def _invoke_action(self,
action_db,
runnertype_db,
params,
context=None,
additional_contexts=None):
"""
Schedule an action execution.
:type action_exec_spec: :class:`ActionExecutionSpecDB`
:param params: Partially rendered parameters to execute the action with.
:type params: ``dict``
:rtype: :class:`LiveActionDB` on successful scheduling, None otherwise.
"""
action_ref = action_db.ref
runnertype_db = action_utils.get_runnertype_by_name(
action_db.runner_type['name'])
liveaction_db = LiveActionDB(action=action_ref,
context=context,
parameters=params)
try:
liveaction_db.parameters = self.get_resolved_parameters(
runnertype_db=runnertype_db,
action_db=action_db,
params=liveaction_db.parameters,
context=liveaction_db.context,
additional_contexts=additional_contexts)
except param_exc.ParamException as e:
# We still need to create a request, so liveaction_db is assigned an ID
liveaction_db, execution_db = action_service.create_request(
liveaction_db)
# By this point the execution is already in the DB therefore need to mark it failed.
_, e, tb = sys.exc_info()
action_service.update_status(
liveaction=liveaction_db,
new_status=action_constants.LIVEACTION_STATUS_FAILED,
result={
'error': str(e),
'traceback': ''.join(traceback.format_tb(tb, 20))
})
# Might be a good idea to return the actual ActionExecution rather than bubble up
# the exception.
raise validation_exc.ValueValidationException(str(e))
liveaction_db, execution_db = action_service.request(liveaction_db)
return execution_db
def _schedule_execution(self,
liveaction,
requester_user,
user=None,
context_string=None,
show_secrets=False,
pack=None):
# Initialize execution context if it does not exist.
if not hasattr(liveaction, 'context'):
liveaction.context = dict()
liveaction.context['user'] = user
liveaction.context['pack'] = pack
LOG.debug('User is: %s' % liveaction.context['user'])
# Retrieve other st2 context from request header.
if context_string:
context = try_loads(context_string)
if not isinstance(context, dict):
raise ValueError(
'Unable to convert st2-context from the headers into JSON.'
)
liveaction.context.update(context)
# Include RBAC context (if RBAC is available and enabled)
if cfg.CONF.rbac.enable:
user_db = UserDB(name=user)
role_dbs = rbac_service.get_roles_for_user(user_db=user_db,
include_remote=True)
roles = [role_db.name for role_db in role_dbs]
liveaction.context['rbac'] = {'user': user, 'roles': roles}
# Schedule the action execution.
liveaction_db = LiveActionAPI.to_model(liveaction)
action_db = action_utils.get_action_by_ref(liveaction_db.action)
runnertype_db = action_utils.get_runnertype_by_name(
action_db.runner_type['name'])
try:
liveaction_db.parameters = param_utils.render_live_params(
runnertype_db.runner_parameters, action_db.parameters,
liveaction_db.parameters, liveaction_db.context)
except param_exc.ParamException:
# We still need to create a request, so liveaction_db is assigned an ID
liveaction_db, actionexecution_db = action_service.create_request(
liveaction_db)
# By this point the execution is already in the DB therefore need to mark it failed.
_, e, tb = sys.exc_info()
action_service.update_status(
liveaction=liveaction_db,
new_status=action_constants.LIVEACTION_STATUS_FAILED,
result={
'error': str(e),
'traceback': ''.join(traceback.format_tb(tb, 20))
})
# Might be a good idea to return the actual ActionExecution rather than bubble up
# the exception.
raise validation_exc.ValueValidationException(str(e))
# The request should be created after the above call to render_live_params
# so any templates in live parameters have a chance to render.
liveaction_db, actionexecution_db = action_service.create_request(
liveaction_db)
liveaction_db = LiveAction.add_or_update(liveaction_db, publish=False)
_, actionexecution_db = action_service.publish_request(
liveaction_db, actionexecution_db)
mask_secrets = self._get_mask_secrets(requester_user,
show_secrets=show_secrets)
execution_api = ActionExecutionAPI.from_model(
actionexecution_db, mask_secrets=mask_secrets)
return Response(json=execution_api, status=http_client.CREATED)
