Adding upstream version 1.2.2.upstream/1.2.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

31 files changed, 4063 insertions, 0 deletions

diff --git a/library/Graphite/Graphing/Chart.php b/library/Graphite/Graphing/Chart.php
new file mode 100644
index 0000000..ded8ae8
--- /dev/null
+++ b/library/Graphite/Graphing/Chart.php
@@ -0,0 +1,385 @@
+<?php
+
+namespace Icinga\Module\Graphite\Graphing;
+
+use Icinga\Module\Graphite\Util\MacroTemplate;
+use Icinga\Module\Graphite\Web\Widget\GraphImage;
+use Icinga\Web\Response;
+
+class Chart
+{
+    /**
+     * Used to render the chart
+     *
+     * @var GraphiteWebClient
+     */
+    protected $graphiteWebClient;
+
+    /** @var ?string This chart's background color */
+    protected $bgcolor;
+
+    /** @var ?string This chart's foreground color */
+    protected $fgcolor;
+
+    /** @var ?string This chart's major grid line color */
+    protected $majorGridLineColor;
+
+    /** @var ?string This chart's minor grid line color */
+    protected $minorGridLineColor;
+
+    /**
+     * This chart's base
+     *
+     * @var Template
+     */
+    protected $template;
+
+    /**
+     * Target metrics by curve name
+     *
+     * @var string[]
+     */
+    protected $metrics;
+
+    /**
+     * The chart's begin
+     *
+     * @var string
+     */
+    protected $from = '-14400';
+
+    /**
+     * The chart's end
+     *
+     * @var string
+     */
+    protected $until;
+
+    /**
+     * The chart's width
+     *
+     * @var int
+     */
+    protected $width = 350;
+
+    /**
+     * The chart's height
+     *
+     * @var int
+     */
+    protected $height = 200;
+
+    /**
+     * Whether to show the chart's legend
+     *
+     * @var bool
+     */
+    protected $showLegend = true;
+
+    /**
+     * Constructor
+     *
+     * @param   GraphiteWebClient   $graphiteWebClient  Used to render the chart
+     * @param   Template            $template           This chart's base
+     * @param   string[]            $metrics            Target metrics by curve name
+     */
+    public function __construct(GraphiteWebClient $graphiteWebClient, Template $template, array $metrics)
+    {
+        $this->graphiteWebClient = $graphiteWebClient;
+        $this->template = $template;
+        $this->metrics = $metrics;
+    }
+
+    /**
+     * Let Graphite Web render this chart and serve the result immediately to the user agent (via the given response)
+     *
+     * Does not return.
+     *
+     * @param   Response    $response
+     */
+    public function serveImage(Response $response)
+    {
+        $image = new GraphImage($this);
+
+        // Errors should occur now or not at all
+        $image->render();
+
+        $response
+            ->setHeader('Content-Type', 'image/png', true)
+            ->setHeader('Content-Disposition', 'inline; filename="graph.png"', true)
+            ->setHeader('Cache-Control', null, true)
+            ->setHeader('Expires', null, true)
+            ->setHeader('Pragma', null, true)
+            ->setBody($image)
+            ->sendResponse();
+
+        exit;
+    }
+
+    /**
+     * Extract the values of the template's metrics filters' variables from the target metrics
+     *
+     * @return string[]
+     */
+    public function getMetricVariables()
+    {
+        /** @var MacroTemplate[][] $curves */
+        $curves = $this->template->getFullCurves();
+        $variables = [];
+
+        foreach ($this->metrics as $curveName => $metric) {
+            $vars = $curves[$curveName][0]->reverseResolve($metric);
+            if ($vars !== false) {
+                $variables = array_merge($variables, $vars);
+            }
+        }
+
+        return $variables;
+    }
+
+    /**
+     * Get Graphite Web client
+     *
+     * @return GraphiteWebClient
+     */
+    public function getGraphiteWebClient()
+    {
+        return $this->graphiteWebClient;
+    }
+
+    /**
+     * Get this chart's background color
+     *
+     * @return string|null
+     */
+    public function getBackgroundColor(): ?string
+    {
+        return $this->bgcolor;
+    }
+
+    /**
+     * Set this chart's background color
+     *
+     * @param string|null $color
+     *
+     * @return $this
+     */
+    public function setBackgroundColor(?string $color): self
+    {
+        $this->bgcolor = $color;
+
+        return $this;
+    }
+
+    /**
+     * Get this chart's foreground color
+     *
+     * @return string|null
+     */
+    public function getForegroundColor(): ?string
+    {
+        return $this->fgcolor;
+    }
+
+    /**
+     * Set this chart's foreground color
+     *
+     * @param string|null $color
+     *
+     * @return $this
+     */
+    public function setForegroundColor(?string $color): self
+    {
+        $this->fgcolor = $color;
+
+        return $this;
+    }
+
+    /**
+     * Get this graph's major grid line color
+     *
+     * @return string|null
+     */
+    public function getMajorGridLineColor(): ?string
+    {
+        return $this->majorGridLineColor;
+    }
+
+    /**
+     * Set this graph's major grid line color
+     *
+     * @param string|null $color
+     *
+     * @return $this
+     */
+    public function setMajorGridLineColor(?string $color): self
+    {
+        $this->majorGridLineColor = $color;
+
+        return $this;
+    }
+
+    /**
+     * Get this graph's minor grid line color
+     *
+     * @return string|null
+     */
+    public function getMinorGridLineColor(): ?string
+    {
+        return $this->minorGridLineColor;
+    }
+
+    /**
+     * Set this graph's minor grid line color
+     *
+     * @param string|null $color
+     *
+     * @return $this
+     */
+    public function setMinorGridLineColor(?string $color): self
+    {
+        $this->minorGridLineColor = $color;
+
+        return $this;
+    }
+
+    /**
+     * Get template
+     *
+     * @return Template
+     */
+    public function getTemplate()
+    {
+        return $this->template;
+    }
+
+    /**
+     * Get metrics
+     *
+     * @return string[]
+     */
+    public function getMetrics()
+    {
+        return $this->metrics;
+    }
+
+    /**
+     * Get begin
+     *
+     * @return string
+     */
+    public function getFrom()
+    {
+        return $this->from;
+    }
+
+    /**
+     * Set begin
+     *
+     * @param string $from
+     *
+     * @return $this
+     */
+    public function setFrom($from)
+    {
+        $this->from = $from;
+
+        return $this;
+    }
+
+    /**
+     * Get end
+     *
+     * @return string
+     */
+    public function getUntil()
+    {
+        return $this->until;
+    }
+
+    /**
+     * Set end
+     *
+     * @param string $until
+     *
+     * @return $this
+     */
+    public function setUntil($until)
+    {
+        $this->until = $until;
+
+        return $this;
+    }
+
+    /**
+     * Get width
+     *
+     * @return int
+     */
+    public function getWidth()
+    {
+        return $this->width;
+    }
+
+    /**
+     * Set width
+     *
+     * @param int $width
+     *
+     * @return $this
+     */
+    public function setWidth($width)
+    {
+        $this->width = $width;
+
+        return $this;
+    }
+
+    /**
+     * Get height
+     *
+     * @return int
+     */
+    public function getHeight()
+    {
+        return $this->height;
+    }
+
+    /**
+     * Set height
+     *
+     * @param int $height
+     *
+     * @return $this
+     */
+    public function setHeight($height)
+    {
+        $this->height = $height;
+
+        return $this;
+    }
+
+    /**
+     * Get whether to show the chart's legend
+     *
+     * @return bool
+     */
+    public function getShowLegend()
+    {
+        return $this->showLegend;
+    }
+
+    /**
+     * Set whether to show the chart's legend
+     *
+     * @param bool $showLegend
+     *
+     * @return $this
+     */
+    public function setShowLegend($showLegend)
+    {
+        $this->showLegend = $showLegend;
+
+        return $this;
+    }
+}
diff --git a/library/Graphite/Graphing/GraphingTrait.php b/library/Graphite/Graphing/GraphingTrait.php
new file mode 100644
index 0000000..e32a52a
--- /dev/null
+++ b/library/Graphite/Graphing/GraphingTrait.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace Icinga\Module\Graphite\Graphing;
+
+use Icinga\Application\Config;
+use Icinga\Application\Icinga;
+use Icinga\Exception\ConfigurationError;
+use Icinga\Module\Graphite\Web\FakeSchemeRequest;
+use Icinga\Web\Url;
+
+trait GraphingTrait
+{
+    /**
+     * All loaded templates
+     *
+     * @var Templates
+     */
+    protected static $allTemplates;
+
+    /**
+     * Metrics data source
+     *
+     * @var MetricsDataSource
+     */
+    protected static $metricsDataSource;
+
+    /**
+     * Load and get all templates
+     *
+     * @return Templates
+     */
+    protected static function getAllTemplates()
+    {
+        if (static::$allTemplates === null) {
+            $allTemplates = (new Templates())->loadDir(
+                Icinga::app()
+                    ->getModuleManager()
+                    ->getModule('graphite')
+                    ->getBaseDir() . DIRECTORY_SEPARATOR . 'templates'
+            );
+
+            $path = Config::resolvePath('modules/graphite/templates');
+            if (file_exists($path)) {
+                $allTemplates->loadDir($path);
+            }
+
+            static::$allTemplates = $allTemplates;
+        }
+
+        return static::$allTemplates;
+    }
+
+    /**
+     * Get metrics data source
+     *
+     * @return MetricsDataSource
+     *
+     * @throws ConfigurationError
+     */
+    public static function getMetricsDataSource()
+    {
+        if (static::$metricsDataSource === null) {
+            $config = Config::module('graphite');
+            $graphite = $config->getSection('graphite');
+            if (! isset($graphite->url)) {
+                throw new ConfigurationError('Missing "graphite.url" in "%s"', $config->getConfigFile());
+            }
+
+            static::$metricsDataSource = new MetricsDataSource(
+                (new GraphiteWebClient(Url::fromPath($graphite->url, [], new FakeSchemeRequest())))
+                    ->setUser($graphite->user)
+                    ->setPassword($graphite->password)
+                    ->setInsecure($graphite->insecure)
+            );
+        }
+
+        return static::$metricsDataSource;
+    }
+}
diff --git a/library/Graphite/Graphing/GraphiteWebClient.php b/library/Graphite/Graphing/GraphiteWebClient.php
new file mode 100644
index 0000000..b06b6ce
--- /dev/null
+++ b/library/Graphite/Graphing/GraphiteWebClient.php
@@ -0,0 +1,198 @@
+<?php
+
+namespace Icinga\Module\Graphite\Graphing;
+
+use Icinga\Web\Url;
+use iplx\Http\Client;
+use iplx\Http\ClientInterface;
+use iplx\Http\Request;
+
+/**
+ * HTTP interface to Graphite Web
+ */
+class GraphiteWebClient
+{
+    /**
+     * Base URL of every Graphite Web HTTP request
+     *
+     * @var Url
+     */
+    protected $baseUrl;
+
+    /**
+     * HTTP basic auth user for every Graphite Web HTTP request
+     *
+     * @var string|null
+     */
+    protected $user;
+
+    /**
+     * The above user's password
+     *
+     * @var string|null
+     */
+    protected $password;
+
+    /**
+     * Don't verify the remote's TLS certificate
+     *
+     * @var bool
+     */
+    protected $insecure = false;
+
+    /**
+     * HTTP client
+     *
+     * @var ClientInterface
+     */
+    protected $httpClient;
+
+    /**
+     * Constructor
+     *
+     * @param   Url $baseUrl    Base URL of every Graphite Web HTTP request
+     */
+    public function __construct(Url $baseUrl)
+    {
+        $this->httpClient = new Client();
+
+        $this->setBaseUrl($baseUrl);
+    }
+
+    /**
+     * Send an HTTP request to the configured Graphite Web and return the response's body
+     *
+     * @param   Url         $url
+     * @param   string      $method
+     * @param   string[]    $headers
+     * @param   string      $body
+     *
+     * @return  string
+     */
+    public function request(Url $url, $method = 'GET', array $headers = [], $body = null)
+    {
+        $headers['User-Agent'] = 'icingaweb2-module-graphite';
+        if ($this->user !== null) {
+            $headers['Authorization'] = 'Basic ' . base64_encode("{$this->user}:{$this->password}");
+        }
+
+        // TODO(ak): keep connections alive (TCP handshakes are a bit expensive and TLS handshakes are very expensive)
+        return (string) $this->httpClient->send(
+            new Request($method, $this->completeUrl($url)->getAbsoluteUrl(), $headers, $body),
+            ['curl' => [
+                CURLOPT_SSL_VERIFYPEER => ! $this->insecure
+            ]]
+        )->getBody();
+    }
+
+    /**
+     * Complete the given relative URL according to the base URL
+     *
+     * @param   Url $url
+     *
+     * @return  Url
+     */
+    public function completeUrl(Url $url)
+    {
+        $completeUrl = clone $this->baseUrl;
+        return $completeUrl
+            ->setPath(ltrim(rtrim($completeUrl->getPath(), '/') . '/' . ltrim($url->getPath(), '/'), '/'))
+            ->setParams($url->getParams());
+    }
+
+    /**
+     * Get the base URL of every Graphite Web HTTP request
+     *
+     * @return Url
+     */
+    public function getBaseUrl()
+    {
+        return $this->baseUrl;
+    }
+
+    /**
+     * Set the base URL of every Graphite Web HTTP request
+     *
+     * @param Url $baseUrl
+     *
+     * @return $this
+     */
+    public function setBaseUrl(Url $baseUrl)
+    {
+        $this->baseUrl = $baseUrl;
+
+        return $this;
+    }
+
+    /**
+     * Get the HTTP basic auth user
+     *
+     * @return null|string
+     */
+    public function getUser()
+    {
+        return $this->user;
+    }
+
+    /**
+     * Set the HTTP basic auth user
+     *
+     * @param null|string $user
+     *
+     * @return $this
+     */
+    public function setUser($user)
+    {
+        $this->user = $user;
+
+        return $this;
+    }
+
+    /**
+     * Get the HTTP basic auth password
+     *
+     * @return null|string
+     */
+    public function getPassword()
+    {
+        return $this->password;
+    }
+
+    /**
+     * Set the HTTP basic auth password
+     *
+     * @param null|string $password
+     *
+     * @return $this
+     */
+    public function setPassword($password)
+    {
+        $this->password = $password;
