%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
define('NEWRELIC_API_BASE', 'https://api.newrelic.com');
/**
* Interacts with the New Relic Connect API
* @link newrelic.github.com/newrelic_api/
*/
class NewRelicAPI {
private $_api_key;
private $_account_id;
/**
* @param string $api_key New Relic API Key
* @param string $account_id optional
*/
function __construct($api_key, $account_id = '') {
$this->_api_key = $api_key;
$this->_account_id = $account_id;
}
/**
* @param string $api_call_url url path with query string used to define what to get from the NR API
* @throws Exception
* @return bool
*/
private function _get($api_call_url) {
$defaults = array(
'headers'=>'x-api-key:'.$this->_api_key
);
$url = NEWRELIC_API_BASE . $api_call_url;
$response = wp_remote_get($url, $defaults);
if (is_wp_error($response)) {
throw new Exception('Could not get data');
} elseif ($response['response']['code'] == 200) {
$return = $response['body'];
} else {
switch ($response['response']['code']) {
case '403':
$message = __('Invalid API key or Account ID', 'w3-total-cache');
break;
default:
$message = $response['response']['message'];
}
throw new Exception($message, $response['response']['code']);
}
return $return;
}
/**
* @param string $api_call_url url path with query string used to define what to get from the NR API
* @param array $params key value array.
* @throws Exception
* @return bool
*/
private function _put($api_call_url, $params) {
$defaults = array(
'method' => 'PUT',
'headers'=>'x-api-key:'.$this->_api_key,
'body' => $params
);
$url = NEWRELIC_API_BASE . $api_call_url;
$response = wp_remote_request($url, $defaults);
if (is_wp_error($response)) {
throw new Exception('Could not put data');
} elseif ($response['response']['code'] == 200) {
$return = true;
} else {
throw new Exception($response['response']['message'], $response['response']['code']);
}
return $return;
}
/**
* Get the Dashboard HTML fragment for provided application or for all applications connected with the API key
* @param int $application_id
* @return bool
*/
function get_dashboard($application_id = 0) {
if ($application_id)
$dashboard = $this->_get("/application_dashboard?application_id=$application_id");
else
$dashboard = $this->_get('/application_dashboard');
return $dashboard;
}
/**
* Get applications connected with the API key and provided account id.
* @param int $account_id
* @return array
*/
function get_applications($account_id = 0) {
if ($account_id == 0)
$account_id = $this->_account_id;
$applications = array();
if ($xml_string = $this->_get("/api/v1/accounts/{$account_id}/applications.xml")) {
$xml = simplexml_load_string($xml_string);
foreach($xml->application as $application) {
$applications[(int)$application->id] = (string)$application->name;
}
}
return $applications;
}
/**
* Get the application summary data for the provided application
* @param $application_id
* @return array array(metric name => metric value)
*/
function get_application_summary($application_id) {
$summary = array();
if ($xml_string = $this->_get("/api/v1/accounts/{$this->_account_id}/applications/{$application_id}/threshold_values.xml")) {
$xml = simplexml_load_string($xml_string);
foreach($xml->{'threshold_value'} as $value) {
$summary[(string)$value['name']] = (string)$value['formatted_metric_value'];
}
}
return $summary;
}
/**
* Return key value array with information connected to account.
* @return array|mixed|null
*/
function get_account() {
$account = null;
if ($xml_string = $this->_get('/api/v1/accounts.xml')) {
$xml = simplexml_load_string($xml_string);
foreach($xml->account as $account_values) {
$account=json_decode(json_encode((array) $account_values), 1);
break;
}
}
return $account;
}
/**
* Get key value array with application settings
* @param $application_id
* @return array|mixed
*/
function get_application_settings($application_id) {
$settings = array();
if ($xml_string = $this->_get("/api/v1/accounts/:account_id/application_settings/{$application_id}.xml")) {
$xml = simplexml_load_string($xml_string);
$settings=json_decode(json_encode((array) $xml), 1);
}
return $settings;
}
/**
* Update application settings. verifies the keys in provided settings array is acceptable
* @param $application_id
* @param $settings
* @return bool
*/
function update_application_settings($application_id, $settings) {
$supported = array('alerts_enabled', 'app_apdex_t','rum_apdex_t','rum_enabled');
$call = "/api/v1/accounts/{$this->_account_id}/application_settings/{$application_id}.xml";
$params = array();
foreach($settings as $key => $value) {
if (in_array($key, $supported))
$params[$key] = $value;
}
return $this->_put($call, $params);
}
/**
* Returns the available metric names for provided application
* @param $application_id
* @param string $regex
* @param string $limit
* @return array|mixed
*/
function get_metric_names($application_id, $regex = '', $limit = '') {
$call = "/api/v1/agents/{$application_id}/metrics.json";
$callQS = '';
$qs = array();
if ($regex)
$qs[] = 're=' . urlencode($regex);
if ($limit)
$qs[] = 'limit=' . $limit;
if ($qs)
$callQS = '?' . implode('&', $qs);
$json = $this->_get($call . $callQS);
$metric_names=json_decode($json);
return $metric_names;
}
/**
* Gets the metric data for the provided metric names.
* @param string $account_id
* @param string $application_id
* @param string $begin XML date in GMT
* @param string $to XML date in GMT
* @param array $metrics
* @param string $field
* @param bool $summary if values should be merged or overtime
* @return array|mixed
*/
function get_metric_data($account_id, $application_id, $begin, $to, $metrics, $field, $summary = true) {
$metricParamArray = array();
foreach($metrics as $metric) {
$metricParamArray[] = 'metrics[]=' . $metric;
}
$metricQS = implode('&', $metricParamArray);
$fieldsQS = 'field=' . $field;
$agentQS = 'agent_id=' . $application_id;
$beginQS = 'begin=' . $begin;
$toQS = 'end=' . $to;
$summaryQS = $summary ? 'summary=1' : 'summary=0';
$command = $beginQS . '&' . $toQS . '&' . $metricQS . '&' . $fieldsQS . '&' . $agentQS . '&' . $summaryQS;
$json = $this->_get("/api/v1/accounts/{$account_id}/metrics/data.json?{$command}");
$metric_data=json_decode($json);
return $metric_data;
}
}
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