506 lines
17 KiB
Python
506 lines
17 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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import traceback
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import six
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import web
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from nailgun.api.v1.handlers.base import BaseHandler
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from nailgun.api.v1.handlers.base import handle_errors
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from nailgun.api.v1.handlers.base import serialize
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from nailgun.api.v1.handlers.base import validate
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from nailgun.api.v1.validators.cluster import ProvisionSelectedNodesValidator
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from nailgun.api.v1.validators.node import DeploySelectedNodesValidator
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from nailgun.api.v1.validators.node import NodeDeploymentValidator
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from nailgun.api.v1.validators.node import NodesFilterValidator
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from nailgun.api.v1.validators.orchestrator_graph import \
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GraphSolverVisualizationValidator
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from nailgun.logger import logger
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from nailgun import consts
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from nailgun import errors
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from nailgun import objects
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from nailgun import utils
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from nailgun.orchestrator import deployment_serializers
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from nailgun.orchestrator import graph_visualization
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from nailgun.orchestrator import orchestrator_graph
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from nailgun.orchestrator import provisioning_serializers
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from nailgun.orchestrator.stages import post_deployment_serialize
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from nailgun.orchestrator.stages import pre_deployment_serialize
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from nailgun.orchestrator import task_based_deployment
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from nailgun.task.helpers import TaskHelper
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from nailgun.task import manager
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from nailgun.task import task
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class NodesFilterMixin(object):
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validator = NodesFilterValidator
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def get_default_nodes(self, cluster):
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"""Method should be overriden and return list of nodes"""
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raise NotImplementedError('Please Implement this method')
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def get_nodes(self, cluster):
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"""If nodes selected in filter then return them
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else return default nodes
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"""
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nodes = self.get_param_as_set('nodes', default=[])
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if not nodes:
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return self.get_default_nodes(cluster) or []
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node_ids = self.checked_data(data=nodes)
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nodes_obj = self.get_objects_list_or_404(
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objects.NodeCollection,
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node_ids
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)
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self.checked_data(self.validator.validate_placement,
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data=nodes_obj, cluster=cluster)
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return nodes_obj
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class DefaultOrchestratorInfo(NodesFilterMixin, BaseHandler):
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"""Base class for default orchestrator data
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Need to redefine serializer variable
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"""
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@handle_errors
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@validate
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@serialize
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def GET(self, cluster_id):
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""":returns: JSONized default data which will be passed to orchestrator
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:http: * 200 (OK)
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* 400 (some nodes belong to different cluster or not assigned)
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* 404 (cluster not found in db)
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"""
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cluster = self.get_object_or_404(objects.Cluster, cluster_id)
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nodes = self.get_nodes(cluster)
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return self._serialize(cluster, nodes)
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def _serialize(self, cluster, nodes):
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raise NotImplementedError('Override the method')
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def get_default_nodes(self, cluster):
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return objects.Cluster.get_nodes_not_for_deletion(cluster)
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class OrchestratorInfo(BaseHandler):
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"""Base class for replaced data."""
