112 lines
3.7 KiB
Python
112 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2013 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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"""
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Handlers dealing with nodes assignment
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"""
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import traceback
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from nailgun.api.v1.handlers.base import BaseHandler
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from nailgun.api.v1.handlers.base import content_json
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from nailgun.api.v1.validators.assignment import NodeAssignmentValidator
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from nailgun.api.v1.validators.assignment import NodeUnassignmentValidator
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from nailgun.db.sqlalchemy.models import Node
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from nailgun import objects
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from nailgun.logger import logger
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from nailgun import notifier
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class NodeAssignmentHandler(BaseHandler):
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"""Node assignment handler
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"""
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validator = NodeAssignmentValidator
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@content_json
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def POST(self, cluster_id):
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""":returns: Http response.
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:http: * 201 (nodes are successfully assigned)
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* 400 (invalid nodes data specified)
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"""
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data = self.checked_data(
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self.validator.validate_collection_update,
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cluster_id=cluster_id
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)
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nodes = self.get_objects_list_or_404(Node, data.keys())
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cluster = self.get_object_or_404(objects.Cluster.model, cluster_id)
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for node in nodes:
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node.cluster = cluster
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node.pending_roles = data[node.id]
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node.pending_addition = True
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try:
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node.attributes.volumes = \
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node.volume_manager.gen_volumes_info()
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objects.Cluster.add_pending_changes(
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node.cluster,
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"disks",
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node_id=node.id
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)
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network_manager = objects.Node.get_network_manager(node)
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network_manager.assign_networks_by_default(node)
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except Exception as exc:
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logger.warning(traceback.format_exc())
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notifier.notify(
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"error",
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u"Failed to generate attributes for node '{0}': '{1}'"
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.format(
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node.human_readable_name(),
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str(exc) or u"see logs for details"
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),
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node_id=node.id
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)
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class NodeUnassignmentHandler(BaseHandler):
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"""Node assignment handler
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"""
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validator = NodeUnassignmentValidator
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@content_json
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def POST(self, cluster_id):
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""":returns: Empty string
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:http: * 204 (node successfully unassigned)
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* 404 (node not found in db)
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"""
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cluster = self.get_object_or_404(objects.Cluster.model, cluster_id)
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nodes = self.checked_data(
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self.validator.validate_collection_update,
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cluster_id=cluster.id
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)
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for node in nodes:
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if node.status == "discover":
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objects.Cluster.clear_pending_changes(
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node.cluster,
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node_id=node.id
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)
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node.pending_roles = []
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node.cluster_id = None
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node.pending_addition = False
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objects.Node.get_network_manager(
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node
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).clear_assigned_networks(node)
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else:
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node.pending_deletion = True
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