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build.yaml
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name: Build, Unit Testing, Versioning and Deploy
on:
push:
tags:
- 'v*.*.*'
env:
PROJECT_ID: ${{ secrets.GCP_PROJECT_ID }}
RUN_REGION: asia-east1
IMAGE_NAME: url-shortener-backend
CLUSTER_NAME: dcard-gke-single-region
CONFIG_MAP_NAME: backend-config
POSTGRESQL_CLUSTER_IP: ${{ secrets.POSTGRESQL_CLUSTER_IP }}
REDIS_CLUSTER_IP: ${{ secrets.REDIS_CLUSTER_IP }}
# Env for backend server usage
SQL_USER: ${{ secrets.SQL_USER}}
SQL_PASSWORD: ${{ secrets.SQL_PASSWORD }}
DATABASE_NAME: postgres
POSTGRESQL_IP: 127.0.0.1
REDIS_IP: 127.0.0.1
POSTGRESQL_PORT_NUMBER: 5432
REDIS_PORT_NUMBER: 6379
# Unit testing host
SERVER_HOST: http://127.0.0.1:8080
DEPLOYMENT_NAME: url-shortener-backend
jobs:
build-backend-image:
name: Build Docker Image
if: github.event.base_ref == 'refs/heads/main'
runs-on: ubuntu-latest
outputs:
RELEASE_VERSION: ${{ steps.GET_RELEASE_VERSION_STEP.outputs.value }}
MAJOR_VERSION: ${{ steps.GET_MAJOR_VERSION_STEP.outputs.value }}
steps:
- name: Checkout
uses: actions/checkout@v2
- name: Set version into environment variable
run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
- id: GET_RELEASE_VERSION_STEP
run: echo "::set-output name=value::$RELEASE_VERSION"
- name: Set MAJOR version into environment variable
run: echo "MAJOR_VERSION=$( echo $RELEASE_VERSION | cut -c1-2)" >> $GITHUB_ENV
- id: GET_MAJOR_VERSION_STEP
run: echo "::set-output name=value::$MAJOR_VERSION"
- name: Set up golang
uses: actions/setup-go@v2
with:
go-version: '1.17.3'
- name: Build Image
run: docker build -t asia.gcr.io/$PROJECT_ID/$MAJOR_VERSION/$IMAGE_NAME:$RELEASE_VERSION .
- name: Save docker image as tar file
run: docker save asia.gcr.io/$PROJECT_ID/$MAJOR_VERSION/$IMAGE_NAME:$RELEASE_VERSION > url.tar
- name: Upload tar file to github artifact
uses: actions/upload-artifact@v3
with:
name: image-artifact
path: url.tar
unit-tests:
name: Unit tests
if: github.event.base_ref == 'refs/heads/main'
runs-on: ubuntu-latest
steps:
# Fetch repo files
- name: Checkout
uses: actions/checkout@v2
- name: Google credential authentication
uses: google-github-actions/auth@v0
with:
credentials_json: ${{ secrets.GCP_CREDENTIALS }}
- name: Set up gcloud cli
uses: google-github-actions/setup-gcloud@v0
- name: Get gke credential
run: gcloud container clusters get-credentials $CLUSTER_NAME --region $RUN_REGION --project $PROJECT_ID
- name: Set up golang
uses: actions/setup-go@v2
with:
go-version: '1.17.3'
- name: Set up postgreSQL remote forwarding server
run: |
nohup kubectl port-forward $(kubectl get pod --selector="app=postgres" --output jsonpath='{.items[0].metadata.name}') $POSTGRESQL_PORT_NUMBER:$POSTGRESQL_PORT_NUMBER &
sleep 10
- name: Set up redis remote forwarding server
run: |
nohup kubectl port-forward $(kubectl get pod --selector="pod=redis" --output jsonpath='{.items[0].metadata.name}') $REDIS_PORT_NUMBER:$REDIS_PORT_NUMBER &
sleep 10
- name: Set up backend server
run: |
nohup go run server.go &
sleep 10
- name: Start unit test
run: go test ./test -v
push-image-to-gcr:
name: Push image to GCR
needs: [build-backend-image, unit-tests]
runs-on: ubuntu-latest
steps:
# Here we use docker locally
- name: Download image artifact
uses: actions/download-artifact@v3
with:
name: image-artifact
- name: Load out docker image
