tomellis/start-instance-form.php

## start-instance-form.php
<?php

// Source AWS PHP SDK functions
require_once '../sdk.class.php';

// Instantiate the AmazonEC2 class
$options = array(
        'key' => 'ENTER-YOUR-ACCESS-KEY-HERE',
        'secret' => 'ENTER-YOUR-SECRET-KEY-HERE',
);
$ec2 = new AmazonEC2($options);
$ec2->enable_debug_mode();
$ec2->disable_ssl();
$ec2->set_hostname("http://eucalyptus.YOURDOMAIN.COM:8773/services/Eucalyptus");

if (!isset($_POST['submit'])) { // if page is not submitted to itself echo the form
?>
<html>
<head>
  <title>Run an instance</title>
</head>
<body>
  <form method="post" action="<?php echo $PHP_SELF;?>">
    Image:<select name="emi-id">
    <?php

        // grab list of available EMI
        $response = $ec2->describe_images();

        // error if response is not ok
        if (!($response->isOK())) {
            echo "<p class='error'>ERROR! Could not retrieve instance list!</p>";
        return;
        }

        // Create empty array. We need to sort images as they could be eki, eri or emi. We only want emi.
        $images = array(  );

        // Get all image ids and push them into array $images
        foreach ($response->body->imagesSet->item as $item) {
            $image = (string) $item->imageId;
            array_push($images, $image);
        }

        // grep array and return an array containing only emis
        $emis = preg_grep('/^emi*/',$images);

        // For every emi, add another option in the drop-down box
        foreach ($emis as $emi) {
            echo "<option value='" .$emi. "'>" .$emi.  "</option>";
        }
    ?>

     </select><br />
    Zone:<select name="zone-id">
    <?php

        // grab list of available Availability Zones
                $response = $ec2->describe_availability_zones();


        // error if response is not ok
        if (!($response->isOK())) {
            echo "<p class='error'>ERROR! Could not retrieve zone list!</p>";
        return;
        }

                // Get all zones
        foreach ($response->body->availabilityZoneInfo->item as $item) {
            $zone = (string) $item->zoneName;
            echo "<option value='" .$zone. "'>" .$zone.  "</option>";
        }

    ?>
    </select><br />
    Instance Type: <select name="instancetype">
                     <option value="m1.small">m1.small</option>
                     <option value="c1.medium">c1.medium</option>
                     <option value="m1.large">m1.large</option>
                     <option value="m1.xlarge">m1.xlarge</option>
                     <option value="c1.xlarge">c1.xlarge</option>
                   </select><br />
    Amount:<input type="number" name="amount" min="1" max="20" value="1"><br />

    <input type="submit" value="Launch" name="submit">
  </form>
</body>
</html>
<?php
}
else {

// Grab elements from form
$emi = $_POST["emi-id"];
$instancetype = $_POST['instancetype'];
$zoneid = $_POST['zone-id'];
$keyname = "my-key";
$securitygroup = "default";
$amount = $_POST['amount'];
$sleeptime = 30;
$username = root;

// Boot an instance of the image
$response = $ec2->run_instances($emi, $amount, $amount, array(

    'KeyName' => $keyname,
    'InstanceType' => $instancetype,
    'SecurityGroup' => $securitygroup,
    'Placement'     => array('AvailabilityZone' => $zoneid),
    ));
        if (!($response->isOK())) {
        echo "<p class='error'>ERROR! Could not create new instance!</p>";
        return;
        }

$instance = $response->body->instancesSet->item->instanceId;
$message .= "<p>Your instance has been successfully created.</p>";
$message .= ("<p>Instance ID is: <b>$instance</b><br />");
$instance = $response->body->instancesSet->item->instanceType;
$message .= ("Instance Type is: <b>$instancetype</b><br />");
$instance = $response->body->instancesSet->item->Placement;
$message .= ("Instance is launched in: <b>$zoneid</b></p>");