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def get_orchestrator_info(self, cluster):
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"""Method should return data which will be passed to orchestrator"""
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raise NotImplementedError('Please Implement this method')
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def update_orchestrator_info(self, cluster, data):
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"""Method should override data which will be passed to orchestrator"""
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raise NotImplementedError('Please Implement this method')
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@handle_errors
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@validate
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@serialize
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def GET(self, cluster_id):
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""":returns: JSONized data which will be passed to orchestrator
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:http: * 200 (OK)
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* 404 (cluster not found in db)
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"""
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cluster = self.get_object_or_404(objects.Cluster, cluster_id)
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return self.get_orchestrator_info(cluster)
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@handle_errors
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@validate
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@serialize
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def PUT(self, cluster_id):
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""":returns: JSONized data which will be passed to orchestrator
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:http: * 200 (OK)
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* 400 (wrong data specified)
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* 404 (cluster not found in db)
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"""
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cluster = self.get_object_or_404(objects.Cluster, cluster_id)
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data = self.checked_data()
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self.update_orchestrator_info(cluster, data)
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logger.debug('OrchestratorInfo:'
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' facts for cluster_id {0} were uploaded'
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.format(cluster_id))
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return data
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@handle_errors
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@validate
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def DELETE(self, cluster_id):
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""":returns: {}
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:http: * 202 (orchestrator data deletion process launched)
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* 400 (failed to execute orchestrator data deletion process)
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* 404 (cluster not found in db)
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"""
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cluster = self.get_object_or_404(objects.Cluster, cluster_id)
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self.update_orchestrator_info(cluster, {})
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raise self.http(202, '{}')
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class DefaultProvisioningInfo(DefaultOrchestratorInfo):
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def _serialize(self, cluster, nodes):
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return provisioning_serializers.serialize(
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cluster, nodes, ignore_customized=True)
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class DefaultDeploymentInfo(DefaultOrchestratorInfo):
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def _serialize(self, cluster, nodes):
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if objects.Release.is_lcm_supported(cluster.release):
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serialized = deployment_serializers.serialize_for_lcm(
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cluster, nodes, ignore_customized=True
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)
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else:
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graph = orchestrator_graph.AstuteGraph(cluster)
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serialized = deployment_serializers.serialize(
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graph, cluster, nodes, ignore_customized=True)
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return _deployment_info_in_compatible_format(serialized)
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class DefaultPrePluginsHooksInfo(DefaultOrchestratorInfo):
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def _serialize(self, cluster, nodes):
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if objects.Release.is_lcm_supported(cluster.release):
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raise self.http(
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405, msg="The plugin hooks are not supported anymore."
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)
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graph = orchestrator_graph.AstuteGraph(cluster)
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return pre_deployment_serialize(graph, cluster, nodes)
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class DefaultPostPluginsHooksInfo(DefaultOrchestratorInfo):
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def _serialize(self, cluster, nodes):
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if objects.Release.is_lcm_supported(cluster.release):
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raise self.http(
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405, msg="The plugin hooks are not supported anymore."
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)
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graph = orchestrator_graph.AstuteGraph(cluster)
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return post_deployment_serialize(graph, cluster, nodes)
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class ProvisioningInfo(OrchestratorInfo):
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def get_orchestrator_info(self, cluster):
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return objects.Cluster.get_provisioning_info(cluster)
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def update_orchestrator_info(self, cluster, data):
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return objects.Cluster.replace_provisioning_info(cluster, data)
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class DeploymentInfo(OrchestratorInfo):
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def get_orchestrator_info(self, cluster):
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return _deployment_info_in_compatible_format(
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objects.Cluster.get_deployment_info(cluster)
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)
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def update_orchestrator_info(self, cluster, data):
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if isinstance(data, list):
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# FIXME(bgaifullin) need to update fuelclient
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# use uid common to determine cluster attributes
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nodes = {n['uid']: n for n in data if 'uid' in n}
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custom_info = {
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'common': nodes.pop('common', {}),
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'nodes': nodes
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}
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else:
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custom_info = data
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return _deployment_info_in_compatible_format(
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objects.Cluster.replace_deployment_info(cluster, custom_info)
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)
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class RunMixin(object):
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"""Provides dry_run or noop_run parameters."""
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def get_dry_run(self):
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return utils.parse_bool(web.input(dry_run='0').dry_run)
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def get_noop_run(self):
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return utils.parse_bool(web.input(noop_run='0').noop_run)
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class SelectedNodesBase(NodesFilterMixin, BaseHandler):
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"""Base class for running task manager on selected nodes."""
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def handle_task(self, cluster, **kwargs):
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nodes = self.get_nodes(cluster)
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try:
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task_manager = self.task_manager(
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cluster_id=cluster.id)
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task = task_manager.execute(nodes, **kwargs)
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except Exception as exc:
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logger.warn(
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u'Cannot execute %s task nodes: %s',
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task_manager.__class__.__name__, traceback.format_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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@handle_errors
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@validate
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def PUT(self, cluster_id):
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""":returns: JSONized Task object.