+
+        return $this;
+    }
+
+    /**
+     * Get whether not to verify the remote's TLS certificate
+     *
+     * @return bool
+     */
+    public function getInsecure()
+    {
+        return $this->insecure;
+    }
+
+    /**
+     * Set whether not to verify the remote's TLS certificate
+     *
+     * @param bool $insecure
+     *
+     * @return $this
+     */
+    public function setInsecure($insecure = true)
+    {
+        $this->insecure = $insecure;
+
+        return $this;
+    }
+}
diff --git a/library/Graphite/Graphing/MetricsDataSource.php b/library/Graphite/Graphing/MetricsDataSource.php
new file mode 100644
index 0000000..19787da
--- /dev/null
+++ b/library/Graphite/Graphing/MetricsDataSource.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace Icinga\Module\Graphite\Graphing;
+
+use Icinga\Data\Selectable;
+
+/**
+ * Provides an interface to Graphite Web's metrics list
+ */
+class MetricsDataSource implements Selectable
+{
+    /**
+     * HTTP interface to Graphite Web
+     *
+     * @var GraphiteWebClient
+     */
+    private $client;
+
+    /**
+     * Constructor
+     *
+     * @param   GraphiteWebClient   $client HTTP interface to Graphite Web
+     */
+    public function __construct(GraphiteWebClient $client)
+    {
+        $this->client = $client;
+    }
+
+    /**
+     * Initiate a new query
+     *
+     * @return MetricsQuery
+     */
+    public function select()
+    {
+        return new MetricsQuery($this);
+    }
+
+    /**
+     * Get the client passed to the constructor
+     *
+     * @return GraphiteWebClient
+     */
+    public function getClient()
+    {
+        return $this->client;
+    }
+}
diff --git a/library/Graphite/Graphing/MetricsQuery.php b/library/Graphite/Graphing/MetricsQuery.php
new file mode 100644
index 0000000..da05c17
--- /dev/null
+++ b/library/Graphite/Graphing/MetricsQuery.php
@@ -0,0 +1,219 @@
+<?php
+
+namespace Icinga\Module\Graphite\Graphing;
+
+use Icinga\Data\Fetchable;
+use Icinga\Data\Filter\Filter;
+use Icinga\Data\Filterable;
+use Icinga\Data\Queryable;
+use Icinga\Exception\NotImplementedError;
+use Icinga\Module\Graphite\GraphiteUtil;
+use Icinga\Module\Graphite\Util\IcingadbUtils;
+use Icinga\Module\Graphite\Util\MacroTemplate;
+use Icinga\Module\Graphite\Util\InternalProcessTracker as IPT;
+use Icinga\Module\Icingadb\Compat\UrlMigrator;
+use Icinga\Module\Icingadb\Model\Host;
+use Icinga\Module\Monitoring\Object\Macro;
+use Icinga\Module\Monitoring\Object\MonitoredObject;
+use Icinga\Util\Json;
+use Icinga\Web\Url;
+use InvalidArgumentException;
+use ipl\Orm\Model;
+use ipl\Stdlib\Filter as IplFilter;
+
+/**
+ * Queries a {@link MetricsDataSource}
+ */
+class MetricsQuery implements Queryable, Filterable, Fetchable
+{
+    /**
+     * @var MetricsDataSource
+     */
+    protected $dataSource;
+
+    /**
+     * The base metrics pattern
+     *
+     * @var MacroTemplate
+     */
+    protected $base;
+
+    /**
+     * Extension of {@link base}
+     *
+     * @var string[]
+     */
+    protected $filter = [];
+
+    /**
+     * The object to render the graphs for
+     *
+     * @var MonitoredObject|Model
+     */
+    protected $object;
+
+    /**
+     * Constructor
+     *
+     * @param   MetricsDataSource   $dataSource
+     */
+    public function __construct(MetricsDataSource $dataSource)
+    {
+        $this->dataSource = $dataSource;
+    }
+
+    public function from($target, array $fields = null)
+    {
+        if ($fields !== null) {
+            throw new InvalidArgumentException('Fields are not applicable to this kind of query');
+        }
+
+        try {
+            $this->base = $target instanceof MacroTemplate ? $target : new MacroTemplate((string) $target);
+        } catch (InvalidArgumentException $e) {
+            throw new InvalidArgumentException('Bad target', $e);
+        }
+
+        return $this;
+    }
+
+    public function applyFilter(Filter $filter)
+    {
+        throw new NotImplementedError(__METHOD__);
+    }
+
+    public function setFilter(Filter $filter)
+    {
+        throw new NotImplementedError(__METHOD__);
+    }
+
+    public function getFilter()
+    {
+        throw new NotImplementedError(__METHOD__);
+    }
+
+    public function addFilter(Filter $filter)
+    {
+        throw new NotImplementedError(__METHOD__);
+    }
+
+    public function where($condition, $value = null)
+    {
+        $this->filter[$condition] = $this->escapeMetricStep($value);
+
+        return $this;
+    }
+
+    public function fetchAll()
+    {
+        $result = [];
+        foreach ($this->fetchColumn() as $metric) {
+            $result[] = (object) ['metric' => $metric];
+        }
+
+        return $result;
+    }
+
+    public function fetchRow()
+    {
+        $result = $this->fetchColumn();
+        return empty($result) ? false : (object) ['metric' => $result[0]];
+    }
+
+    public function fetchColumn()
+    {
+        $filter = [];
+        foreach ($this->base->getMacros() as $macro) {
+            if (isset($this->filter[$macro])) {
+                $filter[$macro] = $this->filter[$macro];
+                continue;
+            }
+
+            if (strpos($macro, '.') === false) {
+                continue;
+            }
+
+            $workaroundMacro = str_replace('.', '_', $macro);
+            if ($this->object instanceof Model) {
+                // icingadb macro
+                $tranformFilter = UrlMigrator::transformFilter(
+                    IplFilter::equal($workaroundMacro, ''),
+                    $this->object instanceof Host ? 'hosts' : 'services'
+                );
+
+                if ($tranformFilter === false) {
+                    continue;
+                }
+
+                $migratedMacro = $tranformFilter->getColumn();
+
+                if ($migratedMacro === $workaroundMacro) {
+                    $workaroundMacro = $macro;
+                } else {
+                    $workaroundMacro = $migratedMacro;
+                }
+
+                $icingadbMacros = IcingadbUtils::getInstance();
+                $result = $icingadbMacros->resolveMacro($workaroundMacro, $this->object);
+            } else {
+                if ($workaroundMacro === 'service_name') {
+                    $workaroundMacro = 'service_description';
+                }
+
+                $result = Macro::resolveMacro($workaroundMacro, $this->object);
+            }
+
+            if ($result !== $workaroundMacro) {
+                $filter[$macro] = $this->escapeMetricStep($result);
+            }
+        }
+
+        $client = $this->dataSource->getClient();
+        $url = Url::fromPath('metrics/expand', [
+            'query' => $this->base->resolve($filter, '*')
+        ]);
+        $res = Json::decode($client->request($url));
+        natsort($res->results);
+
+        IPT::recordf('Fetched %s metric(s) from %s', count($res->results), (string) $client->completeUrl($url));
+
+        return array_values($res->results);
+    }
+
+    public function fetchOne()
+    {
+        $result = $this->fetchColumn();
+        return empty($result) ? false : $result[0];
+    }
+
+    public function fetchPairs()
+    {
+        throw new NotImplementedError(__METHOD__);
+    }
+
+    /**
+     * Set the object to render the graphs for
+     *
+     * @param MonitoredObject|Model $object
+     *
+     * @return $this
+     */
+    public function setObject($object)
+    {
+        $this->object = $object;
+
+        return $this;
+    }
+
+    /**
+     * Escapes a string for usage in a Graphite metric path between two dots
+     *
+     * @param   string  $step
+     *
+     * @return  string
+     */
+    protected function escapeMetricStep($step)
+    {
+        return preg_replace('/[^a-zA-Z0-9\*\-:^[\]$#%\']/', '_', $step);
+    }
+}
diff --git a/library/Graphite/Graphing/Template.php b/library/Graphite/Graphing/Template.php
new file mode 100644
index 0000000..a030fb7
--- /dev/null
+++ b/library/Graphite/Graphing/Template.php
@@ -0,0 +1,364 @@
+<?php
+
+namespace Icinga\Module\Graphite\Graphing;
+
+use Icinga\Application\Config;
+use Icinga\Exception\ConfigurationError;
+use Icinga\Module\Graphite\Util\MacroTemplate;
+use Icinga\Module\Graphite\Util\InternalProcessTracker as IPT;
+use Icinga\Module\Monitoring\Object\MonitoredObject;
+use InvalidArgumentException;
+use ipl\Orm\Model;
+
+class Template
+{
+    /**
+     * The configured icinga.graphite_writer_host_name_template
+     *
+     * @var MacroTemplate
+     */
+    protected static $hostNameTemplate;
+
+    /**
+     * The configured icinga.graphite_writer_service_name_template
+     *
+     * @var MacroTemplate
+     */
+    protected static $serviceNameTemplate;
+
+    /**
+     * All curves to show in a chart by name with Graphite Web metric filters and Graphite functions
+     *
+     * [$curve => [$metricFilter, $function], ...]
+     *
+     * @var MacroTemplate[][]
+     */
+    protected $curves = [];
+
+    /**
+     * All curves to show in a chart by name with full Graphite Web metric filters and Graphite functions
+     *
+     * [$curve => [$metricFilter, $function], ...]
+     *
+     * @var MacroTemplate[][]
+     */
+    protected $fullCurves;
+
+    /**
+     * Additional URL parameters for rendering via Graphite Web
+     *
+     * [$key => $value, ...]
+     *
+     * @var MacroTemplate[]
+     */
+    protected $urlParams = [];
+
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+    }
+
+    /**
+     * Get all charts based on this template and applicable to the metrics
+     * from the given data source restricted by the given filter
+     *
+     * @param   MetricsDataSource       $dataSource
+     * @param   MonitoredObject|Model   $object    The object to render the graphs for
+     * @param   string[]                $filter
+     * @param   MacroTemplate[]         $excludeMetrics
+     *
+     * @return  Chart[]
+     */
+    public function getCharts(
+        MetricsDataSource $dataSource,
+        $object,
+        array $filter,
+        array &$excludeMetrics = []
+    ) {
+        $metrics = [];
+        $metricsUsed = 0;
+        $metricsExcluded = 0;
+
+        foreach ($this->getFullCurves() as $curveName => $curve) {
+            $fullMetricTemplate = $curve[0];
+
+            $query = $dataSource->select()->setObject($object)->from($fullMetricTemplate);
+
+            foreach ($filter as $key => $value) {
+                $query->where($key, $value);
+            }
+
+            foreach ($query->fetchColumn() as $metric) {
+                foreach ($excludeMetrics as $excludeMetric) {
+                    if ($excludeMetric->reverseResolve($metric) !== false) {
+                        ++$metricsExcluded;
+                        continue 2;
+                    }
+                }
+
+                $vars = $curve[0]->reverseResolve($metric);
+                if ($vars !== false) {
+                    $metrics[$curveName][$metric] = $vars;
+                    ++$metricsUsed;
+                }
+            }
+        }
+
+        switch (count($metrics)) {
+            case 0:
+                $metricsCombinations = [];
+                break;
+
+            case 1:
+                $metricsCombinations = [];
+
+                foreach ($metrics as $curveName => & $curveMetrics) {
+                    foreach ($curveMetrics as $metric => & $_) {
+                        $metricsCombinations[] = [$curveName => $metric];
+                    }
+                    unset($_);
+                }
+                unset($curveMetrics);
+
+                break;
+
+            default:
+                $possibleCombinations = [];
+                $handledCurves = [];
+                foreach ($metrics as $curveName1 => & $metrics1) {
+                    $handledCurves[$curveName1] = true;
+
+                    foreach ($metrics as $curveName2 => & $metrics2) {
+                        if (! isset($handledCurves[$curveName2])) {
+                            foreach ($metrics1 as $metric1 => & $vars1) {
+                                foreach ($metrics2 as $metric2 => & $vars2) {
+                                    if (
+                                        count(array_intersect_assoc($vars1, $vars2))
+                                        === count(array_intersect_key($vars1, $vars2))
+                                    ) {
+                                        $possibleCombinations[$curveName1][$curveName2][$metric1][$metric2] = true;
+                                    }
+                                }
+                                unset($vars2);
+                            }
+                            unset($vars1);
+                        }
+                    }
+                    unset($metrics2);
+                }
+                unset($metrics1);
+
+                $metricsCombinations = [];
+                $this->combineMetrics($metrics, $possibleCombinations, $metricsCombinations);
+        }
+
+        $charts = [];
+        foreach ($metricsCombinations as $metricsCombination) {
+            $charts[] = new Chart($dataSource->getClient(), $this, $metricsCombination);
+        }
+
+        IPT::recordf('Excluded %s metric(s)', $metricsExcluded);
+        IPT::recordf('Combined %s metric(s) to %s chart(s)', $metricsUsed, count($charts));
+
+        return $charts;
+    }
+
+    /**
+     * Fill the given metrics combinations from the given metrics as restricted by the given possible combinations
+     *
+     * @param   string[][][]    $metrics
+     * @param   bool[][][][]    $possibleCombinations
+     * @param   string[][]      $metricsCombinations
+     * @param   string[]        $currentCombination
+     */
+    protected function combineMetrics(
+        array &$metrics,
+        array &$possibleCombinations,
+        array &$metricsCombinations,
+        array $currentCombination = []
+    ) {
+        if (empty($currentCombination)) {
+            foreach ($metrics as $curveName => & $curveMetrics) {
+                foreach ($curveMetrics as $metric => & $_) {
+                    $this->combineMetrics(
+                        $metrics,
+                        $possibleCombinations,
+                        $metricsCombinations,
+                        [$curveName => $metric]
+                    );
+                }
+                unset($_);
+
+                break;
+            }
+            unset($curveMetrics);
