AWS小ネタ集

AWS http://www.ﬂickr.com/photos/mendhak/4271441910/

2011 11@dateofrock Ustream SQS

Happy Valentinehttp://www.ﬂickr.com/photos/pinksherbet/1483193019/

• S3 • •• S3 • • Pre-signed URL• Simple 2 • SNS • SimpleDB API http://www.ﬂickr.com/photos/mendhak/4271441910/

http://www.ﬂickr.com/photos/donsolo/2435421847/

• S3 • •• S3 • • Pre-signed URL• Simple 2 • SNS • SimpleDB API orz http://www.ﬂickr.com/photos/mendhak/4271441910/

Pre-signed URL• S3 URL• Query String Request Authentication http://docs.amazonwebservices.com/AmazonS3/latest/dev/ RESTAuthentication.html#RESTAuthenticationQueryStringAuth

Pre-signed URL

GET /images/photo.jpg?AWSAccessKeyId=0PN5J17HBGZHT7JJ3X82&Expires=1141889120&Signature=vjbyPxybdZaNmGa%2ByT272YEAiv4%3DSignature =URL-Encode( Base64( HMAC-SHA1( YourSecretAccessKeyID, UTF-8-Encoding-Of(StringToSign))));StringToSign = HTTP-VERB + "n" + Content-MD5 + "n" + Content-Type + "n" + Expires + "n" + CanonicalizedAmzHeaders + CanonicalizedResource;

JavaInterface AmazonS3java.net.URL generatePresignedUrl(java.lang.String bucketName, java.lang.String key, java.util.Date expiration, HttpMethod method) throws AmazonClientExceptionDate after5Seconds = new Date();after5Seconds.setTime(System.currentTimeMillis() + 5 * 1000);AmazonS3 s3 = new AmazonS3Client(cred);Url url = s3.generatePresignedUrl(“mybucket”, “images/photo.jpg”, after5Seconds, HttpMethod.GET);

RubyClass: AWS::S3::S3Object- (URI::HTTP, URI::HTTPS) url_for(method, options = {})url = s3.buckets[mybucket].objects[images/photo.jpg]. url_for(:read, :expires => 5)

Ruby RubyClass: AWS::S3::S3Object- (URI::HTTP, URI::HTTPS) url_for(method, options = {})url = s3.buckets[mybucket].objects[images/photo.jpg]. url_for(:read, :expires => 5)

Pre-signed URL

Pre-signed URL• Web • Pre-signed URL S3 • S3

JavaThread.setDefaultUncaughtExceptionHandler( new UncaughtExceptionHandler() { public void uncaughtException(Thread t, Throwable e) { " AWSCredentials cred = new BasicAWSCredentials( " "," "); " AmazonSNS sns = new AmazonSNSClient(cred); " String stackTrace = getStackTraceString(e); " sns.publish(new PublishRequest( " " " "arn:aws:sns:ap-northeast-1:xxxxx:sns-test", " " " stackTrace, "Java Exception"));" }" });

Ruby on Railsrequire rubygemsrequire aws-sdkclass ApplicationController < ActionController::Base rescue_from StandardError do |exception| topic = AWS::SNS::Topic.new( arn:aws:sns:ap-northeast-1:xxxxx:sns-test ) topic.publish(exception.backtrace.to_s, :subject => Rails exception); raise exception endend

SimpleDB API• • JDBC … •

SimpleDBData Mapper HibernateActiveRecord WO EOF

RubySDK SimpleDBData Mapper

class Book < AWS::Record::Base string_attr :titleendBook.new(:title => ).saveBook.where(title like ?, % %).count$ rails generate scaffold_controller Book title:stringconfig/routes.rb:Myapp::Application.routes.draw do resources :booksend http://aws.amazon.com/articles/8621639827664165

class Book < AWS::Record::Base string_attr :titleendBook.new(:title => ).save RailsBook.where(title like ?, % %).count$ rails generate scaffold_controller Book title:stringconfig/routes.rb:Myapp::Application.routes.draw do resources :booksend http://aws.amazon.com/articles/8621639827664165

Java• AWS SDK for Java API• JPA … https://github.com/appoxy/simplejpa

@DynamoDBTable(tableName = "BookTable")public class Book { private Long id; private String title; @DynamoDBHashKey public Long getId() { " return this.id; } @DynamoDBAttribute(attributeName = "title") public String getTitle() { " return this.title; } // setter}

DynamoDBMapperAWSCredentials cred = new BasicAWSCredentials( " ", " ");AmazonDynamoDB db = new AmazonDynamoDBClient(cred);DynamoDBMapper mapper = new DynamoDBMapper(db);Long key = 105L;Book book = mapper.load(Book.class, key);book.setTitle(" ");mapper.save(book);mapper.delete(book);

SimpleDBMapper

@SimpleDBDomain(domainName = "BookDomain")public class Book { @SimpleDBItemName public Long id; @SimpleDBAttribute(attributeName = "title") public String title;}

SimpleDBMapperAWSCredentials cred = new BasicAWSCredentials( " ", " ");AmazonSimpleDB db = new AmazonSimpleDBClient(cred);SimpleDBMapper mapper = new SimpleDBMapper(db);Long key = 105L;Book book = mapper.load(Book.class, key);book.setTitle(" ");mapper.save(book);mapper.delete(book);

simpledb-mapper• DynamoDBMapper API• • 1024byte Blob S3 • @SimpleDBVersion Optimistic Lock Conditional PUT/DELETE • API Fluent Interface

List<Book> books = mapper.from(Book.class). where("title", Like, "% %"). and("price", GreaterThan, 1000). orderBy("price", DESC). limit(10). fetch();

•• Simple•

dateofrock/simpledb-mapper

whttp://www.ﬂickr.com/photos/mendhak/4271441910/

Thank you! http://www.ﬂickr.com/photos/mendhak/4271441910/

AWS小ネタ集

by Takehito Tanabe on Feb 14, 2012

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AWS小ネタ集 — Presentation Transcript