Files
charm-mysql-innodb-cluster/unit_tests/__init__.py
Alex Kavanagh 85a3deee22 Prometheus mysqld exporter
Install mysqld-exporter with snap. It's a prometheus exporter for mysql,
which provide the http interface for prometheus to pull the metrics.
It should only install & setup configuration when relation connect to prometheus,
and disable when relation remove.
The charm also need to create read only user for the exporter to get the
metrics.

https://github.com/prometheus/mysqld_exporter

Change-Id: Id6a6337004586699c7f943530fa7a32deae26db0
func-test-pr: https://github.com/openstack-charmers/zaza-openstack-tests/pull/859
2022-10-21 09:31:11 +08:00

60 lines
2.0 KiB
Python

# Copyright 2019 Canonical Ltd
#
# 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.
from unittest import mock
import os
import sys
_path = os.path.dirname(os.path.realpath(__file__))
_src = os.path.abspath(os.path.join(_path, "../src"))
_lib = os.path.abspath(os.path.join(_path, "../src/lib"))
_reactive = os.path.abspath(os.path.join(_path, "../src/reactive"))
def _add_path(path):
if path not in sys.path:
sys.path.insert(1, path)
_add_path(_src)
_add_path(_lib)
_add_path(_reactive)
# Mock out charmhelpers so that we can test without it.
import charms_openstack.test_mocks # noqa
charms_openstack.test_mocks.mock_charmhelpers()
# Mock out charm dependencies
import charms
charms.leadership = mock.MagicMock()
sys.modules['charms.leadership'] = charms.leadership
charms.coordinator = mock.MagicMock()
sys.modules['charms.coordinator'] = charms.coordinator
charms.layer = mock.MagicMock()
sys.modules['charms.layer'] = charms.layer
charms.layer.snap = mock.MagicMock()
sys.modules['charms.layer.snap'] = charms.layer.snap
charmhelpers = mock.MagicMock()
charmhelpers.contrib.database = mock.MagicMock()
charmhelpers.contrib.database.mysql = mock.MagicMock()
sys.modules['charmhelpers.contrib.database'] = charmhelpers.contrib.database
sys.modules['charmhelpers.contrib.database.mysql'] = (
charmhelpers.contrib.database.mysql)
# Tenacity decorators need to be mocked before import
tenacity = mock.MagicMock()
tenacity.retry.side_effect = lambda *args, **kwargs: lambda x: x
sys.modules['tenacity'] = tenacity