public function __construct(StoryTeller $st, $params = array())
{
// call our parent
parent::__construct($st, $params);
// remember the name of this VM
$this->amiId = $params[0];
// get the data about the instance from EC2
$this->image = fromEc2()->getImage($this->amiId);
}
public function __construct(StoryTeller $st, $params = array())
{
// call our parent
parent::__construct($st, $params);
// get the VM details from the hosts table
$this->vmDetails = fromHostsTable()->getDetailsForHost($params[0]);
if ($this->vmDetails) {
// remember the name of this VM
$this->instanceName = $this->vmDetails->ec2Name;
// get the data about the instance from EC2
$this->instance = fromEc2()->getInstance($this->instanceName);
// add the instance data to the vmDetails too, to keep that
// up to date
$this->vmDetails->ec2Instance = $this->instance;
}
}
/**
*
* @param Ec2VmDetails $vmDetails
* @return boolean
*/
public function isRunning($vmDetails)
{
// what are we doing?
$log = usingLog()->startAction("determine status of EC2 VM '{$vmDetails->hostId}'");
// get the instance data
$instance = fromEc2()->getInstance($vmDetails->hostId);
if (!$instance) {
$log->endAction("no such instance");
return false;
}
$isRunning = fromEc2InstanceIsRunning($vmDetails->ec2Name)->getInstanceIsRunning();
if (!$isRunning) {
$log->endAction("VM is not running");
return false;
}
// all done
$log->endAction("VM is running");
return true;
}
public function markAllVolumesAsDeleteOnTermination()
{
$this->requiresValidHost(__METHOD__);
// what are we doing?
$log = usingLog()->startAction("mark all volumes on EC2 VM '{$this->instanceName}' to be deleted on termination");
// create a list of all of the volumes we're going to modify
$ebsVolumes = array();
foreach ($this->instance['BlockDeviceMappings'] as $origEbsVolume) {
$ebsVolume = array('DeviceName' => $origEbsVolume['DeviceName'], 'Ebs' => array('DeleteOnTermination' => true));
$ebsVolumes[] = $ebsVolume;
}
// get the AWS EC2 client to work with
$ec2Client = fromAws()->getEc2Client();
// let's mark all of the volumes as needing to be deleted
// on termination
$ec2Client->modifyInstanceAttribute(array('InstanceId' => $this->instance['InstanceId'], 'BlockDeviceMappings' => $ebsVolumes));
// now, we need to make sure that actually worked
$this->instance = fromEc2()->getInstance($this->instanceName);
// var_dump("\n\n\nAFTER MODIFY INSTANCE ATTRIBUTE\n\n");
// var_dump($this->instance);
// that should be that
$log->endAction();
}
