def delete_backend_volume_eqlx(volume_id):
# get provider_location
sql_get_provider_location = 'SELECT provider_location FROM volumes WHERE id =\'%s\';' % volume_id
provider_location = str(db_connect(sql_get_provider_location)).split()[1]
# ssh to controller and compute node to delete the iscsi connection
LOG.info(' Deleting iscsi connection ...')
controller_list = get_node_list('controller')
compute_list = get_node_list('compute')
node_list = controller_list + compute_list
for node in node_list:
cmd_show = 'iscsiadm -m session -o show'
(out, err) = ssh_connect(node, cmd_show)
if out.find(provider_location) > 0:
cmd_delete = 'iscsiadm -m node -u -T %s' % provider_location
(o, e) = ssh_connect(node, cmd_delete)
if o.find('successful') < 0:
LOG.error(
' Can not delete the iscsi connection "%s" at host %s.' %
(provider_location, node))
# ssh to eqlx to delete the volume
LOG.info(' Deleting backend(eqlx) volume ...')
## set eqlx volume status to offline
cmd_set_eqlx_volume_offline = 'volume select volume-%s offline' % volume_id
out = eqlx_ssh_execute(cmd_set_eqlx_volume_offline)
if len(out) == 3:
LOG.error(' ' + out[1])
return False
## delete the eqlx volume
cmd_delete_eqlx_volume = 'volume delete volume-%s' % volume_id
result = eqlx_ssh_execute(cmd_delete_eqlx_volume)
if not result or result[1] != 'Volume deletion succeeded.':
LOG.error(' Delete backend volume faild !')
return False
else:
return True
def delete_backend_volume_eqlx(volume_id):
# get provider_location
sql_get_provider_location = 'SELECT provider_location FROM volumes WHERE id =\'%s\';' % volume_id
provider_location = str(db_connect(sql_get_provider_location)).split()[1]
# ssh to controller and compute node to delete the iscsi connection
LOG.info(' Deleting iscsi connection ...')
controller_list = get_node_list('controller')
compute_list = get_node_list('compute')
node_list = controller_list + compute_list
for node in node_list:
cmd_show = 'iscsiadm -m session -o show'
(out, err) = ssh_connect(node, cmd_show)
if out.find(provider_location) > 0:
cmd_delete = 'iscsiadm -m node -u -T %s' % provider_location
(o, e) = ssh_connect(node, cmd_delete)
if o.find('successful') < 0:
LOG.error(' Can not delete the iscsi connection "%s" at host %s.' % (provider_location, node))
# ssh to eqlx to delete the volume
LOG.info(' Deleting backend(eqlx) volume ...')
## set eqlx volume status to offline
cmd_set_eqlx_volume_offline = 'volume select volume-%s offline' % volume_id
out = eqlx_ssh_execute(cmd_set_eqlx_volume_offline)
if len(out) == 3:
LOG.error(' ' + out[1])
return False
## delete the eqlx volume
cmd_delete_eqlx_volume = 'volume delete volume-%s' % volume_id
result = eqlx_ssh_execute(cmd_delete_eqlx_volume)
if not result or result[1] != 'Volume deletion succeeded.':
LOG.error(' Delete backend volume faild !')
return False
else:
return True
def delete_backend_snapshots_eqlx(snapshots_id, volume_id):
LOG.info(' Deleting backend(eqlx) snapshots ...')
for snapshot_id in snapshots_id:
LOG.info(' [%s]Deleting backend snapshot ...' % snapshot_id)
cmd_delete_snapshot = 'volume select volume-%s snapshot delete snapshot-%s' % (volume_id, snapshot_id)
result = eqlx_ssh_execute(cmd_delete_snapshot)
if 'Snapshot deletion succeeded.' not in result:
LOG.error(' Can not delete snapshot "%s" !' % snapshot_id)
return False
else:
return True
def delete_backend_snapshots_eqlx(snapshots_id, volume_id):
LOG.info(' Deleting backend(eqlx) snapshots ...')
for snapshot_id in snapshots_id:
LOG.info(' [%s]Deleting backend snapshot ...' % snapshot_id)
cmd_delete_snapshot = 'volume select volume-%s snapshot delete snapshot-%s' % (volume_id, snapshot_id)
result = eqlx_ssh_execute(cmd_delete_snapshot)
if 'Snapshot deletion succeeded.' not in result:
LOG.error(' Can not delete snapshot "%s" !' % snapshot_id)
return False
else:
return True