canary-release-demo

Introduction

A repo to test Azure DevOps, Kubernetes, Docker and other tools or methodologies

Build

• cd src
• docker build -t bjd145/whatos:1.4 .

Run

• docker run -p 8081:8081 -e API_VERSION=v3 bjd145/whatos:1.4

Test

• curl http://127.0.0.1:8081/api/os {"Time":"Friday, 06-Mar-20 16:12:35 UTC","Host":"4921deb4d042","OSType":"linux","Version":"v3"}

Canary Release with Blue/Green Deployment and Helm

10% Traffic to V2

• helm upgrade -n whatosapi -i --values .\deploy\values.yaml
  --set service.greenWeight=10%,service.blueWeight=90%,blueReplicaCount=3,greenReplicaCount=1 \ whatos-release
  .\deploy

50% Traffic to V2

• helm upgrade -n whatosapi -i --values .\deploy\values.yaml
  --set service.greenWeight=50%,service.blueWeight=50%,blueReplicaCount=2,greenReplicaCount=2
  whatos-release
  .\deploy

90% Traffic to V2

• helm upgrade -n whatosapi -i --values .\deploy\values.yaml
  --set service.greenWeight=90%,service.blueWeight=10%,blueReplicaCount=1,greenReplicaCount=3
  whatos-release
  .\deploy

100% Traffic to V2

• helm upgrade -n whatosapi -i --values .\deploy\values.yaml
  --set service.greenWeight=100%,service.blueWeight=0%,blueReplicaCount=0,greenReplicaCount=4
  whatos-release
  .\deploy