AWS PHP SDK中的輸出不同於AWSCLI

Question

我試圖實現的主要目標是遍歷我在PHP中運行的EC2實例。

這真的很容易得到使用bash腳本的數據，如下圖所示：

bash腳本：

#!/bin/bash 
export AWS_ACCESS_KEY_ID="AKIDEXAMPLE" 
export AWS_SECRET_ACCESS_KEY="wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY" 
aws ec2 describe-instances --region="eu-west-1" --filter "Name=instance-state-name,Values=running" 

擊輸出：

{ 
    "Reservations": [ 
     { 
      "OwnerId": "58728357357", 
      "ReservationId": "r-0e0283649826935", 
      "Instances": [ 
       { 
        "SecurityGroups": [ 
         { 
          "GroupId": "sg-2fe333148", 
          "GroupName": "WEB" 
         } 
        ], 
        "PublicDnsName": "ec2-53-13-121-72.eu-west-1.compute.amazonaws.com", 
        "Architecture": "x86_64", 
        "LaunchTime": "2016-07-11T08:28:23.000Z", 
        "RootDeviceName": "/dev/sda1", 
        "BlockDeviceMappings": [ 
         { 
          "Ebs": { 

      // ... 

     } 
    ] 
} 

然而，當我嘗試下面的例子，使用相同的鍵，我會看到似乎是不可用的對象 - 或者至少該對象看起來像表示一個空的數據結構。

PHP文件：

<?php 
require __DIR__ . "/vendor/autoload.php"; 

$settings = [ 
    "version" => "latest", 
    "region" => "eu-west-1", 
    "credentials" => [ 
     "key" => "AKIDEXAMPLE", 
     "secret" => "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY", 
    ], 
]; 

$client = new \Aws\Ec2\Ec2Client($settings); 
$result = $client->describeInstances([ 
    "Filters" => [ 
     [ 
      "Name" => "instance-state-name", 
      "Value" => "running", 
     ] 
    ], 
]); 

var_dump($result); 

PHP輸出：

我究竟在我的意思是這個AWS \結果呢？

class Aws\Result#82 (1) { 
    private $data => 
    array(2) { 
    'Reservations' => 
    array(0) { 
    } 
    '@metadata' => 
    array(4) { 
     'statusCode' => 
     int(200) 
     'effectiveUri' => 
     string(35) "https://ec2.eu-west-1.amazonaws.com" 
     'headers' => 
     array(5) { 
     ... 
     } 
     'transferStats' => 
     array(1) { 
     ... 
     } 
    } 
    } 
} 

我錯過了PHP配置中的某些東西嗎？請有人能幫助我指出正確的方向嗎？

P.S.我在上面的例子中掩蓋了API密鑰。

Answer 1

EC2 :: DescribeInstances需要一個過濾器數組，每個過濾器都有一個字符串Name和一個字符串數組Values。在你的CLI例子中，你提供了Values的東西，而在你的PHP例子中，你提供了一個Value。該字段不被SDK識別，並且將被忽略。有關更多信息，請參閱the SDK API docs。

你的PHP應更新爲：

<?php 
require __DIR__ . "/vendor/autoload.php"; 

$settings = [ 
    "version" => "latest", 
    "region" => "eu-west-1", 
    "credentials" => [ 
     "key" => "AKIDEXAMPLE", 
     "secret" => "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY", 
    ], 
]; 

$client = new \Aws\Ec2\Ec2Client($settings); 
$result = $client->describeInstances([ 
    "Filters" => [ 
     [ 
      "Name" => "instance-state-name", 
      "Values" => ["running"], 
     ] 
    ], 
]); 

var_dump($result);