About

DevOps Cloud-native CI/CD GitOps with Tekton & ArgoCD.

write REST API sample in golang.

⚡ Technologies

• Others

Requirements:

• Tekton - CI/CD
• ArgoCD - GitOps
• Argo Rollouts - Rollouts
• Kubernetes Cluster (eg k3d local cluster)
• kubectl CLI
• Docker - Container
• Istio - Service Mesh
• Skaffold (Opc) - Local Kubernetes Development

versions

Tekton Pipeline/Trigger/Dashboard

tkn version

Client version: 0.20.0
Pipeline version: v0.27.3
Triggers version: v0.16.0
Dashboard version: v0.19.0

Kubernetes

kubectl version -o yaml

clientVersion:
  buildDate: "2021-04-08T16:31:21Z"
  compiler: gc
  gitCommit: cb303e613a121a29364f75cc67d3d580833a7479
  gitTreeState: clean
  gitVersion: v1.21.0
  goVersion: go1.16.1
  major: "1"
  minor: "21"
  platform: darwin/amd64
serverVersion:
  buildDate: "2021-08-17T02:06:07Z"
  compiler: gc
  gitCommit: 4966fd0dded6419fd23233a38c8905c67a3ea78e
  gitTreeState: clean
  gitVersion: v1.20.7
  goVersion: go1.15.12
  major: "1"
  minor: "20"
  platform: linux/amd64

ArgoCD / Rollout

argocd version

argocd: v2.0.5+4c94d88.dirty
  BuildDate: 2021-07-23T05:12:02Z
  GitCommit: 4c94d886f56bcb2f9d5b3251fdc049c2d1354b88
  GitTreeState: dirty
  GoVersion: go1.16.6
  Compiler: gc
  Platform: darwin/amd64
argocd-server: v2.1.1+aab9542

kubectl argo rollouts version

  kubectl-argo-rollouts: v1.0.4+c63b6c1
  BuildDate: 2021-08-03T02:45:19Z
  GitCommit: c63b6c1f5134a9f19caae37765f1a8a145f62d7d
  GitTreeState: clean
  GoVersion: go1.16.3
  Compiler: gc
  Platform: darwin/amd64

services

• api REST;
• mySql database.

Start Skaffold deploy

skaffold dev --port-forward  --trigger polling

methods

• Set API_URL

API_URL="http://localhost:8080/api/v1/products"
API_URL="http://localhost:8088/api/api/v1/products"

curl -H 'Host: prod.api.com' $API_URL

• get ALL products

curl $API_URL

• post add one product

curl  \
    -H 'Host: prod.api.com' \
    --include \
    --header "Content-Type: application/json" \
    --request "POST" \
    --data '{"id": "1","name": "bike","value": 4009.99}' \
    $API_URL

curl $API_URL \
    --include \
    --header "Content-Type: application/json" \
    --request "POST" \
    --data '{"id": "2","name": "ebook x","value": 5.00}'

curl $API_URL \
    --include \
    --header "Content-Type: application/json" \
    --request "POST" \
    --data '{"id": "3","name": "Server z","value": 90000.00}'

• get ONE product

curl $API_URL/1

• put change ONE product

curl $API_URL/1 \
    --include \
    --header "Content-Type: application/json" \
    --request "PUT" \
    --data '{"value": 11500.99}'    

• delete ONE product

curl $API_URL/1 \
    --include \
    --header "Content-Type: application/json" \
    --request "DELETE"