Add support to get execution's log

Change-Id: If5f62f5f86601cb8a0e11dec299d4ec1867143f9

qinlingclient/osc/v1/function_execution.py

@@ -109,3 +109,17 @@ class Show(command.ShowOne):
         execution = client.function_executions.get(parsed_args.execution)
 
         return self.columns, utils.get_item_properties(execution, self.columns)
+
+
+class LogShow(command.Command):
+    def get_parser(self, prog_name):
+        parser = super(LogShow, self).get_parser(prog_name)
+        parser.add_argument('execution', help='Execution ID.')
+
+        return parser
+
+    def take_action(self, parsed_args):
+        client = self.app.client_manager.function_engine
+        log = client.function_executions.get_log(parsed_args.execution)
+
+        self.app.stdout.write(log or "\n")

qinlingclient/v1/function_execution.py

@@ -34,3 +34,6 @@ class ExecutionManager(base.Manager):
 
     def get(self, id):
         return self._get('/v1/executions/%s' % id)
+
+    def get_log(self, id):
+        return self._get('/v1/executions/%s/log' % id, return_raw=True)

setup.cfg

@@ -48,6 +48,7 @@ openstack.function_engine.v1 =
     function_execution_create = qinlingclient.osc.v1.function_execution:Create
     function_execution_delete = qinlingclient.osc.v1.function_execution:Delete
     function_execution_show = qinlingclient.osc.v1.function_execution:Show
+    function_execution_log_show = qinlingclient.osc.v1.function_execution:LogShow
 
     job_list = qinlingclient.osc.v1.job:List
     job_create = qinlingclient.osc.v1.job:Create