Ensure Logging And Cloud Monitoring Is Enabled

#!/usr/bin/env bash
# Report GKE Cloud Logging & Monitoring configuration for all clusters in a project.
# Usage: ./gke-logging-monitoring-audit.sh <GCP_PROJECT_ID>

set -euo pipefail

PROJECT_ID="${1:-}"

if [[ -z "${PROJECT_ID}" ]]; then
  echo "Usage: $0 <GCP_PROJECT_ID>" >&2
  exit 1
fi

echo "Auditing GKE Logging and Monitoring configuration in project: ${PROJECT_ID}"
echo

# List all clusters (both zonal and regional)
gcloud container clusters list \
  --project "${PROJECT_ID}" \
  --format="value(name,location)" | while read -r CLUSTER_NAME LOCATION; do

  if [[ -z "${CLUSTER_NAME}" || -z "${LOCATION}" ]]; then
    continue
  fi

  echo "===== Cluster: ${CLUSTER_NAME} | Location: ${LOCATION} ====="

  # Describe cluster and extract logging/monitoring configuration
  gcloud container clusters describe "${CLUSTER_NAME}" \
    --location "${LOCATION}" \
    --project "${PROJECT_ID}" \
    --format=json | jq '
      {
        name: .name,
        location: .location,
        releaseChannel: .releaseChannel.channel,
        loggingService: .loggingService,
        monitoringService: .monitoringService,
        loggingConfig: ( .loggingConfig // {} ),
        monitoringConfig: ( .monitoringConfig // {} )
      }'

  echo
done