sa-gen/sa-add2group

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2023-05-03 21:39:37 +08:00
#!/bin/bash
# This script will extract service account emails from json keys in a local folder,
# then add the SA emails to a Google group. If the group does not exist it will create the group
# Prerequisite: gcloud sdk
# Get the service account keys location from command line argument or prompt user for input
if [ -z "$1" ]; then
read -p "Enter the location of the service account keys: " service_account_keys_location
else
service_account_keys_location="$1"
fi
# Get the google group email name from command line argument or prompt user for input
if [ -z "$2" ]; then
read -p "Enter the google group email to add the service account emails to: " google_group_email_name
else
google_group_email_name="$2"
fi
# Get the list of service account json keys
service_account_keys=$(find "$service_account_keys_location" -type f -name "*.json" | sort | uniq )
# Extract the email addresses from the service account json keys
email_addresses=()
for service_account_key in $service_account_keys; do
email_address=$(jq -r '.client_email' "$service_account_key")
email_addresses+=("$email_address")
done
printf "There are %s unique service account emails.\n" "${#email_addresses[@]}"
# Enable necessary Google APIs in gcloud sdk
gcloud services enable admin.googleapis.com cloudresourcemanager.googleapis.com cloudidentity.googleapis.com
# Check if the google group exists
if gcloud identity groups describe "$google_group_email_name" &> /dev/null; then
printf "The google group %s already exists.\n" "$google_group_email_name"
else
printf "The google group %s does not exist. Creating it.\n" "$google_group_email_name"
organization_id=$(gcloud organizations list --format="value(ID)")
if gcloud identity groups create "$google_group_email_name" --description="$google_group_email_name" --organization="$organization_id"; then
printf "The google group %s was created successfully.\n" "$google_group_email_name"
else
printf "Failed to create the google group %s.\n" "$google_group_email_name"
fi
fi
# Add service account emails to google group
printf "Adding %s emails to %s\n" "${#email_addresses[@]}" "$google_group_email_name"
for email in "${email_addresses[@]}"; do
gcloud identity groups memberships add --group-email="$google_group_email_name" --member-email="$email"
done