[英]How to get list of EC2 instances with Amazon PHP SDK 2?
為此使用DescribeInstances方法。 讓我們用更多的細節來說明這一點。
您需要先獲取 Ec2Client 實例。 初始化客戶端的最簡單方法:
$config = array();
$config['key'] = 'key';
$config['secret'] = 'secret';
$config['region'] = 'us-east-1';
$config['version'] = 'latest'; // Or Specified
$ec2Client = \Aws\Ec2\Ec2Client::factory($config);
然后只需調用DescribeInstances
方法。
$result = $ec2Client->DescribeInstances(array(
'Filters' => array(
array('Name' => 'instance-type', 'Values' => array('m1.small')),
)
));
您可以在 Amazon DescribeInstances API 方法頁面上獲取可用過濾器的列表。
但是等等,這里有什么困難?
Filters
。 在 API 中它被稱為Filter
Values
的調用方式與 API 不同,它是一個數組是的,這在文檔中都有描述。 但是,如果您查看一些舊 API 使用示例,您會發現語法發生了變化,這可能真的很難注意到這些示例中必須更新哪些內容才能使其正常工作。
為了完成這個例子,讓我展示一些簡單的結果輸出。
$reservations = $result['Reservations'];
foreach ($reservations as $reservation) {
$instances = $reservation['Instances'];
foreach ($instances as $instance) {
$instanceName = '';
foreach ($instance['Tags'] as $tag) {
if ($tag['Key'] == 'Name') {
$instanceName = $tag['Value'];
}
}
echo 'Instance Name: ' . $instanceName . PHP_EOL;
echo '---> State: ' . $instance['State']['Name'] . PHP_EOL;
echo '---> Instance ID: ' . $instance['InstanceId'] . PHP_EOL;
echo '---> Image ID: ' . $instance['ImageId'] . PHP_EOL;
echo '---> Private Dns Name: ' . $instance['PrivateDnsName'] . PHP_EOL;
echo '---> Instance Type: ' . $instance['InstanceType'] . PHP_EOL;
echo '---> Security Group: ' . $instance['SecurityGroups'][0]['GroupName'] . PHP_EOL;
}
}
維克多的回答很好,但它對我不起作用,因為我錯過了一行:
$reservations=$result->toArray();
Amazon PHP SDK 2 為許多事物(包括這個)返回 Guzzle Model 對象,並且它們需要在 foreach 工作之前轉換為數組。 更多信息在這里:
http://guzzlephp.org/api/class-Guzzle.Service.Resource.Model.html
這對 Victor 很有幫助,嘿,voidstin,在我的情況下不需要 [$reservations=$result->toArray();]
require "aws.phar";
use Aws\Ec2\Ec2Client;
use Aws\Common\Enum\Region;
$aws = Ec2Client::factory(array(
'key' => 'XXXXXX', //Your key and secret key are found at https://portal.aws.amazon.com/gp/aws/securityCredentials
'secret' => 'XXXXXX',
'region' => 'XXXXXX' //This is the server cluster we are connecting to. US_EAST_1 is Northern Virginia. US_WEST_1 is Northern California. US_WEST_2 is Oregon
));
$result = $aws->DescribeInstances();
$reservations = $result['Reservations'];
foreach ($reservations as $reservation) {
$instances = $reservation['Instances'];
foreach ($instances as $instance) {
$instanceName = '';
foreach ($instance['Tags'] as $tag) {
if ($tag['Key'] == 'Name') {
$instanceName = $tag['Value'];
}
}
echo 'Instance Name: ' . $instanceName . PHP_EOL;
echo '<br>';
echo '---> State: ' . $instance['State']['Name'] . PHP_EOL;
echo '<br>';
echo '---> Instance ID: ' . $instance['InstanceId'] . PHP_EOL;
echo '<br>';
echo '---> Image ID: ' . $instance['ImageId'] . PHP_EOL;
echo '<br>';
echo '---> Private Dns Name: ' . $instance['PrivateDnsName'] . PHP_EOL;
echo '<br>';
echo '---> Instance Type: ' . $instance['InstanceType'] . PHP_EOL;
echo '<br>';
echo '---> Security Group: ' . $instance['SecurityGroups'][0]['GroupName'] . PHP_EOL;
echo '<br>';
echo '-----------------------------------------------------------------------------------------------------';
echo '<br>';
echo '<br>';
}
}
為了獲得PublicDnsName
列表,您可以使用以下代碼:
use Aws\Ec2\Ec2Client;
$ec2 = Ec2Client::factory($config);
$args = [
'Filters' => [
['Name' => 'tag:Name', 'Values' => ['*{{your-tag}}*']],
]
];
$data = $ec2->DescribeInstances($args)->toArray();
$instances = [];
array_walk_recursive($data, function ($value, $key) use (&$instances) {
if ($key === 'PublicDnsName') {
$instances[$value] = true;
}
});
var_export($instances);
你會收到這樣的信息:
array (
'ec2-*-*-*-*.eu-west-1.compute.amazonaws.com' => true,
'ec2-*-*-*-*.eu-west-1.compute.amazonaws.com' => true,
'ec2-*-*-*-*.eu-west-1.compute.amazonaws.com' => true,
'ec2-*-*-*-*.eu-west-1.compute.amazonaws.com' => true,
'ec2-*-*-*-*.eu-west-1.compute.amazonaws.com' => true,
'ec2-*-*-*-*.eu-west-1.compute.amazonaws.com' => true,
)
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