// Give instance some time to start up
sleep ($sleeptime);

// Get the hostname from a call to the DescribeImages operation.
$response = $ec2->describe_instances($instance);
        if (!($response->isOK())) {
        echo "<p class='error'>ERROR! Could not retrieve hostname for instance!</p>";
        return;
}

$hostname = $response->body->reservationSet->item->instancesSet->item->dnsName;

// Output the message
$message .= "<p>Your instance hostname is: <b>$hostname</b></p>";
$message .= "<p>You can connect to your instance using this command:<br>" .
        "<b>ssh -i $keyname.pem $username@" .$hostname.  "</b></p>";

echo $message;
}

// Query current instances
$response = $ec2->describe_instances();
if (!($response->isOK())) {
        echo "<p class='error'>ERROR! Could not retrieve instance list!</p>";
        return;
}

// Display instances
echo "<table align='left' border='1'>";
echo "<tr><b><td>Instance-Id</td><td>State</td><td>Public DNS</td><td>Instance-Type</td><td>Launch Time</td><td>Availability Zone</td></b></tr>";
foreach ($response->body->reservationSet->item as $item)
{
  $instanceId = (string) $item->instancesSet->item->instanceId;

  $instanceState = (string) $item->instancesSet->item->instanceState->name;
  $instancePubDNS = (string) $item->instancesSet->item->dnsName;
  $instanceType = (string) $item->instancesSet->item->instanceType;
  $instanceTime = (string) $item->instancesSet->item->launchTime;
  $instanceLoc = (string) $item->instancesSet->item->placement->availabilityZone;
echo '<tr> <td> ' . $instanceId . ' </td> <td>' . $instanceState . '</td> <td>' . $instancePubDNS . '</td> <td>' . $instanceType . '</td> <td>' . $instanceTime . ' </td> <td>' . $instanceLoc . '</td> </tr>';
}
echo "</table>";

?>
	<?php

	// Source AWS PHP SDK functions
	require_once '../sdk.class.php';

	// Instantiate the AmazonEC2 class
	$options = array(
	'key' => 'ENTER-YOUR-ACCESS-KEY-HERE',
	'secret' => 'ENTER-YOUR-SECRET-KEY-HERE',
	);
	$ec2 = new AmazonEC2($options);
	$ec2->enable_debug_mode();
	$ec2->disable_ssl();
	$ec2->set_hostname("http://eucalyptus.YOURDOMAIN.COM:8773/services/Eucalyptus");

	if (!isset($_POST['submit'])) { // if page is not submitted to itself echo the form
	?>
	<html>
	<head>
	<title>Run an instance</title>
	</head>
	<body>
	<form method="post" action="<?php echo $PHP_SELF;?>">
	Image:<select name="emi-id">
	<?php

	// grab list of available EMI
	$response = $ec2->describe_images();

	// error if response is not ok
	if (!($response->isOK())) {
	echo "<p class='error'>ERROR! Could not retrieve instance list!</p>";
	return;
	}

	// Create empty array. We need to sort images as they could be eki, eri or emi. We only want emi.
	$images = array( );

	// Get all image ids and push them into array $images
	foreach ($response->body->imagesSet->item as $item) {
	$image = (string) $item->imageId;
	array_push($images, $image);
	}

	// grep array and return an array containing only emis
	$emis = preg_grep('/^emi*/',$images);

	// For every emi, add another option in the drop-down box
	foreach ($emis as $emi) {
	echo "<option value='" .$emi. "'>" .$emi. "</option>";
	}
	?>

	</select><br />
	Zone:<select name="zone-id">
	<?php

	// grab list of available Availability Zones
	$response = $ec2->describe_availability_zones();


	// error if response is not ok
	if (!($response->isOK())) {
	echo "<p class='error'>ERROR! Could not retrieve zone list!</p>";
	return;
	}

