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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Plugins\TestRunner\Aws;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Aws\Ec2\Ec2Client;
class Instance
{
/**
* @var Config
*/
private $config;
/**
* @var Ec2Client
*/
private $client;
private $testSuite;
private $useOneInstancePerTestSuite = false;
public function __construct(Config $config, $testSuite)
{
$this->config = $config;
$this->testSuite = $testSuite;
$this->client = $this->createEc2Client();
}
public function enableUseOneInstancePerTestSuite()
{
$this->useOneInstancePerTestSuite = true;
}
public function findExisting()
{
$filters = array(
array('Name' => 'image-id', 'Values' => array($this->config->getAmi())),
array('Name' => 'key-name', 'Values' => array($this->config->getKeyName())),
array('Name' => 'instance-state-name', 'Values' => array('running')),
);
if (!empty($this->testSuite) && $this->useOneInstancePerTestSuite) {
$filters[] = array('Name' => 'tag:TestSuite', 'Values' => array($this->testSuite));
}
$instances = $this->client->describeInstances(array('Filters' => $filters));
$reservations = $instances->getPath('Reservations');
if (!empty($reservations)) {
$host = $this->getHostFromDescribedInstances($instances);
$instanceIds = $instances->getPath('Reservations/*/Instances/*/InstanceId');
$this->verifySetup($instanceIds);
return $host;
}
}
public function terminate($instanceIds)
{
$this->client->terminateInstances(array(
'InstanceIds' => $instanceIds
));
$this->client->waitUntilInstanceTerminated(array(
'InstanceIds' => $instanceIds
));
}
public function launch()
{
// user data is executed when instance launches, it is important that this file starts with "#!"
$userData = file_get_contents(PIWIK_INCLUDE_PATH . '/plugins/TestRunner/scripts/on_instance_launch.sh');
$result = $this->client->runInstances(array(
'ImageId' => $this->config->getAmi(),
'MinCount' => 1,
'MaxCount' => 1,
'InstanceType' => $this->config->getInstanceType(),
'KeyName' => $this->config->getKeyName(),
'SecurityGroups' => $this->config->getSecurityGroups(),
'InstanceInitiatedShutdownBehavior' => 'terminate',
'UserData' => base64_encode($userData)
));
$instanceIds = $result->getPath('Instances/*/InstanceId');
$this->client->waitUntilInstanceRunning(array(
'InstanceIds' => $instanceIds,
));
return $instanceIds;
}
public function setup($instanceIds)
{
$awsCloudWatch = new CloudWatch($this->config);
$awsCloudWatch->terminateInstanceIfIdleForTooLong($instanceIds);
$awsTags = new Tags($this->client);
$awsTags->assignTagsToInstances($instanceIds, $this->testSuite);
$instances = $this->client->describeInstances(array(
'InstanceIds' => $instanceIds,
));
$host = $this->getHostFromDescribedInstances($instances);
return $host;
}
public function verifySetup($instanceIds)
{
$awsCloudWatch = new CloudWatch($this->config);
$hasAlarms = $awsCloudWatch->hasAssignedAlarms($instanceIds);
if (!$hasAlarms) {
$this->setup($instanceIds); // try setup again
$hasAlarms = $awsCloudWatch->hasAssignedAlarms($instanceIds);
if (!$hasAlarms) { // declare it as failed if it still does not work
throw new \Exception('Failed to assign alarms for InstanceIds: ' . implode(', ' , $instanceIds));
}
}
}
/**
* @param \Guzzle\Service\Resource\Model $resources
* @return mixed
*/
private function getHostFromDescribedInstances($resources)
{
$instances = $resources->getPath('Reservations/*/Instances');
if (empty($instances)) {
return;
}
$instanceToUse = null;
foreach ($instances as $index => $instance) {
if (!empty($instance['Tags'])) {
foreach ($instance['Tags'] as $tag) {
if (!empty($this->testSuite)
&& $tag['Key'] === 'TestSuite'
&& $tag['Value'] === $this->testSuite) {
$instanceToUse = $instance;
}
}
}
}
if (empty($instanceToUse)) {
$instanceToUse = array_shift($instances);
}
$host = $instanceToUse['PublicDnsName'];
return $host;
}
private function createEc2Client()
{
return Ec2Client::factory($this->getConnectionOptions());
}
private function getConnectionOptions()
{
return array(
'key' => $this->config->getAccessKey(),
'secret' => $this->config->getSecretKey(),
'region' => $this->config->getRegion()
);
}
}
|
