DevConfZA 2020 : Automating your cloud: What are the building blocks

1. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. O N L I N E - D E V C O N F Z A Automating your cloud: what are the building blocks Cobus Bernard Senior Developer Advocate AmazonWeb Services 02.04.20 @cobusbernard cobusbernard cobusbernard

2. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.© 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. AWS Global Infrastructure • 22 Regions with 70 Availability Zones • 5 Regions coming soon: Cape Town Jakarta, Milan, Spain, Osaka

7. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Agenda • Automation != DevOps  • Infrastructure as Code • The Golden Path • VM images • Containers • Deployments • Configuration management

30. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Usecodetomodelapplicationsandinfrastructure Infrastructure ascode Declarative I tell you what I need I tell you what to do Imperative

32. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. import ec2 = require('@aws-cdk/aws-ec2'); import ecs = require('@aws-cdk/aws-ecs'); import cdk = require('@aws-cdk/cdk'); class BonjourFargate extends cdk.Stack { constructor(parent: cdk.App, name: string, props?: cdk.StackProps) { super(parent, name, props); const vpc = new ec2.VpcNetwork(this, ‘DevConfVpc', { maxAZs: 3 }); const cluster = new ecs.Cluster(this, ‘DevConfCluster', { vpc }); new ecs.LoadBalancedFargateService( this, "FargateService", { cluster, image: ecs.DockerHub.image("amazon/amazon-ecs-sample"), }); } } const app = new cdk.App(); new BonjourFargate(app, 'Bonjour'); app.run();

33. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. import ec2 = require('@aws-cdk/aws-ec2'); import ecs = require('@aws-cdk/aws-ecs'); import cdk = require('@aws-cdk/cdk'); class BonjourFargate extends cdk.Stack { constructor(parent: cdk.App, name: string, props?: cdk.StackProps) { super(parent, name, props); const vpc = new ec2.VpcNetwork(this, ‘DevConfVpc', { maxAZs: 3 }); const cluster = new ecs.Cluster(this, ‘DevConfCluster', { vpc }); new ecs.LoadBalancedFargateService( this, "FargateService", { cluster, image: ecs.DockerHub.image("amazon/amazon-ecs-sample"), }); } } const app = new cdk.App(); new BonjourFargate(app, 'Bonjour'); app.run();

34. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. # Using the module from https://github.com/terraform-aws- modules/terraform-aws-vpc module "vpc" { source = "terraform-aws-modules/vpc/aws" name = "devconf-za-vpc" cidr = "10.0.0.0/16" azs = ["eu-west-1a", "eu-west-1b", "eu-west-1c"] private_subnets = ["10.0.1.0/24", "10.0.2.0/24", "10.0.3.0/24"] public_subnets = ["10.0.100.0/24", "10.0.101.0/24", "10.0.103.0/24"] }

36. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. import ec2 = require('@aws-cdk/aws-ec2'); import ecs = require('@aws-cdk/aws-ecs'); import cdk = require('@aws-cdk/cdk'); class BonjourFargate extends cdk.Stack { constructor(parent: cdk.App, name: string, props?: cdk.StackProps) { super(parent, name, props); const vpc = new ec2.VpcNetwork(this, 'MyVpc', { maxAZs: 2 }); const cluster = new ecs.Cluster(this, 'Cluster', { vpc }); new ecs.LoadBalancedFargateService( this, "FargateService", { cluster, image: ecs.DockerHub.image("amazon/amazon-ecs-sample"), }); } } const app = new cdk.App(); new BonjourFargate(app, 'Bonjour'); app.run();

37. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Usecodetomodelapplicationsandinfrastructure Infrastructure ascode goals 1. Make infrastructure changes repeatable and predictable 2. Release infrastructure changes using the same tools as code changes 3. Replicate production environment in a staging environment to enable continuous testing

40. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. “Developers love great documentation.” “Developers love creating great documentation” Only one of these statements is true Twitter

41. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Usecodetomodelapplicationsandinfrastructure Documentation How do you create the beebop with the thingy? Have a look at the repo, you can see how it was done.

54. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Packer – building andAMI { "builders": [{ "type": "amazon-ebs", "region": "us-east-1", "source_ami_filter": { "filters": { "virtualization-type": "hvm", "name": "ubuntu/images/*ubuntu-bionic-18.04-amd64-server-*", "root-device-type": "ebs" }, "owners": ["099720109477"], "most_recent": true }, "instance_type": "t2.micro", "ssh_username": "ubuntu", "ami_name": ”DevConf-Golden-Base {{timestamp}}" }] }

55. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Packer – building andAMI { "builders": [{ "type": "amazon-ebs", "region": "us-east-1", "source_ami_filter": { "filters": { "virtualization-type": "hvm", "name": "ubuntu/images/*ubuntu-bionic-18.04-amd64-server-*", "root-device-type": "ebs" }, "owners": ["099720109477"], "most_recent": true }, "instance_type": "t2.micro", "ssh_username": "ubuntu", "ami_name": ”DevConf-Golden-Base {{timestamp}}" }] }

56. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Packer – building andAMI "provisioners": [ { "type": "shell", "script": "sudo apt-get update" }, { "type": "shell", "script": "sudo apt-get upgrade -y" } ]

57. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Packer – building andAMI { "variables": { ”java_version": ”1.9.01b" }, "builders": [{ "type": "amazon-ebs", "region": "us-east-1", "source_ami_filter": { "filters": { "virtualization-type": "hvm", "name": "DevConf-Golden-Base*", "root-device-type": "ebs" }, "owners": [”self"], "most_recent": true }, "instance_type": "t2.micro", "ssh_username": "ubuntu", "ami_name": ”DevConf Java {{java_version}} {{timestamp}}" }] }

60. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Packer – building andAMI "provisioners": [ { "type": "file", "source": "./welcome.txt", "destination": "/home/ubuntu/" }, { "type": "shell", "inline":[ "ls -al /home/ubuntu", "cat /home/ubuntu/welcome.txt" ] }, { "type": "shell", "script": "sudo apt install openjdk-8-jdk" } ]

61. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. NestedVMImages └── devconf_golden_base ├── devconf_erlang ├── devconf_java │ ├── devconf_java_1_11 │ ├── devconf_java_1_6 │ └── devconf_java_1_9 └── devconf_ruby

67. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. AWSCodeBuild: Build your images version: 0.2 phases: build: commands: - packer build devconf_golden.json - packer build devconf_java.json

68. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Updating images Region Availability zone a Availability zone b Availability zone c 2020-01-01 2020-01-01 2020-01-01 2020-01-01

70. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Updating images Region Availability zone a Availability zone b Availability zone c 2020-01-01 2020-01-01 2020-01-01 2020-01-29 2020-01-29 2020-01-29 2020-01-29

74. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Multi-AZ architecture Region Availability zone a Availability zone b Availability zone c 2019-01-01 2019-01-01 2019-01-01 Elastic Load Balancing (ELB)

75. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. X Multi-AZ architecture Region Availability zone a Availability zone b Availability zone c 2019-01-01 2019-01-01 2019-01-01 Elastic Load Balancing (ELB)

76. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Multi-AZ architecture Region Availability zone a Availability zone b Availability zone c 2019-01-01 2019-01-01 Elastic Load Balancing (ELB)

89. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. NestedVMImagesContainers └── devconf_golden_base ├── devconf_erlang ├── devconf_java │ ├── devconf_java_1_11 │ ├── devconf_java_1_6 │ └── devconf_java_1_9 └── devconf_ruby

96. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Container imagetagging for deployments Deploy using immutable tags { "name": "sample-app", "image": "amazon/amazon-ecs- sample@sha256:3e39d933b1d948c92309bb583b5a1f3d28f0119e1551ca1fe538ba414a41af48d" } { "name": "sample-app", "image": "amazon/amazon-ecs-sample:build-b2085490-359f-4eaf-8970-6d1e26c354f0" } SHA256 Digest Build ID

98. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Container imagetagging for deployments Build pushes new image tagged with new build ID Image: sha256@22222... (“build-22222”)

100. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Container imagetagging for deployments Image: “build-22222” tag Deployment updates service’s task definition, replacing tasks Image: sha256@22222... (“build-22222”)

102. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. “I would not give a fig for the simplicity this side of complexity, but I would give would give my life for the simplicityon simplicity on the other side of complexity Oliver Wendell Holmes Jr.

104. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. AWSCodeBuild:Any Project version: 0.2 phases: build: commands: - make build - make test - make package artifacts: type: zip files: - new_version.json

108. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. AWSCodePipeline:AnyProject stage { name = "Production" action { name = "Deploy" category = "Deploy" owner = "AWS" provider = "ECS" input_artifacts = ["new_version"] version = "1" configuration = { ClusterName = ”MyCluster" ServiceName = ”MyService" FileName = "new_version.json" } } }

112. Thank you! © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved. Cobus Bernard Senior DeveloperAdvocate Amazon Web Services O N L I N E - D E V C O N F Z A @cobusbernard cobusbernard cobusbernard

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