def clone_complete(self, cg_name=None, clone_id=vnx_default_clone_id):
'''Check status of clone operation, true if done, false if still pending'''
cmd = self._construct_base_command(get_clone_command(group_name=cg_name, clone_id=clone_id))
print cmd
output = run_get_output(cmd)
status = self._parse_clone_state(output)
if status != None:
status = status.lower()
return status in vnx_clone_complete_states
def create_lun(self, lun_name=None, lun_size=None):
''' Creates lun and returns lun's ID'''
if lun_name == None or lun_size == None:
raise ValueError("Name and size must be specified")
command = self._construct_base_command(create_lun_command(lun_name=lun_name,capacity=lun_size))
print command
status = run_get_status(command)
if status != 0:
print "Error creating lun"
return None
get_command = self._construct_base_command(get_lun_by_name_command(lun_name=lun_name))
lun_output = run_get_output(get_command)
return self._construct_lun(lun_output)
def host_attach(client=None, target_iqn=None):
'''
Attach the lun to the local host, assumes no CHAP authentication.
Returns the name of the local device that is the attachment
This is VNX specific for our setup, see the iqn and IP
Also assumes only a single lun, so always looks for LUN 1 for device
'''
add_static_target = ['iscsiadm','-m','node','-T','iqn.1992-04.com.emc:cx.apm00121200804.a6', '-p','192.168.25.182', '-o', 'new']
scan_sessions = ['iscsiadm','-m','session','-R']
iscsi_info = ['iscsiadm','-m','session','-P','3']
processtools.run_get_status(add_static_target)
processtools.run_get_status(scan_sessions)
output = processtools.run_get_output(iscsi_info)
parse_device_name(output,lun_id=1, target='iqn.1992-04.com.emc:cx.apm00121200804.a6')
#TODO: finish this function
local_device=None
return local_device
def migration_complete(self, migration_lun=None):
cmd = self._construct_base_command(get_migration_state_command(src_lun_id=migration_lun.id))
print cmd
output = run_get_output(cmd)
status = self._parse_migration_status(output)
return status in ['none','complete']
def get_clone_id(self, cg_name=None, lun=None):
cmd = self._construct_base_command(get_clone_id_command(group_name=cg_name))
print cmd
output = run_get_output(cmd)
clone_id = self._parse_clone_id_output(lun_id=lun.id, output=output)
return clone_id
def get_lun_by_name(self, lun_name=None):
command = self._construct_base_command(get_lun_by_name_command(lun_name=lun_name))
output = run_get_output(command)
return self._construct_lun(output)
def get_lun_by_id(self, lun_id=None):
'''Gets lun by id lookup'''
command = self._construct_base_command(get_lun_by_id_command(lun_id=lun_id))
output = run_get_output(command)
return self._construct_lun(output)
def get_all_luns(self):
'''Gets list of all luns'''
command = self._construct_base_command(get_all_luns_command())
output = run_get_output(command)
return self._parse_lun_list(output)