def get_hyperscale_version():
version = None
cmd_err = None
try:
cmd_arg = {'operation': 'version'}
# create a json for cmd argument
cmdarg_json = json.dumps(cmd_arg)
# call hscli for version
(cmd_out, cmd_err) = hsexecute(cmdarg_json)
# cmd_err should be None in case of successful execution of cmd
if not cmd_err:
processed_output = process_cmd_out(cmd_out)
version = processed_output.get('payload')
else:
LOG.error("Error %s in getting hyperscale version", cmd_err)
raise exception.ErrorInHyperScaleVersion(cmd_err=cmd_err)
except (exception.UnableToExecuteHyperScaleCmd,
exception.UnableToProcessHyperScaleCmdOutput):
LOG.error("Exception in running the command for version",
exc_info=True)
raise exception.UnableToExecuteHyperScaleCmd(message="version")
return version
def test_check_for_setup_error_exception(self, mock_ghv):
"""Test check for setup errors in Veritas HyperScale driver.
The test case checks happy path execution when driver version 1.0.0
is installed.
"""
mock_ghv.side_effect = exception.ErrorInHyperScaleVersion(
cmd_error="mock error")
# check the driver for setup errors
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.check_for_setup_error)