The document discusses DevOps practices for operating microservices on AWS, including introducing Spinnaker. Some key points discussed include: - The need for immutable servers, infrastructure as code, release pipelines, deployment strategies like blue/green and canary releases, cluster management, automated testing, monitoring, and log streaming. - Using tools like Packer, Terraform, Ansible for infrastructure as code and building immutable images. - Continuous delivery pipelines for automated testing and deployments. - Spinnaker as a continuous delivery platform supporting deployment strategies and cluster management across multiple clouds.

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김영욱
삼성전자
AWS기반 Microservice 운영을 위한
DevOps 사례와 Spinnaker 소개

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SmartThingsWho am I DevOps, Bixby
TechOps, SmartThings Cloud
Architect, MILK Music

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Video: https://youtu.be/merhmY30XrE

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Video: https://youtu.be/-pqWNuJ6wgk

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Let’s talk about DevOps

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Business Tester End-user
Ops
Culture of collaboration
Ops must be involved in all the phase of a project

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Culture of collaboration

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Infrastructure as CodeContinuous Delivery
Culture of Collaboration
To be able to meet objectives of both side

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We cannot be like this: Samsung is not a startup company

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Run Book
for incident management

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Alerts/Alarm
▪ Get notification from monitor system
Run Book
Check
▪ Check status of application/system
Restart service
▪ If service is unhealthy, try to restart service
▪ Create a incident ticket to JIRA
Reboot instance
▪ If service is still going unhealthy after restart, try to make snapshot for
inspection
▪ And reboot instance
Terminate instance
▪ Finally, terminate instance to bring new one automatically
Communication
▪ Channel
▪ Notification
▪ Alert
▪ Ticket

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Alerts/Alarm
▪ Get notification from monitor system
Run Book
Check
▪ Check status of application/system
Restart service
▪ If service is unhealthy, try to restart service
▪ Create a incident ticket to JIRA
Reboot instance
▪ If service is still going unhealthy after restart, try to make snapshot for
inspection
▪ And reboot instance
Terminate instance
▪ Finally, terminate instance to bring new one automatically
Communication
▪ Channel
▪ Notification
▪ Alert
▪ Ticket
It looks like Run Book is easy and simple way
for incident management.
But inside is sophisticated.
How to achieve

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We Need
Immutable Server
Infrastructure as Code
Release Pipeline
Deployment Strategies
• Blue/green deployment
• Canary release
• Rolling update
Cluster Management

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We Need
Automated Test
Monitor
Log Stream
Communication

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Immutable Server
Artifact
Machine
Infrastructure

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All servers must be Immutable.
Because we can replace them with new from image in an incident,
We don’t need to touch the running server to fix problem.

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Source: http://www.oreilly.com/webops-perf/free/immutable-infrastructure.csp

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JRE
Linux
Your Code
Spring
Log4J
Base AMI
Application AMIs
Packer Template Packer Template
Ansible Roles
Base Base
Ansible Roles
How to Build Immutable Images
Ready to Deploy

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Infrastructure (as) Code
Infrastructure as Code is new-normal now

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Provisioned
Architecture
Desired
Architecture
Terraform
Code
Terraform
Plan/Apply
Infrastructure as Code
▪ Version control & Code review
▪ Simulation
▪ Security as Code
▪ One click Disaster Recovery

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Source: https://www.slideshare.net/OCTOTechnology/introduction-to-devops-28779951
Infrastructure as Code, Why?

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Infrastructure
Building
Blocks

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Consul
Load Balancer
VPC
Terraform codes
Your Infrastructure
Build Your Infrastructure like LEGO
Terraform Module Registry
Web
Server
Application
Server
Database
Server
seoulAWS
Web
Server
Application
Server
Database
Server
ohioAWS
Web
Server
Application
Server
Database
Server
singaporeAWS
Web
Server
Application
Server
Database
Server
irelandAWS

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Continuous Delivery
Pipeline
▪ Automated TEST, TEST, TEST
▪ Get feedback fast, pass or fail
Deployment Strategies
▪ Be safe to release your services
▪ Canary release
▪ Blue/green
▪ Rolling update
Cluster Management
▪ Manual roll-back
▪ Dashboard

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▪ Continuous Integration + α
▪ Principles
▪ Build quality in
▪ Creating and evolving feedback loops to detect problems as early as possible
▪ Work in small batches
▪ Computers perform repetitive tasks, people solve problems
▪ Relentlessly pursue continuous improvement
▪ Everyone is responsible
▪ nothing is “somebody else’s problem.”
▪ Foundation
▪ Continuous integration
▪ Configuration management
▪ Ansible, Chef, Puppet, SaltStack
▪ Continuous testing
Continuous Delivery book
by Jez Humble (2010)
Continuous Delivery

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Work in small batch
Fail Fast and Cheap, Fail Often.
Fail in a way that doesn’t kill you.
- Seth Godin

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Deployment Pipeline
Source: https://www.thoughtworks.com/insights/blog/architecting-continuous-delivery

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Pipeline

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Once upon a time
Source: https://medium.com/netflix-techblog/asgard-web-based-cloud-management-and-deployment-2c9fc4e4d3a1

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Application/Service

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(Micro) Services

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At that time, AWS Management Console

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Spinnaker
Multi-Cloud Continuous Delivery platform for releasing software changes with high
velocity and confidence.
Key features
• Delivery Pipelines
• Deployment Strategies
• Cluster Management
• Jenkins Integration
• Supports Multi Cloud
(AWS, GCP, Azure, Kubernetes, ECS, DC/OS, Cloud Foundry)
We have experience in utilizing and hosting Spinnaker
more than 1 year.

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Spinnaker Pipeline
Pipelines are the key deployment management construct in Spinnaker.
They consist of a sequence of actions, known as stages.

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Deployment Strategies

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Dev. Ops.
Connected.
수호랑과 반다비는 평창 올림픽, 패럴림픽 공식 마스코트 입니다.

45. Questions?