AWScala enables Scala developers to easily work with Amazon Web Services in the Scala way.
Though AWScala objects basically extend AWS SDK for Java APIs, you can use them with less stress on Scala REPL or sbt console.
http://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/
- AWS Identity and Access Management (IAM)
- AWS Security Token Service (STS)
- Amazon Elastic Compute Cloud (Amazon EC2)
- Amazon Simple Storage Service (Amazon S3)
- Amazon Simple Queue Service（Amazon SQS）
- Amazon Redshift
- Amazon DynamoDB
- Amazon SimpleDB
- AWS Step Functions
To pull in all modules:
libraryDependencies += "com.github.seratch" %% "awscala" % "0.9.+"To pull in only selected modules:
libraryDependencies ++= Seq(
"com.github.seratch" %% "awscala-ec2" % "0.9.+",
"com.github.seratch" %% "awscala-iam" % "0.9.+",
"com.github.seratch" %% "awscala-dynamodb" % "0.9.+",
"com.github.seratch" %% "awscala-emr" % "0.9.+",
"com.github.seratch" %% "awscala-redshift" % "0.9.+",
"com.github.seratch" %% "awscala-s3" % "0.9.+",
"com.github.seratch" %% "awscala-simpledb" % "0.9.+",
"com.github.seratch" %% "awscala-sqs" % "0.9.+",
"com.github.seratch" %% "awscala-sts" % "0.9.+",
"com.github.seratch" %% "awscala-stepfunctions" % "0.9.+"
)Configure credentials in the AWS Java SDK way.
http://docs.aws.amazon.com/AWSSdkDocsJava/latest/DeveloperGuide/credentials.html
import awscala._, iam._
implicit val iam = IAM()
val group = iam.createGroup("Developers")
group.putPolicy("policy-name",
Policy(Seq(Statement(Effect.Allow, Seq(Action("s3:*")), Seq(Resource("*"))))))
val user: User = iam.createUser("Alice")
user.setLoginPassword("password")
group.add(user)
group.policyNames.foreach(name => group.policy(name).destroy())
group.destroy()https://github.com/seratch/AWScala/blob/master/iam/src/main/scala/awscala/iam/IAM.scala
https://github.com/seratch/awscala/blob/master/iam/src/test/scala/awscala/IAMSpec.scala
import awscala._, sts._
implicit val sts = STS()
val federation: FederationToken = sts.federationToken(
name = "anonymous-user",
policy = Policy(Seq(Statement(Effect.Allow, Seq(Action("s3:*")), Seq(Resource("*"))))),
durationSeconds = 1200)
val signinToken: String = sts.signinToken(federation.credentials)
val loginUrl: String = sts.loginUrl(
credentials = federation.credentials,
consoleUrl = "https://console.aws.amazon.com/iam",
issuerUrl = "http://example.com/internal/auth")https://github.com/seratch/awscala/blob/master/sts/src/main/scala/awscala/sts/STS.scala
https://github.com/seratch/awscala/blob/master/sts/src/test/scala/awscala/STSSpec.scala
import awscala._, ec2._
implicit val ec2 = EC2.at(Region.Tokyo)
val existings: Seq[Instance] = ec2.instances
import scala.concurrent._
import scala.concurrent.ExecutionContext.Implicits.global
// simply create a t1.micro instance
val f = Future(ec2.runAndAwait("ami-2819aa29", ec2.keyPairs.head))
for {
instances <- f
instance <- instances
} {
instance.withKeyPair(new java.io.File("key_pair_file")) { i =>
// optional: scala-ssh (https://github.com/sirthias/scala-ssh)
i.ssh { ssh =>
ssh.exec("ls -la").right.map { result =>
println(s"------\n${inst.instanceId} Result:\n" + result.stdOutAsString())
}
}
}
instance.terminate()
}https://github.com/seratch/awscala/blob/master/ec2/src/main/scala/awscala/ec2/EC2.scala
https://github.com/seratch/awscala/blob/master/ec2/src/test/scala/awscala/EC2Spec.scala
import awscala._, s3._
implicit val s3 = S3.at(Region.Tokyo)
val buckets: Seq[Bucket] = s3.buckets
val bucket: Bucket = s3.createBucket("unique-name-xxx")
val summaries: Seq[S3ObjectSummary] = bucket.objectSummaries
bucket.put("sample.txt", new java.io.File("sample.txt"))
val s3obj: Option[S3Object] = bucket.getObject("sample.txt")
s3obj.foreach { obj =>
obj.publicUrl // http://unique-name-xxx.s3.amazonaws.com/sample.txt
obj.generatePresignedUrl(DateTime.now.plusMinutes(10)) // ?Expires=....
