def migrate(cls):
# type: () -> None
"""
Execute the migration logic.
:return: None
:rtype: NoneType
"""
with file_mutex('package_update_pu'):
local_client = SSHClient(endpoint='127.0.0.1', username='******')
# Override the created openvstorage_sdm_id during package install, with currently available SDM ID
if local_client.file_exists(BOOTSTRAP_FILE):
with open(BOOTSTRAP_FILE) as bstr_file:
node_id = json.load(bstr_file)['node_id']
local_client.file_write(filename='/etc/openvstorage_sdm_id',
contents=node_id + '\n')
else:
with open('/etc/openvstorage_sdm_id', 'r') as id_file:
node_id = id_file.read().strip()
key = '{0}/versions'.format(
ASD_NODE_CONFIG_LOCATION.format(node_id))
version = Configuration.get(key) if Configuration.exists(
key) else 0
asd_manager_service_name = 'asd-manager'
if cls.service_manager.has_service(
asd_manager_service_name,
local_client) and cls.service_manager.get_service_status(
asd_manager_service_name, local_client) == 'active':
cls.logger.info('Stopping asd-manager service')
cls.service_manager.stop_service(asd_manager_service_name,
local_client)
# @TODO: Move these migrations to alba_node.client.update_execute_migration_code()
if version < cls.CURRENT_VERSION:
try:
# DB migrations
from source.controllers.asd import ASDController
from source.controllers.disk import DiskController
from source.dal.asdbase import ASDBase
from source.dal.lists.asdlist import ASDList
from source.dal.lists.disklist import DiskList
from source.dal.objects.asd import ASD
if not local_client.file_exists('{0}/main.db'.format(
ASDBase.DATABASE_FOLDER)):
local_client.dir_create([ASDBase.DATABASE_FOLDER])
asd_map = dict(
(asd.asd_id, asd) for asd in ASDList.get_asds())
DiskController.sync_disks()
for disk in DiskList.get_usable_disks():
if disk.state == 'MISSING' or disk.mountpoint is None:
continue
for asd_id in local_client.dir_list(disk.mountpoint):
if asd_id in asd_map:
asd = asd_map[asd_id]
else:
asd = ASD()
asd.disk = disk
asd.asd_id = asd_id
asd.folder = asd_id
if asd.has_config:
if asd.port is None or asd.hosts is None:
config = Configuration.get(
key=asd.config_key)
asd.port = config['port']
asd.hosts = config.get('ips', [])
asd.save()
# Adjustment of open file descriptors for ASD/maintenance services to 8192
asd_service_names = list(ASDController.list_asd_services())
maintenance_service_names = list(
MaintenanceController.get_services())
for service_name in asd_service_names + maintenance_service_names:
if cls.service_manager.has_service(
name=service_name, client=local_client):
if cls.service_manager.__class__ == Systemd:
path = '/lib/systemd/system/{0}.service'.format(
service_name)
check = 'LimitNOFILE=8192'
else:
path = '/etc/init/{0}.conf'.format(
service_name)
check = 'limit nofile 8192 8192'
restart_required = False
if os.path.exists(path):
with open(path, 'r') as system_file:
if check not in system_file.read():
restart_required = True
if restart_required is False:
continue
configuration_key = ServiceFactory.SERVICE_CONFIG_KEY.format(
node_id, service_name)
if Configuration.exists(configuration_key):
# Rewrite the service file
cls.service_manager.add_service(
name=ASDController.ASD_PREFIX
if service_name in asd_service_names else
MaintenanceController.MAINTENANCE_PREFIX,
client=local_client,
params=Configuration.get(
configuration_key),
target_name=service_name)
# Let the update know that the ASD / maintenance services need to be restarted
# Inside `if Configuration.exists`, because useless to rapport restart if we haven't rewritten service file
ExtensionsToolbox.edit_version_file(
client=local_client,
package_name='alba',
old_run_file='{0}/{1}.version'.format(
ServiceFactory.RUN_FILE_DIR,
service_name))
if cls.service_manager.__class__ == Systemd:
local_client.run(['systemctl', 'daemon-reload'])
# Version 3: Addition of 'ExecReload' for ASD/maintenance SystemD services
if cls.service_manager.__class__ == Systemd: # Upstart does not have functionality to reload a process' configuration
reload_daemon = False
asd_service_names = list(
ASDController.list_asd_services())
maintenance_service_names = list(
MaintenanceController.get_services())
for service_name in asd_service_names + maintenance_service_names:
if not cls.service_manager.has_service(
name=service_name, client=local_client):
continue
path = '/lib/systemd/system/{0}.service'.format(
service_name)
if os.path.exists(path):
with open(path, 'r') as system_file:
if 'ExecReload' not in system_file.read():
reload_daemon = True
configuration_key = ServiceFactory.SERVICE_CONFIG_KEY.format(
node_id, service_name)
if Configuration.exists(
configuration_key):
# No need to edit the service version file, since this change only requires a daemon-reload
cls.service_manager.add_service(
name=ASDController.ASD_PREFIX
if service_name
in asd_service_names else
MaintenanceController.
MAINTENANCE_PREFIX,
client=local_client,
params=Configuration.get(
configuration_key),
target_name=service_name)
if reload_daemon is True:
local_client.run(['systemctl', 'daemon-reload'])
# Version 6: Introduction of Active Drive
all_local_ips = OSFactory.get_manager().get_ip_addresses(
client=local_client)
for asd in ASDList.get_asds():
if asd.has_config:
asd_config = Configuration.get(asd.config_key)
if 'multicast' not in asd_config:
asd_config['multicast'] = None
if 'ips' in asd_config:
asd_ips = asd_config['ips'] or all_local_ips
else:
asd_ips = all_local_ips
asd.hosts = asd_ips
asd_config['ips'] = asd_ips
Configuration.set(asd.config_key, asd_config)
asd.save()
# Version 7: Moving flask certificate files to config dir
for file_name in [
'passphrase', 'server.crt', 'server.csr',
'server.key'
]:
if local_client.file_exists(
'/opt/asd-manager/source/{0}'.format(
file_name)):
local_client.file_move(
source_file_name='/opt/asd-manager/source/{0}'.
format(file_name),
destination_file_name=
'/opt/asd-manager/config/{0}'.format(
file_name))
except:
cls.logger.exception(
'Error while executing post-update code on node {0}'.
format(node_id))
Configuration.set(key, cls.CURRENT_VERSION)
if cls.service_manager.has_service(
asd_manager_service_name,
local_client) and cls.service_manager.get_service_status(
asd_manager_service_name, local_client) != 'active':
cls.logger.info('Starting asd-manager service')
cls.service_manager.start_service(asd_manager_service_name,
local_client)
cls.logger.info('Post-update logic executed')
def _sync_disks():
from source.controllers.disk import DiskController
while True:
DiskController.sync_disks()
time.sleep(60)
