openstack-operator/openstack_operator/mcrouter.py
okozachenko 10f9be432a Remove some CRs, and deploy at the startup of the operator
1. Keystone, heat, and horizon CRs are eliminated, and deploy automatically at the beginning.
2. Use a constant namespace "openstack" for the auto-deployed resources.
3. Adjust resource request.

Depends-On: https://review.opendev.org/727868/

Change-Id: I75bc8b9e73035f3ca73f00612bc4c50f42473dc3
2020-05-23 18:45:27 -04:00

67 lines
2.5 KiB
Python

# Copyright 2020 VEXXHOST, Inc.
#
# 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.
"""Mcrouter Operator
This module maintains the operator for Mcrouter, it takes care of creating
the appropriate deployments, Mcrouter, pod monitors and Prometheus rules.
"""
import json
import kopf
from openstack_operator import utils
class McrouterSpecEncoder(json.JSONEncoder):
"""McrouterSpecEncoder makes kopf dictview class JSON serializable"""
def default(self, o): # pylint: disable=E0202
return o.__dict__["_src"]["spec"]
@kopf.on.resume('infrastructure.vexxhost.cloud', 'v1alpha1', 'mcrouters')
@kopf.on.create('infrastructure.vexxhost.cloud', 'v1alpha1', 'mcrouters')
def create_or_resume(name, spec, **_):
"""Create and re-sync any Mcrouter instances
This function is called when a new resource is created but also when we
start the service up for the first time.
"""
data = McrouterSpecEncoder().encode(spec)
utils.create_or_update('mcrouter/configmap.yml.j2',
name=name, data=data, adopt=True)
utils.create_or_update('mcrouter/deployment.yml.j2',
name=name, spec=spec, adopt=True)
utils.create_or_update('mcrouter/service.yml.j2',
name=name, spec=spec, adopt=True)
utils.create_or_update('mcrouter/podmonitor.yml.j2',
name=name, spec=spec, adopt=True)
utils.create_or_update('mcrouter/prometheusrule.yml.j2',
name=name, spec=spec, adopt=True)
@kopf.on.update('infrastructure.vexxhost.cloud', 'v1alpha1', 'mcrouters')
def update(name, spec, **_):
"""Update a Mcrouter
This function updates the deployment for Mcrouter if there are any
changes that happen within it.
"""
data = McrouterSpecEncoder().encode(spec)
utils.create_or_update('mcrouter/configmap.yml.j2',
name=name, data=data, adopt=True)
utils.create_or_update('mcrouter/deployment.yml.j2',
name=name, spec=spec, adopt=True)