初探 Infrastructure as Code 工具 Terraform vs Pulumi

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data "aws_ami" "ubuntu_16_04_docker" {
  filter {
    name   = "name"
    values = ["app-base-docker-image-*"]
  }
  filter {
    name   = "virtualization-type"
    values = ["hvm"]
  }
  owners = ["161654634948"] # Canonical
}

resource "aws_instance" "foobar_api_01" {
  ami                    = data.aws_ami.ubuntu_16_04_docker.id
  instance_type          = "t2.small"
  vpc_security_group_ids = [aws_security_group.foobar_api.id]
  key_name               = aws_key_pair.foobar_deploy.key_name
  subnet_id              = aws_subnet.foobar_a.id
  iam_instance_profile   = aws_iam_instance_profile.ec2_role.id

  tags = {
    Name        = "foobar api 01"
    Project     = "foobar"
    Environment = var.environment["production"]
  }
}

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    _, err = rds.NewClusterInstance(ctx, "dbInstance", &rds.ClusterInstanceArgs{
      ClusterIdentifier:  cluster.ClusterIdentifier,
      InstanceClass:      rds.InstanceType_T3_Small,
      Engine:             rds.EngineTypeAuroraMysql,
      EngineVersion:      pulumi.String("5.7.mysql_aurora.2.03.2"),
      PubliclyAccessible: pulumi.Bool(true),
      DbSubnetGroupName:  subnetGroup.Name,
    })
    if err != nil {
      return err
    }

    ctx.Export("host", cluster.Endpoint)
    ctx.Export("dbName", dbName)
    ctx.Export("dbUser", dbUser)
    ctx.Export("dbPass", dbPass)

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  // create our stack with an "inline" Pulumi program (deployFunc)
  stack := auto.UpsertStackInlineSource(ctx, stackName, projectName, deployFunc)
  // run the update to deploy our database
  res, err := stack.Up(ctx, stdoutStreamer)

  fmt.Println("Update succeeded!")

  // get the connection info
  host := res.Outputs["host"].Value
  dbName := res.Outputs["dbName"].Value
  dbUser := res.Outputs["dbUser"].Value
  dbPass := res.Outputs["dbPass"].Value

  // establish db connection
  db := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s:3306)/%s", dbUser, dbPass, host, dbName))
  defer db.Close()

  // run our database "migration"
  fmt.Println("creating table...")
  db.Query(`
  CREATE TABLE IF NOT EXISTS hello_pulumi(
    id int(9) NOT NULL,
    color varchar(14) NOT NULL,
    PRIMARY KEY(id)
  );
 `)