public function testMetricOperations()
{
$namespace = 'AWSSDKPHP';
$metricName = 'CloudWatchTests';
$dimensions = array(array('Name' => 'Prefix', 'Value' => $this->getResourcePrefix()));
self::log('Put some data to a metric.');
$this->cloudwatch->putMetricData(array('Namespace' => $namespace, 'MetricData' => array(array('MetricName' => $metricName, 'Timestamp' => time(), 'Value' => rand(1, 20) + rand(1, 59) / 100, 'Unit' => Unit::KILOBYTES, 'Dimensions' => $dimensions))));
self::log('Make sure the metric exists.');
$found = false;
foreach ($this->cloudwatch->getIterator('ListMetrics', array('Namespace' => $namespace)) as $metric) {
if ($found = $metric['MetricName'] == $metricName && $metric['Dimensions'] == $dimensions) {
break;
}
}
if (!$found) {
$this->markTestSkipped('The CloudWatch metric you created has not yet been picked up by CloudWatch. This ' . 'can take up to 15 minutes to occur. Please run this test again later.');
}
self::log('Verify the statistics of the data that has been put.');
$result = $this->cloudwatch->getMetricStatistics(array('Namespace' => $namespace, 'MetricName' => $metricName, 'Dimensions' => $dimensions, 'StartTime' => strtotime('-1 days'), 'EndTime' => strtotime('now'), 'Period' => 3000, 'Statistics' => array(Statistic::MAXIMUM, Statistic::MINIMUM)));
$min = min($result->getPath('Datapoints/*/Minimum'));
$max = max($result->getPath('Datapoints/*/Maximum'));
$this->assertGreaterThan(1, $min);
$this->assertLessThan(22, $max);
}
public function getConsumedCapacity($indexName = self::PRIMARY_INDEX, $period = 60, $num_of_period = 5, $timeshift = -300)
{
$cloudwatch = new CloudWatchClient(["profile" => $this->config['profile'], "region" => $this->config['region'], "version" => "2010-08-01"]);
$end = time() + $timeshift;
$end -= $end % $period;
$start = $end - $num_of_period * $period;
$requestArgs = ["Namespace" => "AWS/DynamoDB", "Dimensions" => [["Name" => "TableName", "Value" => $this->tableName]], "MetricName" => "ConsumedReadCapacityUnits", "StartTime" => date('c', $start), "EndTime" => date('c', $end), "Period" => 60, "Statistics" => ["Sum"]];
if ($indexName != self::PRIMARY_INDEX) {
$requestArgs['Dimensions'][] = ["Name" => "GlobalSecondaryIndexName", "Value" => $indexName];
}
$result = $cloudwatch->getMetricStatistics($requestArgs);
$total_read = 0;
$total_count = 0;
foreach ($result['Datapoints'] as $data) {
$total_count++;
$total_read += $data['Sum'];
}
$readUsed = $total_count ? $total_read / $total_count / 60 : 0;
$requestArgs['MetricName'] = 'ConsumedWriteCapacityUnits';
$result = $cloudwatch->getMetricStatistics($requestArgs);
$total_write = 0;
$total_count = 0;
foreach ($result['Datapoints'] as $data) {
$total_count++;
$total_write += $data['Sum'];
}
$writeUsed = $total_count ? $total_write / $total_count / 60 : 0;
return [$readUsed, $writeUsed];
}
require 'vendor/autoload.php';
use Aws\CloudWatch\CloudWatchClient;
use Symfony\Component\Yaml\Yaml;
try {
$file = realpath(dirname(__FILE__)) . '/config/config.yml';
if ($file && file_exists($file)) {
$config = Yaml::parse(file_get_contents($file));
} else {
die('No config.yml was found. Use config/config.yml.sample as base example');
}
$client = new CloudWatchClient(['region' => $config['amazon']['amazonRegion'], 'version' => $config['amazon']['amazonVersion'], 'credentials' => ['key' => $config['amazon']['amazonKey'], 'secret' => $config['amazon']['amazonSecret']]]);
$date = new DateTime(null, new DateTimeZone('America/Toronto'));
$endTime = $date->getTimestamp();
$date = $date->sub(new DateInterval('P1D'));
$startTime = $date->getTimestamp();
$metrics = $client->getMetricStatistics(['Namespace' => 'AWS/RDS', 'MetricName' => 'FreeStorageSpace', 'DBInstanceIdentifier' => $config['amazon']['amazonRDSdb'], 'StartTime' => $startTime, 'EndTime' => $endTime, 'Period' => 3600 * 6, 'Statistics' => ['Maximum'], 'Unit' => 'Bytes']);
if (is_object($metrics)) {
$dataList = $metrics['Datapoints'];
$x = sizeof($dataList);
if ($x > 0) {
foreach ($dataList as $data) {
$size = number_format($data['Maximum'] / 1073741824, 2) . ' GB';
$pct = number_format($size * 100 / 307.2, 2);
echo "[{$x}] " . $size . " or {$pct}% of space still available" . PHP_EOL;
// Space available to use
$x--;
}
}
}
} catch (Aws\CloudWatch\Exception\CloudWatchException $e) {
echo $e->getMessage();
