Practical advice for getting started with DevOps on AWS. Begins with an introduction to DevOps. Then focuses on four areas: upgrades; continuous delivery pipelines; configuration as code; and stop logging into your VMs!

1. STRICTLY CONFIDENTIAL
DevOps on AWS: A Practical Introduction
Cloud Pathways to AWS
29 January 2019
Aled Sage

2. 1. Upgrades
2. Continuous delivery pipeline
3. Configuration as code
4. Stop logging into your VMs!
1. Introduction to DevOps and Cloud
2. Four practical things for DevOps on AWS
Agenda
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3. STRICTLY CONFIDENTIAL
Introduction

4. What is DevOps
DevOps is the union of people, processes and tools to enable frictionless
delivery of customer value.
© Cloudsoft Corporation 2019 4
Culture,
Collaboration,
Sharing,
Experimentation
Automation,
Guardrails
Measurement
Break-down silos,
Organisational change,
Continuous improvement
Definition of done:
Live in production,
collecting telemetry
supporting or diminishing
the starting hypothesis
Cloud Pathways to AWS, 29 January 2019

5. Why DevOps?
© Cloudsoft Corporation 2019 5
Source: DORA State of DevOps 2018
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6. Why DevOps?
© Cloudsoft Corporation 2019 6Cloud Pathways to AWS, 29 January 2019

7. Why DevOps?
© Cloudsoft Corporation 2019 7
Source: DoD Detecting Agile BS
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8. • Experiment faster
• Innovate faster
Why Cloud?
© Cloudsoft Corporation 2019 8Cloud Pathways to AWS, 29 January 2019

9. Cloud vs Fixed Infrastructure
© Cloudsoft Corporation 2019 9Cloud Pathways to AWS, 29 January 2019

10. Cloud vs Fixed Infrastructure
© Cloudsoft Corporation 2019 10Cloud Pathways to AWS, 29 January 2019

11. Cloud vs Fixed Infrastructure
© Cloudsoft Corporation 2019 11Cloud Pathways to AWS, 29 January 2019

12. STRICTLY CONFIDENTIAL
Four practical things for DevOps on AWS

13. STRICTLY CONFIDENTIAL
1. Upgrades

14. • On-box upgrades
Upgrades
© Cloudsoft Corporation 2019 14
What about rollback?!
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15. • On-box upgrades
• Rolling update
• Blue/Green
• Canary
Upgrades
© Cloudsoft Corporation 2019 15Cloud Pathways to AWS, 29 January 2019

16. • On-box upgrades
• Rolling update
• Blue/Green
• Canary
Upgrades
© Cloudsoft Corporation 2019 16Cloud Pathways to AWS, 29 January 2019
v1 v2v1

17. • On-box upgrades
• Rolling update
• Blue/Green
• Canary
Upgrades
© Cloudsoft Corporation 2019 17Cloud Pathways to AWS, 29 January 2019

18. • On-box upgrades
• Rolling update
• Blue/Green
• Canary
Upgrades
© Cloudsoft Corporation 2019 18Cloud Pathways to AWS, 29 January 2019

19. • On-box upgrades
• Rolling update
• Blue/Green
• Canary
Upgrades
© Cloudsoft Corporation 2019 19
Immutable
infrastructure
Cloud Pathways to AWS, 29 January 2019

20. • AWS Auto-scaling groups
• Define the upgrade policy
• AWS CodeDeploy
Upgrades
© Cloudsoft Corporation 2019 20Cloud Pathways to AWS, 29 January 2019

21. STRICTLY CONFIDENTIAL
2. Continuous Delivery Pipelines

22. Feedback and measurement
© Cloudsoft Corporation 2019 22Cloud Pathways to AWS, 29 January 2019

23. Continuous Delivery Pipelines
© Cloudsoft Corporation 2019 23Cloud Pathways to AWS, 29 January 2019

24. Continuous Delivery Pipelines
© Cloudsoft Corporation 2019 24Cloud Pathways to AWS, 29 January 2019

25. Continuous Delivery Pipelines
© Cloudsoft Corporation 2019 25Cloud Pathways to AWS, 29 January 2019
CodeCommit CodeBuild CodeDeploy
EC2 Cluster
(staging)
Developer
CodePipeline
CodeDeploy
EC2 Cluster
(prod)

