OpenStack operator for Kubernetes
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# 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.
"""
Nova service
This code takes care of doing the operations of the OpenStack Nova API
service.
"""
import kopf
from openstack_operator import database
from openstack_operator import identity
from openstack_operator import utils
MEMCACHED = True
# NOTE(mnaser): Implement dynamic cells
CELLS = [
'cell0',
'cell1'
]
def create_or_resume(spec, **_):
"""Create and re-sync a Nova instance
This function is called when a new resource is created but also when we
start the service up for the first time.
"""
databases = {}
identity.ensure_application_credential(name="nova")
databases['api'] = database.ensure_mysql_cluster(
"nova-api", database="nova_api"
)
for cell in CELLS:
databases[cell] = database.ensure_mysql_cluster(
"nova-%s" % cell, database="nova_%s" % cell)
# NOTE(mnaser): cell0 does not need a message queue
if cell != 'cell0':
if not utils.ensure_secret("openstack", "nova-%s-rabbitmq" % cell):
utils.create_or_update('nova/secret-rabbitmq.yml.j2',
component=cell,
password=utils.generate_password())
utils.create_or_update('nova/rabbitmq.yml.j2', component=cell)
utils.create_or_update('nova/conductor/daemonset.yml.j2', spec=spec)
utils.create_or_update('nova/scheduler/daemonset.yml.j2', spec=spec)
utils.create_or_update('nova/metadata-api/daemonset.yml.j2', spec=spec)
utils.create_or_update('nova/metadata-api/service.yml.j2')
utils.create_or_update('nova/novncproxy/daemonset.yml.j2', spec=spec)
utils.create_or_update('nova/novncproxy/service.yml.j2')
utils.create_or_update('nova/compute-api/daemonset.yml.j2', spec=spec)
utils.create_or_update('nova/compute-api/service.yml.j2')
utils.create_or_update('nova/compute/daemonset.yml.j2', spec=spec)
api_url = None
if "ingress" in spec:
utils.create_or_update('nova/ingress.yml.j2', spec=spec)
api_url = spec["ingress"]["host"]["api"]
if "endpoint" not in spec:
spec["endpoint"] = True
if spec["endpoint"]:
identity.ensure_service(name="nova",
service_type="compute",
url=api_url, path="/v2.1",
desc="OpenStack Compute")
@kopf.on.create('apps', 'v1', 'daemonsets', labels={
'app.kubernetes.io/managed-by': 'openstack-operator',
'app.kubernetes.io/name': 'nova',
'app.kubernetes.io/component': 'conductor',
})
def run_database_migrations(**_):
"""Run database migrations
This watches for any changes to the image ID for the Nova conductor
deployment and triggers a database migrations
"""
cell0 = database.ensure_mysql_cluster("nova-cell0")
utils.create_or_update('nova/conductor/job.yml.j2', adopt=True,
cell0_db=cell0['connection'])