150 lines
4.1 KiB
Python
150 lines
4.1 KiB
Python
# Copyright (c) 2011 OpenStack, LLC.
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# All Rights Reserved.
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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 novaclient import base
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import exceptions
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from reddwarfclient.common import check_for_exceptions
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REBOOT_SOFT, REBOOT_HARD = 'SOFT', 'HARD'
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class Instance(base.Resource):
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"""
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An Instance is an opaque instance used to store Database instances.
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"""
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def __repr__(self):
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return "<Instance: %s>" % self.name
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def list_databases(self):
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return self.manager.databases.list(self)
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def delete(self):
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"""
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Delete the instance.
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"""
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self.manager.delete(self)
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def restart(self):
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"""
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Restart the database instance
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"""
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self.manager.restart(self.id)
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class Instances(base.ManagerWithFind):
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"""
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Manage :class:`Instance` resources.
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"""
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resource_class = Instance
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def create(self, name, flavor_id, volume, databases=None, users=None):
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"""
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Create (boot) a new instance.
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"""
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body = {"instance": {
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"name": name,
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"flavorRef": flavor_id,
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"volume": volume
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}}
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if databases:
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body["instance"]["databases"] = databases
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if users:
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body["instance"]["users"] = users
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return self._create("/instances", body, "instance")
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def _list(self, url, response_key):
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resp, body = self.api.client.get(url)
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if not body:
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raise Exception("Call to " + url + " did not return a body.")
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return [self.resource_class(self, res) for res in body[response_key]]
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def list(self):
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"""
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Get a list of all instances.
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:rtype: list of :class:`Instance`.
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"""
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return self._list("/instances/detail", "instances")
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def index(self):
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"""
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Get a list of all instances.
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:rtype: list of :class:`Instance`.
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"""
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return self._list("/instances", "instances")
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def details(self):
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"""
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Get details of all instances.
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:rtype: list of :class:`Instance`.
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"""
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return self._list("/instances/detail", "instances")
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def get(self, instance):
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"""
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Get a specific instances.
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:rtype: :class:`Instance`
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"""
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return self._get("/instances/%s" % base.getid(instance),
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"instance")
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def delete(self, instance):
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"""
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Delete the specified instance.
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:param instance_id: The instance id to delete
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"""
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resp, body = self.api.client.delete("/instances/%s" % base.getid(instance))
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if resp.status in (422, 500):
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raise exceptions.from_response(resp, body)
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def _action(self, instance_id, body):
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"""
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Perform a server "action" -- reboot/rebuild/resize/etc.
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"""
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url = "/instances/%s/action" % instance_id
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resp, body = self.api.client.post(url, body=body)
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check_for_exceptions(resp, body)
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def resize_volume(self, instance_id, volume_size):
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"""
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Resize the volume on an existing instances
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"""
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body = {"resize": {"volume": {"size": volume_size}}}
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self._action(instance_id, body)
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def resize_instance(self, instance_id, flavor_id):
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"""
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Resize the volume on an existing instances
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"""
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body = {"resize": {"flavorRef": flavor_id}}
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self._action(instance_id, body)
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def restart(self, instance_id):
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"""
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Restart the database instance.
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:param instance_id: The :class:`Instance` (or its ID) to share onto.
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"""
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body = {'restart': {}}
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self._action(instance_id, body)
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