trove/trove/guestagent/datastore/experimental/vertica/manager.py

232 lines
9.4 KiB
Python

# Copyright [2015] Hewlett-Packard Development Company, L.P.
# 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.
import os
from oslo_service import periodic_task
from trove.common import cfg
from trove.common import exception
from trove.common.i18n import _
from trove.common import instance as rd_ins
from trove.guestagent.datastore.experimental.vertica.service import (
VerticaAppStatus)
from trove.guestagent.datastore.experimental.vertica.service import VerticaApp
from trove.guestagent import dbaas
from trove.guestagent import volume
from trove.openstack.common import log as logging
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
MANAGER = 'vertica' if not CONF.datastore_manager else CONF.datastore_manager
class Manager(periodic_task.PeriodicTasks):
def __init__(self):
self.appStatus = VerticaAppStatus()
self.app = VerticaApp(self.appStatus)
super(Manager, self).__init__(CONF)
@periodic_task.periodic_task
def update_status(self, context):
"""Update the status of the Vertica service."""
self.appStatus.update()
def rpc_ping(self, context):
LOG.debug("Responding to RPC ping.")
return True
def prepare(self, context, packages, databases, memory_mb, users,
device_path=None, mount_point=None, backup_info=None,
config_contents=None, root_password=None, overrides=None,
cluster_config=None,
snapshot=None, path_exists_function=os.path.exists):
"""Makes ready DBAAS on a Guest container."""
try:
LOG.info(_("Setting instance status to BUILDING."))
self.appStatus.begin_install()
if device_path:
device = volume.VolumeDevice(device_path)
# unmount if device is already mounted
device.unmount_device(device_path)
device.format()
if path_exists_function(mount_point):
# rsync any existing data
device.migrate_data(mount_point)
# mount the volume
device.mount(mount_point)
LOG.debug("Mounted the volume.")
self.app.install_if_needed(packages)
self.app.prepare_for_install_vertica()
if cluster_config is None:
self.app.install_vertica()
self.app.create_db()
self.app.complete_install_or_restart()
elif cluster_config['instance_type'] == "member":
self.appStatus.set_status(rd_ins.ServiceStatuses.BUILD_PENDING)
else:
LOG.error(_("Bad cluster configuration; instance type "
"given as %s.") % cluster_config['instance_type'])
raise RuntimeError("Bad cluster configuration.")
LOG.info(_('Completed setup of Vertica database instance.'))
except Exception:
LOG.exception(_('Cannot prepare Vertica database instance.'))
self.appStatus.set_status(rd_ins.ServiceStatuses.FAILED)
def restart(self, context):
LOG.debug("Restarting the database.")
self.app.restart()
LOG.debug("Restarted the database.")
def get_filesystem_stats(self, context, fs_path):
"""Gets the filesystem stats for the path given."""
LOG.debug("Finding the file-systems stats.")
mount_point = CONF.get(MANAGER).mount_point
return dbaas.get_filesystem_volume_stats(mount_point)
def stop_db(self, context, do_not_start_on_reboot=False):
LOG.debug("Stopping the database.")
self.app.stop_db(do_not_start_on_reboot=do_not_start_on_reboot)
LOG.debug("Stopped the database.")
def mount_volume(self, context, device_path=None, mount_point=None):
LOG.debug("Mounting the volume.")
device = volume.VolumeDevice(device_path)
device.mount(mount_point, write_to_fstab=False)
LOG.debug("Mounted the volume.")
def unmount_volume(self, context, device_path=None, mount_point=None):
LOG.debug("Unmounting the volume.")
device = volume.VolumeDevice(device_path)
device.unmount(mount_point)
LOG.debug("Unmounted the volume.")
def resize_fs(self, context, device_path=None, mount_point=None):
LOG.debug("Resizing the filesystem.")
device = volume.VolumeDevice(device_path)
device.resize_fs(mount_point)
LOG.debug("Resized the filesystem.")
def reset_configuration(self, context, configuration):
"""
Currently this method does nothing. This method needs to be
implemented to enable rollback of flavor-resize on guestagent side.
