def services_running(self, target):
"""
Check all services are running
:param target: Target to check
:return: Boolean
"""
try:
if target == 'config':
self.log_message(target, 'Testing configuration store...', 0)
from ovs_extensions.db.arakoon.pyrakoon.pyrakoon.compat import NoGuarantee
from source.tools.arakooninstaller import ArakoonInstaller, ArakoonClusterConfig
from source.tools.configuration import Configuration
try:
Configuration.list('/')
except Exception as ex:
self.log_message(
target,
' Error during configuration store test: {0}'.format(
ex), 2)
return False
with open(CACC_LOCATION) as config_file:
contents = config_file.read()
config = ArakoonClusterConfig(cluster_id='cacc',
load_config=False)
config.read_config(contents=contents)
client = ArakoonInstaller.build_client(config)
contents = client.get(Watcher.INTERNAL_CONFIG_KEY,
consistency=NoGuarantee())
if Watcher.LOG_CONTENTS != contents:
try:
# Validate whether the contents are not corrupt
parser = RawConfigParser()
parser.readfp(StringIO(contents))
except Exception as ex:
self.log_message(
target,
' Configuration stored in configuration store seems to be corrupt: {0}'
.format(ex), 2)
return False
temp_filename = '{0}~'.format(CACC_LOCATION)
with open(temp_filename, 'w') as config_file:
config_file.write(contents)
config_file.flush()
os.fsync(config_file)
os.rename(temp_filename, CACC_LOCATION)
if Watcher.LOG_CONTENTS is not None:
self.log_message(
target, ' Configuration changed, trigger restart',
1)
sys.exit(1)
Watcher.LOG_CONTENTS = contents
self.log_message(target, ' Configuration store OK', 0)
return True
except Exception as ex:
self.log_message(target, 'Unexpected exception: {0}'.format(ex), 2)
return False
def remove(silent=None):
"""
Interactive removal part for the ASD manager
:param silent: If silent == '--force-yes' no question will be asked to confirm the removal
:type silent: str
:return: None
:rtype: NoneType
"""
_print_and_log(message='\n' +
Interactive.boxed_message(['ASD Manager removal']))
local_client = SSHClient(endpoint='127.0.0.1', username='******')
if not local_client.file_exists(
filename='{0}/main.db'.format(Setting.DATABASE_FOLDER)):
_print_and_log(level='error',
message='\n' + Interactive.boxed_message(
['The ASD Manager has already been removed']))
sys.exit(1)
_print_and_log(message=' - Validating configuration management')
try:
Configuration.list(key='ovs')
except:
_print_and_log(
level='exception',
message='\n' +
Interactive.boxed_message(['Could not connect to Arakoon']))
sys.exit(1)
_print_and_log(message=' - Retrieving ASD information')
all_asds = {}
try:
all_asds = ASDList.get_asds()
except:
_print_and_log(level='exception',
message=' - Failed to retrieve the ASD information')
interactive = silent != '--force-yes'
if interactive is True:
message = 'Are you sure you want to continue?'
if len(all_asds) > 0:
_print_and_log(message='\n\n+++ ALERT +++\n', level='warning')
message = 'DATA LOSS possible if proceeding! Continue?'
proceed = Interactive.ask_yesno(message=message, default_value=False)
if proceed is False:
_print_and_log(level='error',
message='\n' +
Interactive.boxed_message(['Abort removal']))
sys.exit(1)
if len(all_asds) > 0:
_print_and_log(message=' - Removing disks')
for disk in DiskList.get_disks():
if disk.available is True:
continue
try:
_print_and_log(
message=' - Retrieving ASD information for disk {0}'.
format(disk.name))
for asd in disk.asds:
_print_and_log(
message=' - Removing ASD {0}'.format(asd.name))
ASDController.remove_asd(asd)
DiskController.clean_disk(disk)
except Exception:
_print_and_log(level='exception',
message=' - Deleting ASDs failed')
_print_and_log(message=' - Removing services')
service_manager = ServiceFactory.get_manager()
for service in MaintenanceController.get_services():
service_name = service
_print_and_log(
message=' - Removing service {0}'.format(service_name))
guid = None
for alba_backend_guid in Configuration.list(key='/ovs/alba/backends'):
for maintenance_service_name in Configuration.list(
key='/ovs/alba/backends/{0}/maintenance/'.format(
alba_backend_guid)):
if maintenance_service_name == service_name:
guid = alba_backend_guid
break
MaintenanceController.remove_maintenance_service(
name=service_name, alba_backend_guid=guid)
for service_name in [WATCHER_SERVICE, MANAGER_SERVICE]:
if service_manager.has_service(name=service_name, client=local_client):
_print_and_log(
message=' - Removing service {0}'.format(service_name))
service_manager.stop_service(name=service_name,
client=local_client)
service_manager.remove_service(name=service_name,
client=local_client)
_print_and_log(message=' - Removing from configuration management')
remaining_users = Configuration.uninitialize()
if not remaining_users:
local_client.file_delete(filenames=CACC_LOCATION)
local_client.file_delete(
filenames='{0}/main.db'.format(Setting.DATABASE_FOLDER))
_print_and_log(
message='\n' +
Interactive.boxed_message(['ASD Manager removal completed']))