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March 14, 2021 04:16
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# Implement DevOps in Google Cloud: Challenge Lab | |
# https://www.qwiklabs.com/focuses/13287?parent=catalog | |
# Open Cloud shell, run: | |
gcloud config set compute/zone us-east1-b | |
git clone https://source.developers.google.com/p/$DEVSHELL_PROJECT_ID/r/sample-app | |
gcloud container clusters get-credentials jenkins-cd | |
kubectl create clusterrolebinding cluster-admin-binding --clusterrole=cluster-admin --user=$(gcloud config get-value account) | |
helm repo add stable https://charts.helm.sh/stable | |
helm repo update | |
helm install cd stable/jenkins | |
export POD_NAME=$(kubectl get pods --namespace default -l "app.kubernetes.io/component=jenkins-master" -l "app.kubernetes.io/instance=cd" -o jsonpath="{.items[0].metadata.name}") | |
kubectl port-forward $POD_NAME 8080:8080 >> /dev/null & | |
printf $(kubectl get secret cd-jenkins -o jsonpath="{.data.jenkins-admin-password}" | base64 --decode);echo | |
# Note: copy the output (Jenkins password) | |
- Preview on Port 8000, Sign in jenkins | |
- username: admin | |
- password: see at your cloud shell output | |
# Back to Cloud shell, run: | |
cd sample-app | |
kubectl create ns production | |
kubectl apply -f k8s/production -n production | |
kubectl apply -f k8s/canary -n production | |
kubectl apply -f k8s/services -n production | |
kubectl get svc | |
kubectl get service gceme-frontend -n production | |
git init | |
git config credential.helper gcloud.sh | |
git remote add origin https://source.developers.google.com/p/$DEVSHELL_PROJECT_ID/r/sample-app | |
git config --global user.email "student-00-b41cda9e7603@qwiklabs.net" | |
git config --global user.name "[YOUR_USERNAME]" | |
git add . | |
git commit -m "initial commit" | |
git push origin master | |
# Back to Jenkins Dashboard > Manage Jenkins (left pane) > manage Credentials | |
# - Look at "Stores scoped", click Jenkins | |
# - Click Global credentials (unrestricted) | |
# - Click Add Credentials | |
# - Kind: Google Service Account from metadata | |
# - Project Name: <your_project_id> | |
# - Click OK | |
# | |
# Back to Jenkins Dashboard > New Item (left pane) | |
# Enter an item name: sample-app | |
# Click Multibranch Pipeline | |
# OK | |
# *in sample-app config* | |
# - Branch Sources: Git | |
# - Project Repository: https://source.developers.google.com/p/[PROJECT_ID]/r/sample-app | |
# - Credentials: qwiklabs service account | |
# - Scan Multibranch Pipeline Triggers, check "Periodically if not otherwise run" | |
# - Interval: 1 minute | |
# - SAVE # building will take long time | |
# # Note: Repeat if you see error msg while scanning Multibranch Pipeline Log | |
# - CHECK YOUR FIRST CHECKPOINT | |
# | |
# Back to Cloud Shell | |
git checkout -b new-feature | |
edit main.go | |
# change the version number to "2.0.0". | |
# example: version string = "2.0.0" (in line 46) | |
edit html.go | |
# change both lines that contains the word blue to orange | |
# example: <div class="card orange"> (in line 37 and 81) | |
# Back to Cloud Shell | |
git add Jenkinsfile html.go main.go | |
git commit -m "Version 2.0.0" | |
git push origin new-feature | |
# Check your sample-app branches from jenkins dashboard (new-feature branch) | |
# Back to Cloud Shell | |
curl http://localhost:8001/api/v1/namespaces/new-feature/services/gceme-frontend:80/proxy/version | |
kubectl get service gceme-frontend -n production | |
git checkout -b canary | |
git push origin canary | |
git checkout master | |
git push origin master | |
# Check your sample-app branches from jenkins dashboard (canary branch) | |
# Back to Cloud Shell | |
export FRONTEND_SERVICE_IP=$(kubectl get -o \ | |
jsonpath="{.status.loadBalancer.ingress[0].ip}" --namespace=production services gceme-frontend) | |
while true; do curl http://$FRONTEND_SERVICE_IP/version; sleep 1; done | |
# after the you see output 2.0.0, run: | |
kubectl get service gceme-frontend -n production | |
# CHECK YOUR #2 #3 AND #4 CHECKPOINT (may be a delay) | |
############################################################################################### | |
# Note if task 4 not yet marked, try run: | |
git merge canary | |
git push origin master | |
# may take a long delay before check progress |
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