AWS SDK for PHP のインストールから始めるクラウドマスターへの道〜 Promise による非同期オペレーション〜

© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Takayuki Shimizu @shimy_net
Solutions Architect, Amazon Web Services Japan K.K.
July 16, 2016 – PHP Conference Kansai 2016
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curl -sS https://getcomposer.org/installer | php
php composer.phar require aws/aws-sdk-php
<?php
require 'vendor/autoload.php';

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<?php
require '/path/to/aws.phar';
<?php
require '/path/to/aws-autoloader.php';

Phar
: http://yomikata.org/word/phar

AWS Service Provider for Laravel
Version 3.1.0 – For Version 3 of the AWS SDK for PHP and Laravel 5.1
Older Versions:
2.0 branch – For Version 2 of the AWS SDK for PHP and Laravel 5.0
1.0 branch – For Version 2 of the AWS SDK for PHP and Laravel 4.x
AWS SDK ZF2 Module (Zend Framework 2)
Version 2.1.0 – For Version 3 of the AWS SDK for PHP and ZF2
Older Versions:
1.2 branch – For Version 2 of the AWS SDK for PHP and ZF2
AWS Service Provider for Silex
Version 3.0.0 – For Version 3 of the AWS SDK for PHP and Silex 2
Older Versions:
2.0 branch – For Version 3 of the AWS SDK for PHP and Silex 1.x
1.1. branch – For Version 2 of the AWS SDK for PHP and Silex 1.x
Framework-specific modules support Version 3 of AWS SDK

•  i
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AWS SDK for PHP “Version 3”

•  composer.json
•  Factory -> New
Version 2 -> Version 3 iz
"require": {
- "aws/aws-sdk-php": "2.*"
+ "aws/aws-sdk-php": "3.*"
},
$ composer.phar update
$ec2client = Ec2Client::factory([
'region' => 'ap-northeast-1'
]);
$ec2client = new Ec2Client([
'region' => 'ap-northeast-1',
'version' => 'latest'
]);

•  AWS SDK for PHP Version 3 Guzzle Promises t b
Promises w c
•  SDK h API h
h h t b h Async
w c
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fulfill ub h reject c
n t W Promise
// Sync
$client->get()
// Async
$client->getAsync()

• 
// Result
$result = $s3Client->putObject([
    'Bucket' => 'your-bucket',
    'Key'    => 'docs/file.pdf',
    'Body'   => fopen('/path/to/file.pdf', 'r'),
]);

// Result
echo $result['ObjectURL'];
n t Promise fe
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// Promise
$promise = $s3Client->putObjectAsync([
    'Bucket' => 'your-bucket',
    'Key'    => 'docs/file.pdf',
    'Body'   => fopen('/path/to/file.pdf', 'r'),
]);

// Result
$result = $promise->wait();

// Result
echo $result['ObjectURL'];
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•

Promise
Promise
Promise W
•  Promise h
Promise
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Reject
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then
then
catch
Method Chain

$s3Client = new AwsS3S3Client([
    ‘region’ => ‘us-west-2’,
    ‘version’ => ‘2006-03-01’,
]);

// response
$buckets = $s3Client->listBuckets();

//
$promise = $s3Client->listBucketsAsync();

// request callback
$promise->then(
    //
    function (AwsResultInterface $buckets) {
        echo ‘My buckets are: ‘
             . implode(‘, ‘, $buckets->search(‘Buckets[].Name’));
    },
    //
    function ($reason) {
        echo "The promise was rejected with {$reason}";
    }
);
Promises
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•  h A V Q M t b h v
h – c
•  r h b h h
t v c

$filesToUpload = [
    ‘/path/to/file/1.ext’,
    …
];
$promises = [];
// putObjectAsync
foreach ($filesToUpload as $path) {
    $promises []= $s3Client->putObjectAsync([
        ‘Bucket’ => $bucketName,
        ‘Key’ => basename($path),
        ‘SourceFile’ => $path,
    ]);
}
// promise fulfilled fulfilled allPomise
$allPromise = GuzzleHttpPromiseall($promises);
$allPromise->wait();
Promises
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$sdk = new AwsSdk([‘region’ => ‘us-west-2’, ‘version’ => ‘latest’]);
$elasticacheClient = $sdk->get(‘elasticache’);
$s3Client = $sdk->get(‘s3’);
$promises = [];
// S3 bucket
for ($i = 0; $i < 3; $i++) {
    $promises []= $s3Client->createBucket([
        ‘Bucket’ => “my-bucket-$i”,
    ]);
}
// ElastiCache cluster
$cacheClusterId = uniqid(‘cache’);
$promises []= $elasticacheClient->createCacheCluster([
    ‘CacheClusterId’ => $cacheClusterId,
]);
// promise fulfilled fulfilled metaPomise
$metaPromise = GuzzleHttpPromiseall($promises);
$metaPromise->wait();
Waiters
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•  S3 buckets ElastiCache cluster b v r b y u
AWS h u p c
•  $metaPromise createBucket createCacheCluster h
v w c

$waiterPromises = [];
// S3 Waiter
for ($i = 0; $i < 3; $i++) {
    $waiter = $s3Client->getWaiter(‘BucketExists’, [
        ‘Bucket’ => “my-bucket-$i”,
    ]);
    // Waiter promise
    $waiterPromises []= $waiter->promise();
}
// ElastiCache cluster Waiter
$waiterPromises []= $elasticacheClient
    ->getWaiter(‘CacheClusterAvailable’, [
        ‘CacheClusterId’ => $cacheClusterId,
    ])
    ->promise();
// waiterPromise fulfilled fulfilled metaWaiterPomise
$metaWaiterPromise = GuzzleHttpPromiseall($waiterPromises);
$metaWaiterPromise->wait();
Waiters
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•  h v w r r vp c
•  s–bS3Client wailUntil s–b Bucket v v veeea
$s3Client->waitUntil(‘BucketExists’, [‘Bucket’ => $bucketName]);
http://docs.aws.amazon.com/aws-sdk-php/v3/guide/guide/waiters.html

Command Pool
•  h h Command Pool w c
•  Command Pool Client Command c b6V I L
b h getCommand w c
// S3Client
$s3Client = new AwsS3S3Client([
    ‘region’ => ‘us-west-2’,
    ‘version’ => ‘latest’,
]);

// Commands
$commands = [
    $s3Client->getCommand(‘ListObjects’, [‘Bucket’ => ‘bucket1’]),
];

// Command pool
$pool = new AwsCommandPool($s3Client, $commands);

// Commands
$promise = $pool->promise();

// pool
$promise->wait();
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>listObjectsAsync(…) h z v c b
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Command
Pool
http://docs.aws.amazon.com/aws-sdk-php/v3/guide/guide/commands.html#commandpool

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AWS SDK for PHP のインストールから始めるクラウドマスターへの道〜 Promise による非同期オペレーション〜

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