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Diffstat (limited to 'application/clicommands/Icinga2Command.php')
| -rw-r--r-- | application/clicommands/Icinga2Command.php | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/application/clicommands/Icinga2Command.php b/application/clicommands/Icinga2Command.php new file mode 100644 index 0000000..816e063 --- /dev/null +++ b/application/clicommands/Icinga2Command.php @@ -0,0 +1,206 @@ +<?php + +/* Icinga Web 2 | (c) 2018 Icinga Development Team | GPLv2+ */ + +namespace Icinga\Module\Graphite\Clicommands; + +use Icinga\Cli\Command; +use Icinga\Module\Graphite\Graphing\GraphingTrait; +use Icinga\Module\Graphite\Graphing\Template; +use Icinga\Module\Graphite\Util\MacroTemplate; +use Icinga\Module\Graphite\Web\Widget\Graphs; + +class Icinga2Command extends Command +{ + use GraphingTrait; + + /** + * Generate Icinga 2 host and service config based on the present graph templates + * + * The generated (fictive) monitored objects' checks yield random perfdata to be + * written to Graphite as expected by the present graph templates of this module. + * The generated Icinga 2 config can be used to simulate graphs generated based + * on the graph templates. + * + * icingacli graphite icinga2 config + */ + public function configAction() + { + $icinga2CfgObjPrefix = 'IW2_graphite_demo'; + $obscuredCheckCommandCustomVar = Graphs::getObscuredCheckCommandCustomVar(); + + $result = [ + <<<EOT +object CheckCommand "$icinga2CfgObjPrefix" { + command = [ "/usr/bin/printf" ] + arguments = { + "%s" = {{ + var res = " |" + for (label => max in macro("\$$icinga2CfgObjPrefix\$")) { + res += " '" + label + "'=" + (random() % max) + ";" + (max * 0.8) + ";" + (max * 0.9) + ";0;" + max + } + res + }} + } +} +EOT + , + <<<EOT +object HostGroup "$icinga2CfgObjPrefix" { + assign where host.vars.$icinga2CfgObjPrefix +} +EOT + , + <<<EOT +object ServiceGroup "$icinga2CfgObjPrefix" { + assign where service.vars.$icinga2CfgObjPrefix +} +EOT + , + <<<EOT +object Host "{$icinga2CfgObjPrefix}_doesntmatchanycheckcommand" { + check_command = "$icinga2CfgObjPrefix" + check_interval = 30s + vars.$obscuredCheckCommandCustomVar = "doesntmatchanycheckcommand" + vars.$icinga2CfgObjPrefix = { + "dummy1" = 100 + "dummy2" = 100 + "dummy3" = 100 + "dummy4" = 100 + } +} +EOT + , + <<<EOT +apply Service "{$icinga2CfgObjPrefix}_doesntmatchanycheckcommand" { + assign where host.vars.$icinga2CfgObjPrefix + check_command = "$icinga2CfgObjPrefix" + check_interval = 30s + vars.$obscuredCheckCommandCustomVar = "doesntmatchanycheckcommand" + vars.$icinga2CfgObjPrefix = { + "dummy1" = 100 + "dummy2" = 100 + "dummy3" = 100 + "dummy4" = 100 + } +} +EOT + ]; + + foreach (static::getAllTemplates()->getAllTemplates() as $checkCommand => $templates) { + $perfdata = []; + + foreach ($templates as $templateName => $template) { + /** @var Template $template */ + + $urlParams = $template->getUrlParams(); + + switch (isset($urlParams['yUnitSystem']) ? $urlParams['yUnitSystem']->resolve([]) : 'none') { + case 'si': + case 'binary': + $max = 42000000; + break; + + case 'sec': + case 'msec': + $max = 82800; + break; + + default: + $max = 100; + } + + foreach ($template->getCurves() as $curveName => $curve) { + /** @var MacroTemplate $metricFilter */ + $metricFilter = $curve[0]; + + $macros = array_flip($metricFilter->getMacros()); + $service = isset($macros['service_name_template']); + + foreach ($macros as & $macro) { + $macro = ['dummy1', 'dummy2', 'dummy3', 'dummy4']; + } + + $macros['host_name_template'] = ['']; + $macros['service_name_template'] = ['']; + + foreach ($this->cartesianProduct($macros) as $macroValues) { + if ( + preg_match( + '/\A\.[^.]+\.(.+)\.[^.]+\z/', + $metricFilter->resolve($macroValues), + $match + ) + ) { + $perfdata[$match[1]] = $max; + } + } + } + } + + $monObj = $service + ? [ + "apply Service \"{$icinga2CfgObjPrefix}_{$checkCommand}\" {", + " assign where host.vars.$icinga2CfgObjPrefix" + ] + : ["object Host \"{$icinga2CfgObjPrefix}_{$checkCommand}\" {"]; + + $monObj[] = " check_command = \"$icinga2CfgObjPrefix\""; + $monObj[] = ' check_interval = 30s'; + $monObj[] = " vars.$obscuredCheckCommandCustomVar = \"$checkCommand\""; + $monObj[] = " vars.$icinga2CfgObjPrefix = {"; + + foreach ($perfdata as $label => $max) { + $monObj[] = " \"$label\" = $max"; + } + + $monObj[] = ' }'; + $monObj[] = '}'; + + $result[] = implode("\n", $monObj); + } + + echo implode("\n\n", $result) . "\n"; + } + + /** + * Generate the cartesian product of the given array + * + * [ + * 'a' => ['b', 'c'], + * 'd' => ['e', 'f'] + * ] + * + * [ + * ['a' => 'b', 'd' => 'e'], + * ['a' => 'b', 'd' => 'f'], + * ['a' => 'c', 'd' => 'e'], + * ['a' => 'c', 'd' => 'f'] + * ] + * + * @param array[] $input + * + * @return array[] + */ + protected function cartesianProduct(array &$input) + { + $results = [[]]; + + foreach ($input as $key => & $values) { + $nextStep = []; + + foreach ($results as & $result) { + foreach ($values as $value) { + $nextStep[] = array_merge($result, [$key => $value]); + } + } + unset($result); + + $results = & $nextStep; + unset($nextStep); + } + unset($values); + + return $results; + } +} |