gerrit-monitoring/subcommands/uninstall.py

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# Copyright (C) 2020 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import subprocess
from ._globals import HELM_CHARTS
def _get_yn_response(message):
while True:
response = input(message)
if response == "y":
return True
if response == "n":
return False
print("Unknown input.")
def _remove_helm_deployment(chart, namespace):
deployment_name = f"{chart}-{namespace}"
if _get_yn_response(
f"This will remove the deployment {deployment_name}. Continue (y/n)? "
):
command = ["helm", "uninstall", deployment_name, "-n", namespace]
subprocess.check_output(command)
def _delete_namespace(namespace):
if _get_yn_response(
f"This will remove the namespace {namespace}. Continue (y/n)? "
):
command = ["kubectl", "delete", "ns", namespace]
subprocess.check_output(command)
def uninstall(config_manager):
"""Uninstall the monitoring setup.
Arguments:
config_manager {AbstractConfigManager} -- ConfigManager that contains the
configuration of the monitoring setup to be uninstalled.
"""
namespace = config_manager.get_config()["namespace"]
for chart in HELM_CHARTS:
_remove_helm_deployment(chart, namespace)
_delete_namespace(namespace)