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:http: * 200 (task successfully executed)
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* 202 (task scheduled for execution)
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* 400 (data validation failed)
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* 404 (cluster or nodes not found in db)
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"""
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cluster = self.get_object_or_404(objects.Cluster, cluster_id)
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return self.handle_task(cluster)
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class ProvisionSelectedNodes(SelectedNodesBase):
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"""Handler for provisioning selected nodes."""
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validator = ProvisionSelectedNodesValidator
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task_manager = manager.ProvisioningTaskManager
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def get_default_nodes(self, cluster):
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return TaskHelper.nodes_to_provision(cluster)
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@handle_errors
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@validate
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def PUT(self, cluster_id):
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""":returns: JSONized Task object.
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:http: * 200 (task successfully executed)
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* 202 (task scheduled for execution)
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* 400 (data validation failed)
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* 404 (cluster or nodes not found in db)
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"""
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cluster = self.get_object_or_404(objects.Cluster, cluster_id)
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# actually, there is no data in http body. the only reason why
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# we use it here is to follow dry rule and do not convert exceptions
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# into http status codes again.
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self.checked_data(self.validator.validate_provision, cluster=cluster)
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return self.handle_task(cluster)
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class BaseDeploySelectedNodes(SelectedNodesBase):
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validator = DeploySelectedNodesValidator
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task_manager = manager.DeploymentTaskManager
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def get_default_nodes(self, cluster):
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return TaskHelper.nodes_to_deploy(cluster)
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def get_graph_type(self):
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return web.input(graph_type=None).graph_type or None
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def get_nodes(self, cluster):
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nodes_to_deploy = super(
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BaseDeploySelectedNodes, self).get_nodes(cluster)
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self.validate(cluster, nodes_to_deploy, self.get_graph_type())
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return nodes_to_deploy
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def validate(self, cluster, nodes_to_deploy, graph_type=None):
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self.checked_data(self.validator.validate_nodes_to_deploy,
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nodes=nodes_to_deploy, cluster_id=cluster.id)
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self.checked_data(self.validator.validate_release, cluster=cluster,
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graph_type=graph_type)
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class DeploySelectedNodes(BaseDeploySelectedNodes, RunMixin):
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"""Handler for deployment selected nodes."""
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@handle_errors
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@validate
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def PUT(self, cluster_id):
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""":returns: JSONized Task object.
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:http: * 200 (task successfully executed)
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* 202 (task scheduled for execution)
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* 400 (data validation failed)
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* 404 (cluster or nodes not found in db)
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"""
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cluster = self.get_object_or_404(objects.Cluster, cluster_id)
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force = utils.parse_bool(web.input(force='0').force)
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return self.handle_task(
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cluster=cluster,
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graph_type=self.get_graph_type(),
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force=force,
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dry_run=self.get_dry_run(),
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noop_run=self.get_noop_run()
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)
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class DeploySelectedNodesWithTasks(BaseDeploySelectedNodes, RunMixin):
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validator = NodeDeploymentValidator
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@handle_errors
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@validate
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def PUT(self, cluster_id):
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""":returns: JSONized Task object.
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:http: * 200 (task successfully executed)
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* 202 (task scheduled for execution)
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* 400 (data validation failed)
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* 404 (cluster or nodes not found in db)
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"""
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cluster = self.get_object_or_404(objects.Cluster, cluster_id)
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force = utils.parse_bool(web.input(force='0').force)
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data = self.checked_data(
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self.validator.validate_deployment,
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cluster=cluster,
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graph_type=self.get_graph_type())
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return self.handle_task(
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cluster,
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deployment_tasks=data,
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graph_type=self.get_graph_type(),
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force=force,
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dry_run=self.get_dry_run(),
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noop_run=self.get_noop_run()
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)
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class TaskDeployGraph(BaseHandler):
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validator = GraphSolverVisualizationValidator
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@handle_errors
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@validate
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def GET(self, cluster_id):
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""":returns: DOT representation of deployment graph.
