180 lines
6.6 KiB
Python
Executable File
180 lines
6.6 KiB
Python
Executable File
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_log import log as logging
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from tempest.lib import exceptions
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from magnum_tempest_plugin.common import client
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from magnum_tempest_plugin.common import utils
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from magnum_tempest_plugin.tests.api.v1.models import cluster_id_model
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from magnum_tempest_plugin.tests.api.v1.models import cluster_model
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class ClusterClient(client.MagnumClient):
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"""Encapsulates REST calls and maps JSON to/from models"""
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LOG = logging.getLogger(__name__)
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@classmethod
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def clusters_uri(cls, filters=None):
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"""Construct clusters uri with optional filters
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:param filters: Optional k:v dict that's converted to url query
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:returns: url string
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"""
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url = "/clusters"
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if filters:
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url = cls.add_filters(url, filters)
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return url
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@classmethod
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def cluster_uri(cls, cluster_id):
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"""Construct cluster uri
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:param cluster_id: cluster uuid or name
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:returns: url string
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"""
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return "{0}/{1}".format(cls.clusters_uri(), cluster_id)
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def list_clusters(self, filters=None, **kwargs):
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"""Makes GET /clusters request and returns ClusterCollection
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Abstracts REST call to return all clusters
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:param filters: Optional k:v dict that's converted to url query
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:returns: response object and ClusterCollection object
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"""
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resp, body = self.get(self.clusters_uri(filters), **kwargs)
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return self.deserialize(resp, body, cluster_model.ClusterCollection)
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def get_cluster(self, cluster_id, **kwargs):
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"""Makes GET /cluster request and returns ClusterEntity
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Abstracts REST call to return a single cluster based on uuid or name
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:param cluster_id: cluster uuid or name
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:returns: response object and ClusterCollection object
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"""
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resp, body = self.get(self.cluster_uri(cluster_id))
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return self.deserialize(resp, body, cluster_model.ClusterEntity)
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def post_cluster(self, model, **kwargs):
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"""Makes POST /cluster request and returns ClusterIdEntity
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Abstracts REST call to create new cluster
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:param model: ClusterEntity
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:returns: response object and ClusterIdEntity object
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"""
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resp, body = self.post(
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self.clusters_uri(),
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body=model.to_json(), **kwargs)
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return self.deserialize(resp, body, cluster_id_model.ClusterIdEntity)
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def patch_cluster(self, cluster_id, clusterpatch_listmodel, **kwargs):
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"""Makes PATCH /cluster request and returns ClusterIdEntity
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Abstracts REST call to update cluster attributes
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:param cluster_id: UUID of cluster
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:param clusterpatch_listmodel: ClusterPatchCollection
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:returns: response object and ClusterIdEntity object
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"""
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resp, body = self.patch(
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self.cluster_uri(cluster_id),
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body=clusterpatch_listmodel.to_json(), **kwargs)
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return self.deserialize(resp, body, cluster_id_model.ClusterIdEntity)
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def delete_cluster(self, cluster_id, **kwargs):
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"""Makes DELETE /cluster request and returns response object
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Abstracts REST call to delete cluster based on uuid or name
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:param cluster_id: UUID or name of cluster
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:returns: response object
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"""
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return self.delete(self.cluster_uri(cluster_id), **kwargs)
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def wait_for_cluster_to_delete(self, cluster_id):
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utils.wait_for_condition(
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lambda: self.does_cluster_not_exist(cluster_id), 10, 300)
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def wait_for_created_cluster(self, cluster_id, delete_on_error=True,
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timeout=3600):
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try:
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utils.wait_for_condition(
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lambda: self.does_cluster_exist(cluster_id), 10, timeout)
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except Exception:
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# In error state. Clean up the cluster id if desired
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self.LOG.error('Cluster %s entered an exception state.',
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cluster_id)
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if delete_on_error:
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self.LOG.warning('We will attempt to delete clusters now.')
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self.delete_cluster(cluster_id)
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self.wait_for_cluster_to_delete(cluster_id)
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raise
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def wait_for_final_state(self, cluster_id):
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utils.wait_for_condition(
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lambda: self.is_cluster_in_final_state(cluster_id), 10, 3600)
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def is_cluster_in_final_state(self, cluster_id):
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try:
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resp, model = self.get_cluster(cluster_id)
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if model.status in ['CREATED', 'CREATE_COMPLETE',
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'ERROR', 'CREATE_FAILED']:
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self.LOG.info('Cluster %s succeeded.', cluster_id)
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return True
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else:
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return False
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except exceptions.NotFound:
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self.LOG.warning('Cluster %s is not found.', cluster_id)
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return False
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def does_cluster_exist(self, cluster_id):
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try:
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resp, model = self.get_cluster(cluster_id)
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if model.status in ['CREATED', 'CREATE_COMPLETE']:
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self.LOG.info('Cluster %s is created.', cluster_id)
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return True
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elif model.status in ['ERROR', 'CREATE_FAILED']:
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self.LOG.error('Cluster %s is in failed state, status_reason: '
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'%s', cluster_id, model.status_reason)
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raise exceptions.ServerFault(
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"Got into an error condition: %s for %s" %
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(model.status, cluster_id))
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else:
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return False
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except exceptions.NotFound:
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self.LOG.warning('Cluster %s is not found.', cluster_id)
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return False
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def does_cluster_not_exist(self, cluster_id):
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try:
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self.get_cluster(cluster_id)
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except exceptions.NotFound:
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self.LOG.warning('Cluster %s is not found.', cluster_id)
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return True
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except exceptions.BadRequest:
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self.LOG.warning('Cluster %s returned a bad state. Assuming '
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'temporary failure and the cluster still exists.',
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cluster_id)
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return False
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return False
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