Helm deploy microservice to gke, use Helm image from google cloud community builders

install.sh

#!/bin/bash
set -e
set -x #echo on

# entrypoint requires the following variables to be set
case $ENVIRONMENT in
  "prod")
    export CLOUDSDK_COMPUTE_ZONE="prod"
    export CLOUDSDK_CONTAINER_CLUSTER="prod"
    export GCLOUD_PROJECT="prod"
    ;;
  "stg")
    export CLOUDSDK_COMPUTE_ZONE="asia-southeast1-a"
    export CLOUDSDK_CONTAINER_CLUSTER="my_cluster"
    export GCLOUD_PROJECT="my_project"
    ;;
  *)
    export CLOUDSDK_COMPUTE_ZONE=""
    export CLOUDSDK_CONTAINER_CLUSTER=""
    export GCLOUD_PROJECT=""
    ;;
esac

# entrypoint from helm docker image
/builder/helm.bash

# commands after entrypoint
helm version --client
helm repo add repo-name https://example.io/repo-name/
helm repo update
helm repo list

APP_RELEASE="${REPO_NAME}"
APP_CHART=""
APP_CHART_VERSION=""
APP_VALUES="helm-chart/subdir/${ENVIRONMENT}.yaml"

INFRA_RELEASE="${REPO_NAME}-infra"
INFRA_CHART=""
INFRA_CHART_VERSION=""
INFRA_VALUES="helm-chart/subdir/${ENVIRONMENT}.yaml"

SETTING_NAME="app.name=${APP_RELEASE}"
SETTING_IMAGE_NAME="app.baseImageName=${IMAGE_NAME}"
SETTING_IMAGE_TAG="app.imageTag=${IMAGE_TAG}"
SETTING_ENVIRONMENT="app.env=${ENVIRONMENT}"
SETTING_OWNER="app.configmap.data.SERVICE_OWNER=${OWNER}"

env | sort

echo "Dry run..."

helm upgrade "${APP_RELEASE}" "${APP_CHART}" \
  --dry-run --debug \
  --install \
  --tiller-namespace "${NAMESPACE}" \
  --namespace "${NAMESPACE}" \
  --values "${APP_VALUES}" \
  --version "${APP_CHART_VERSION}" \
  --set "${SETTING_NAME}" \
  --set "${SETTING_IMAGE_NAME}" \
  --set "${SETTING_IMAGE_TAG}" \
  --set "${SETTING_ENVIRONMENT}" \
  --set "${SETTING_OWNER}"

helm upgrade "${INFRA_RELEASE}" "${INFRA_CHART}" \
  --dry-run --debug \
  --install \
  --tiller-namespace "${NAMESPACE}" \
  --namespace "${NAMESPACE}" \
  --values "${INFRA_VALUES}" \
  --version "${INFRA_CHART_VERSION}" \
  --set "${SETTING_NAME}" \
  --set "${SETTING_ENVIRONMENT}"

echo "Dry run... DONE"
echo "Deploy..."

helm upgrade "${APP_RELEASE}" "${APP_CHART}" \
  --install \
  --tiller-namespace "${NAMESPACE}" \
  --namespace "${NAMESPACE}" \
  --values "${APP_VALUES}" \
  --version "${APP_CHART_VERSION}" \
  --set "${SETTING_NAME}" \
  --set "${SETTING_IMAGE_NAME}" \
  --set "${SETTING_IMAGE_TAG}" \
  --set "${SETTING_ENVIRONMENT}" \
  --set "${SETTING_OWNER}"

helm upgrade "${INFRA_RELEASE}" "${INFRA_CHART}" \
  --install \
  --tiller-namespace "${NAMESPACE}" \
  --namespace "${NAMESPACE}" \
  --values "${INFRA_VALUES}" \
  --version "${INFRA_CHART_VERSION}" \
  --set "${SETTING_NAME}" \
  --set "${SETTING_ENVIRONMENT}"

echo "Deploy... DONE"