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<?php |
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namespace CasperBoone\ZabbixGraph; |
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use DateTime; |
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use GuzzleHttp\Client as HttpClient; |
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class ZabbixGraph |
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{ |
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protected $httpClient; |
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protected $oldZabbix; |
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protected $username; |
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protected $password; |
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protected $width = 400; |
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protected $height = 200; |
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protected $startTime; |
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protected $endTime; |
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/** |
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* Construct and initalize ZabbixGraph. |
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* |
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* @param string $url Full url of Zabbix location |
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* @param string $username Zabbix username |
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* @param string $password Zabbix password |
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* @param bool $oldZabbix Set to true if using Zabbix 1.8 or older, by default set to false |
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*/ |
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public function __construct($url, $username, $password, $oldZabbix = false) |
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{ |
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$this->httpClient = $this->createHttpClient($url); |
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$this->oldZabbix = $oldZabbix; |
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$this->username = $username; |
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$this->password = $password; |
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$this->startTime = (new DateTime())->modify('-1 hour'); |
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$this->endTime = new DateTime(); |
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} |
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/** |
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* Create HTTP client for requesting the graph. The HTTP client should preserve cookies. |
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* |
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* @param string $url Full url of Zabbix location |
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* @return HttpClient |
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*/ |
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protected function createHttpClient($url) |
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{ |
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return new HttpClient([ |
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'base_uri' => $url, |
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'cookies' => true, |
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]); |
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} |
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/** |
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* Request graph from Zabbix and return a raw image. If an error |
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* occurred Zabbix will output this as an image. |
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* |
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* @param int $graphId ID of the graph to be requested |
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* @return string |
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*/ |
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public function find($graphId) |
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{ |
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$this->login(); |
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return $this->httpClient->get('chart2.php', [ |
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'query' => [ |
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'graphid' => $graphId, |
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'width' => $this->width, |
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'height' => $this->height, |
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'stime' => $this->startTime->getTimestamp(), |
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'period' => $this->endTime->getTimestamp() - $this->startTime->getTimestamp(), |
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], |
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])->getBody()->getContents(); |
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} |
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/** |
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* Login to Zabbix to acquire the needed session for requesting the graph. |
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*/ |
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protected function login() |
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{ |
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$this->httpClient->post('index.php', [ |
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'form_params' => [ |
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'name' => $this->username, |
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'password' => $this->password, |
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'enter' => 'Sign in', |
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], |
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]); |
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} |
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/** |
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* Specify width of the graph in pixels, by default 400. |
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* |
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* @param int $width Width in pixels |
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* @return $this |
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*/ |
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public function width($width) |
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{ |
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$this->width = $width; |
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return $this; |
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} |
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/** |
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* Specify height of the graph in pixels, by default 400. |
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* |
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* @param int $height Height in pixels |
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* @return $this |
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*/ |
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public function height($height) |
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{ |
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$this->height = $height; |
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return $this; |
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} |
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/** |
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* Specify start date and time of the data displayed in the graph. |
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* |
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* @param DateTime $startTime Start date and time |
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* @return $this |
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*/ |
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public function startTime(DateTime $startTime) |
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{ |
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$this->startTime = $startTime; |
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return $this; |
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} |
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/** |
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* Specify end date and time of the data displayed in the graph. |
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* |
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* @param DateTime $endTime End date and time |
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* @return $this |
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*/ |
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public function endTime(DateTime $endTime) |
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{ |
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$this->endTime = $endTime; |
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return $this; |
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} |
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} |
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casperboone /
zabbix-graph
