def ovs_run_module():
module = AnsibleModule(
argument_spec=argument_spec,
supports_check_mode=supports_check_mode,
)
module._ovs_vars = {}
state = module.params['state']
op = ops_with_defaults[state]
if not HAS_OVS:
module.fail_json(
msg='Python Open vSwitch library is not installed')
try:
schema_path = '{}/{}'.format(ovs.dirs.PKGDATADIR, schema_file)
remote = 'unix:{}/{}'.format(ovs.dirs.RUNDIR, ctl)
schema = SchemaHelper(location=schema_path)
op['register_interest'](schema)
idl = Idl(remote, schema)
try:
wait_for_db_change(idl)
except Exception as e:
module.fail_json(msg=str(e), exception=traceback.format_exc())
op['prepare'](module, idl)
if not module.check_mode:
for i in range(3):
txn = Transaction(idl)
op['build_txn'](module, idl, txn)
status = txn.commit_block()
if status == Transaction.SUCCESS:
break
elif status != Transaction.TRY_AGAIN:
break
if status == Transaction.SUCCESS:
changed = True
elif status == Transaction.UNCHANGED:
changed = False
else:
msg = op['txn_failure_msg'](module)
module.fail_json(msg='{}: {}'.format(msg, status))
else:
changed = True
module.exit_json(changed=changed)
except Exception as e:
module.fail_json(msg=str(e), exception=traceback.format_exc())
finally:
if 'idl' in locals():
idl.close()
def _Idl__process_update(self, table, uuid, old, new):
"""Returns True if a column changed, False otherwise."""
row = table.rows.get(uuid)
changed = Idl._Idl__process_update(self, table, uuid, old, new)
if not new:
if row:
# Delete row.
self._update_index_map(row, table, ovs.db.idl.ROW_DELETE)
elif not old or not row:
# Create row.
row = table.rows.get(uuid)
self._update_index_map(row, table, ovs.db.idl.ROW_CREATE, new)
return changed
def connect():
ovsschema = settings.get('cfg_db_schema')
ovsremote = settings.get('ovs_remote')
schema_helper = SchemaHelper(ovsschema)
schema_helper.register_all()
idl = Idl(ovsremote, schema_helper)
change_seqno = idl.change_seqno
while True:
idl.run()
if change_seqno != idl.change_seqno:
break
poller = ovs.poller.Poller()
idl.wait(poller)
poller.block()
return idl
def _Idl__clear(self):
self._clear_all_index_maps()
Idl._Idl__clear(self)
def __init__(self, remote, schema):
Idl.__init__(self, remote, schema)
self._clear_all_index_maps()
