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Jenkins Example Setup

This document explains how to build and configure a Jenkins CI server container image to run an Apigee deployment pipeline.

You can choose between two different setups:

  • Jenkins Web: Builds an image for running Jenkins with a web UI.
  • Jenkinsfile Runner Builds an ephemeral runtime for running a specific Jenkinsfile without having to configure the full UI. We use this version for our continuous testing in Apigee DevRel.

To have a common base for the two setups, we have a common base image that is extended to suit both of the two setups above.

Jenkins Web

Follow these instructions to build and run a fully configured Jenkins UI instance.

Build

Option A: Use a pre-built image

docker pull ghcr.io/apigee/devrel-jenkins:latest
docker tag ghcr.io/apigee/devrel-jenkins:latest apigee/devrel-jenkins:latest

Option B: Local Build

docker build -t apigee/devrel-jenkins-base:latest .
docker build -f ./jenkins-web/Dockerfile -t apigee/devrel-jenkins:latest .

Option C: Cloud Build on GCP

PROJECT_ID=<my-project>
gcloud builds submit --config ./cloudbuild.yml --project $PROJECT_ID
gcloud builds submit --config ./jenkins-web/cloudbuild.yml --project $PROJECT_ID
docker pull gcr.io/$PROJECT_ID/apigee/devrel-jenkins:latest
docker tag gcr.io/$PROJECT_ID/apigee/devrel-jenkins:latest apigee/devrel-jenkins:latest

Run the Jenkins Container

In this section we describe how to setup Jenkins on either a GCP VM or locally via Docker.

Option A Run Jenkins on a GCP Compute Engine VM

To run Jenkins on a Compute Engine VM first make sure you have the Container Image in GCR. If you have not used Cloud Build to build your Image then push it to GCR like so:

docker tag apigee/devrel-jenkins:latest gcr.io/$PROJECT_ID/apigee/devrel-jenkins:latest
docker push gcr.io/$PROJECT_ID/apigee/devrel-jenkins:latest

If you are building for Apigee X or hybrid you should create a dedicated service account for your Jenkins VM that has all required permission to deploy to Apigee.

JENKINS_SA_NAME="jenkins"
JENKINS_SA_EMAIL="$JENKINS_SA_NAME@$PROJECT_ID.iam.gserviceaccount.com"
gcloud iam service-accounts create "$JENKINS_SA_NAME" --project "$PROJECT_ID"

# Permissions to deploy to Apigee
gcloud projects add-iam-policy-binding "$PROJECT_ID" \
  --member="serviceAccount:$JENKINS_SA_EMAIL" \
  --role="roles/apigee.environmentAdmin"

gcloud projects add-iam-policy-binding "$PROJECT_ID" \
  --member="serviceAccount:$JENKINS_SA_EMAIL" \
  --role="roles/apigee.apiAdmin"

# Permission to pull the jenkins image from GCR
gcloud projects add-iam-policy-binding "$PROJECT_ID" \
  --member="serviceAccount:$JENKINS_SA_EMAIL" \
  --role="roles/storage.objectViewer"

To restrict access to only your machine set the firewall to only allow your external IP (Otherwise replace it with --source-ranges='0.0.0.0/0').

gcloud compute firewall-rules create allow-me-jenkins --allow=tcp:8080 \
  --description="Allow only my IP to access jenkins" \
  --direction=INGRESS --target-tags=jenkins --source-ranges="$(curl ipecho.net/plain)/32" \
  --project $PROJECT_ID
Apigee X/hybrid Credentials on GCE

To start your jenkins with credentials for Apigee X/hybrid run the following command:

CONTAINER_ENVS="JENKINS_ADMIN_PASS=password"
CONTAINER_ENVS+=",API_VERSION=google"
CONTAINER_ENVS+=",APIGEE_ORG=$APIGEE_X_ORG"
CONTAINER_ENVS+=",APIGEE_TEST_ENV=test1"
CONTAINER_ENVS+=",APIGEE_PROD_ENV=prod1"
CONTAINER_ENVS+=",TEST_HOST=$APIGEE_X_HOSTNAME"

gcloud compute instances create-with-container jenkins --tags jenkins \
  --container-image gcr.io/$PROJECT_ID/apigee/devrel-jenkins:latest \
  --container-env "$CONTAINER_ENVS" \
  --machine-type e2-standard-2 \
  --service-account "$JENKINS_SA_EMAIL" \
  --scopes cloud-platform \
  --project $PROJECT_ID

echo "Starting Jenkins Container. Once Jenkins is ready you can visit: http://$(gcloud compute instances describe jenkins --format json | jq -r ".networkInterfaces[0].accessConfigs[0].natIP"):8080"
Apigee Edge Credentials on GCE

To start your jenkins with credentials for Apigee Edge run the following command:

