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
"""
os.environ['OVS_LOGTYPE_OVERRIDE'] = 'file'
print '\n' + Interactive.boxed_message(['ASD Manager removal'])
##############
# VALIDATION #
##############
local_client = LocalClient()
if not local_client.file_exists(filename=Toolbox.BOOTSTRAP_FILE):
print '\n' + Interactive.boxed_message(['The ASD Manager has already been removed'])
sys.exit(1)
print ' - Validating configuration file'
config = _validate_and_retrieve_pre_config()
if config is None or 'store' not in config:
print '\n' + Interactive.boxed_message(['Cannot remove the ASD manager because not all information could be retrieved from the pre-configuration file'])
sys.exit(1)
print ' - Validating node ID'
with open(Toolbox.BOOTSTRAP_FILE, 'r') as bs_file:
try:
alba_node_id = json.loads(bs_file.read())['node_id']
except:
print '\n' + Interactive.boxed_message(['JSON contents could not be retrieved from file {0}'.format(Toolbox.BOOTSTRAP_FILE)])
sys.exit(1)
print ' - Validating configuration management'
store = config['store']
try:
Configuration.list(key='ovs')
except:
if store == 'arakoon':
print '\n' + Interactive.boxed_message(['Could not connect to Arakoon'])
else:
print '\n' + Interactive.boxed_message(['Could not connect to Etcd.',
'Please make sure an Etcd proxy is available, pointing towards an OpenvStorage cluster.'])
sys.exit(1)
################
# CONFIRMATION #
################
os.environ['ASD_NODE_ID'] = alba_node_id
from source.app.api import API
print ' - Retrieving ASD information'
all_asds = {}
try:
all_asds = API.list_asds.original()
except:
print ' - ERROR: 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 '\n\n+++ ALERT +++\n'
message = 'DATA LOSS possible if proceeding! Continue?'
proceed = Interactive.ask_yesno(message=message, default_value=False)
if proceed is False:
print '\n' + Interactive.boxed_message(['Abort removal'])
sys.exit(1)
###########
# REMOVAL #
###########
print ' - Removing from configuration management'
Configuration.uninitialize(node_id=alba_node_id)
if len(all_asds) > 0:
print ' - Removing disks'
for device_id, disk_info in API.list_disks.original().iteritems():
if disk_info['available'] is True:
continue
try:
print ' - Retrieving ASD information for disk {0}'.format(disk_info['device'])
for asd_id, asd_info in API.list_asds_disk.original(disk_id=device_id).iteritems():
print ' - Removing ASD {0}'.format(asd_id)
API.asd_delete.original(disk_id=device_id, asd_id=asd_id)
API.delete_disk.original(disk_id=device_id)
except Exception as ex:
print ' - Deleting ASDs failed: {0}'.format(ex)
print ' - Removing services'
for service_name in API.list_maintenance_services.original()['services']:
print ' - Removing service {0}'.format(service_name)
API.remove_maintenance_service.original(name=service_name)
for service_name in [WATCHER_SERVICE, MANAGER_SERVICE]:
if ServiceManager.has_service(name=service_name, client=local_client):
print ' - Removing service {0}'.format(service_name)
ServiceManager.stop_service(name=service_name, client=local_client)
ServiceManager.remove_service(name=service_name, client=local_client)
if store == 'arakoon':
from source.tools.configuration.arakoon_config import ArakoonConfiguration
local_client.file_delete(filenames=ArakoonConfiguration.CACC_LOCATION)
local_client.file_delete(filenames=Toolbox.BOOTSTRAP_FILE)
print '\n' + Interactive.boxed_message(['ASD Manager removal completed'])
ServiceManager.stop_service(service_name, client)
# Migrate main configuration file
path = '/opt/alba-asdmanager/config/config.json'
if client.file_exists(path):
_log('Migrating old configuration file to Etcd')
with open(path) as config_file:
config = json.load(config_file)
node_id = config['main']['node_id']
# Migrate configuration file
EtcdConfiguration.set('/ovs/alba/asdnodes/{0}/config/main'.format(node_id), config['main'])
EtcdConfiguration.set('/ovs/alba/asdnodes/{0}/config/main|port'.format(node_id), 8500)
EtcdConfiguration.set('/ovs/alba/asdnodes/{0}/config/network'.format(node_id), config['network'])
ServiceManager.add_service(service_name, client, params={'ASD_NODE_ID': node_id,
'PORT_NUMBER': str(8500)})
client.file_delete(path)
# Migrate ASDs
for filename in glob.glob('/mnt/alba-asd/*/asd.json'):
_log('Migrating old asd configuratoin files to Etcd')
with open(filename) as config_file:
config = json.load(config_file)
EtcdConfiguration.set('/ovs/alba/asds/{0}/config'.format(config['asd_id']), json.dumps(config, indent=4), raw=True)
ServiceManager.add_service('alba-asd', client, params={'ASD': config['asd_id']}, target_name='alba-asd-{0}'.format(config['asd_id']))
os.remove(filename)
# Cleanup old data
if client.dir_exists('/opt/alba-asdmanager'):
_log('Removing old alba-asdmanager data')
client.dir_delete('/opt/alba-asdmanager')