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:http: * 200 (graph returned)
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* 404 (cluster not found in db)
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* 400 (failed to get graph)
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"""
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web.header('Content-Type', 'text/vnd.graphviz', unique=True)
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graph_type = web.input(graph_type=None).graph_type or None
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cluster = self.get_object_or_404(objects.Cluster, cluster_id)
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tasks = objects.Cluster.get_deployment_tasks(cluster, graph_type)
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graph = orchestrator_graph.GraphSolver(tasks)
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tasks = self.get_param_as_set('tasks', default=[])
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parents_for = web.input(parents_for=None).parents_for
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remove = self.get_param_as_set('remove')
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if tasks:
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tasks = self.checked_data(
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self.validator.validate,
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data=list(tasks),
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cluster=cluster,
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graph_type=graph_type)
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logger.debug('Tasks used in dot graph %s', tasks)
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if parents_for:
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parents_for = self.checked_data(
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self.validator.validate_task_presence,
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data=parents_for,
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graph=graph)
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logger.debug('Graph with predecessors for %s', parents_for)
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if remove:
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remove = list(remove)
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remove = self.checked_data(
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self.validator.validate_tasks_types,
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data=remove)
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logger.debug('Types to remove %s', remove)
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visualization = graph_visualization.GraphVisualization(graph)
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dotgraph = visualization.get_dotgraph(tasks=tasks,
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parents_for=parents_for,
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remove=remove)
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return dotgraph.to_string()
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class SerializedTasksHandler(NodesFilterMixin, BaseHandler):
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def get_default_nodes(self, cluster):
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if objects.Release.is_lcm_supported(cluster.release):
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return objects.Cluster.get_nodes_not_for_deletion(cluster).all()
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return TaskHelper.nodes_to_deploy(cluster)
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@handle_errors
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@validate
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@serialize
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def GET(self, cluster_id):
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""":returns: serialized tasks in json format
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:http: * 200 (serialized tasks returned)
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* 400 (task based deployment is not allowed for cluster)
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* 400 (some nodes belong to different cluster or not assigned)
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* 404 (cluster is not found)
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* 404 (nodes are not found)
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"""
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cluster = self.get_object_or_404(objects.Cluster, cluster_id)
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nodes = self.get_nodes(cluster)
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graph_type = web.input(graph_type=None).graph_type or None
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task_ids = self.get_param_as_set('tasks')
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try:
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if objects.Release.is_lcm_supported(cluster.release):
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# in order to do not repeat quite complex logic, we create
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# a temporary task (transaction) instance and pass it to
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# task_deploy serializer.
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transaction = objects.Transaction.model(
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name=consts.TASK_NAMES.deployment, cluster=cluster)
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rv = task.ClusterTransaction.task_deploy(
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transaction,
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objects.Cluster.get_deployment_tasks(cluster, graph_type),
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nodes,
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selected_task_ids=task_ids)
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objects.Transaction.delete(transaction)
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return rv
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# for old clusters we have to fallback to old serializers
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serialized_tasks = task_based_deployment.TasksSerializer.serialize(
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cluster,
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nodes,
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objects.Cluster.get_deployment_tasks(cluster, graph_type),
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task_ids=task_ids
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)
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return {'tasks_directory': serialized_tasks[0],
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'tasks_graph': serialized_tasks[1]}
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except errors.TaskBaseDeploymentNotAllowed as exc:
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raise self.http(400, msg=six.text_type(exc))
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def _deployment_info_in_compatible_format(depoyment_info):
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# FIXME(bgaifullin) need to update fuelclient
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# uid 'common' because fuelclient expects list of dicts, where
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# each dict contains field 'uid', which will be used as name of file
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data = depoyment_info.get('nodes', [])
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common = depoyment_info.get('common')
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if common:
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data.append(dict(common, uid='common'))
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return data
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