+        } elseif (count($currentCombination) === count($metrics)) {
+            $metricsCombinations[] = $currentCombination;
+        } else {
+            foreach ($metrics as $nextCurveName => & $_) {
+                if (! isset($currentCombination[$nextCurveName])) {
+                    break;
+                }
+            }
+            unset($_);
+
+            $allowedNextCurveMetricsPerCurrentCurveName = [];
+            foreach ($currentCombination as $currentCurveName => $currentCurveMetric) {
+                $allowedNextCurveMetricsPerCurrentCurveName[$currentCurveName]
+                    = $possibleCombinations[$currentCurveName][$nextCurveName][$currentCurveMetric];
+            }
+
+            $allowedNextCurveMetrics = $allowedNextCurveMetricsPerCurrentCurveName[$currentCurveName];
+            unset($allowedNextCurveMetricsPerCurrentCurveName[$currentCurveName]);
+
+            foreach ($allowedNextCurveMetricsPerCurrentCurveName as & $allowedMetrics) {
+                $allowedNextCurveMetrics = array_intersect_key($allowedNextCurveMetrics, $allowedMetrics);
+            }
+            unset($allowedMetrics);
+
+            foreach ($allowedNextCurveMetrics as $allowedNextCurveMetric => $_) {
+                $nextCombination = $currentCombination;
+                $nextCombination[$nextCurveName] = $allowedNextCurveMetric;
+
+                $this->combineMetrics($metrics, $possibleCombinations, $metricsCombinations, $nextCombination);
+            }
+        }
+    }
+
+    /**
+     * Get curves to show in a chart by name with Graphite Web metric filters and Graphite functions
+     *
+     * @return MacroTemplate[][]
+     */
+    public function getCurves()
+    {
+        return $this->curves;
+    }
+
+    /**
+     * Get curves to show in a chart by name with full Graphite Web metric filters and Graphite functions
+     *
+     * @return MacroTemplate[][]
+     */
+    public function getFullCurves()
+    {
+        if ($this->fullCurves === null) {
+            $curves = $this->curves;
+
+            foreach ($curves as &$curve) {
+                $curve[0] = new MacroTemplate($curve[0]->resolve([
+                    'host_name_template'    => static::getHostNameTemplate(),
+                    'service_name_template' => static::getServiceNameTemplate(),
+                    ''                      => '$$'
+                ]));
+            }
+            unset($curve);
+
+            $this->fullCurves = $curves;
+        }
+
+        return $this->fullCurves;
+    }
+
+    /**
+     * Set curves to show in a chart by name with Graphite Web metric filters and Graphite functions
+     *
+     * @param MacroTemplate[][] $curves
+     *
+     * @return $this
+     */
+    public function setCurves(array $curves)
+    {
+        $this->curves = $curves;
+
+        return $this;
+    }
+
+    /**
+     * Get additional URL parameters for Graphite Web
+     *
+     * @return MacroTemplate[]
+     */
+    public function getUrlParams()
+    {
+        return $this->urlParams;
+    }
+
+    /**
+     * Set additional URL parameters for Graphite Web
+     *
+     * @param MacroTemplate[]  $urlParams
+     *
+     * @return $this
+     */
+    public function setUrlParams(array $urlParams)
+    {
+        $this->urlParams = $urlParams;
+
+        return $this;
+    }
+
+    /**
+     * Get {@link hostNameTemplate}
+     *
+     * @return MacroTemplate
+     *
+     * @throws  ConfigurationError  If the configuration is invalid
+     */
+    protected static function getHostNameTemplate()
+    {
+        if (static::$hostNameTemplate === null) {
+            $config = Config::module('graphite');
+            $template = $config->get(
+                'icinga',
+                'graphite_writer_host_name_template',
+                'icinga2.$host.name$.host.$host.check_command$'
+            );
+
+            try {
+                static::$hostNameTemplate = new MacroTemplate($template);
+            } catch (InvalidArgumentException $e) {
+                throw new ConfigurationError(
+                    'Bad icinga.graphite_writer_host_name_template in "%s": %s',
+                    $config->getConfigFile(),
+                    $e->getMessage()
+                );
+            }
+        }
+
+        return static::$hostNameTemplate;
+    }
+
+    /**
+     * Get {@link serviceNameTemplate}
+     *
+     * @return MacroTemplate
+     *
+     * @throws  ConfigurationError  If the configuration is invalid
+     */
+    protected static function getServiceNameTemplate()
+    {
+        if (static::$serviceNameTemplate === null) {
+            $config = Config::module('graphite');
+            $template = $config->get(
+                'icinga',
+                'graphite_writer_service_name_template',
+                'icinga2.$host.name$.services.$service.name$.$service.check_command$'
+            );
+
+            try {
+                static::$serviceNameTemplate = new MacroTemplate($template);
+            } catch (InvalidArgumentException $e) {
+                throw new ConfigurationError(
+                    'Bad icinga.graphite_writer_service_name_template in "%s": %s',
+                    $config->getConfigFile(),
+                    $e->getMessage()
+                );
+            }
+        }
+
+        return static::$serviceNameTemplate;
+    }
+}
diff --git a/library/Graphite/Graphing/Templates.php b/library/Graphite/Graphing/Templates.php
new file mode 100644
index 0000000..0765e46
--- /dev/null
+++ b/library/Graphite/Graphing/Templates.php
@@ -0,0 +1,321 @@
+<?php
+
+namespace Icinga\Module\Graphite\Graphing;
+
+use Icinga\Application\Config;
+use Icinga\Data\ConfigObject;
+use Icinga\Exception\ConfigurationError;
+use Icinga\Module\Graphite\Util\MacroTemplate;
+use Icinga\Web\UrlParams;
+use InvalidArgumentException;
+use RecursiveDirectoryIterator;
+use RecursiveIteratorIterator;
+use SplFileInfo;
+
+/**
+ * Templates collection
+ */
+class Templates
+{
+    /**
+     * All templates by their check command and name
+     *
+     * @var Template[][]
+     */
+    protected $templates = [];
+
+    /**
+     * All default templates by their name
+     *
+     * @var Template[]
+     */
+    protected $defaultTemplates = [];
+
+    /**
+     * Default URL params for all templates
+     *
+     * @var string[]
+     */
+    protected $defaultUrlParams = [];
+
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        $config = Config::module('graphite');
+
+        foreach ($config->getSection('default_url_params') as $param => $value) {
+            try {
+                $this->defaultUrlParams[$param] = new MacroTemplate($value);
+            } catch (InvalidArgumentException $e) {
+                throw new ConfigurationError(
+                    'Invalid URL parameter "%s" ("%s") in file "%s"',
+                    $param,
+                    $value,
+                    $config->getConfigFile(),
+                    $e
+                );
+            }
+        }
+    }
+
+    /**
+     * Load templates as configured inside the given directory
+     *
+     * @param   string  $path
+     *
+     * @return  $this
+     *
+     * @throws  ConfigurationError  If the configuration is invalid
+     */
+    public function loadDir($path)
+    {
+        foreach (
+            new RecursiveIteratorIterator(
+                new RecursiveDirectoryIterator(
+                    $path,
+                    RecursiveDirectoryIterator::KEY_AS_PATHNAME | RecursiveDirectoryIterator::CURRENT_AS_FILEINFO
+                    | RecursiveDirectoryIterator::SKIP_DOTS | RecursiveDirectoryIterator::FOLLOW_SYMLINKS
+                ),
+                RecursiveIteratorIterator::LEAVES_ONLY
+            ) as $filepath => $fileinfo
+        ) {
+            /** @var SplFileInfo $fileinfo */
+
+            if ($fileinfo->isFile() && preg_match('/\A[^.].*\.ini\z/si', $fileinfo->getFilename())) {
+                $this->loadIni($filepath);
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Load templates as configured in the given INI file
+     *
+     * @param   string  $path
+     *
+     * @return  $this
+     *
+     * @throws  ConfigurationError  If the configuration is invalid
+     */
+    public function loadIni($path)
+    {
+        /** @var string[][][] $templates */
+        $templates = [];
+
+        foreach (Config::fromIni($path) as $section => $options) {
+            /** @var ConfigObject $options */
+
+            $matches = [];
+            if (! preg_match('/\A(.+)\.(graph|metrics_filters|urlparams|functions)\z/', $section, $matches)) {
+                throw new ConfigurationError('Bad section name "%s" in file "%s"', $section, $path);
+            }
+
+            $templates[$matches[1]][$matches[2]] = $options->toArray();
+        }
+
+        $checkCommands = [];
+
+        foreach ($templates as $templateName => $template) {
+            $checkCommands[$templateName] = isset($template['graph']['check_command'])
+                ? array_unique(preg_split('/\s*,\s*/', $template['graph']['check_command'], -1, PREG_SPLIT_NO_EMPTY))
+                : [];
+            unset($template['graph']['check_command']);
+
+            if (isset($template['graph'])) {
+                switch (count($template['graph'])) {
+                    case 0:
+                        break;
+
+                    case 1:
+                        throw new ConfigurationError(
+                            'Bad option for template "%s" in file "%s": "graph.%s"',
+                            $templateName,
+                            $path,
+                            array_keys($template['graph'])[0]
+                        );
+
+                    default:
+                        $standalone = array_keys($template['graph']);
+                        sort($standalone);
+
+                        throw new ConfigurationError(
+                            'Bad options for template "%s" in file "%s": %s',
+                            $templateName,
+                            $path,
+                            implode(', ', array_map(
+                                function ($option) {
+                                    return "\"graph.$option\"";
+                                },
+                                $standalone
+                            ))
+                        );
+                }
+            }
+
+            /** @var MacroTemplate[][] $curves */
+            $curves = [];
+
+            if (isset($template['metrics_filters'])) {
+                foreach ($template['metrics_filters'] as $curve => $metricsFilter) {
+                    try {
+                        $curves[$curve][0] = new MacroTemplate($metricsFilter);
+                    } catch (InvalidArgumentException $e) {
+                        throw new ConfigurationError(
+                            'Bad metrics filter "%s" for curve "%s" of template "%s" in file "%s": %s',
+                            $metricsFilter,
+                            $curve,
+                            $templateName,
+                            $path,
+                            $e->getMessage()
+                        );
+                    }
+
+                    if (
+                        count(array_intersect(
+                            $curves[$curve][0]->getMacros(),
+                            ['host_name_template', 'service_name_template']
+                        )) !== 1
+                    ) {
+                        throw new ConfigurationError(
+                            'Bad metrics filter "%s" for curve "%s" of template "%s" in file "%s": must include'
+                            . ' either the macro $host_name_template$ or $service_name_template$, but not both',
+                            $metricsFilter,
+                            $curve,
+                            $templateName,
+                            $path
+                        );
+                    }
+
+                    if (isset($template['functions'][$curve])) {
+                        try {
+                            $curves[$curve][1] = new MacroTemplate($template['functions'][$curve]);
+                        } catch (InvalidArgumentException $e) {
+                            throw new ConfigurationError(
+                                'Bad function "%s" for curve "%s" of template "%s" in file "%s": %s',
+                                $template['functions'][$curve],
+                                $curve,
+                                $templateName,
+                                $path,
+                                $e->getMessage()
+                            );
+                        }
+
+                        unset($template['functions'][$curve]);
+                    } else {
+                        $curves[$curve][1] = new MacroTemplate('$metric$');
+                    }
+                }
+            }
+
+            if (isset($template['functions'])) {
+                switch (count($template['functions'])) {
+                    case 0:
+                        break;
+
+                    case 1:
+                        throw new ConfigurationError(
+                            'Metrics filter for curve "%s" of template "%s" in file "%s" missing',
+                            array_keys($template['functions'])[0],
+                            $templateName,
+                            $path
+                        );
+
+                    default:
+                        $standalone = array_keys($template['functions']);
+                        sort($standalone);
+
+                        throw new ConfigurationError(
+                            'Metrics filter for curves of template "%s" in file "%s" missing: "%s"',
+                            $templateName,
+                            $path,
+                            implode('", "', $standalone)
+                        );
+                }
+            }
+
+            $urlParams = $this->defaultUrlParams;
+
+            if (isset($template['urlparams'])) {
+                foreach ($template['urlparams'] as $key => $value) {
+                    try {
+                        $urlParams[$key] = new MacroTemplate($value);
+                    } catch (InvalidArgumentException $e) {
+                        throw new ConfigurationError(
+                            'Invalid URL parameter "%s" ("%s") for template "%s" in file "%s": %s',
