188 lines
6.9 KiB
Python
188 lines
6.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 Mirantis, Inc.
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#
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# 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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import six
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from nailgun.api.v1.handlers import base
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from nailgun import objects
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from nailgun.task import manager
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from . import upgrade
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from . import validators
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from .objects import adapters
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class ClusterUpgradeCloneHandler(base.BaseHandler):
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single = objects.Cluster
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validator = validators.ClusterUpgradeValidator
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@base.handle_errors
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@base.validate
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@base.serialize
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def POST(self, cluster_id):
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"""Initialize the upgrade of the cluster.
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Creates a new cluster with specified name and release_id. The
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new cluster is created with parameters that are copied from the
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cluster with the given cluster_id. The values of the generated
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and editable attributes are just copied from one to the other.
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:param cluster_id: ID of the cluster from which parameters would
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be copied
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:returns: JSON representation of the created cluster
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:http: * 200 (OK)
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* 400 (upgrade parameters are invalid)
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* 404 (node or release not found in db)
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"""
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orig_cluster = adapters.NailgunClusterAdapter(
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self.get_object_or_404(self.single, cluster_id))
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request_data = self.checked_data(cluster=orig_cluster)
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new_cluster = upgrade.UpgradeHelper.clone_cluster(orig_cluster,
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request_data)
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return new_cluster.to_dict()
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class NodeReassignHandler(base.BaseHandler):
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single = objects.Cluster
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validator = validators.NodeReassignValidator
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task_manager = manager.ProvisioningTaskManager
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def handle_task(self, cluster_id, nodes):
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try:
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task_manager = self.task_manager(cluster_id=cluster_id)
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task = task_manager.execute(nodes)
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except Exception as exc:
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raise self.http(400, msg=six.text_type(exc))
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self.raise_task(task)
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@base.handle_errors
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@base.validate
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def POST(self, cluster_id):
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"""Reassign node to the given cluster.
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The given node will be assigned from the current cluster to the
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given cluster, by default it involves the reprovisioning of this
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node. If the 'reprovision' flag is set to False, then the node
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will be just reassigned. If the 'roles' list is specified, then
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the given roles will be used as 'pending_roles' in case of
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the reprovisioning or otherwise as 'roles'.
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:param cluster_id: ID of the cluster node should be assigned to.
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:returns: None
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:http: * 202 (OK)
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* 400 (Incorrect node state, problem with task execution,
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conflicting or incorrect roles)
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* 404 (Cluster or node not found)
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"""
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cluster = adapters.NailgunClusterAdapter(
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self.get_object_or_404(self.single, cluster_id))
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data = self.checked_data(cluster=cluster)
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node = adapters.NailgunNodeAdapter(
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self.get_object_or_404(objects.Node, data['node_id']))
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reprovision = data.get('reprovision', True)
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given_roles = data.get('roles', [])
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roles, pending_roles = upgrade.UpgradeHelper.get_node_roles(
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reprovision, node.roles, given_roles)
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upgrade.UpgradeHelper.assign_node_to_cluster(
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node, cluster, roles, pending_roles)
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if reprovision:
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self.handle_task(cluster_id, [node.node])
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class CopyVIPsHandler(base.BaseHandler):
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single = objects.Cluster
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validator = validators.CopyVIPsValidator
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@base.handle_errors
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@base.validate
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def POST(self, cluster_id):
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"""Copy VIPs from original cluster to new one
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Original cluster object is obtained from existing relation between
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clusters that is created on cluster clone operation
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:param cluster_id: id of cluster that VIPs must be copied to
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:http: * 200 (OK)
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* 400 (validation failed)
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* 404 (seed cluster is not found)
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"""
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from .objects import relations
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cluster = self.get_object_or_404(self.single, cluster_id)
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relation = relations.UpgradeRelationObject.get_cluster_relation(
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cluster.id)
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self.checked_data(cluster=cluster, relation=relation)
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# get original cluster object and create adapter with it
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orig_cluster_adapter = \
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adapters.NailgunClusterAdapter(
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adapters.NailgunClusterAdapter.get_by_uid(
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relation.orig_cluster_id)
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)
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seed_cluster_adapter = adapters.NailgunClusterAdapter(cluster)
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upgrade.UpgradeHelper.copy_vips(orig_cluster_adapter,
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seed_cluster_adapter)
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class CreateUpgradeReleaseHandler(base.BaseHandler):
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@staticmethod
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def merge_network_roles(base_nets, orig_nets):
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"""Create network metadata based on two releases.
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Overwrite base default_mapping by orig default_maping values.
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"""
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orig_network_dict = {n['id']: n for n in orig_nets}
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for base_net in base_nets:
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orig_net = orig_network_dict.get(base_net['id'])
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if orig_net is None:
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orig_net = base_net
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base_net['default_mapping'] = orig_net['default_mapping']
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return base_net
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@base.serialize
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def POST(self, cluster_id, release_id):
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"""Create release for upgrade purposes.
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Creates a new release with network_roles_metadata based the given
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release and re-use network parameters from the given cluster.
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:returns: JSON representation of the created cluster
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:http: * 200 (OK)
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* 404 (Cluster or release not found.)
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"""
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base_release = self.get_object_or_404(objects.Release, release_id)
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orig_cluster = self.get_object_or_404(objects.Cluster, cluster_id)
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orig_release = orig_cluster.release
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network_metadata = self.merge_network_roles(
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base_release.network_roles_metadata,
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orig_release.network_roles_metadata)
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data = objects.Release.to_dict(base_release)
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data['network_roles_metadata'] = network_metadata
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data['name'] = '{0} Upgrade ({1})'.format(
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base_release.name, orig_release.id)
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del data['id']
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new_release = objects.Release.create(data)
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return new_release.to_dict()
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