b33337b7bd
Now that we replaced voluptuous with JSONSchema in all actions, this patch replaces voluptuous with JSONSchema in BaseAction and removes validate_parameters method in each action. Partially Implements: blueprint jsonschema-validation Change-Id: I07c907ddfa4a568d7fff42776df02218330d56a0
112 lines
3.4 KiB
Python
112 lines
3.4 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright (c) 2017 Servionica
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#
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# Authors: Alexander Chadin <a.chadin@servionica.ru>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from oslo_log import log
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from watcher.applier.actions import base
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from watcher.common import nova_helper
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LOG = log.getLogger(__name__)
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class Resize(base.BaseAction):
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"""Resizes a server with specified flavor.
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This action will allow you to resize a server to another flavor.
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The action schema is::
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schema = Schema({
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'resource_id': str, # should be a UUID
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'flavor': str, # should be either ID or Name of Flavor
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})
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The `resource_id` is the UUID of the server to resize.
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The `flavor` is the ID or Name of Flavor (Nova accepts either ID or Name
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of Flavor to resize() function).
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"""
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# input parameters constants
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FLAVOR = 'flavor'
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@property
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def schema(self):
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return {
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'type': 'object',
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'properties': {
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'resource_id': {
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'type': 'string',
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'minlength': 1,
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'pattern': ('^([a-fA-F0-9]){8}-([a-fA-F0-9]){4}-'
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'([a-fA-F0-9]){4}-([a-fA-F0-9]){4}-'
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'([a-fA-F0-9]){12}$')
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},
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'flavor': {
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'type': 'string',
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'minlength': 1,
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},
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},
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'required': ['resource_id', 'flavor'],
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'additionalProperties': False,
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}
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@property
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def instance_uuid(self):
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return self.resource_id
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@property
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def flavor(self):
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return self.input_parameters.get(self.FLAVOR)
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def resize(self):
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nova = nova_helper.NovaHelper(osc=self.osc)
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LOG.debug("Resize instance %s to %s flavor", self.instance_uuid,
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self.flavor)
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instance = nova.find_instance(self.instance_uuid)
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result = None
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if instance:
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try:
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result = nova.resize_instance(
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instance_id=self.instance_uuid, flavor=self.flavor)
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except Exception as exc:
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LOG.exception(exc)
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LOG.critical(
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"Unexpected error occurred. Resizing failed for "
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"instance %s.", self.instance_uuid)
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return result
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def execute(self):
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return self.resize()
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def revert(self):
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return self.migrate(destination=self.source_node)
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def pre_condition(self):
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# TODO(jed): check if the instance exists / check if the instance is on
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# the source_node
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pass
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def post_condition(self):
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# TODO(jed): check extra parameters (network response, etc.)
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pass
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def get_description(self):
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"""Description of the action"""
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return "Resize a server with specified flavor."
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