demo.sh

#!/bin/bash
#set -e

################################################################
# Configuration -
# DOCKER_IMG_REPO_URL - URL of the images repository
# K8S_NAMESPACE - Namespace used to install the demo
# GC_METRICS_ENDPOINT - Your Grafana Cloud Metrics endpoint
# GC_METRICS_USERNAME - Your Grafana Cloud Metrics username
# GC_LOGS_ENDPOINT    - Your Grafana Cloud Logs endpoint
# GC_LOGS_USERNAME    - Your Grafana Cloud Logs username
# GC_API_KEY          - Your Grafana Cloud API Key
################################################################

DOCKER_IMG_REPO_URL="australia-southeast1-docker.pkg.dev/solutions-engineering-248511/camsellem-artifact-repo"
K8S_NAMESPACE="privacy-demo"
GC_METRICS_ENDPOINT="https://prometheus-prod-10-prod-us-central-0.grafana.net/api/prom/push"
GC_METRICS_USERNAME=""
GC_LOGS_ENDPOINT="https://logs-prod-us-central1.grafana.net/loki/api/v1/push"
GC_LOGS_USERNAME=""
GC_API_KEY=""

clean() {
  SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
  cd $SCRIPT_DIR

  echo "*-*-*-*-* Undeploying Helm chart *-*-*-*-*"
  helm uninstall -n $K8S_NAMESPACE privacy-app-prod-release
}

build() {
  SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
  cd $SCRIPT_DIR

  echo "*-*-*-*-* Building images *-*-*-*-*"
  docker build --pull --rm -f "docker/Dockerfile" -t privacy-app-frontend:latest "docker"

  echo "*-*-*-*-* Tagging images *-*-*-*-*"
  docker tag privacy-app-frontend:latest $DOCKER_IMG_REPO_URL/privacy-app-frontend:latest

  echo "*-*-*-*-* Uploading images *-*-*-*-*"
  docker push $DOCKER_IMG_REPO_URL/privacy-app-frontend:latest
}

deploy() {
  SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
  cd $SCRIPT_DIR/helm

  echo "*-*-*-*-* Deploying Helm chart *-*-*-*-*"
  helm install -n $K8S_NAMESPACE --create-namespace \
  --set global.namespace=$K8S_NAMESPACE \
  --set www.image.repository=$DOCKER_IMG_REPO_URL/privacy-app-frontend privacy-app-prod-release \
  --set agent.gcloud.metrics.url=$GC_METRICS_ENDPOINT \
  --set agent.gcloud.metrics.basic_auth.username=$GC_METRICS_USERNAME \
  --set agent.gcloud.metrics.basic_auth.password=$GC_API_KEY \
  --set agent.gcloud.logs.url=$GC_LOGS_ENDPOINT \
  --set agent.gcloud.logs.basic_auth.username=$GC_LOGS_USERNAME \
  --set agent.gcloud.logs.basic_auth.password=$GC_API_KEY \
  .
}

test() {
  SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
  cd $SCRIPT_DIR

  docker build --pull --rm -f "docker/Dockerfile" -t privacy-demo:latest "docker"
  docker stop $(docker ps -qa)
  docker rm $(docker ps -qa) 
  docker run -p 80:80 -d  privacy-demo:latest
}

case "$1" in
   clean)
      shift
      clean
      ;;
   build)
      shift
      build
      ;;
   deploy)
      shift
      deploy

      external_ip=""
      while [ -z $external_ip ]; do
        echo "External IP is being assigned. Please wait."
        external_ip=$(kubectl get svc privacy-demo-svc -n $K8S_NAMESPACE --template="{{range .status.loadBalancer.ingress}}{{.ip}}{{end}}")
        [ -z "$external_ip" ] && sleep 15
      done

      echo "Demo web app address: http://"$external_ip
      echo "Grafana Agent Push API endpoint address: http://"$external_ip":3500"
      ;;
    test)
      shift
      test
      ;;
esac