+                            $key,
+                            $value,
+                            $templateName,
+                            $path,
+                            $e->getMessage()
+                        );
+                    }
+                }
+            }
+
+            $templates[$templateName] = empty($curves) ? null : (new Template())
+                ->setCurves($curves)
+                ->setUrlParams($urlParams);
+        }
+
+        foreach ($templates as $templateName => $template) {
+            if ($template === null) {
+                if (empty($checkCommands[$templateName])) {
+                    unset($this->defaultTemplates[$templateName]);
+                } else {
+                    foreach ($checkCommands[$templateName] as $checkCommand) {
+                        unset($this->templates[$checkCommand][$templateName]);
+
+                        if (empty($this->templates[$checkCommand])) {
+                            unset($this->templates[$checkCommand]);
+                        }
+                    }
+                }
+            } else {
+                if (empty($checkCommands[$templateName])) {
+                    $this->defaultTemplates[$templateName] = $template;
+                } else {
+                    foreach ($checkCommands[$templateName] as $checkCommand) {
+                        $this->templates[$checkCommand][$templateName] = $template;
+                    }
+                }
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get all loaded templates for the given check command by their names
+     *
+     * @param   string  $checkCommand
+     *
+     * @return  Template[]
+     */
+    public function getTemplates($checkCommand)
+    {
+        return isset($this->templates[$checkCommand]) ? $this->templates[$checkCommand] : [];
+    }
+
+    /**
+     * Get all loaded templates for all check commands
+     *
+     * @return  Template[][]
+     */
+    public function getAllTemplates()
+    {
+        return $this->templates;
+    }
+
+    /**
+     * Get all loaded default templates by their names
+     *
+     * @return  Template[]
+     */
+    public function getDefaultTemplates()
+    {
+        return $this->defaultTemplates;
+    }
+}
diff --git a/library/Graphite/ProvidedHook/Icingadb/HostDetailExtension.php b/library/Graphite/ProvidedHook/Icingadb/HostDetailExtension.php
new file mode 100644
index 0000000..31e4e6c
--- /dev/null
+++ b/library/Graphite/ProvidedHook/Icingadb/HostDetailExtension.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace Icinga\Module\Graphite\ProvidedHook\Icingadb;
+
+use Icinga\Application\Icinga;
+use Icinga\Module\Graphite\Util\InternalProcessTracker as IPT;
+use Icinga\Module\Graphite\Web\Controller\TimeRangePickerTrait;
+use Icinga\Module\Graphite\Web\Widget\Graphs;
+use Icinga\Module\Icingadb\Hook\HostDetailExtensionHook;
+use Icinga\Module\Icingadb\Model\Host;
+use ipl\Html\Html;
+use ipl\Html\HtmlString;
+use ipl\Html\ValidHtml;
+
+class HostDetailExtension extends HostDetailExtensionHook
+{
+    use TimeRangePickerTrait;
+
+    public function getHtmlForObject(Host $host): ValidHtml
+    {
+        if (Icinga::app()->getRequest()->getUrl()->getParam('graph_debug')) {
+            IPT::enable();
+        }
+
+        $graphs = (string) Graphs::forIcingadbObject($host)
+            ->setWidth(440)
+            ->setHeight(220)
+            ->setClasses(['object-detail-view'])
+            ->setPreloadDummy()
+            ->setShowNoGraphsFound(false)
+            ->handleRequest();
+
+        if (! empty($graphs)) {
+            $this->handleTimeRangePickerRequest();
+
+            $header = Html::tag('h2', [], 'Graphs');
+            $timepicker = HtmlString::create($this->renderTimeRangePicker(Icinga::app()->getViewRenderer()->view));
+            $graphColorRegistry = Html::tag('div', ['class' => 'graphite-graph-color-registry']);
+            $graphs = HtmlString::create($graphs);
+
+            return HtmlString::create($header . $timepicker . $graphColorRegistry . $graphs);
+        }
+
+        return HtmlString::create('');
+    }
+}
diff --git a/library/Graphite/ProvidedHook/Icingadb/IcingadbSupport.php b/library/Graphite/ProvidedHook/Icingadb/IcingadbSupport.php
new file mode 100644
index 0000000..8f0f38e
--- /dev/null
+++ b/library/Graphite/ProvidedHook/Icingadb/IcingadbSupport.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Icinga\Module\Graphite\ProvidedHook\Icingadb;
+
+use Icinga\Module\Icingadb\Hook\IcingadbSupportHook;
+
+class IcingadbSupport extends IcingadbSupportHook
+{
+}
diff --git a/library/Graphite/ProvidedHook/Icingadb/ServiceDetailExtension.php b/library/Graphite/ProvidedHook/Icingadb/ServiceDetailExtension.php
new file mode 100644
index 0000000..63c2b79
--- /dev/null
+++ b/library/Graphite/ProvidedHook/Icingadb/ServiceDetailExtension.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace Icinga\Module\Graphite\ProvidedHook\Icingadb;
+
+use Icinga\Application\Icinga;
+use Icinga\Module\Graphite\Util\InternalProcessTracker as IPT;
+use Icinga\Module\Graphite\Web\Controller\TimeRangePickerTrait;
+use Icinga\Module\Graphite\Web\Widget\Graphs;
+use Icinga\Module\Icingadb\Hook\ServiceDetailExtensionHook;
+use Icinga\Module\Icingadb\Model\Service;
+use ipl\Html\Html;
+use ipl\Html\HtmlString;
+use ipl\Html\ValidHtml;
+
+class ServiceDetailExtension extends ServiceDetailExtensionHook
+{
+    use TimeRangePickerTrait;
+
+    public function getHtmlForObject(Service $service): ValidHtml
+    {
+        if (Icinga::app()->getRequest()->getUrl()->getParam('graph_debug')) {
+            IPT::enable();
+        }
+
+        $graphs = (string) Graphs::forIcingadbObject($service)
+            ->setWidth(440)
+            ->setHeight(220)
+            ->setClasses(['object-detail-view'])
+            ->setPreloadDummy()
+            ->setShowNoGraphsFound(false)
+            ->handleRequest();
+
+        if (! empty($graphs)) {
+            $this->handleTimeRangePickerRequest();
+
+            $header = Html::tag('h2', [], 'Graphs');
+            $timepicker = HtmlString::create($this->renderTimeRangePicker(Icinga::app()->getViewRenderer()->view));
+            $graphColorRegistry = Html::tag('div', ['class' => 'graphite-graph-color-registry']);
+            $graphs = HtmlString::create($graphs);
+
+            return HtmlString::create($header . $timepicker . $graphColorRegistry . $graphs);
+        }
+
+        return HtmlString::create('');
+    }
+}
diff --git a/library/Graphite/ProvidedHook/Monitoring/DetailviewExtension.php b/library/Graphite/ProvidedHook/Monitoring/DetailviewExtension.php
new file mode 100644
index 0000000..d6a4673
--- /dev/null
+++ b/library/Graphite/ProvidedHook/Monitoring/DetailviewExtension.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace Icinga\Module\Graphite\ProvidedHook\Monitoring;
+
+use Icinga\Application\Icinga;
+use Icinga\Module\Graphite\Util\InternalProcessTracker as IPT;
+use Icinga\Module\Graphite\Web\Controller\TimeRangePickerTrait;
+use Icinga\Module\Graphite\Web\Widget\Graphs;
+use Icinga\Module\Monitoring\Hook\DetailviewExtensionHook;
+use Icinga\Module\Monitoring\Object\MonitoredObject;
+
+class DetailviewExtension extends DetailviewExtensionHook
+{
+    use TimeRangePickerTrait;
+
+    public function getHtmlForObject(MonitoredObject $object)
+    {
+        if (Icinga::app()->getRequest()->getUrl()->getParam('graph_debug')) {
+            IPT::enable();
+        }
+
+        $graphs = (string) Graphs::forMonitoredObject($object)
+            ->setWidth(440)
+            ->setHeight(220)
+            ->setClasses(['object-detail-view'])
+            ->setPreloadDummy()
+            ->setShowNoGraphsFound(false)
+            ->handleRequest();
+
+        if ($graphs !== '') {
+            $this->handleTimeRangePickerRequest();
+            return '<h2>' . mt('graphite', 'Graphs') . '</h2>'
+                . $this->renderTimeRangePicker($this->getView())
+                . '<div class="graphite-graph-color-registry"></div>'
+                . $graphs;
+        }
+
+        return '';
+    }
+}
diff --git a/library/Graphite/Util/IcingadbUtils.php b/library/Graphite/Util/IcingadbUtils.php
new file mode 100644
index 0000000..43334e5
--- /dev/null
+++ b/library/Graphite/Util/IcingadbUtils.php
@@ -0,0 +1,49 @@
+<?php
+
+/* Icinga Graphite Web | (c) 2022 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Graphite\Util;
+
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Common\Database;
+use Icinga\Module\Icingadb\Common\Macros;
+
+/**
+* Class for initialising icingadb utils
+ */
+class IcingadbUtils
+{
+    use Macros;
+    use Database;
+    use Auth;
+
+    protected static $instance;
+
+    /**
+     * @see getInstance()
+     */
+    private function __construct()
+    {
+    }
+
+    /**
+     * Get the IcingadbUtils instance
+     *
+     * @return IcingadbUtils
+     */
+    public static function getInstance(): IcingadbUtils
+    {
+        if (self::$instance === null) {
+            self::$instance = new self();
+        }
+
+        return static::$instance;
+    }
+
+    /**
+     * Prevent the instance from being cloned (which would create a second instance of it)
+     */
+    private function __clone()
+    {
+    }
+}
diff --git a/library/Graphite/Util/InternalProcessTracker.php b/library/Graphite/Util/InternalProcessTracker.php
new file mode 100644
index 0000000..f7f2df6
--- /dev/null
+++ b/library/Graphite/Util/InternalProcessTracker.php
@@ -0,0 +1,126 @@
+<?php
+
+namespace Icinga\Module\Graphite\Util;
+
+use Icinga\Authentication\Auth;
+use Icinga\Security\SecurityException;
+
+/**
+ * A record about what happened during a specific action
+ */
+class InternalProcessTracker
+{
+    /**
+     * Whether to record anything
+     *
+     * @var bool
+     */
+    private static $enabled = false;
+
+    /**
+     * How many '+'es to prepend to each new record
+     *
+     * @var int
+     */
+    private static $indentation = 1;
+
+    /**
+     * The recorded happenings
+     *
+     * @var string[]
+     */
+    private static $records = [];
+
+    /**
+     * Get whether recording is enabled
+     *
+     * @return bool
+     */
+    public static function enabled()
+    {
+        return self::$enabled;
+    }
+
+    /**
+     * Enable recording
+     *
+     * @throws SecurityException
+     */
+    public static function enable()
+    {
+        if (! Auth::getInstance()->hasPermission('graphite/debug')) {
+            throw new SecurityException('No permission for graphite/debug');
+        }
+
+        self::$enabled = true;
+    }
+
+    /**
+     * Introduce a "sub-process"
+     */
+    public static function indent()
+    {
+        if (self::$enabled) {
+            ++self::$indentation;
+        }
+    }
+
+    /**
+     * Record a happening
+     *
+     * Behaves like {@link sprintf()} if additional arguments given, but {@link var_export()}s the arguments first
+     * (so always use %s instead of e.g. %d).
+     *
+     * @param   string  $format
+     */
+    public static function recordf($format)
+    {
+        if (self::$enabled) {
+            if (func_num_args() > 1) {
+                $args = [];
+                foreach (array_slice(func_get_args(), 1) as $arg) {
+                    $args[] = var_export($arg, true);
+                }
+
+                $format = vsprintf($format, $args);
+            }
+
+            self::$records[] = str_repeat('+', self::$indentation) . " $format";
+        }
+    }
+
+    /**
+     * Terminate a "sub-process"
+     */
+    public static function unindent()
+    {
+        if (self::$enabled) {
+            --self::$indentation;
+        }
+    }
+
+    /**
+     * Dump everything recorded as plain text
+     *
+     * @return string
+     */
+    public static function dump()
+    {
+        return implode("\n", self::$records);
+    }
+
+    /**
+     * Reset records
+     */
+    public static function clear()
+    {
+        if (self::$enabled) {
+            self::$indentation = 1;
+            self::$records = [];
+        }
+    }
+
+    final private function __construct()
+    {
+    }
+}
diff --git a/library/Graphite/Util/MacroTemplate.php b/library/Graphite/Util/MacroTemplate.php
new file mode 100644
index 0000000..23a171a
--- /dev/null
+++ b/library/Graphite/Util/MacroTemplate.php
@@ -0,0 +1,239 @@
+<?php
+
+namespace Icinga\Module\Graphite\Util;
+
+use InvalidArgumentException;
+
+/**
+ * A macro-based template for strings
+ */
+class MacroTemplate
+{
+    /**
+     * Macros' start and end character
+     *
+     * @var string
+     */
+    protected $macroCharacter;
+
+    /**
+     * The parsed template
+     *
+     * @var string[]
+     */
+    protected $template;
+
+    /**
+     * Regex for reverse resolving patterns
+     *
+     * @var string
+     */
+    protected $reverseResolvePattern;
+
+    /**
+     * Wildcards
+     *
+     * @var string[]
+     */
+    protected $wildCards;
+
+    /**
+     * The original raw template
+     *
+     * @var string
+     */
+    protected $orgTemplate;
+
+    /**
+     * Constructor
+     *
+     * @param   string  $template           The raw template
+     * @param   string  $macroCharacter     Macros' start and end character
+     */
+    public function __construct($template, $macroCharacter = '$')
+    {
+        $this->orgTemplate = $template;
+        $this->macroCharacter = $macroCharacter;
+        $this->template = explode($macroCharacter, $template);
+        foreach ($this->template as $key => $value) {
+            if (preg_match('/([^:]+):(.+)/', $value, $match)) {
+                $wildCardKey = $match[1];
+                $this->template[$key] = $wildCardKey;
+                $this->wildCards[$wildCardKey] = $match[2];
+            }
+        }
+
+        if (! (count($this->template) % 2)) {
+            throw new InvalidArgumentException(
+                'template contains odd number of ' . var_export($macroCharacter, true)
+                    . 's: ' . var_export($template, true)
+            );
+        }
+    }
+
+    /**
+     * Return a string based on this template with the macros resolved from the given variables
+     *
+     * @param   string[]  $variables
+     * @param   string          $default    The default value for missing variables.
+     *                                      By default the macro just isn't replaced.