"""
LOG.debug("Resetting Vertica configuration.")
pass
def change_passwords(self, context, users):
LOG.debug("Changing password.")
raise exception.DatastoreOperationNotSupported(
operation='change_passwords', datastore=MANAGER)
def update_attributes(self, context, username, hostname, user_attrs):
LOG.debug("Updating database attributes.")
raise exception.DatastoreOperationNotSupported(
operation='update_attributes', datastore=MANAGER)
def create_database(self, context, databases):
LOG.debug("Creating database.")
raise exception.DatastoreOperationNotSupported(
operation='create_database', datastore=MANAGER)
def create_user(self, context, users):
LOG.debug("Creating user.")
raise exception.DatastoreOperationNotSupported(
operation='create_user', datastore=MANAGER)
def delete_database(self, context, database):
LOG.debug("Deleting database.")
raise exception.DatastoreOperationNotSupported(
operation='delete_database', datastore=MANAGER)
def delete_user(self, context, user):
LOG.debug("Deleting user.")
raise exception.DatastoreOperationNotSupported(
operation='delete_user', datastore=MANAGER)
def get_user(self, context, username, hostname):
LOG.debug("Getting user.")
raise exception.DatastoreOperationNotSupported(
operation='get_user', datastore=MANAGER)
def grant_access(self, context, username, hostname, databases):
LOG.debug("Granting acccess.")
raise exception.DatastoreOperationNotSupported(
operation='grant_access', datastore=MANAGER)
def revoke_access(self, context, username, hostname, database):
LOG.debug("Revoking access.")
raise exception.DatastoreOperationNotSupported(
operation='revoke_access', datastore=MANAGER)
def list_access(self, context, username, hostname):
LOG.debug("Listing access.")
raise exception.DatastoreOperationNotSupported(
operation='list_access', datastore=MANAGER)
def list_databases(self, context, limit=None, marker=None,
include_marker=False):
LOG.debug("Listing databases.")
raise exception.DatastoreOperationNotSupported(
operation='list_databases', datastore=MANAGER)
def list_users(self, context, limit=None, marker=None,
include_marker=False):
LOG.debug("Listing users.")
raise exception.DatastoreOperationNotSupported(
operation='list_users', datastore=MANAGER)
def enable_root(self, context):
LOG.debug("Enabling root.")
raise exception.DatastoreOperationNotSupported(
operation='enable_root', datastore=MANAGER)
def is_root_enabled(self, context):
LOG.debug("Checking if root is enabled.")
raise exception.DatastoreOperationNotSupported(
operation='is_root_enabled', datastore=MANAGER)
def create_backup(self, context, backup_info):
LOG.debug("Creating backup.")
raise exception.DatastoreOperationNotSupported(
operation='create_backup', datastore=MANAGER)
def start_db_with_conf_changes(self, context, config_contents):
LOG.debug("Starting with configuration changes.")
self.app.start_db_with_conf_changes(config_contents)
def get_public_keys(self, context, user):
LOG.debug("Retrieving public keys for %s." % user)
return self.app.get_public_keys(user)
def authorize_public_keys(self, context, user, public_keys):
LOG.debug("Authorizing public keys for %s." % user)
return self.app.authorize_public_keys(user, public_keys)
def install_cluster(self, context, members):
try:
LOG.debug("Installing cluster on members: %s." % members)
self.app.install_cluster(members)
LOG.debug("install_cluster call has finished.")
except Exception:
LOG.exception(_('Cluster installation failed.'))
self.appStatus.set_status(rd_ins.ServiceStatuses.FAILED)
raise
def cluster_complete(self, context):
LOG.debug("Cluster creation complete, starting status checks.")
status = self.appStatus._get_actual_db_status()
self.appStatus.set_status(status)