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# Copyright 2011 OpenStack Foundation
# Copyright 2013 Rackspace Hosting
# Copyright 2013 Hewlett-Packard Development Company, L.P.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from troveclient import base
from troveclient import common
REBOOT_SOFT = 'SOFT'
REBOOT_HARD = 'HARD'
class Instance(base.Resource):
"""An Instance is an opaque instance used to store Database instances."""
def __repr__(self):
return "<Instance: %s>" % self.name
def list_databases(self):
return self.manager.databases.list(self)
def delete(self):
"""Delete the instance."""
self.manager.delete(self)
def restart(self):
"""Restart the database instance."""
self.manager.restart(self.id)
def detach_replica(self):
"""Stops the replica database from being replicated to."""
self.manager.edit(self.id, detach_replica_source=True)
class Instances(base.ManagerWithFind):
"""Manage :class:`Instance` resources."""
resource_class = Instance
# TODO(SlickNik): Remove slave_of param after updating tests to replica_of
def create(self, name, flavor_id, volume=None, databases=None, users=None,
restorePoint=None, availability_zone=None, datastore=None,
datastore_version=None, nics=None, configuration=None,
replica_of=None, slave_of=None):
"""Create (boot) a new instance."""
body = {"instance": {
"name": name,
"flavorRef": flavor_id
}}
datastore_obj = {}
if volume:
body["instance"]["volume"] = volume
if databases:
body["instance"]["databases"] = databases
if users:
body["instance"]["users"] = users
if restorePoint:
body["instance"]["restorePoint"] = restorePoint
if availability_zone:
body["instance"]["availability_zone"] = availability_zone
if datastore:
datastore_obj["type"] = datastore
if datastore_version:
datastore_obj["version"] = datastore_version
if datastore_obj:
body["instance"]["datastore"] = datastore_obj
if nics:
body["instance"]["nics"] = nics
if configuration:
body["instance"]["configuration"] = configuration
if replica_of or slave_of:
body["instance"]["replica_of"] = replica_of or slave_of
return self._create("/instances", body, "instance")
def modify(self, instance_id, configuration=None):
body = {
"instance": {
}
}
if configuration is not None:
body["instance"]["configuration"] = configuration
url = "/instances/%s" % instance_id
resp, body = self.api.client.put(url, body=body)
common.check_for_exceptions(resp, body, url)
def edit(self, instance_id, configuration=None, name=None,
detach_replica_source=False, remove_configuration=False):
body = {
"instance": {
}
}
if configuration and remove_configuration:
raise Exception("Cannot attach and detach configuration "
"simultaneosly.")
if remove_configuration:
body["instance"]["configuration"] = None
if configuration is not None:
body["instance"]["configuration"] = configuration
if name is not None:
body["instance"]["name"] = name
if detach_replica_source:
# TODO(glucas): Remove slave_of after updating trove
# (see trove.instance.service.InstanceController#edit)
body["instance"]["slave_of"] = None
body["instance"]["replica_of"] = None
url = "/instances/%s" % instance_id
resp, body = self.api.client.patch(url, body=body)
common.check_for_exceptions(resp, body, url)
def list(self, limit=None, marker=None, include_clustered=False):
"""Get a list of all instances.
:rtype: list of :class:`Instance`.
"""
return self._paginated("/instances", "instances", limit, marker,
{"include_clustered": include_clustered})
def get(self, instance):
"""Get a specific instances.
:rtype: :class:`Instance`
"""
return self._get("/instances/%s" % base.getid(instance),
"instance")
def backups(self, instance, limit=None, marker=None):
"""Get the list of backups for a specific instance.
:rtype: list of :class:`Backups`.
"""
url = "/instances/%s/backups" % base.getid(instance)
return self._paginated(url, "backups", limit, marker)
def delete(self, instance):
"""Delete the specified instance.
:param instance_id: The instance id to delete
"""
url = "/instances/%s" % base.getid(instance)
resp, body = self.api.client.delete(url)
common.check_for_exceptions(resp, body, url)
def _action(self, instance_id, body):
"""Perform a server "action" -- reboot/rebuild/resize/etc."""
url = "/instances/%s/action" % instance_id
resp, body = self.api.client.post(url, body=body)
common.check_for_exceptions(resp, body, url)
if body:
return self.resource_class(self, body, loaded=True)
return body
def resize_volume(self, instance_id, volume_size):
"""Resize the volume on an existing instances."""
body = {"resize": {"volume": {"size": volume_size}}}
self._action(instance_id, body)
def resize_instance(self, instance_id, flavor_id):
"""Resizes an instance with a new flavor."""
body = {"resize": {"flavorRef": flavor_id}}
self._action(instance_id, body)
def restart(self, instance_id):
"""Restart the database instance.
:param instance_id: The :class:`Instance` (or its ID) to share onto.
"""
body = {'restart': {}}
self._action(instance_id, body)
def configuration(self, instance):
"""Get a configuration on instances.
:rtype: :class:`Instance`
"""
return self._get("/instances/%s/configuration" % base.getid(instance),
"instance")
class InstanceStatus(object):
ACTIVE = "ACTIVE"
BLOCKED = "BLOCKED"
BUILD = "BUILD"
FAILED = "FAILED"
REBOOT = "REBOOT"
RESIZE = "RESIZE"
SHUTDOWN = "SHUTDOWN"
RESTART_REQUIRED = "RESTART_REQUIRED"
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