+     *
+     * @return  string
+     */
+    public function resolve(array $variables, $default = null)
+    {
+        $macro = false;
+        $result = []; // kind of string builder
+
+        foreach ($this->template as $part) {
+            if ($macro) {
+                if (isset($variables[$part])) {
+                    $result[] = $variables[$part];
+                } elseif ($part === '') {
+                    $result[] = $this->macroCharacter;
+                } elseif ($default === null) {
+                    $result[] = $this->macroCharacter;
+                    $result[] = $part;
+                    // add wildcards to result before they are
+                    // overwritten from Template::getFullCurves()
+                    if (isset($this->wildCards[$part])) {
+                        $result[] = ':' . $this->wildCards[$part];
+                    }
+
+                    $result[] = $this->macroCharacter;
+                } else {
+                    if (isset($this->wildCards[$part])) {
+                        $result[] = $this->wildCards[$part];
+                    } else {
+                        $result[] = $default;
+                    }
+                }
+            } else {
+                $result[] = $part;
+            }
+
+            $macro = ! $macro;
+        }
+
+        return implode($result);
+    }
+
+    /**
+     * Try to reverse-resolve the given string
+     *
+     * @param   string  $resolved       A result of {@link resolve()}
+     *
+     * @return  string[]|false    Variables as passed to {@link resolve()} if successful
+     */
+    public function reverseResolve($resolved)
+    {
+        $matches = [];
+        if (! preg_match($this->getReverseResolvePattern(), $resolved, $matches)) {
+            return false;
+        }
+
+        $macro = false;
+        $macros = [];
+        $currentCapturedSubPatternIndex = 0;
+
+        foreach ($this->template as $part) {
+            if ($macro && ! isset($macros[$part])) {
+                $macros[$part] = ++$currentCapturedSubPatternIndex;
+            }
+
+            $macro = ! $macro;
+        }
+
+        $macros = array_flip($macros);
+
+        $result = [];
+        foreach ($matches as $index => $match) {
+            if ($index > 0) {
+                $result[$macros[$index]] = $match;
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * Return the raw template string this instance was constructed from
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return $this->orgTemplate;
+    }
+
+    /**
+     * Return the macros of this template
+     *
+     * @return string[]
+     */
+    public function getMacros()
+    {
+        $macro = false;
+        $macros = [];
+
+        foreach ($this->template as $part) {
+            if ($macro) {
+                $macros[$part] = null;
+            }
+
+            $macro = ! $macro;
+        }
+
+        unset($macros['']);
+
+        return array_keys($macros);
+    }
+
+    /**
+     * Get macros' start and end character
+     *
+     * @return string
+     */
+    public function getMacroCharacter()
+    {
+        return $this->macroCharacter;
+    }
+
+    /**
+     * Get {@link reverseResolvePattern}
+     *
+     * @return string
+     */
+    protected function getReverseResolvePattern()
+    {
+        if ($this->reverseResolvePattern === null) {
+            $result = ['/\A']; // kind of string builder
+            $macro = false;
+            $macros = [];
+            $currentCapturedSubPatternIndex = 0;
+
+            foreach ($this->template as $part) {
+                if ($macro) {
+                    if (isset($macros[$part])) {
+                        $result[] = '\g{';
+                        $result[] = $macros[$part];
+                        $result[] = '}';
+                    } else {
+                        $macros[$part] = ++$currentCapturedSubPatternIndex;
+                        $result[] = '(.*)';
+                    }
+                } else {
+                    $result[] = preg_quote($part, '/');
+                }
+
+                $macro = ! $macro;
+            }
+
+            $result[] = '\z/s';
+
+            $this->reverseResolvePattern = implode($result);
+        }
+
+        return $this->reverseResolvePattern;
+    }
+}
diff --git a/library/Graphite/Util/TimeRangePickerTools.php b/library/Graphite/Util/TimeRangePickerTools.php
new file mode 100644
index 0000000..d1ebc75
--- /dev/null
+++ b/library/Graphite/Util/TimeRangePickerTools.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace Icinga\Module\Graphite\Util;
+
+use Icinga\Application\Config;
+use Icinga\Exception\ConfigurationError;
+use Icinga\Web\Url;
+use Icinga\Web\UrlParams;
+
+final class TimeRangePickerTools
+{
+    /**
+     * @return string
+     */
+    public static function getRelativeRangeParameter()
+    {
+        return 'graph_range';
+    }
+
+    /**
+     * @return string[]
+     */
+    public static function getAbsoluteRangeParameters()
+    {
+        return ['start' => 'graph_start', 'end' => 'graph_end'];
+    }
+
+    /**
+     * @return string[]
+     */
+    public static function getAllRangeParameters()
+    {
+        return array_values(array_merge([static::getRelativeRangeParameter()], static::getAbsoluteRangeParameters()));
+    }
+
+    /**
+     * Copy {@link getAllRangeParameters()} from one {@link UrlParams} instance to another
+     *
+     * @param   UrlParams|null  $copy   Defaults to a new instance
+     * @param   UrlParams|null  $origin Defaults to the current request's params
+     *
+     * @return  UrlParams               The copy
+     */
+    public static function copyAllRangeParameters(UrlParams $copy = null, UrlParams $origin = null)
+    {
+        if ($origin === null) {
+            $origin = Url::fromRequest()->getParams();
+        }
+        if ($copy === null) {
+            $copy = new UrlParams();
+        }
+
+        foreach (self::getAllRangeParameters() as $param) {
+            $value = $origin->get($param);
+            if ($value !== null) {
+                $copy->set($param, $value);
+            }
+        }
+
+        return $copy;
+    }
+
+    /**
+     * Extract the relative time range (if any) from the given URL parameters
+     *
+     * @param   UrlParams   $params
+     *
+     * @return  bool|int|null
+     */
+    public static function getRelativeSeconds(UrlParams $params)
+    {
+        $seconds = $params->get(self::getRelativeRangeParameter());
+        if ($seconds === null) {
+            return null;
+        }
+
+        return preg_match('/^(?:0|[1-9]\d*)$/', $seconds) ? (int) $seconds : false;
+    }
+
+    /**
+     * Get the default relative time range for graphs
+     *
+     * @return int
+     *
+     * @throws ConfigurationError
+     */
+    public static function getDefaultRelativeTimeRange()
+    {
+        $rangeFactors = [
+            'minutes'   => 60,
+            'hours'     => 3600,
+            'days'      => 86400,
+            'weeks'     => 604800,
+            'months'    => 2592000,
+            'years'     => 31557600
+        ];
+
+        $config = Config::module('graphite');
+        $unit = $config->get('ui', 'default_time_range_unit', 'hours');
+
+        if (! isset($rangeFactors[$unit])) {
+            throw new ConfigurationError(
+                'Bad ui.default_time_range_unit %s in file %s',
+                var_export($unit, true),
+                var_export($config->getConfigFile(), true)
+            );
+        }
+
+        return (int) $config->get('ui', 'default_time_range', 1) * $rangeFactors[$unit];
+    }
+}
diff --git a/library/Graphite/Web/Controller/IcingadbGraphiteController.php b/library/Graphite/Web/Controller/IcingadbGraphiteController.php
new file mode 100644
index 0000000..36bc026
--- /dev/null
+++ b/library/Graphite/Web/Controller/IcingadbGraphiteController.php
@@ -0,0 +1,110 @@
+<?php
+
+/* Icinga Graphite Web | (c) 2022 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Graphite\Web\Controller;
+
+use Icinga\Application\Modules\Module;
+use Icinga\Module\Graphite\ProvidedHook\Icingadb\IcingadbSupport;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Common\Database;
+use Icinga\Module\Icingadb\Common\SearchControls;
+use ipl\Orm\Query;
+use ipl\Stdlib\Contract\Paginatable;
+use ipl\Web\Compat\CompatController;
+use ipl\Web\Control\LimitControl;
+use ipl\Web\Control\PaginationControl;
+use ipl\Web\Control\SortControl;
+use ipl\Web\Filter\QueryString;
+use ipl\Stdlib\Filter;
+use ipl\Web\Url;
+
+class IcingadbGraphiteController extends CompatController
+{
+    use Auth;
+    use Database;
+    use SearchControls;
+
+    /** @var bool Whether to use icingadb as the backend */
+    protected $useIcingadbAsBackend;
+
+    /** @var string[] Graph parameters */
+    protected $graphParams = ['graphs_limit', 'graph_range', 'graph_start', 'graph_end', 'legacyParams'];
+
+    /** @var Filter\Rule Filter from query string parameters */
+    private $filter;
+
+    protected function moduleInit()
+    {
+        $this->useIcingadbAsBackend = Module::exists('icingadb') && IcingadbSupport::useIcingaDbAsBackend();
+    }
+
+    /**
+     * Get the filter created from query string parameters
+     *
+     * @return Filter\Rule
+     */
+    public function getFilter(): Filter\Rule
+    {
+        if ($this->filter === null) {
+            $this->filter = QueryString::parse((string) $this->params);
+        }
+
+        return $this->filter;
+    }
+
+    /**
+     * Create and return the LimitControl
+     *
+     * This automatically shifts the limit URL parameter from {@link $params}.
+     *
+     * @return LimitControl
+     */
+    public function createLimitControl(): LimitControl
+    {
+        $limitControl = new LimitControl(Url::fromRequest());
+        $limitControl->setDefaultLimit($this->getPageSize(null));
+
+        $this->params->shift($limitControl->getLimitParam());
+
+        return $limitControl;
+    }
+
+    /**
+     * Create and return the PaginationControl
+     *
+     * This automatically shifts the pagination URL parameters from {@link $params}.
+     *
+     * @return PaginationControl
+     */
+    public function createPaginationControl(Paginatable $paginatable): PaginationControl
+    {
+        $paginationControl = new PaginationControl($paginatable, Url::fromRequest());
+        $paginationControl->setDefaultPageSize($this->getPageSize(null));
+        $paginationControl->setAttribute('id', $this->getRequest()->protectId('pagination-control'));
+
+        $this->params->shift($paginationControl->getPageParam());
+        $this->params->shift($paginationControl->getPageSizeParam());
+
+        return $paginationControl->apply();
+    }
+
+    /**
+     * Create and return the SortControl
+     *
+     * This automatically shifts the sort URL parameter from {@link $params}.
+     *
+     * @param Query $query
+     * @param array $columns Possible sort columns as sort string-label pairs
+     *
+     * @return SortControl
+     */
+    public function createSortControl(Query $query, array $columns): SortControl
+    {
+        $sortControl = SortControl::create($columns);
+
+        $this->params->shift($sortControl->getSortParam());
+
+        return $sortControl->apply($query);
+    }
+}
diff --git a/library/Graphite/Web/Controller/MonitoringAwareController.php b/library/Graphite/Web/Controller/MonitoringAwareController.php
new file mode 100644
index 0000000..dca2ebd
--- /dev/null
+++ b/library/Graphite/Web/Controller/MonitoringAwareController.php
@@ -0,0 +1,175 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Controller;
+
+use ArrayIterator;
+use Icinga\Application\Modules\Module;
+use Icinga\Data\Filter\Filter;
+use Icinga\Data\Filterable;
+use Icinga\Exception\ConfigurationError;
+use Icinga\Exception\QueryException;
+use Icinga\Module\Graphite\ProvidedHook\Icingadb\IcingadbSupport;
+use Icinga\Module\Monitoring\Backend\MonitoringBackend;
+use Icinga\Module\Monitoring\Data\CustomvarProtectionIterator;
+use Icinga\Module\Monitoring\DataView\DataView;
+use Icinga\Util\Json;
+use Icinga\File\Csv;
+use Icinga\Web\Controller;
+use Icinga\Web\Url;
+
+abstract class MonitoringAwareController extends Controller
+{
+    /** @var bool Whether to use icingadb as the backend */
+    protected $useIcingadbAsBackend = false;
+
+    /**
+     * Restrict the given monitored object query for the currently authenticated user
+     *
+     * @param   DataView    $dataView
+     *
+     * @return  DataView                The given data view
+     */
+    protected function applyMonitoringRestriction(DataView $dataView)
+    {
+        $this->applyRestriction('monitoring/filter/objects', $dataView);
+
+        return $dataView;
+    }
+
+    protected function moduleInit()
+    {
+        if (Module::exists('icingadb') && IcingadbSupport::useIcingaDbAsBackend()) {
+            $this->useIcingadbAsBackend = true;
+
+            return;
+        }
+
+        $this->backend = MonitoringBackend::instance($this->_getParam('backend'));
+        $this->view->url = Url::fromRequest();
+    }
+
+
+    protected function handleFormatRequest($query)
+    {
+        $desiredContentType = $this->getRequest()->getHeader('Accept');
+        if ($desiredContentType === 'application/json') {
+            $desiredFormat = 'json';
+        } elseif ($desiredContentType === 'text/csv') {
+            $desiredFormat = 'csv';
+        } else {
+            $desiredFormat = strtolower($this->params->get('format', 'html'));
+        }
+
+        if ($desiredFormat !== 'html' && ! $this->params->has('limit')) {
+            $query->limit();  // Resets any default limit and offset
+        }
+
+        switch ($desiredFormat) {
+            case 'sql':
+                echo '<pre>'
+                    . htmlspecialchars(wordwrap($query->dump()))
+                    . '</pre>';
+                exit;
+            case 'json':
+                $response = $this->getResponse();
+                $response
+                    ->setHeader('Content-Type', 'application/json')
+                    ->setHeader('Cache-Control', 'no-store')
+                    ->setHeader(
+                        'Content-Disposition',
+                        'inline; filename=' . $this->getRequest()->getActionName() . '.json'
+                    )
+                    ->appendBody(
+                        Json::sanitize(
+                            iterator_to_array(
+                                new CustomvarProtectionIterator(
+                                    new ArrayIterator($query->fetchAll())
+                                )
+                            )
+                        )
+                    )
+                    ->sendResponse();
+                exit;
+            case 'csv':
+                $response = $this->getResponse();
+                $response
+                    ->setHeader('Content-Type', 'text/csv')
+                    ->setHeader('Cache-Control', 'no-store')
+                    ->setHeader(
+                        'Content-Disposition',
+                        'attachment; filename=' . $this->getRequest()->getActionName() . '.csv'
+                    )
+                    ->appendBody((string) Csv::fromQuery(new CustomvarProtectionIterator($query)))
+                    ->sendResponse();
+                exit;
+        }
+    }
+
+    /**
+     * Apply a restriction of the authenticated on the given filterable
+     *
+     * @param   string      $name       Name of the restriction
+     * @param   Filterable  $filterable Filterable to restrict
+     *
+     * @return  Filterable  The filterable having the restriction applied
+     */
+    protected function applyRestriction($name, Filterable $filterable)
+    {
+        $filterable->applyFilter($this->getRestriction($name));
+        return $filterable;
+    }
+
+    /**
+     * Get a restriction of the authenticated
+     *
+     * @param   string $name        Name of the restriction
+     *
+     * @return  Filter              Filter object
+     * @throws  ConfigurationError  If the restriction contains invalid filter columns
+     */
+    protected function getRestriction($name)
+    {
+        $restriction = Filter::matchAny();
+        $restriction->setAllowedFilterColumns(array(
+            'host_name',
+            'hostgroup_name',
+            'instance_name',
+            'service_description',
+            'servicegroup_name',
+            function ($c) {
+                return preg_match('/^_(?:host|service)_/i', $c);
+            }
+        ));
+        foreach ($this->getRestrictions($name) as $filter) {
+            if ($filter === '*') {
+                return Filter::matchAll();
+            }
+            try {
+                $restriction->addFilter(Filter::fromQueryString($filter));
+            } catch (QueryException $e) {
+                throw new ConfigurationError(
+                    $this->translate(
+                        'Cannot apply restriction %s using the filter %s. You can only use the following columns: %s'
+                    ),
+                    $name,
+                    $filter,
+                    implode(', ', array(
+                        'instance_name',
+                        'host_name',
+                        'hostgroup_name',
+                        'service_description',
+                        'servicegroup_name',
+                        '_(host|service)_<customvar-name>'
+                    )),
+                    $e
+                );
+            }
+        }
+
+        if ($restriction->isEmpty()) {
+            return Filter::matchAll();
+        }
+
+        return $restriction;
+    }
+}
diff --git a/library/Graphite/Web/Controller/TimeRangePickerTrait.php b/library/Graphite/Web/Controller/TimeRangePickerTrait.php
new file mode 100644
index 0000000..7352b1b
--- /dev/null
+++ b/library/Graphite/Web/Controller/TimeRangePickerTrait.php
@@ -0,0 +1,115 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Controller;
+
+use Icinga\Module\Graphite\Forms\TimeRangePicker\CommonForm;
+use Icinga\Module\Graphite\Forms\TimeRangePicker\CustomForm;
+use Icinga\Web\Request;
+use Icinga\Web\Url;
+use Icinga\Web\View;
+
+trait TimeRangePickerTrait
+{
+    /**
+     * @var CommonForm
+     */
+    protected $timeRangePickerCommonForm;
+
+    /**
+     * @var CustomForm
+     */
+    protected $timeRangePickerCustomForm;
+
+    /**
+     * Process the given request using the forms
+     *
+     * @param   Request $request    The request to be processed
+     *
+     * @return  Request             The request supposed to be processed
+     */
+    protected function handleTimeRangePickerRequest(Request $request = null)
+    {
+        $this->getTimeRangePickerCommonForm()->handleRequest($request);
+        return $this->getTimeRangePickerCustomForm()->handleRequest($request);
+    }
+
+    /**
+     * Render all needed forms and links
+     *
+     * @param   View    $view
+     *
+     * @return  string
+     */
+    protected function renderTimeRangePicker(View $view)
+    {
+        $url = Url::fromRequest()->getAbsoluteUrl();
+
+        return '<div class="timerangepicker-container">'
+            . $this->getTimeRangePickerCommonForm()
+            . '<div class="flyover flyover-arrow-top" data-flyover-suspends-auto-refresh id="'
+            . $view->protectId('graphite-customrange')
+            . '">'
+            . $view->qlink(null, '#', null, [
+                'title' => $view->translate('Specify custom time range'),
+                'class' => 'button-link flyover-toggle',
+                'icon'  => 'service'
+            ])
+            . '<div class="flyover-content">' . $this->getTimeRangePickerCustomForm() . '</div>'
+            . '</div>'
+            . '</div>';
+    }
+
+    /**
+     * Get {@link timeRangePickerCommonForm}
+     *
+     * @return CommonForm
+     */
+    public function getTimeRangePickerCommonForm()
+    {
+        if ($this->timeRangePickerCommonForm === null) {
+            $this->timeRangePickerCommonForm = new CommonForm();
+        }
+
+        return $this->timeRangePickerCommonForm;
+    }
+
+    /**
+     * Set {@link timeRangePickerCommonForm}
+     *
+     * @param CommonForm $timeRangePickerCommonForm
+     *
+     * @return $this
+     */
+    public function setTimeRangePickerCommonForm(CommonForm $timeRangePickerCommonForm)
+    {
+        $this->timeRangePickerCommonForm = $timeRangePickerCommonForm;
+        return $this;
+    }
+
+    /**
+     * Get {@link timeRangePickerCustomForm}
+     *
+     * @return CustomForm
+     */
+    public function getTimeRangePickerCustomForm()
+    {
+        if ($this->timeRangePickerCustomForm === null) {
+            $this->timeRangePickerCustomForm = new CustomForm();
+        }
+
+        return $this->timeRangePickerCustomForm;
+    }
+
+    /**
+     * Set {@link timeRangePickerCustomForm}
+     *
+     * @param CustomForm $timeRangePickerCustomForm
+     *
+     * @return $this
+     */
+    public function setTimeRangePickerCustomForm(CustomForm $timeRangePickerCustomForm)
+    {
+        $this->timeRangePickerCustomForm = $timeRangePickerCustomForm;
+        return $this;
+    }
+}
diff --git a/library/Graphite/Web/FakeSchemeRequest.php b/library/Graphite/Web/FakeSchemeRequest.php
new file mode 100644
index 0000000..dc415cd
--- /dev/null
+++ b/library/Graphite/Web/FakeSchemeRequest.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web;
+
+use Icinga\Web\Request;
+
+/**
+ * Rationale:
+ *
+ * {@link Url::fromPath()} doesn't preserve URLs which seem to be internal as they are.
