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#!/usr/bin/env bash
#
# This script (optionally) deletes resources in a Google Cloud project to host a Trillian instance using Kubernetes.
set -e
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
source ${DIR}/config.sh
# Check required binaries are installed
if ! gcloud --help > /dev/null; then
echo "Need gcloud installed."
exit 1
fi
if ! kubectl --help > /dev/null; then
echo "Need kubectl installed."
exit 1
fi
if ! jq --help > /dev/null; then
echo "Please install the jq command"
exit 1
fi
# Connect to gcloud
gcloud config set project ${PROJECT_ID}
gcloud config set compute/zone ${MASTER_ZONE}
# Delete cluster & node pools
gcloud beta container clusters delete ${CLUSTER_NAME} --quiet
# Delete spanner instance & DB(s)
gcloud spanner instances delete trillian-spanner --quiet
# Delete service account and key(s)
gcloud iam service-accounts delete trillian@${PROJECT_ID}.iam.gserviceaccount.com --quiet
# Remove roles
for ROLE in spanner.databaseUser logging.logWriter monitoring.metricWriter; do
gcloud projects remove-iam-policy-binding "${PROJECT_ID}" --member "serviceAccount:trillian@${PROJECT_ID}.iam.gserviceaccount.com" --role "roles/${ROLE}"
done
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