CONTAINER_ENVS="JENKINS_ADMIN_PASS=password"
CONTAINER_ENVS+=",API_VERSION=apigee"
CONTAINER_ENVS+=",APIGEE_ORG=$APIGEE_ORG"
CONTAINER_ENVS+=",APIGEE_TEST_ENV=test"
CONTAINER_ENVS+=",APIGEE_PROD_ENV=prod"
CONTAINER_ENVS+=",APIGEE_USER=$APIGEE_USER"
CONTAINER_ENVS+=",APIGEE_PASS=$APIGEE_PASS"
CONTAINER_ENVS+=",TEST_HOST=$APIGEE_ORG-$APIGEE_ENV.apigee.net"

gcloud compute instances create-with-container jenkins --tags jenkins \
  --container-image gcr.io/$PROJECT_ID/apigee/devrel-jenkins:latest \
  --container-env "$CONTAINER_ENVS" \
  --machine-type e2-standard-2 \
  --service-account "$JENKINS_SA_EMAIL" --scopes cloud-platform

echo "Starting Jenkins Container. Once Jenkins is ready you can visit: http://$(gcloud compute instances describe jenkins --format json | jq -r ".networkInterfaces[0].accessConfigs[0].natIP"):8080"

Option B Run Jenkins Locally

You can also run a local Docker image as follows:

Apigee Edge in local Docker
docker run \
  -p 8080:8080 \
  -e APIGEE_USER \
  -e APIGEE_PASS \
  -e APIGEE_ORG \
  -e APIGEE_TEST_ENV="test" \
  -e APIGEE_PROD_ENV="prod" \
  -e TEST_HOST="$APIGEE_ORG-$APIGEE_ENV.apigee.net" \
  -e API_VERSION="apigee" \
  -e JENKINS_ADMIN_PASS="password" \
  apigee/devrel-jenkins:latest
Apigee X/hybrid in local Docker
docker run \
  -p 8080:8080 \
  -e APIGEE_TOKEN="$(gcloud auth print-access-token)" \
  -e GCP_SA_AUTH="token" \
  -e APIGEE_ORG \
  -e APIGEE_TEST_ENV="test1" \
  -e APIGEE_PROD_ENV="prod1" \
  -e TEST_HOST="api.example.apigee.com" \
  -e API_VERSION="google" \
  -e JENKINS_ADMIN_PASS="password" \
  apigee/devrel-jenkins:latest

Note: for long running jenkins deployments consider mounting the gcloud service account credential file from the host filesystem instead of passing the access token via environment variables:

export KEY_FILE_PATH=/tmp/keys/jenkins-key-file.json

gcloud iam service-accounts keys create $KEY_FILE_PATH --iam-account=$SERVICE_ACCOUNT_ID@$PROJECT_ID.iam.gserviceaccount.com

docker run -d
  -p 8080:8080 \
  -e APIGEE_ORG="my-org" \
  -e APIGEE_TEST_ENV="test" \
  -e APIGEE_PROD_ENV="prod"
  -e TEST_HOST="api.example.apigee.com" \
  -e GCP_SA_AUTH="vm-scope" \
  -e API_VERSION="google"
  -e JENKINS_ADMIN_PASS="password" \
  -e GOOGLE_APPLICATION_CREDENTIALS="$KEY_FILE_PATH" \
  -v "$KEY_FILE_PATH:$KEY_FILE_PATH:ro" \
  apigee/devrel-jenkins:latest

After the initialization is completed, you can login with the Jenkins web UI http://localhost:8080 using the admin user and the password you specified before.

Jenkinsfile-Runner

Follow these instructions to build and run an ephemeral Jenkinsfile runtime. This is mainly intended for CI/CD of the pipeline itself.

Build

Option A: Use a pre-built image

docker pull ghcr.io/apigee/devrel-jenkinsfile:latest
docker tag ghcr.io/apigee/devrel-jenkinsfile:latest apigee/devrel-jenkinsfile:latest

Option B: Local Build

docker build -t apigee/devrel-jenkins-base:latest .
docker build -f jenkinsfile-runner/Dockerfile -t apigee/devrel-jenkinsfile:latest .

Option C: Cloud Build on GCP

PROJECT_ID=$(gcloud config get-value project)\
gcloud builds submit --config ./cloudbuild.yml --project $PROJECT_ID
gcloud builds submit --config ./jenkinsfile-runner/cloudbuild.yml --project $PROJECT_ID
docker pull gcr.io/$PROJECT_ID/apigee/devrel-jenkinsfile-runner:latest
docker tag gcr.io/$PROJECT_ID/apigee/devrel-jenkinsfile-runner:latest apigee/devrel-jenkinsfile:latest

Example Run

See pipeline.sh at the root of this reference.