slack.inc.php

<?php

/**
 * Observium
 * @package    observium
 * @subpackage webui
 * @author     Rick Heil ([email protected])
 */
 
echo ("SENDING SLACK NOTIFICATION\n");

$slack_webhook = $config['alerts']['slack']['webhook_url'];

// Get a plain text link of the URL to the entity. The value in the array has <a> tags which we don't want here.
$entity_link = substr($message_tags['ENTITY_LINK'], 9);
$entity_link = substr($entity_link, 0, -65);

$pretext = $message_tags['ALERT_STATE'] . " - " . $message_tags['DEVICE_HOSTNAME'] . " [" . $message_tags['ENTITY_NAME'] . "] ";

$title = $message_tags['ALERT_STATE'] . " - " . $message_tags['DEVICE_HOSTNAME'];

// Set color based on alert state. Use blue if there's a doubt.
if ($message_tags['ALERT_STATE'] == "ALERT") {
	$color = "warning";
	}
else if ($message_tags['ALERT_STATE'] == "RECOVERY") {
	$color = "good";
	}
else {
	$color = "#439FE0";
	}

// Construct the message itself
$slack_attachment = array(
	'fallback'		=> $title,
	'title'			=> "Go to Observium page",
	'title_link'		=> $entity_link,
	'text'			=> $pretext,
	'color'			=> "$color"
	);

$slack_message = array(
	'text' 			=> $pretext,
	'attachments'	=> array($slack_attachment)
	);

$slack_json = json_encode($slack_message);

$curl_req = curl_init("$slack_webhook");
curl_setopt($curl_req, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($curl_req, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($curl_req, CURLOPT_POSTFIELDS, $slack_json);
curl_setopt($curl_req, CURLOPT_RETURNTRANSFER, true);

$request_result = curl_exec($curl_req);
curl_close($curl_req);

echo "Slack POST result: $request_result\n";

// EOF