enable compute.googleapis.com and label all gcp projects

gcp-label-project.sh

#!/bin/bash

# gcloud configuration options to reduce output verbosity:
# gcloud config set core/log_http False;
# gcloud config set core/user_output_enabled True;
# debug, info, warning, error, and none
# gcloud config set core/verbosity warning;

function usage() {
    printf "\nUsage: $0 [-help ] [-h]\n"
    printf "\nThis script will enable compute.googleapis.com and add the specified labels in the 'PROJECT_LABELS'\n shell variable to ALL GCP projects within the org.\n"
    printf "\nWhen ready for a live run disable the 'grep' filter command in the for loop\n"
    printf "\nNote: Billing account for project should be enabled--else will complain and bark...\n\n"
    exit
}

case $1 in

    --help|-h)
          usage;
          exit $?;;

esac
shift

#PROJECT_LABELS="newkey1=newvalue1,newkey2=newvalue2"
PROJECT_LABELS="candid=true,audit=true"

printf "\nThis script will enable compute.googleapis.com and add the specified labels as set in the PROJECT_LABELS variable:\n \"$PROJECT_LABELS\" to ALL GCP projects within the org\n"
read -p "enter 'yes' to continue or any other key to exit"
if [ "$REPLY" != "yes" ]; then
    printf "\nExiting... re-run script again with '-h' or '--help' for usage\n"
   exit
fi

printf "\n####################################################"
printf "\nStep-1 Validate Google SDK (gcloud) installed..."
printf "\n####################################################"

uname=$(uname)
if [[ "${uname}" == "Darwin" ]]; then
    platform="darwin"
    printf "\nRunning on MacOS \n"
    if which gcloud; then
        printf "\ngcloud is already installed"
    else
        printf "\nPlease install and configure gcloud SDK as described here: https://cloud.google.com/sdk/docs/quickstart-macos"
        exit 1
    fi
elif [[ "${uname}" == "Linux" ]]; then
    platform="linux"
    lsb_release -a
    printf "\nWe are running on Linux"
    printf "\nand dont assume any specific linux flavor please install gcloud SDK per your dists instructions"
    exit
else
  echo "Unknown, unsupported platform: (${uname})."
  echo "Supported platforms: Linux, MacOS."
  echo "Bailing out."
  exit 2
fi

printf "\n####################################################"
printf "\nStep-2 Validate GCP project labels BEFORE mods..."
printf "\n####################################################"
printf "\nValidate PRE processing all projects with desired labels: candid=true && audit=true \n"
gcloud projects list --filter='labels.candid:true' --filter='labels.audit:true'

printf "\n"

printf "\n####################################################"
printf "\nStep-3 Add specified PROJECT_LABELS to projectss..."
printf "\n####################################################"
printf "\nValidate PRE processing all projects with desired labels: candid=true && audit=true \n"
#for project in  $(gcloud projects list --format="value(projectId)" # enable when ready
for project in  $(gcloud projects list --format="value(projectId)" | grep "chrism-dev-demo") # only label dev-demo* named projects
do
    printf "\nProjectId:  $project"

    # must enable apis for proj
    gcloud services enable compute.googleapis.com  --project $project

    # Note: requires alpha version of gcloud
    gcloud alpha projects update $project --update-labels "${PROJECT_LABELS}"

done

printf "\n"

printf "\n####################################################"
printf "\nStep-4 Validate GCP project labels AFTER mods..."
printf "\n####################################################"
printf "\nValidate POST processing all projects with desired labels: candid=true && audit=true \n"
gcloud projects list --filter='labels.candid:true' --filter='labels.audit:true'

printf "\n"