deploy.sh

#!/bin/bash
# Copyright 2021 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

echo "Fetching Project ID"
PROJECT_ID=$(gcloud config get project)
echo "Project ID is ${PROJECT_ID}"

echo -n "Provide the region (e.g. us-central1) where the top level deployment resources were created for the deployment: "
read REGION

echo "Fetching deployment name"
DEPLOYMENT_NAME=$(gcloud infra-manager deployments list --location ${REGION} --filter="labels.goog-solutions-console-deployment-name:* AND labels.goog-solutions-console-solution-id:three-tier-web-app" | sed -n 's/NAME: \(.*\)/\1/p')
echo "Deployment name is ${DEPLOYMENT_NAME}"

SERVICE_ACCOUNT=$(gcloud infra-manager deployments describe ${DEPLOYMENT_NAME} --location ${REGION} | sed -n 's/serviceAccount:.*\/\(.*\)@.*/\1/p')

echo -n "The deployment currently uses ${SERVICE_ACCOUNT} service account. If you want to use any other service account, please specify the name. Else, press enter to skip: "
read NEW_SERVICE_ACCOUNT

if [ -n "$NEW_SERVICE_ACCOUNT" ]; then
    SERVICE_ACCOUNT=${NEW_SERVICE_ACCOUNT}
fi

echo "Assigning required roles to the service account ${SERVICE_ACCOUNT}"
while IFS= read -r role || [[ -n "$role" ]]
do \
gcloud projects add-iam-policy-binding ${PROJECT_ID} \
  --member="serviceAccount:${SERVICE_ACCOUNT}@${PROJECT_ID}.iam.gserviceaccount.com" \
  --role="$role"
done < "roles.txt"

echo -n "To build the container images of the application, provide the image tag (e.g. 1.0.0): "
read IMAGE_TAG

cd ./src/middleware
gcloud builds submit --config=./cloudbuild.yaml --substitutions=_IMAGE_TAG="${IMAGE_TAG}"
cd -
cd ./src/frontend
gcloud builds submit --config=./cloudbuild.yaml --substitutions=_IMAGE_TAG="${IMAGE_TAG}"
cd -

echo "Replace the following values in ./main.tf file"
echo -e "locals {\n  api_image = \"gcr.io/${PROJECT_ID}/three-tier-app-be:${IMAGE_TAG}\"\n  fe_image  = \"gcr.io/${PROJECT_ID}/three-tier-app-fe:${IMAGE_TAG}\"\n}"


read -p "Once done, press Enter to continue..."

cat <<EOF > input.tfvars
region="us-central1"
zone="us-central1-a"
project_id = "${PROJECT_ID}"
deployment_name = "${DEPLOYMENT_NAME}"
labels = {
  "goog-solutions-console-deployment-name" = "${DEPLOYMENT_NAME}",
  "goog-solutions-console-solution-id" = "three-tier-web-app"
}
EOF

echo "An input.tfvars has been created with a set of sample input terraform variables for the solution. You can modify their values."
read -p "Once done, press Enter to continue..."

echo "Deploying the solution"
gcloud infra-manager deployments apply projects/${PROJECT_ID}/locations/${REGION}/deployments/${DEPLOYMENT_NAME} --service-account projects/${PROJECT_ID}/serviceAccounts/${SERVICE_ACCOUNT}@${PROJECT_ID}.iam.gserviceaccount.com --local-source="."     --inputs-file=./input.tfvars --labels="modification-reason=make-it-mine,goog-solutions-console-deployment-name=${DEPLOYMENT_NAME},goog-solutions-console-solution-id=three-tier-web-app"