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<?php
namespace Icinga\Module\Businessprocess\Clicommands;
use Exception;
use Icinga\Application\Logger;
use Icinga\Application\Modules\Module;
use Icinga\Cli\Command;
use Icinga\Module\Businessprocess\BpConfig;
use Icinga\Module\Businessprocess\BpNode;
use Icinga\Module\Businessprocess\HostNode;
use Icinga\Module\Businessprocess\Node;
use Icinga\Module\Businessprocess\ProvidedHook\Icingadb\IcingadbSupport;
use Icinga\Module\Businessprocess\State\IcingaDbState;
use Icinga\Module\Businessprocess\State\MonitoringState;
use Icinga\Module\Businessprocess\Storage\LegacyStorage;
class ProcessCommand extends Command
{
/**
* @var LegacyStorage
*/
protected $storage;
protected $hostColors = array(
0 => array('black', 'lightgreen'),
1 => array('lightgray', 'lightred'),
2 => array('black', 'brown'),
99 => array('black', 'lightgray'),
);
protected $serviceColors = array(
0 => array('black', 'lightgreen'),
1 => array('black', 'yellow'),
2 => array('lightgray', 'lightred'),
3 => array('black', 'lightpurple'),
99 => array('black', 'lightgray'),
);
public function init()
{
$this->storage = LegacyStorage::getInstance();
}
/**
* List all available Business Process Configurations
*
* ...or their BusinessProcess Nodes in case a Configuration name is given
*
* USAGE
*
* icingacli businessprocess list processes [<config-name>] [options]
*
* OPTIONS
*
* <config-name>
* --no-title Show only names and no related title
*/
public function listAction()
{
if ($config = $this->params->shift()) {
$this->listBpNames($this->storage->loadProcess($config));
} else {
$this->listConfigNames(! (bool) $this->params->shift('no-title'));
}
}
protected function listConfigNames($withTitle)
{
foreach ($this->storage->listProcesses() as $key => $title) {
if ($withTitle) {
echo $title . "\n";
} else {
echo $key . "\n";
}
}
}
/**
* Check a specific process
*
* USAGE
*
* icingacli businessprocess process check <process> [options]
*
* OPTIONS
*
* --config <configname> Name of the config that contains <process>
* --details Show problem details as a tree
* --colors Show colored output
* --state-type <type> Define which state type to look at. Could be
* either soft or hard, overrides an eventually
* configured default
* --blame Show problem details as a tree reduced to the
* nodes which have the same state as the business
* process
* --root-cause Used in combination with --blame. Only shows
* the path of the nodes which are responsible for
* the state of the business process
* --downtime-is-ok Treat hosts/services in downtime always as
* UP/OK.
* --ack-is-ok Treat acknowledged hosts/services always as
* UP/OK.
*/
public function checkAction()
{
$nodeName = $this->params->shift();
if (! $nodeName) {
Logger::error('A process name is required');
exit(1);
}
$name = $this->params->get('config');
try {
if ($name === null) {
$name = $this->getFirstProcessName();
}
$bp = $this->storage->loadProcess($name);
} catch (Exception $err) {
Logger::error("Can't access configuration '%s': %s", $name, $err->getMessage());
exit(3);
}
if (null !== ($stateType = $this->params->get('state-type'))) {
if ($stateType === 'soft') {
$bp->useSoftStates();
}
if ($stateType === 'hard') {
$bp->useHardStates();
}
}
try {
/** @var BpNode $node */
$node = $bp->getNode($nodeName);
if (Module::exists('icingadb')
&& (! $bp->hasBackendName() && IcingadbSupport::useIcingaDbAsBackend())
) {
IcingaDbState::apply($bp);
} else {
MonitoringState::apply($bp);
}
if ($bp->hasErrors()) {
Logger::error("Checking Business Process '%s' failed: %s\n", $name, $bp->getErrors());
exit(3);
}
} catch (Exception $err) {
Logger::error("Checking Business Process '%s' failed: %s", $name, $err);
exit(3);
}
if ($this->params->shift('ack-is-ok')) {
Node::setAckIsOk();
}
if ($this->params->shift('downtime-is-ok')) {
Node::setDowntimeIsOk();
}
printf("Business Process %s: %s\n", $node->getStateName(), $node->getAlias());
if ($this->params->shift('details')) {
echo $this->renderProblemTree($node->getProblemTree(), $this->params->shift('colors'));
}
if ($this->params->shift('blame')) {
echo $this->renderProblemTree(
$node->getProblemTreeBlame($this->params->shift('root-cause')),
$this->params->shift('colors')
);
}
exit($node->getState());
}
protected function listBpNames(BpConfig $config)
{
foreach ($config->listBpNodes() as $title) {
echo $title . "\n";
}
}
protected function renderProblemTree($tree, $useColors = false, $depth = 0, BpNode $parent = null)
{
$output = '';
foreach ($tree as $name => $subtree) {
/** @var Node $node */
$node = $subtree['node'];
$state = $parent !== null ? $parent->getChildState($node) : $node->getState();
if ($node instanceof HostNode) {
$colors = $this->hostColors[$state];
} else {
$colors = $this->serviceColors[$state];
}
$state = sprintf('[%s]', $node->getStateName($state));
if ($useColors) {
$state = $this->screen->colorize($state, $colors[0], $colors[1]);
}
$output .= sprintf(
"%s%s %s %s\n",
str_repeat(' ', $depth),
$node instanceof BpNode ? $node->getOperator() : '-',
$state,
$node->getAlias()
);
if ($node instanceof BpNode) {
$output .= $this->renderProblemTree($subtree['children'], $useColors, $depth + 1, $node);
}
}
return $output;
}
protected function getFirstProcessName()
{
$list = $this->storage->listProcessNames();
return key($list);
}
}
|