def do_prepare(self, context, packages, databases, memory_mb, users,
device_path, mount_point, backup_info,
config_contents, root_password, overrides,
cluster_config, snapshot):
"""This is called from prepare in the base class."""
self.app.install_if_needed(packages)
self.app.init_storage_structure(mount_point)
if config_contents or device_path:
# Stop the db while we configure
# FIXME(amrith) Once the cassandra bug
# https://issues.apache.org/jira/browse/CASSANDRA-2356
# is fixed, this code may have to be revisited.
LOG.debug("Stopping database prior to initial configuration.")
self.app.stop_db()
if config_contents:
LOG.debug("Applying configuration.")
self.app.configuration_manager.save_configuration(
config_contents)
self.app.apply_initial_guestagent_configuration()
if device_path:
LOG.debug("Preparing data volume.")
device = volume.VolumeDevice(device_path)
# unmount if device is already mounted
device.unmount_device(device_path)
device.format()
if os.path.exists(mount_point):
# rsync exiting data
LOG.debug("Migrating existing data.")
device.migrate_data(mount_point)
# mount the volume
LOG.debug("Mounting new volume.")
device.mount(mount_point)
LOG.debug("Starting database with configuration changes.")
self.app.start_db(update_db=False)
if not self.app.has_user_config():
LOG.debug("Securing superuser access.")
self.app.secure()
self.app.restart()
self.__admin = CassandraAdmin(self.app.get_current_superuser())
def __init__(self):
self._app = service.CassandraApp()
self.__admin = CassandraAdmin(self.app.get_current_superuser())
super(Manager, self).__init__('cassandra')
def store_admin_credentials(self, context, admin_credentials):
self.app.store_admin_credentials(admin_credentials)
self.__admin = CassandraAdmin(self.app.get_current_superuser())
def do_prepare(self, context, packages, databases, memory_mb, users,
device_path, mount_point, backup_info, config_contents,
root_password, overrides, cluster_config, snapshot):
"""This is called from prepare in the base class."""
self.app.install_if_needed(packages)
self.app.init_storage_structure(mount_point)
if config_contents or device_path or backup_info:
# FIXME(pmalik) Once the cassandra bug
# https://issues.apache.org/jira/browse/CASSANDRA-2356
# is fixed, this code may have to be revisited.
#
# Cassandra generates system keyspaces on the first start.
# The stored properties include the 'cluster_name', which once
# saved cannot be easily changed without removing the system
# tables. It is crucial that the service does not boot up in
# the middle of the configuration procedure.
# We wait here for the service to come up, stop it properly and
# remove the generated keyspaces before proceeding with
# configuration. If it does not start up within the time limit
# we assume it is not going to and proceed with configuration
# right away.
LOG.debug("Waiting for database first boot.")
if (self.app.status.wait_for_real_status_to_change_to(
trove_instance.ServiceStatuses.RUNNING,
CONF.state_change_wait_time, False)):
LOG.debug("Stopping database prior to initial configuration.")
self.app.stop_db()
self.app._remove_system_tables()
LOG.debug("Starting initial configuration.")
if config_contents:
LOG.debug("Applying configuration.")
self.app.configuration_manager.save_configuration(
config_contents)
cluster_name = None
if cluster_config:
cluster_name = cluster_config.get('id', None)
self.app.apply_initial_guestagent_configuration(
cluster_name=cluster_name)
if cluster_config:
self.app.write_cluster_topology(cluster_config['dc'],
cluster_config['rack'],
prefer_local=True)
if device_path:
LOG.debug("Preparing data volume.")
device = volume.VolumeDevice(device_path)
# unmount if device is already mounted
device.unmount_device(device_path)
device.format()
if os.path.exists(mount_point):
# rsync exiting data
LOG.debug("Migrating existing data.")
device.migrate_data(mount_point)
# mount the volume
LOG.debug("Mounting new volume.")
device.mount(mount_point)
if not cluster_config:
if backup_info:
self._perform_restore(backup_info, context, mount_point)
LOG.debug("Starting database with configuration changes.")
self.app.start_db(update_db=False)
if not self.app.has_user_config():
LOG.debug("Securing superuser access.")
self.app.secure()
self.app.restart()
self.__admin = CassandraAdmin(self.app.get_current_superuser())
if not cluster_config and self.is_root_enabled(context):
self.status.report_root(context, self.app.default_superuser_name)
def cluster_secure(self, context, password):
os_admin = self.app.cluster_secure(password)
self.__admin = CassandraAdmin(self.app.get_current_superuser())
return os_admin