26. Continuous Delivery Pipelines
© Cloudsoft Corporation 2019 26Cloud Pathways to AWS, 29 January 2019
CodeDeploy
EC2 Cluster
(staging)
Developer
CodePipeline
CodeDeploy
EC2 Cluster
(prod)
GitHub CircleCI

27. STRICTLY CONFIDENTIAL
3. Configuration as Code

28. Configuration as code
© Cloudsoft Corporation 2019 28Cloud Pathways to AWS, 29 January 2019

29. Configuration as code
• AWS CloudFormation
• Hashicorp Terraform
© Cloudsoft Corporation 2019 29
AWSTemplateFormatVersion: "2010-09-09"
Resources:
EC2Instance:
Type: AWS::EC2::Instance
Properties:
InstanceType: t3.micro
ImageId: ami-12345678
SecurityGroups: sg-12345678
KeyName: aled-key
Cloud Pathways to AWS, 29 January 2019

30. Configuration as code
• Infrastructure as a software engineering discipline
• Version control
• Code review
• CI/CD pipeline
• Rollback
• Reproducible environments
© Cloudsoft Corporation 2019 30Cloud Pathways to AWS, 29 January 2019

31. Configuration as code
• Infrastructure as a software engineering discipline
• Version control
• Code review
• CI/CD pipeline
• Rollback
• Reproducible environments
© Cloudsoft Corporation 2019 31Cloud Pathways to AWS, 29 January 2019

32. Configuration as code
• Infrastructure as a software engineering discipline
• Version control
• Code review
• CI/CD pipeline
• Rollback
• Reproducible environments
© Cloudsoft Corporation 2019 32Cloud Pathways to AWS, 29 January 2019

33. Configuration as code
• Infrastructure as a software engineering discipline
• Version control
• Code review
• CI/CD pipeline
• Rollback
• Reproducible environments
© Cloudsoft Corporation 2019 33Cloud Pathways to AWS, 29 January 2019

34. Configuration as code
• Infrastructure as a software engineering discipline
• Version control
• Code review
• CI/CD pipeline
• Rollback
• Reproducible environments
© Cloudsoft Corporation 2019 34Cloud Pathways to AWS, 29 January 2019

35. Configuration as code
• Infrastructure as a software engineering discipline
• Version control
• Code review
• CI/CD pipeline
• Rollback
• Reproducible environments
© Cloudsoft Corporation 2019 35Cloud Pathways to AWS, 29 January 2019

36. STRICTLY CONFIDENTIAL
4. Stop logging into your VMs

37. Stop logging into your VMs
• Common uses for ssh / RDP
• Upgrading
• Patch management
• View log files
• Performance info
• Troubleshooting
© Cloudsoft Corporation 2019 37Cloud Pathways to AWS, 29 January 2019

38. Stop logging into your VMs
• Common uses for ssh / RDP
• Upgrading
• Patch management
• View log files
• Performance info
• Troubleshooting
© Cloudsoft Corporation 2019 38Cloud Pathways to AWS, 29 January 2019

39. Stop logging into your VMs
• Common uses for ssh / RDP
• Upgrading
• Patch management
• View log files
• Performance info
• Troubleshooting
© Cloudsoft Corporation 2019 39Cloud Pathways to AWS, 29 January 2019
Same as “upgrading”; or
AWS Systems Manager

40. Aggregated logging:
• AWS CloudWatch Logs
• AWS Elasticsearch service
Stop logging into your VMs
• Common uses for ssh / RDP
• Upgrading
• Patch management
• View log files
• Performance info
• Troubleshooting
© Cloudsoft Corporation 2019 40Cloud Pathways to AWS, 29 January 2019

41. Monitoring and metrics:
• AWS CloudWatch Metrics
• AWS CloudWatch Agent
Stop logging into your VMs
• Common uses for ssh / RDP
• Upgrading
• Patch management
• View log files
• Performance info
• Troubleshooting
© Cloudsoft Corporation 2019 41Cloud Pathways to AWS, 29 January 2019

42. Command-line access with
AWS Systems Manager Session
Manager
Stop logging into your VMs
• Common uses for ssh / RDP
• Upgrading
• Patch management
• View log files
• Performance info
• Troubleshooting
© Cloudsoft Corporation 2019 42Cloud Pathways to AWS, 29 January 2019

43. How to get started?
© Cloudsoft Corporation 2019 43Cloud Pathways to AWS, 29 January 2019

44. 44
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