is_sa.sh

# Color vars
RED=$'\033[31m'
GREEN=$'\033[32m'
RESET=$'\033[0m'

# Check if a GCP service account exists
# Usage: is_sa <service_account_email> <project_id>
# Example: is_sa my-foobar-sa my-foobar-dev-project
function is_sa() {
    local service_account_email=$1
    local project_id=$2
    if gcloud iam service-accounts describe "${service_account_email}@${project_id}.iam.gserviceaccount.com" --project "$project_id" &>/dev/null; then
        echo "${GREEN}Service account ${service_account_email} exists in project ${project_id}.${RESET}"
        return 0
    else
        echo "${RED}Service account ${service_account_email} does not exist in project ${project_id}.${RESET}"
        return 1
    fi
}