117 lines
3.6 KiB
Python
117 lines
3.6 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 disks
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"""
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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.node import NodeDisksValidator
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from nailgun import objects
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from nailgun.db import db
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from nailgun.db.sqlalchemy.models import Node
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from nailgun.db.sqlalchemy.models import NodeAttributes
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from nailgun.volumes.manager import DisksFormatConvertor
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class NodeDisksHandler(BaseHandler):
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"""Node disks handler
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"""
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validator = NodeDisksValidator
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@content_json
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def GET(self, node_id):
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""":returns: JSONized node disks.
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:http: * 200 (OK)
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* 404 (node not found in db)
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"""
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node = self.get_object_or_404(Node, node_id)
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node_volumes = node.attributes.volumes
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return DisksFormatConvertor.format_disks_to_simple(node_volumes)
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@content_json
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def PUT(self, node_id):
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""":returns: JSONized node disks.
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:http: * 200 (OK)
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* 400 (invalid disks data specified)
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* 404 (node not found in db)
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"""
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node = self.get_object_or_404(Node, node_id)
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data = self.checked_data()
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if node.cluster:
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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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volumes_data = DisksFormatConvertor.format_disks_to_full(node, data)
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# For some reasons if we update node attributes like
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# node.attributes.volumes = volumes_data
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# after
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# db().commit()
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# it resets to previous state
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db().query(NodeAttributes).filter_by(node_id=node_id).update(
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{'volumes': volumes_data})
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db().flush()
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db().refresh(node)
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return DisksFormatConvertor.format_disks_to_simple(
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node.attributes.volumes)
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class NodeDefaultsDisksHandler(BaseHandler):
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"""Node default disks handler
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"""
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@content_json
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def GET(self, node_id):
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""":returns: JSONized node disks.
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:http: * 200 (OK)
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* 404 (node or its attributes not found in db)
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"""
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node = self.get_object_or_404(Node, node_id)
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if not node.attributes:
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raise self.http(404)
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volumes = DisksFormatConvertor.format_disks_to_simple(
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node.volume_manager.gen_volumes_info())
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return volumes
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class NodeVolumesInformationHandler(BaseHandler):
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"""Node volumes information handler
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"""
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@content_json
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def GET(self, node_id):
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""":returns: JSONized volumes info for node.
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:http: * 200 (OK)
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* 404 (node not found in db)
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"""
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node = self.get_object_or_404(Node, node_id)
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if node.cluster is None:
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raise self.http(404, 'Cannot calculate volumes info. '
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'Please, add node to an environment.')
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volumes_info = DisksFormatConvertor.get_volumes_info(node)
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return volumes_info
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