	// Get all zones
	foreach ($response->body->availabilityZoneInfo->item as $item) {
	$zone = (string) $item->zoneName;
	echo "<option value='" .$zone. "'>" .$zone. "</option>";
	}

	?>
	</select><br />
	Instance Type: <select name="instancetype">
	<option value="m1.small">m1.small</option>
	<option value="c1.medium">c1.medium</option>
	<option value="m1.large">m1.large</option>
	<option value="m1.xlarge">m1.xlarge</option>
	<option value="c1.xlarge">c1.xlarge</option>
	</select><br />
	Amount:<input type="number" name="amount" min="1" max="20" value="1"><br />

	<input type="submit" value="Launch" name="submit">
	</form>
	</body>
	</html>
	<?php
	}
	else {

	// Grab elements from form
	$emi = $_POST["emi-id"];
	$instancetype = $_POST['instancetype'];
	$zoneid = $_POST['zone-id'];
	$keyname = "my-key";
	$securitygroup = "default";
	$amount = $_POST['amount'];
	$sleeptime = 30;
	$username = root;

	// Boot an instance of the image
	$response = $ec2->run_instances($emi, $amount, $amount, array(

	'KeyName' => $keyname,
	'InstanceType' => $instancetype,
	'SecurityGroup' => $securitygroup,
	'Placement' => array('AvailabilityZone' => $zoneid),
	));
	if (!($response->isOK())) {
	echo "<p class='error'>ERROR! Could not create new instance!</p>";
	return;
	}

	$instance = $response->body->instancesSet->item->instanceId;
	$message .= "<p>Your instance has been successfully created.</p>";
	$message .= ("<p>Instance ID is: <b>$instance</b><br />");
	$instance = $response->body->instancesSet->item->instanceType;
	$message .= ("Instance Type is: <b>$instancetype</b><br />");
	$instance = $response->body->instancesSet->item->Placement;
	$message .= ("Instance is launched in: <b>$zoneid</b></p>");


	// Give instance some time to start up
	sleep ($sleeptime);

	// Get the hostname from a call to the DescribeImages operation.
	$response = $ec2->describe_instances($instance);
	if (!($response->isOK())) {
	echo "<p class='error'>ERROR! Could not retrieve hostname for instance!</p>";
	return;
	}

	$hostname = $response->body->reservationSet->item->instancesSet->item->dnsName;

	// Output the message
	$message .= "<p>Your instance hostname is: <b>$hostname</b></p>";
	$message .= "<p>You can connect to your instance using this command:<br>" .
	"<b>ssh -i $keyname.pem $username@" .$hostname. "</b></p>";

	echo $message;
	}

	// Query current instances
	$response = $ec2->describe_instances();
	if (!($response->isOK())) {
	echo "<p class='error'>ERROR! Could not retrieve instance list!</p>";
	return;
	}

	// Display instances
	echo "<table align='left' border='1'>";
	echo "<tr><b><td>Instance-Id</td><td>State</td><td>Public DNS</td><td>Instance-Type</td><td>Launch Time</td><td>Availability Zone</td></b></tr>";
	foreach ($response->body->reservationSet->item as $item)
	{
	$instanceId = (string) $item->instancesSet->item->instanceId;

	$instanceState = (string) $item->instancesSet->item->instanceState->name;
	$instancePubDNS = (string) $item->instancesSet->item->dnsName;
	$instanceType = (string) $item->instancesSet->item->instanceType;
	$instanceTime = (string) $item->instancesSet->item->launchTime;
	$instanceLoc = (string) $item->instancesSet->item->placement->availabilityZone;
	echo '<tr> <td> ' . $instanceId . ' </td> <td>' . $instanceState . '</td> <td>' . $instancePubDNS . '</td> <td>' . $instanceType . '</td> <td>' . $instanceTime . ' </td> <td>' . $instanceLoc . '</td> </tr>';
	}
	echo "</table>";

	?>