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<?php |
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namespace CloudWatchScript\Plugins; |
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use CloudWatchScript\AbstractMonitoring; |
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/** |
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* Check Solr using ping URL. |
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* Add and configure the folliwong lines to the config file |
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* "Memory" : { |
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* "name" : "Name of metric and alarm", |
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* "maxUsed": 90, |
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* "namespace": "Metric/Namespace", |
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* "description": "Description" |
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* } |
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*/ |
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class MemoryMonitoring extends AbstractMonitoring |
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{ |
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private $maxUsed; |
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/** |
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* @param array $config |
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* @param String $name |
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*/ |
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public function __construct($config, $name) |
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{ |
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parent::__construct($config, $name); |
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$this->maxUsed = $this->config->maxUsed; |
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} |
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/** |
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* @return integer Percentage of use memory |
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*/ |
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public function getMetric() |
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{ |
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$free = shell_exec('free'); |
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$free = (string)trim($free); |
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$free_arr = explode("\n", $free); |
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$mem = explode(" ", $free_arr[1]); |
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$mem = array_filter($mem); |
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$mem = array_merge($mem); |
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// ( Memory used - cached ) / Total memory |
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return ( $mem[2] - $mem[6] )/$mem[1]*100; |
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} |
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/** |
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* @return string "None" |
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*/ |
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public function getUnit() |
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{ |
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return "Percent"; |
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} |
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/** |
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* @return array Alarm max for memory used |
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*/ |
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public function getAlarms() |
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{ |
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return array( |
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array("ComparisonOperator" => "GreaterThanThreshold", |
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"Threshold" => $this->maxUsed, |
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"Name" => $this->name . " exceed " . $this->config->maxUsed . " %") |
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); |
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} |
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} |
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fauguste /
cloudwatch-script-php