bucket.delete(obj) // or obj.destroy()
}https://github.com/seratch/awscala/blob/master/s3/src/main/scala/awscala/s3/S3.scala
https://github.com/seratch/awscala/blob/master/s3/src/test/scala/awscala/S3Spec.scala
import awscala._, sqs._
implicit val sqs = SQS.at(Region.Tokyo)
val queue: Queue = sqs.createQueue("sample-queue")
queue.add("message body")
queue.add("first", "second", "third")
val messages: Seq[Message] = queue.messages
queue.removeAll(messages)
queue.destroy()https://github.com/seratch/awscala/blob/master/sqs/src/main/scala/awscala/sqs/SQS.scala
https://github.com/seratch/awscala/blob/master/sqs/src/test/scala/awscala/SQSSpec.scala
import awscala._, redshift._
implicit val redshift = Redshift.at(Region.Tokyo)
val cluster: Cluster = redshift.createCluster(NewCluster(
"sample-cluster", "mydb", "username", "password"))
val snapshot: Snapshot = redshift.createSnapshot(cluster, "snapshot-name")
redshift.delete(cluster, "final-snapshot-name")import awscala._, dynamodbv2._
implicit val dynamoDB = DynamoDB.at(Region.Tokyo)
val tableMeta: TableMeta = dynamoDB.createTable(
name = "Members",
hashPK = "Id" -> AttributeType.Number,
rangePK = "Country" -> AttributeType.String,
otherAttributes = Seq("Company" -> AttributeType.String),
indexes = Seq(LocalSecondaryIndex(
name = "CompanyIndex",
keySchema = Seq(KeySchema("Id", KeyType.Hash), KeySchema("Company", KeyType.Range)),
projection = Projection(ProjectionType.Include, Seq("Company"))
))
)
val table: Table = dynamoDB.table("Members").get
table.put(1, "Japan", "Name" -> "Alice", "Age" -> 23, "Company" -> "Google")
table.put(2, "U.S.", "Name" -> "Bob", "Age" -> 36, "Company" -> "Google")
table.put(3, "Japan", "Name" -> "Chris", "Age" -> 29, "Company" -> "Amazon")
val googlers: Seq[Item] = table.scan(Seq("Company" -> cond.eq("Google")))
table.destroy()PUT method with case class usage (@hashPK and @rangePK annotations are not currently available in Scala 3)
import awscala._, dynamodbv2._
implicit val dynamoDB = DynamoDB.at(Region.Tokyo)
case class Member(Name: String, Age: Int, Company: String)
case class TestMember(
@hashPK id: Int,
@rangePK country: String,
company: String,
name: String,
age: Int)
val tableMeta: TableMeta = dynamoDB.createTable(
name = "Members",
hashPK = "Id" -> AttributeType.Number,
rangePK = "Country" -> AttributeType.String,
otherAttributes = Seq("Company" -> AttributeType.String),
indexes = Seq(LocalSecondaryIndex(
name = "CompanyIndex",
keySchema = Seq(KeySchema("Id", KeyType.Hash), KeySchema("Company", KeyType.Range)),
projection = Projection(ProjectionType.Include, Seq("Company"))
))
)
val table: Table = dynamoDB.table("Members").get
val member = Member("Alex", 29, "DataMass")
table.putItem(1, "PL", member)
// putItem() allows you to push the whole case class object with hashPK and rangePK included
val user = TestMember(2,"PL", "Jakub", 33, "DataMass")
table.putItem(user)
val members: Seq[Item] = table.scan(Seq("Company" -> cond.eq("DataMass")))
table.destroy()https://github.com/seratch/awscala/blob/master/dynamodb/src/test/scala/awscala/DynamoDBV2Spec.scala
import awscala._, simpledb._
implicit val simpleDB = SimpleDB.at(Region.Tokyo)
val domain: Domain = simpleDB.createDomain("users")
domain.put("00001", "name" -> "Alice", "age" -> "23", "country" -> "America")
domain.put("00002", "name" -> "Bob", "age" -> "34", "country" -> "America")
domain.put("00003", "name" -> "Chris", "age" -> "27", "country" -> "Japan")
val items: Seq[Item] = domain.select(s"select * from users where country = 'America'")
simpleDB.domains.foreach(_.destroy())https://github.com/seratch/awscala/blob/master/simpledb/src/test/scala/awscala/SimpleDBSpec.scala
import awscala._, stepfunctions._
implicit val steps = StepFunctions.at(Region.Tokyo)
val machineDefinition = "{ ... state machine definition ... }"
val role = Role(...)
val machine = steps.createStateMachine("myMachine", machineDefinition, role)
val activity = steps.createActivity("MyActivity")
val exec = machine.startExecution("machine input")
steps.runActivity(activity.name) { input => s"Received input $input" }
exec.stepStatus("Some Step")
val history: Seq[ExecutionEvent] = exec.history()
val status = exec.status()
machine.delete()
activity.delete()Created by @CruncherBigData. If you have any feedback or questions, please contact @CruncherBigData.
https://github.com/seratch/awscala/blob/master/emr/src/main/scala/awscala/emr/EMR.scala
https://github.com/seratch/awscala/blob/master/emr/src/test/scala/awscala/EMRSpec.scala
If you're interested in contributing this project, please send pull requests!
Tests require aws credentials with Administrator permissions:
export AWS_ACCESS_KEY_ID=xxx
export AWS_SECRET_ACCESS_KEY=yyy
The DynamoDB tests also require a locally running instance of DynamoDB.
An install script is provided as bin/installDynamoDbLocal.
A launch script is provided as bin/runDynamoDbLocal.
See http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Tools.DynamoDBLocal.html for more info.
To run the tests, just type sbt test.
Copyright 2013 - AWScala Developers
Apache License, Version 2.0