+ */
+class FakeSchemeRequest extends Request
+{
+    public function getScheme()
+    {
+        return 'a random url scheme which always differs from the current request\'s one';
+    }
+}
diff --git a/library/Graphite/Web/Form/Decorator/Proxy.php b/library/Graphite/Web/Form/Decorator/Proxy.php
new file mode 100644
index 0000000..63d339c
--- /dev/null
+++ b/library/Graphite/Web/Form/Decorator/Proxy.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Form\Decorator;
+
+use Zend_Form_Decorator_Abstract;
+use Zend_Form_Decorator_Interface;
+
+/**
+ * Wrap a decorator and use it only for rendering
+ */
+class Proxy extends Zend_Form_Decorator_Abstract
+{
+    /**
+     * The actual decorator being proxied
+     *
+     * @var Zend_Form_Decorator_Interface
+     */
+    protected $actualDecorator;
+
+    public function render($content)
+    {
+        return $this->actualDecorator->render($content);
+    }
+
+    /**
+     * Get {@link actualDecorator}
+     *
+     * @return Zend_Form_Decorator_Interface
+     */
+    public function getActualDecorator()
+    {
+        return $this->actualDecorator;
+    }
+
+    /**
+     * Set {@link actualDecorator}
+     *
+     * @param Zend_Form_Decorator_Interface $actualDecorator
+     *
+     * @return $this
+     */
+    public function setActualDecorator($actualDecorator)
+    {
+        $this->actualDecorator = $actualDecorator;
+        return $this;
+    }
+}
diff --git a/library/Graphite/Web/Form/Validator/CustomErrorMessagesValidator.php b/library/Graphite/Web/Form/Validator/CustomErrorMessagesValidator.php
new file mode 100644
index 0000000..893a5b7
--- /dev/null
+++ b/library/Graphite/Web/Form/Validator/CustomErrorMessagesValidator.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Form\Validator;
+
+use Zend_Validate_Abstract;
+
+/**
+ * Provides an easy way to implement validators with custom error messages
+ *
+ * TODO(ak): move to framework(?)
+ */
+abstract class CustomErrorMessagesValidator extends Zend_Validate_Abstract
+{
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        $this->_messageTemplates = ['CUSTOM_ERROR' => ''];
+    }
+
+    public function isValid($value)
+    {
+        $errorMessage = $this->validate($value);
+        if ($errorMessage === null) {
+            return true;
+        }
+
+        $this->setMessage($errorMessage, 'CUSTOM_ERROR');
+        $this->_error('CUSTOM_ERROR');
+        return false;
+    }
+
+    /**
+     * Validate the given value and return an error message if it's invalid
+     *
+     * @param   string  $value
+     *
+     * @return  string|null
+     */
+    abstract protected function validate($value);
+}
diff --git a/library/Graphite/Web/Form/Validator/HttpUserValidator.php b/library/Graphite/Web/Form/Validator/HttpUserValidator.php
new file mode 100644
index 0000000..d5f4a86
--- /dev/null
+++ b/library/Graphite/Web/Form/Validator/HttpUserValidator.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Form\Validator;
+
+use Zend_Validate_Abstract;
+
+/**
+ * Validates http basic authn user names
+ *
+ * TODO(ak): move to Icinga Web 2
+ */
+class HttpUserValidator extends Zend_Validate_Abstract
+{
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        $this->_messageTemplates = ['HAS_COLON' => mt('graphite', 'The username must not contain colons.')];
+    }
+
+    public function isValid($value)
+    {
+        $hasColon = false !== strpos($value, ':');
+        if ($hasColon) {
+            $this->_error('HAS_COLON');
+        }
+        return ! $hasColon;
+    }
+}
diff --git a/library/Graphite/Web/Form/Validator/MacroTemplateValidator.php b/library/Graphite/Web/Form/Validator/MacroTemplateValidator.php
new file mode 100644
index 0000000..8ff4e3c
--- /dev/null
+++ b/library/Graphite/Web/Form/Validator/MacroTemplateValidator.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Form\Validator;
+
+use Icinga\Module\Graphite\Util\MacroTemplate;
+use InvalidArgumentException;
+
+/**
+ * Validates Icinga-style macro templates
+ */
+class MacroTemplateValidator extends CustomErrorMessagesValidator
+{
+    protected function validate($value)
+    {
+        try {
+            new MacroTemplate($value);
+        } catch (InvalidArgumentException $e) {
+            return $e->getMessage();
+        }
+    }
+}
diff --git a/library/Graphite/Web/Widget/GraphImage.php b/library/Graphite/Web/Widget/GraphImage.php
new file mode 100644
index 0000000..af64e69
--- /dev/null
+++ b/library/Graphite/Web/Widget/GraphImage.php
@@ -0,0 +1,143 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Widget;
+
+use Icinga\Module\Graphite\Graphing\Chart;
+use Icinga\Web\Url;
+use Icinga\Web\UrlParams;
+use Icinga\Web\Widget\AbstractWidget;
+use RuntimeException;
+
+class GraphImage extends AbstractWidget
+{
+    /**
+     * The chart to be rendered
+     *
+     * @var Chart
+     */
+    protected $chart;
+
+    /**
+     * The rendered PNG image
+     *
+     * @var string|null
+     */
+    protected $rendered;
+
+    /**
+     * Constructor
+     *
+     * @param   Chart   $chart  The chart to be rendered
+     */
+    public function __construct(Chart $chart)
+    {
+        $this->chart = $chart;
+    }
+
+    /**
+     * Render the graph lazily
+     *
+     * @return string
+     */
+    public function render()
+    {
+        if ($this->rendered === null) {
+            $now = time();
+
+            $from = (int) $this->chart->getFrom();
+            if ($from < 0) {
+                $from += $now;
+            }
+
+            $until = (string) $this->chart->getUntil();
+
+            if ($until === '') {
+                $until = $now;
+            } else {
+                $until = (int) $until;
+                if ($until < 0) {
+                    $until += $now;
+                }
+            }
+
+            $variables = $this->chart->getMetricVariables();
+            $template = $this->chart->getTemplate();
+            $graphiteWebClient = $this->chart->getGraphiteWebClient();
+            $params = (new UrlParams())->addValues([
+                'from'                  => $from,
+                'until'                 => $until,
+                'bgcolor'               => $this->chart->getBackgroundColor() ?? 'black',
+                'fgcolor'               => $this->chart->getForegroundColor() ?? 'white',
+                'majorGridLineColor'    => $this->chart->getMajorGridLineColor() ?? '0000003F',
+                'minorGridLineColor'    => $this->chart->getMinorGridLineColor() ?? 'black',
+                'width'                 => $this->chart->getWidth(),
+                'height'                => $this->chart->getHeight(),
+                'hideLegend'            => (string) ! $this->chart->getShowLegend(),
+                'tz'                    => date_default_timezone_get(),
+                '_salt'                 => "$now.000",
+                'vTitle'                => 'Percent',
+                'lineMode'              => 'connected',
+                'drawNullAsZero'        => 'false',
+                'graphType'             => 'line',
+                '_ext'                  => 'whatever.svg'
+            ]);
+
+            foreach ($template->getUrlParams() as $key => $value) {
+                $params->set($key, $value->resolve($variables));
+            }
+
+            $metrics = $this->chart->getMetrics();
+            $allVars = [];
+
+            foreach ($template->getCurves() as $curveName => $curve) {
+                if (!isset($metrics[$curveName])) {
+                    continue;
+                }
+
+                $vars = $curve[0]->reverseResolve($metrics[$curveName]);
+
+                if ($vars !== false) {
+                    $allVars = array_merge($allVars, $vars);
+                }
+            }
+
+            foreach ($metrics as $curveName => $metric) {
+                $allVars['metric'] = $metric;
+                $params->add('target', $template->getCurves()[$curveName][1]->resolve($allVars));
+            }
+
+            $url = Url::fromPath('/render')->setParams($params);
+            $headers = [
+                'Accept-language'   => 'en',
+                'Content-type'      => 'application/x-www-form-urlencoded'
+            ];
+
+            for (;;) {
+                try {
+                    $this->rendered = $graphiteWebClient->request($url, 'GET', $headers);
+                } catch (RuntimeException $e) {
+                    if (preg_match('/\b500\b/', $e->getMessage())) {
+                        // A 500 Internal Server Error, probably because of
+                        // a division by zero because of a too low time range to render.
+
+                        $until = (int) $url->getParam('until');
+                        $diff = $until - (int) $url->getParam('from');
+
+                        // Try to render a higher time range, but give up
+                        // once our default (1h) has been reached (non successfully).
