102 lines
3.3 KiB
Python
102 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 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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from nailgun.api.v1.validators.base import BasicValidator
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from nailgun.api.v1.validators.json_schema import base_types
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from nailgun.api.v1.validators.json_schema import tasks
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from nailgun import consts
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from nailgun.errors import errors
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from nailgun import objects
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from nailgun.orchestrator import orchestrator_graph
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class GraphSolverTasksValidator(BasicValidator):
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@classmethod
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def validate_update(cls, data, instance):
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parsed = cls.validate(data)
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cls.validate_schema(parsed, tasks.TASKS_SCHEMA)
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graph_validator = orchestrator_graph.GraphSolverValidator(
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parsed)
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graph_validator.check()
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return parsed
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class TaskDeploymentValidator(BasicValidator):
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@classmethod
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def validate_tasks(cls, tasks, cluster):
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"""Check that passed tasks are present in deployment graph
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:param tasks: list of tasks
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:param cluster: Cluster DB object
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:returns: list of tasks
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"""
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cls.validate_schema(tasks, base_types.STRINGS_ARRAY)
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deployment_tasks = objects.Cluster.get_deployment_tasks(cluster)
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graph = orchestrator_graph.GraphSolver()
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graph.add_tasks(deployment_tasks)
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non_existent_tasks = set(tasks) - set(graph.nodes())
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if non_existent_tasks:
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raise errors.InvalidData(
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'Tasks {0} are not present in deployment graph'.format(
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','.join(non_existent_tasks)))
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return tasks
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@classmethod
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def validate_tasks_types(cls, types):
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"""Check that passed types are actuall tasks types
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:param types: list of types
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"""
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cls.validate_schema(types, base_types.STRINGS_ARRAY)
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non_existent_types = set(types) - set(consts.INTERNAL_TASKS)
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if non_existent_types:
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raise errors.InvalidData("Task types {0} do not exist".format(
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','.join(non_existent_types)))
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return types
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class GraphSolverVisualizationValidator(TaskDeploymentValidator):
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@classmethod
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def validate(cls, data, cluster):
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"""Check that passed tasks are present in deployment graph
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:param data: list of tasks in string representation.
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Example: "hiera,controller"
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:param cluster: Cluster DB object
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"""
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tasks = list(set(data.split(',')))
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return cls.validate_tasks(tasks, cluster)
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@classmethod
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def validate_task_presence(cls, task, graph):
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"""Checks if task is present in graph.
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:param task: task name to check
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:param graph: graph where task presence will be check
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"""
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if not graph.has_node(task):
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raise errors.InvalidData(
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'Task {0} is not present in graph'.format(task))
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return task
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