run: docker load < url.tar
# After this line, we use docker for uploading image to gcr
- name: Google credential authentication
uses: google-github-actions/auth@v0
with:
credentials_json: ${{ secrets.GCP_CREDENTIALS }}
- name: Set up gcloud cli
uses: google-github-actions/setup-gcloud@v0
- name: Configure docker authentication
run: gcloud auth configure-docker -q
- name: Push docker image to GCR
run: docker push asia.gcr.io/$PROJECT_ID/${{ needs.build-backend-image.outputs.MAJOR_VERSION}}/$IMAGE_NAME:${{ needs.build-backend-image.outputs.RELEASE_VERSION }}
deploy-go-gke:
name: Deploy to GKE
needs: [build-backend-image, push-image-to-gcr]
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v2
- name: Google credential authentication
uses: google-github-actions/auth@v0
with:
credentials_json: ${{ secrets.GCP_CREDENTIALS }}
- name: Set up gcloud cli
uses: google-github-actions/setup-gcloud@v0
- name: Get gke credential
run: |
gcloud container clusters get-credentials $CLUSTER_NAME --region $RUN_REGION --project $PROJECT_ID
# Semantic versioning
- name: Do versioning jobs
uses: mikefarah/yq@master
with:
cmd: |
# Change deployment image name
yq -i '.spec.template.spec.containers[0].image = "asia.gcr.io/${{ env.PROJECT_ID }}/${{ needs.build-backend-image.outputs.MAJOR_VERSION}}/${{ env.IMAGE_NAME }}:${{ needs.build-backend-image.outputs.RELEASE_VERSION }}"' ./k8s-config/backend.yaml
#---------------- Deployment ----------------
# change deployment name
yq -i '.metadata.name = "url-shortener-backend-${{ needs.build-backend-image.outputs.MAJOR_VERSION}}"' ./k8s-config/backend.yaml
# change deployment label name
yq -i '.metadata.labels.deployment = "url-shortener-backend-${{ needs.build-backend-image.outputs.MAJOR_VERSION}}"' ./k8s-config/backend.yaml
# change deployment match pod name
yq -i '.spec.selector.matchLabels.pod = "url-shortener-backend-${{ needs.build-backend-image.outputs.MAJOR_VERSION}}"' ./k8s-config/backend.yaml
# change pod label name
yq -i '.spec.template.metadata.labels.pod = "url-shortener-backend-${{ needs.build-backend-image.outputs.MAJOR_VERSION}}"' ./k8s-config/backend.yaml
# change pod name
yq -i '.spec.template.metadata.labels.name = "url-shortener-backend-${{ needs.build-backend-image.outputs.MAJOR_VERSION}}"' ./k8s-config/backend.yaml
#---------------- Service ----------------
# change service name
yq -i '.metadata.name = "url-shortener-backend-${{ needs.build-backend-image.outputs.MAJOR_VERSION}}"' ./k8s-config/backend-service.yaml
# change service match pod name
yq -i '.spec.selector.pod = "url-shortener-backend-${{ needs.build-backend-image.outputs.MAJOR_VERSION}}"' ./k8s-config/backend-service.yaml
# Set up kustomize
- name: Set up Kustomize
run: |-
curl -sfLo kustomize https://github.com/kubernetes-sigs/kustomize/releases/download/v3.1.0/kustomize_3.1.0_linux_amd64
chmod u+x ./kustomize
# Deploy the Docker image to the GKE cluster
- name: Deploy to GKE
run: |-
./kustomize edit set image asia.gcr.io/$PROJECT_ID/${{ needs.build-backend-image.outputs.MAJOR_VERSION}}/$IMAGE_NAME:${{ needs.build-backend-image.outputs.RELEASE_VERSION }}
echo "Set image pass"
./kustomize build . | kubectl apply -f - --validate=false
echo "Build pass"
kubectl rollout status deployment/$DEPLOYMENT_NAME-${{ needs.build-backend-image.outputs.MAJOR_VERSION}}
echo "Rollout pass"
kubectl get services -o wide