+                        if ($diff < 3600) {
+                            $url->setParam('from', $until - $diff * 2);
+                            continue;
+                        }
+                    }
+
+                    throw $e;
+                }
+
+                break;
+            }
+        }
+
+        return $this->rendered;
+    }
+}
diff --git a/library/Graphite/Web/Widget/Graphs.php b/library/Graphite/Web/Widget/Graphs.php
new file mode 100644
index 0000000..e18b8da
--- /dev/null
+++ b/library/Graphite/Web/Widget/Graphs.php
@@ -0,0 +1,688 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Widget;
+
+use Icinga\Application\Config;
+use Icinga\Application\Icinga;
+use Icinga\Authentication\Auth;
+use Icinga\Exception\ConfigurationError;
+use Icinga\Module\Graphite\Graphing\Chart;
+use Icinga\Module\Graphite\Graphing\GraphingTrait;
+use Icinga\Module\Graphite\Graphing\Template;
+use Icinga\Module\Graphite\Util\InternalProcessTracker as IPT;
+use Icinga\Module\Graphite\Util\TimeRangePickerTools;
+use Icinga\Module\Graphite\Web\Widget\Graphs\Host as HostGraphs;
+use Icinga\Module\Graphite\Web\Widget\Graphs\Service as ServiceGraphs;
+use Icinga\Module\Monitoring\Object\Host;
+use Icinga\Module\Monitoring\Object\MonitoredObject;
+use Icinga\Module\Monitoring\Object\Service;
+use Icinga\Web\Request;
+use Icinga\Web\Url;
+use Icinga\Web\View;
+use Icinga\Web\Widget\AbstractWidget;
+use ipl\Orm\Model;
+use Icinga\Module\Icingadb\Model\Host as IcingadbHost;
+use Icinga\Module\Graphite\Web\Widget\Graphs\Icingadb\IcingadbHost as IcingadbHostGraphs;
+use Icinga\Module\Graphite\Web\Widget\Graphs\Icingadb\IcingadbService as IcingadbServiceGraphs;
+
+abstract class Graphs extends AbstractWidget
+{
+    use GraphingTrait;
+
+    /**
+     * The Icinga custom variable with the "real" check command (if any) of objects we display graphs for
+     *
+     * @var string
+     */
+    protected static $obscuredCheckCommandCustomVar;
+
+    /**
+     * The type of the object to render the graphs for
+     *
+     * @var string
+     */
+    protected $objectType;
+
+    /**
+     * The object to render the graphs for
+     *
+     * @var MonitoredObject|Model
+     */
+    protected $object;
+
+    /**
+     * Graph image width
+     *
+     * @var string
+     */
+    protected $width = '350';
+
+    /**
+     * Graph image height
+     *
+     * @var string
+     */
+    protected $height = '200';
+
+    /**
+     * Graph range start
+     *
+     * @var string
+     */
+    protected $start;
+
+    /**
+     * Graph range end
+     *
+     * @var string
+     */
+    protected $end;
+
+    /**
+     * Whether to render as compact as possible
+     *
+     * @var bool
+     */
+    protected $compact = false;
+
+    /**
+     * The check command of the monitored object we display graphs for
+     *
+     * @var string
+     */
+    protected $checkCommand;
+
+    /**
+     * The "real" check command (if any) of the monitored object we display graphs for
+     *
+     * E.g. the command executed remotely via check_by_ssh
+     *
+     * @var string|null
+     */
+    protected $obscuredCheckCommand;
+
+    /**
+     * Additional CSS classes for the <div/>s around the images
+     *
+     * @var string[]
+     */
+    protected $classes = [];
+
+    /**
+     * Whether to serve a transparent dummy image first and let the JS code load the actual graph
+     *
+     * @var bool
+     */
+    protected $preloadDummy = false;
+
+    /**
+     * Whether to render the graphs inline
+     *
+     * @var bool
+     */
+    protected $renderInline;
+
+    /**
+     * Whether to explicitly display that no graphs were found
+     *
+     * @var bool|null
+     */
+    protected $showNoGraphsFound;
+
+    /**
+     * Factory, based on the given monitoring object
+     *
+     * @param   MonitoredObject $object
+     *
+     * @return  static
+     */
+    public static function forMonitoredObject(MonitoredObject $object)
+    {
+        switch ($object->getType()) {
+            case 'host':
+                /** @var Host $object */
+                return new HostGraphs($object);
+
+            case 'service':
+                /** @var Service $object */
+                return new ServiceGraphs($object);
+        }
+    }
+
+    /**
+     * Factory, based on the given icingadb object
+     *
+     * @param Model $object
+     *
+     * @return static
+     */
+    public static function forIcingadbObject(Model $object)
+    {
+        if ($object instanceof IcingadbHost) {
+            return new IcingadbHostGraphs($object);
+        }
+
+        return new IcingadbServiceGraphs($object);
+    }
+
+    /**
+     * Get the Icinga custom variable with the "real" check command (if any) of monitored objects we display graphs for
+     *
+     * @return string
+     */
+    public static function getObscuredCheckCommandCustomVar()
+    {
+        if (static::$obscuredCheckCommandCustomVar === null) {
+            static::$obscuredCheckCommandCustomVar = Config::module('graphite')
+                ->get('icinga', 'customvar_obscured_check_command', 'check_command');
+        }
+
+        return static::$obscuredCheckCommandCustomVar;
+    }
+
+    /**
+     * Constructor
+     *
+     * @param MonitoredObject|Model $object    The object to render the graphs for
+     */
+    public function __construct($object)
+    {
+        $this->object = $object;
+        $this->renderInline = Url::fromRequest()->getParam('format') === 'pdf';
+
+        if ($object instanceof Model) {
+            $this->checkCommand = $object->checkcommand_name;
+            $this->obscuredCheckCommand = $object->vars[Graphs::getObscuredCheckCommandCustomVar()] ?? null;
+        } else {
+            $this->checkCommand = $object->{"{$this->objectType}_check_command"};
+            $this->obscuredCheckCommand = $object->{
+                "_{$this->objectType}_" . Graphs::getObscuredCheckCommandCustomVar()
+            };
+        }
+    }
+
+    /**
+     * Process the given request using this widget
+     *
+     * @param   Request $request    The request to be processed
+     *
+     * @return  $this
+     */
+    public function handleRequest(Request $request = null)
+    {
+        if ($request === null) {
+            $request = Icinga::app()->getRequest();
+        }
+
+        $params = $request->getUrl()->getParams();
+        list($this->start, $this->end) = $this->getRangeFromTimeRangePicker($request);
+        $this->width  = $params->shift('width', $this->width);
+        $this->height = $params->shift('height', $this->height);
+
+        return $this;
+    }
+
+    /**
+     * Render the graphs list
+     *
+     * @return string
+     */
+    protected function getGraphsList()
+    {
+        $result = []; // kind of string builder
+        $imageBaseUrl = $this->getImageBaseUrl();
+        $allTemplates = $this->getAllTemplates();
+        $actualCheckCommand = $this->obscuredCheckCommand === null ? $this->checkCommand : $this->obscuredCheckCommand;
+        $concreteTemplates = $allTemplates->getTemplates($actualCheckCommand);
+
+        $excludedMetrics = [];
+
+        foreach ($concreteTemplates as $concreteTemplate) {
+            foreach ($concreteTemplate->getCurves() as $curve) {
+                $excludedMetrics[] = $curve[0];
+            }
+        }
+
+        IPT::recordf("Icinga check command: %s", $this->checkCommand);
+        IPT::recordf("Obscured check command: %s", $this->obscuredCheckCommand);
+
+        foreach (
+            [
+            ['template', $concreteTemplates, []],
+            ['default_template', $allTemplates->getDefaultTemplates(), $excludedMetrics],
+            ] as $templateSet
+        ) {
+            list($urlParam, $templates, $excludeMetrics) = $templateSet;
+
+            if ($urlParam === 'template') {
+                IPT::recordf('Applying templates for check command %s', $actualCheckCommand);
+            } else {
+                IPT::recordf('Applying default templates, excluding previously used metrics');
+            }
+
+            IPT::indent();
+
+            foreach ($templates as $templateName => $template) {
+                if ($this->designedForObjectType($template)) {
+                    IPT::recordf('Applying template %s', $templateName);
+                    IPT::indent();
+
+                    $charts = $template->getCharts(
+                        static::getMetricsDataSource(),
+                        $this->object,
+                        [],
+                        $excludeMetrics
+                    );
+
+                    if (! empty($charts)) {
+                        $currentGraphs = [];
+
+                        foreach ($charts as $chart) {
+                            /** @var Chart $chart */
+
+                            $metricVariables = $chart->getMetricVariables();
+                            $bestIntersect = -1;
+                            $bestPos = count($result);
+
+                            foreach ($result as $graphPos => & $graph) {
+                                $currentIntersect = count(array_intersect_assoc($graph[1], $metricVariables));
+
+                                if ($currentIntersect >= $bestIntersect) {
+                                    $bestIntersect = $currentIntersect;
+                                    $bestPos = $graphPos + 1;
+                                }
+                            }
+                            unset($graph);
+
+                            $urlParams = $template->getUrlParams();
+                            if (array_key_exists("height", $urlParams)) {
+                                $actheight = $urlParams["height"]->resolve(['height']);
+                                if ($actheight < $this->height) {
+                                    $actheight = $this->height;
+                                }
+                            } else {
+                                $actheight = $this->height;
+                            }
+                            $actwidth = $this->width;
+                            $actwidthfix = "";
+                            if (array_key_exists("width", $urlParams)) {
+                                $actwidth = $urlParams["width"]->resolve(['width']);
+                                $actwidthfix = "width: {$actwidth}px; ";
+                            }
+
+                            if ($this->renderInline) {
+                                $chart->setFrom($this->start)
+                                    ->setUntil($this->end)
+                                    ->setWidth($actwidth)
+                                    ->setHeight($actheight)
+                                    ->setBackgroundColor('white')
+                                    ->setForegroundColor('black')
+                                    ->setMajorGridLineColor('grey')
+                                    ->setMinorGridLineColor('white')
+                                    ->setShowLegend(! $this->compact);
+
+                                $img = new InlineGraphImage($chart);
+                            } else {
+                                $imageUrl = $this->filterImageUrl($imageBaseUrl->with($metricVariables))
+                                    ->setParam($urlParam, $templateName)
+                                    ->setParam('start', $this->start)
+                                    ->setParam('end', $this->end)
+                                    ->setParam('width', $actwidth)
+                                    ->setParam('height', $actheight);
+
+                                if (! $this->compact) {
+                                    $imageUrl->setParam('legend', 1);
+                                }
+
+                                if ($this->preloadDummy) {
+                                    $src = 'data:image/png;base64,' // 1x1 dummy
+                                        . 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAACnej3aAAAAAXRS'
+                                        . 'TlMAQObYZgAAAApJREFUeAFjZAAAAAQAAhq+CAMAAAAASUVORK5CYII=';
+                                } else {
+                                    $src = $imageUrl;
+                                }
+
+                                $img = '<img id="graphiteImg-' . md5((string) $imageUrl) . '"'
+                                    . " src=\"$src\" data-actualimageurl=\"$imageUrl\" class=\"detach graphiteImg\""
+                                    . " alt=\"\" width=\"$actwidth\" height=\"$actheight\""
+                                    . " style=\"min-width: {$actwidth}px; $actwidthfix min-height: {$actheight}px;\">";
+                            }
+
+                            $currentGraphs[] = [$img, $metricVariables, $bestPos];
+                        }
+
+                        foreach (array_reverse($currentGraphs) as $graph) {
+                            list($img, $metricVariables, $bestPos) = $graph;
+                            array_splice($result, $bestPos, 0, [[$img, $metricVariables]]);
+                        }
+                    }
+
+                    IPT::unindent();
+                } else {
+                    IPT::recordf('Not applying template %s', $templateName);
+                }
+            }
+
+            IPT::unindent();
+        }
+
+        if (! empty($result)) {
+            foreach ($result as & $graph) {
+                $graph = $graph[0];
+            }
+            unset($graph);
+
+            $currentUrl = Icinga::app()->getRequest()->getUrl();
+            $limit = (int) $currentUrl->getParam('graphs_limit', 2);
+            $total = count($result);
+
+            if ($limit < 1) {
+                $limit = -1;
+            }
+
+            if ($limit !== -1 && $total > $limit) {
+                $result = array_slice($result, 0, $limit);
+
+                if (! $this->compact) {
+                    /** @var View $view */
+                    $view = $this->view();
+
+                    $url = $this->getGraphsListBaseUrl();
+                    TimeRangePickerTools::copyAllRangeParameters($url->getParams(), $currentUrl->getParams());
+
+                    $result[] = "<p class='load-more'>{$view->qlink(
+                        sprintf($view->translate('Load all %d graphs'), $total),
+                        $url->setParam('graphs_limit', '-1'),
+                        null,
+                        ['class' => 'action-link']
+                    )}</p>";
+                }
+            }
+
+            $classes = $this->classes;
+            $classes[] = 'images';
+
+            array_unshift($result, '<div class="' . implode(' ', $classes) . '">');
+            $result[] = '</div>';
+        }
+
+        if ($this->renderInline) {
+            foreach ($result as $html) {
+                if ($html instanceof InlineGraphImage) {
+                    // Errors should occur now or not at all
+                    $html->render();
+                }
+            }
+        }
+
+        return implode($result);
+    }
+
+    public function render()
+    {
+        IPT::clear();
+
+        try {
+            $result = $this->getGraphsList();
+        } catch (ConfigurationError $e) {
+            $view = $this->view();
+
+            return "<p>{$view->escape($e->getMessage())}</p>"
+                . '<p>' . vsprintf(
+                    $view->escape($view->translate('Please %scorrect%s the configuration of the Graphite module.')),
+                    Auth::getInstance()->hasPermission('config/modules')
+                        ? explode(
+                            '$LINK_TEXT$',
+                            $view->qlink('$LINK_TEXT$', 'graphite/config/backend', null, ['class' => 'action-link'])
+                        )
+                        : ['', '']
+                ) . '</p>';
+        }
+
+        $view = $this->view();
+
+        if ($result === '' && $this->getShowNoGraphsFound()) {
+            $result = "<p>{$view->escape($view->translate('No graphs found'))}</p>";
+        }
+
+        if (IPT::enabled()) {
+            $result .= "<h3>{$view->escape($view->translate('Graphs assembling process record'))}</h3>"
+                . "<pre>{$view->escape(IPT::dump())}</pre>";
+        }
+
+        return $result;
+    }
+
+    /**
+     * Get time range parameters for Graphite from the URL
+     *
