99 lines
4.2 KiB
Python
99 lines
4.2 KiB
Python
# Copyright 2016 Rackspace Inc. All rights reserved.
|
|
#
|
|
# 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 oslo_log import log as logging
|
|
from pbr.version import SemanticVersion as SV
|
|
|
|
from magnum.common import clients
|
|
from magnum.common import exception
|
|
from magnum.drivers.heat import driver
|
|
from magnum.drivers.k8s_fedora_atomic_v1 import template_def
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class Driver(driver.KubernetesDriver):
|
|
|
|
@property
|
|
def provides(self):
|
|
return [
|
|
{'server_type': 'vm',
|
|
'os': 'fedora-atomic',
|
|
'coe': 'kubernetes'},
|
|
]
|
|
|
|
def get_template_definition(self):
|
|
return template_def.AtomicK8sTemplateDefinition()
|
|
|
|
def upgrade_cluster(self, context, cluster, cluster_template,
|
|
max_batch_size, nodegroup, scale_manager=None,
|
|
rollback=False):
|
|
osc = clients.OpenStackClients(context)
|
|
_, heat_params, _ = (
|
|
self._extract_template_definition(context, cluster,
|
|
scale_manager=scale_manager))
|
|
# Extract labels/tags from cluster not template
|
|
# There are some version tags are not decalared in labels explicitly,
|
|
# so we need to get them from heat_params based on the labels given in
|
|
# new cluster template.
|
|
current_addons = {}
|
|
new_addons = {}
|
|
for label in cluster_template.labels:
|
|
# This is upgrade API, so we don't introduce new stuff by this API,
|
|
# but just focus on the version change.
|
|
new_addons[label] = cluster_template.labels[label]
|
|
if ((label.endswith('_tag') or
|
|
label.endswith('_version')) and label in heat_params):
|
|
current_addons[label] = heat_params[label]
|
|
try:
|
|
if (SV.from_pip_string(new_addons[label]) <
|
|
SV.from_pip_string(current_addons[label])):
|
|
raise exception.InvalidVersion(tag=label)
|
|
except Exception as e:
|
|
# NOTE(flwang): Different cloud providers may use different
|
|
# tag/version format which maybe not able to parse by
|
|
# SemanticVersion. For this case, let's just skip it.
|
|
LOG.debug("Failed to parse tag/version %s", str(e))
|
|
|
|
heat_params["server_image"] = cluster_template.image_id
|
|
heat_params["master_image"] = cluster_template.image_id
|
|
heat_params["minion_image"] = cluster_template.image_id
|
|
# NOTE(flwang): Overwrite the kube_tag as well to avoid a server
|
|
# rebuild then do the k8s upgrade again, when both image id and
|
|
# kube_tag changed
|
|
heat_params["kube_tag"] = cluster_template.labels["kube_tag"]
|
|
heat_params["kube_version"] = cluster_template.labels["kube_tag"]
|
|
heat_params["master_kube_tag"] = cluster_template.labels["kube_tag"]
|
|
heat_params["minion_kube_tag"] = cluster_template.labels["kube_tag"]
|
|
heat_params["update_max_batch_size"] = max_batch_size
|
|
# Rules: 1. No downgrade 2. Explicitly override 3. Merging based on set
|
|
# Update heat_params based on the data generated above
|
|
del heat_params['kube_service_account_private_key']
|
|
del heat_params['kube_service_account_key']
|
|
|
|
for label in new_addons:
|
|
heat_params[label] = cluster_template.labels[label]
|
|
|
|
cluster['cluster_template_id'] = cluster_template.uuid
|
|
new_labels = cluster.labels.copy()
|
|
new_labels.update(cluster_template.labels)
|
|
cluster['labels'] = new_labels
|
|
|
|
fields = {
|
|
'existing': True,
|
|
'parameters': heat_params,
|
|
'disable_rollback': not rollback
|
|
}
|
|
osc.heat().stacks.update(cluster.stack_id, **fields)
|