+     * @param   Request $request    The request to be used
+     *
+     * @return  string[]
+     */
+    protected function getRangeFromTimeRangePicker(Request $request)
+    {
+        $params = $request->getUrl()->getParams();
+        $relative = $params->get(TimeRangePickerTools::getRelativeRangeParameter());
+        if ($relative !== null) {
+            return ["-$relative", null];
+        }
+
+        $absolute = TimeRangePickerTools::getAbsoluteRangeParameters();
+        $start = $params->get($absolute['start']);
+        return [
+            $start === null ? -TimeRangePickerTools::getDefaultRelativeTimeRange() : $start,
+            $params->get($absolute['end'])
+        ];
+    }
+
+    /**
+     * Return a identifier specifying the monitored object we display graphs for
+     *
+     * @return  string
+     */
+    abstract protected function getMonitoredObjectIdentifier();
+
+    /**
+     * Get the base URL to a graph specifying just the monitored object kind
+     *
+     * @return Url
+     */
+    abstract protected function getImageBaseUrl();
+
+    /**
+     * Get the base URL to the monitored object's graphs list
+     *
+     * @return Url
+     */
+    abstract protected function getGraphsListBaseUrl();
+
+    /**
+     * Extend the {@link getImageBaseUrl()}'s result's parameters with the concrete monitored object
+     *
+     * @param   Url $url    The URL to extend
+     *
+     * @return  Url         The given URL
+     */
+    abstract protected function filterImageUrl(Url $url);
+
+    /**
+     * Return whether the given template is designed for the type of the object we display graphs for
+     *
+     * @param   Template    $template
+     *
+     * @return  bool
+     */
+    abstract protected function designedForObjectType(Template $template);
+
+    /**
+     * Get {@link compact}
+     *
+     * @return bool
+     */
+    public function getCompact()
+    {
+        return $this->compact;
+    }
+
+    /**
+     * Set {@link compact}
+     *
+     * @param bool $compact
+     *
+     * @return $this
+     */
+    public function setCompact($compact = true)
+    {
+        $this->compact = $compact;
+        return $this;
+    }
+
+    /**
+     * Get the graph image width
+     *
+     * @return string
+     */
+    public function getWidth()
+    {
+        return $this->width;
+    }
+
+    /**
+     * Set the graph image width
+     *
+     * @param string $width
+     *
+     * @return $this
+     */
+    public function setWidth($width)
+    {
+        $this->width = $width;
+
+        return $this;
+    }
+
+    /**
+     * Get the graph image height
+     *
+     * @return string
+     */
+    public function getHeight()
+    {
+        return $this->height;
+    }
+
+    /**
+     * Set the graph image height
+     *
+     * @param string $height
+     *
+     * @return $this
+     */
+    public function setHeight($height)
+    {
+        $this->height = $height;
+
+        return $this;
+    }
+
+    /**
+     * Get additional CSS classes for the <div/>s around the images
+     *
+     * @return string[]
+     */
+    public function getClasses()
+    {
+        return $this->classes;
+    }
+
+    /**
+     * Set additional CSS classes for the <div/>s around the images
+     *
+     * @param string[] $classes
+     *
+     * @return $this
+     */
+    public function setClasses($classes)
+    {
+        $this->classes = $classes;
+
+        return $this;
+    }
+
+    /**
+     * Get whether to serve a transparent dummy image first and let the JS code load the actual graph
+     *
+     * @return bool
+     */
+    public function getPreloadDummy()
+    {
+        return $this->preloadDummy;
+    }
+
+    /**
+     * Set whether to serve a transparent dummy image first and let the JS code load the actual graph
+     *
+     * @param bool $preloadDummy
+     *
+     * @return $this
+     */
+    public function setPreloadDummy($preloadDummy = true)
+    {
+        $this->preloadDummy = $preloadDummy;
+
+        return $this;
+    }
+
+    /**
+     * Get whether to render the graphs inline
+     *
+     * @return bool
+     */
+    public function getRenderInline()
+    {
+        return $this->renderInline;
+    }
+
+    /**
+     * Set whether to render the graphs inline
+     *
+     * @param bool $renderInline
+     *
+     * @return $this
+     */
+    public function setRenderInline($renderInline = true)
+    {
+        $this->renderInline = $renderInline;
+
+        return $this;
+    }
+
+    /**
+     * Get whether to explicitly display that no graphs were found
+     *
+     * @return bool
+     */
+    public function getShowNoGraphsFound()
+    {
+        if ($this->showNoGraphsFound === null) {
+            $this->showNoGraphsFound = ! Config::module('graphite')->get('ui', 'disable_no_graphs_found');
+        }
+
+        return $this->showNoGraphsFound;
+    }
+
+    /**
+     * Set whether to explicitly display that no graphs were found
+     *
+     * @param bool $showNoGraphsFound
+     *
+     * @return $this
+     */
+    public function setShowNoGraphsFound($showNoGraphsFound = true)
+    {
+        $this->showNoGraphsFound = $showNoGraphsFound;
+
+        return $this;
+    }
+}
diff --git a/library/Graphite/Web/Widget/Graphs/Host.php b/library/Graphite/Web/Widget/Graphs/Host.php
new file mode 100644
index 0000000..2247bcc
--- /dev/null
+++ b/library/Graphite/Web/Widget/Graphs/Host.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Widget\Graphs;
+
+use Icinga\Module\Graphite\Graphing\Template;
+use Icinga\Module\Graphite\Web\Widget\Graphs;
+use Icinga\Module\Monitoring\Object\Host as MonitoredHost;
+use Icinga\Web\Url;
+
+class Host extends Graphs
+{
+    protected $objectType = 'host';
+
+    /**
+     * The host to render the graphs of
+     *
+     * @var MonitoredHost
+     */
+    protected $object;
+
+    protected function getImageBaseUrl()
+    {
+        return Url::fromPath('graphite/graph/host');
+    }
+
+    protected function getGraphsListBaseUrl()
+    {
+        return Url::fromPath('graphite/list/hosts', ['host' => $this->object->getName()]);
+    }
+
+    protected function filterImageUrl(Url $url)
+    {
+        return $url->setParam('host.name', $this->object->getName());
+    }
+
+    protected function getMonitoredObjectIdentifier()
+    {
+        return $this->object->getName();
+    }
+
+    protected function designedForObjectType(Template $template)
+    {
+        foreach ($template->getCurves() as $curve) {
+            if (in_array('host_name_template', $curve[0]->getMacros())) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}
diff --git a/library/Graphite/Web/Widget/Graphs/Icingadb/IcingadbHost.php b/library/Graphite/Web/Widget/Graphs/Icingadb/IcingadbHost.php
new file mode 100644
index 0000000..2b0a614
--- /dev/null
+++ b/library/Graphite/Web/Widget/Graphs/Icingadb/IcingadbHost.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Widget\Graphs\Icingadb;
+
+use Icinga\Module\Graphite\Graphing\Template;
+use Icinga\Module\Graphite\Web\Widget\Graphs;
+use Icinga\Web\Url;
+use Icinga\Module\Icingadb\Model\Host;
+
+class IcingadbHost extends Graphs
+{
+    protected $objectType = 'host';
+
+    /**
+     * The Icingadb host to render the graphs for
+     *
+     * @var Host
+     */
+    protected $object;
+
+    protected function getGraphsListBaseUrl()
+    {
+        return Url::fromPath('graphite/hosts', ['host.name' => $this->object->name]);
+    }
+
+    protected function filterImageUrl(Url $url)
+    {
+        return $url->setParam('host.name', $this->object->name);
+    }
+
+    public function createHostTitle()
+    {
+        return $this->object->name;
+    }
+
+    public function getObjectType()
+    {
+        return $this->objectType;
+    }
+
+    protected function getMonitoredObjectIdentifier()
+    {
+        return $this->object->name;
+    }
+
+    protected function getImageBaseUrl()
+    {
+        return Url::fromPath('graphite/graph/host');
+    }
+
+    protected function designedForObjectType(Template $template)
+    {
+        foreach ($template->getCurves() as $curve) {
+            if (in_array('host_name_template', $curve[0]->getMacros())) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}
diff --git a/library/Graphite/Web/Widget/Graphs/Icingadb/IcingadbService.php b/library/Graphite/Web/Widget/Graphs/Icingadb/IcingadbService.php
new file mode 100644
index 0000000..7827e86
--- /dev/null
+++ b/library/Graphite/Web/Widget/Graphs/Icingadb/IcingadbService.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Widget\Graphs\Icingadb;
+
+use Icinga\Module\Graphite\Graphing\Template;
+use Icinga\Module\Graphite\Web\Widget\Graphs;
+use Icinga\Web\Url;
+use Icinga\Module\Icingadb\Model\Service;
+
+class IcingadbService extends Graphs
+{
+    protected $objectType = 'service';
+
+    /**
+     * The icingadb service to render the graphs for
+     *
+     * @var Service
+     */
+    protected $object;
+
+    protected function getGraphsListBaseUrl()
+    {
+        return Url::fromPath(
+            'graphite/services',
+            ['service.name' => $this->object->name, 'host.name' => $this->object->host->name]
+        );
+    }
+
+    protected function filterImageUrl(Url $url)
+    {
+        return $url
+            ->setParam('host.name', $this->object->host->name)
+            ->setParam('service.name', $this->object->name);
+    }
+
+    public function createHostTitle()
+    {
+        return $this->object->host->name;
+    }
+
+    public function createServiceTitle()
+    {
+        return ' : ' . $this->object->name;
+    }
+
+    public function getObjectType()
+    {
+        return $this->objectType;
+    }
+
+    protected function getMonitoredObjectIdentifier()
+    {
+        return $this->object->host->name . ':' . $this->object->name;
+    }
+
+    protected function getImageBaseUrl()
+    {
+        return Url::fromPath('graphite/graph/service');
+    }
+
+    protected function designedforObjectType(Template $template)
+    {
+        foreach ($template->getCurves() as $curve) {
+            if (in_array('service_name_template', $curve[0]->getMacros())) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}
diff --git a/library/Graphite/Web/Widget/Graphs/Service.php b/library/Graphite/Web/Widget/Graphs/Service.php
new file mode 100644
index 0000000..5fc0143
--- /dev/null
+++ b/library/Graphite/Web/Widget/Graphs/Service.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Widget\Graphs;
+
+use Icinga\Module\Graphite\Graphing\Template;
+use Icinga\Module\Graphite\Web\Widget\Graphs;
+use Icinga\Module\Monitoring\Object\Service as MonitoredService;
+use Icinga\Web\Url;
+
+class Service extends Graphs
+{
+    protected $objectType = 'service';
+
+    /**
+     * The service to render the graphs for
+     *
+     * @var MonitoredService
+     */
+    protected $object;
+
+    protected function getImageBaseUrl()
+    {
+        return Url::fromPath('graphite/graph/service');
+    }
+
+    protected function getGraphsListBaseUrl()
+    {
+        return Url::fromPath(
+            'graphite/list/services',
+            ['host' => $this->object->getHost()->getName(), 'service' => $this->object->getName()]
+        );
+    }
+
+    protected function filterImageUrl(Url $url)
+    {
+        return $url
+            ->setParam('host.name', $this->object->getHost()->getName())
+            ->setParam('service.name', $this->object->getName());
+    }
+
+    protected function getMonitoredObjectIdentifier()
+    {
+        return $this->object->getHost()->getName() . ':' . $this->object->getName();
+    }
+
+    protected function designedForObjectType(Template $template)
+    {
+        foreach ($template->getCurves() as $curve) {
+            if (in_array('service_name_template', $curve[0]->getMacros())) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}
diff --git a/library/Graphite/Web/Widget/IcingadbGraphs.php b/library/Graphite/Web/Widget/IcingadbGraphs.php
new file mode 100644
index 0000000..e038e92
--- /dev/null
+++ b/library/Graphite/Web/Widget/IcingadbGraphs.php
@@ -0,0 +1,106 @@
+<?php
+
+/* Icinga Graphite Web | (c) 2022 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Graphite\Web\Widget;
+
+use Icinga\Data\Filter\Filter;
+use Icinga\Module\Graphite\Web\Widget\Graphs\Icingadb\IcingadbHost;
+use Icinga\Module\Graphite\Web\Widget\Graphs\Icingadb\IcingadbService;
+use Icinga\Module\Icingadb\Common\Links;
+use Icinga\Module\Icingadb\Widget\EmptyState;
+use Icinga\Module\Icingadb\Model\Host;
+use ipl\Html\BaseHtmlElement;
+use ipl\Html\Html;
+use ipl\Html\HtmlDocument;
+use ipl\Html\HtmlString;
+use ipl\Orm\ResultSet;
+use ipl\Stdlib\BaseFilter;
+use ipl\Web\Filter\QueryString;
+use ipl\Web\Widget\Link;
+
+/**
+* Class for creating graphs of icingadb objects
+*/
+class IcingadbGraphs extends BaseHtmlElement
+{
+    use BaseFilter;
+
+    protected $defaultAttributes = ['class' => 'grid'];
+
+    /** @var Iterable */
+    protected $objects;
+
+    protected $tag = 'div';
+
+    /**
+     * Create a new Graph item
+     *
+     * @param ResultSet $objects
+     */
+    public function __construct(ResultSet $objects)
+    {
+        $this->objects = $objects;
+    }
+
+    protected function assemble()
+    {
+        if (! $this->objects->hasResult()) {
+            $this->add(new EmptyState(t('No items found.')));
+        }
+
+        foreach ($this->objects as $object) {
+            $this->add($this->createGridItem($object));
+        }
+
+        $document = new HtmlDocument();
+        $document->addHtml(Html::tag('div', ['class' => 'graphite-graph-color-registry']), $this);
+        $this->prependWrapper($document);
+    }
+
+    protected function createGridItem($object)
+    {
+        if ($object instanceof Host) {
+            $graph = new IcingadbHost($object);
+            $hostObj = $object;
+        } else {
+            $graph = new IcingadbService($object);
+            $hostObj = $object->host;
+        }
+
+        $hostUrl = Links::host($hostObj);
+
+        if ($this->hasBaseFilter()) {
+            $hostUrl->addFilter(Filter::fromQueryString(QueryString::render($this->getBaseFilter())));
+        }
+
+        $hostLink =  new Link(
+            $graph->createHostTitle(),
+            $hostUrl,
+            ['data-base-target' => '_next']
+        );
+
+        $serviceLink = null;
+        if ($graph->getObjectType() === 'service') {
+            $serviceUrl = Links::service($object, $hostObj);
+
+            if ($this->hasBaseFilter()) {
+                $serviceUrl->addFilter(Filter::fromQueryString(QueryString::render($this->getBaseFilter())));
+            }
+
+            $serviceLink = new Link(
+                $graph->createServiceTitle(),
+                $serviceUrl,
+                ['data-base-target' => '_next']
+            );
+        }
+
+        $gridItem = Html::tag('div', ['class' => 'grid-item']);
+        $header = Html::tag('h2');
+
+        $header->add([$hostLink, $serviceLink]);
+        $gridItem->add($header);
+
+        return $gridItem->add(HtmlString::create($graph->setPreloadDummy()->handleRequest()));
+    }
+}
diff --git a/library/Graphite/Web/Widget/InlineGraphImage.php b/library/Graphite/Web/Widget/InlineGraphImage.php
new file mode 100644
index 0000000..881384d
--- /dev/null
+++ b/library/Graphite/Web/Widget/InlineGraphImage.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Widget;
+
+use Icinga\Module\Graphite\Graphing\Chart;
+use Icinga\Web\Widget\AbstractWidget;
+
+class InlineGraphImage extends AbstractWidget
+{
+    /**
+     * The image to be rendered
+     *
+     * @var GraphImage
+     */
+    protected $image;
+
+    /**
+     * The rendered <img>
+     *
+     * @var string|null
+     */
+    protected $rendered;
+
+    /**
+     * Constructor
+     *
+     * @param   Chart   $chart  The chart to be rendered
+     */
+    public function __construct(Chart $chart)
+    {
+        $this->image = new GraphImage($chart);
+    }
+
+    /**
+     * Render the graph lazily
+     *
+     * @return string
+     */
+    public function render()
+    {
+        if ($this->rendered === null) {
+            $this->rendered = '<img src="data:image/png;base64,'
+                . implode("\n", str_split(base64_encode($this->image->render()), 76))
+                . '">';
+        }
+
+        return $this->rendered;
+    }
+}