Fix thread helper bug

the uwsgi disable threads by default. Enable it with additonal option.
The post and get API request might routed to different uwsgi process,
Leverage memcached to sync backlog items between uwsgi process

Change-Id: Iaac6b66061f2c396cd24825ab020f0a937dfb505
Issue-ID: MULTICLOUD-561
Signed-off-by: Xiaohua Zhang <xiaohua.zhang@windriver.com>

1 files changed, 64 insertions, 34 deletions

diff --git a/share/starlingx_base/resource/infra_workload.py b/share/starlingx_base/resource/infra_workload.py
index 8fea68f3..7d5873df 100644
--- a/share/starlingx_base/resource/infra_workload.py
+++ b/share/starlingx_base/resource/infra_workload.py
@@ -20,6 +20,7 @@ from rest_framework import status
 from rest_framework.response import Response
 from common.msapi import extsys
 from common.msapi.helper import Helper as helper
+from common.msapi.helper import MultiCloudThreadHelper
 
 from newton_base.resource import infra_workload as newton_infra_workload
 from newton_base.resource import infra_workload_helper as infra_workload_helper
@@ -29,7 +30,7 @@ logger = logging.getLogger(__name__)
 # global var: Audition thread
 # the id is the workloadid, which implies post to workloadid1 followed by delete workloadid1
 # will replace the previous backlog item
-gInfraWorkloadThread = helper.MultiCloudThreadHelper()
+gInfraWorkloadThread = MultiCloudThreadHelper("infw")
 
 class InfraWorkload(newton_infra_workload.InfraWorkload):
     def __init__(self):
@@ -46,6 +47,7 @@ class InfraWorkload(newton_infra_workload.InfraWorkload):
             "workload_status": "WORKLOAD_CREATE_FAIL",
             "workload_status_reason": "Exception occurs"
         }
+        status_code = status.HTTP_500_INTERNAL_SERVER_ERROR
 
         try:
             worker_self = InfraWorkloadHelper(
@@ -104,15 +106,20 @@ class InfraWorkload(newton_infra_workload.InfraWorkload):
                                                 (13, "WORKLOAD_DELETE_FAIL",
                                                  "Unexpected:status not found in backlog item")
                                                 )
-                    progress_code = progress[0]
-                    progress_status = progress[1]
-                    progress_msg = progress[2]
-                    resp_template["workload_status"] = progress_status
-                    resp_template["workload_status_reason"] = progress_msg
-                    return Response(data=resp_template,
-                                    status=status.HTTP_200_ACCEPTED
-                                    if progress_code == 0 else progress_code
-                                    )
+
+                    try:
+                        progress_code = progress[0]
+                        progress_status = progress[1]
+                        progress_msg = progress[2]
+                        resp_template["workload_status"] = progress_status
+                        resp_template["workload_status_reason"] = progress_msg
+
+                        status_code = status.HTTP_200_ACCEPTED\
+                            if progress_code == 0 else progress_code
+                    except Exception as e:
+                        resp_template["workload_status_reason"] = progress
+
+                    return Response(data=resp_template, status=status_code)
         except Exception as e:
             errmsg = e.message
             self._logger.error(errmsg)
@@ -130,6 +137,7 @@ class InfraWorkload(newton_infra_workload.InfraWorkload):
             "workload_status": "WORKLOAD_GET_FAIL",
             "workload_status_reason": "Exception occurs"
         }
+        status_code = status.HTTP_500_INTERNAL_SERVER_ERROR
         try:
 
             if workloadid == "":
@@ -140,7 +148,7 @@ class InfraWorkload(newton_infra_workload.InfraWorkload):
                 )
 
             # now query the progress
-            status_code = status.HTTP_200_OK
+
             backlog_item = gInfraWorkloadThread.get(workloadid)
             if not backlog_item:
                 # backlog item not found, so check the stack status
@@ -160,19 +168,20 @@ class InfraWorkload(newton_infra_workload.InfraWorkload):
                                             (13, "WORKLOAD_DELETE_FAIL",
                                              "Unexpected:status not found in backlog item")
                                             )
-                progress_code = progress[0]
-                progress_status = progress[1]
-                progress_msg = progress[2]
-                # if gInfraWorkloadThread.expired(workloadid):
-                #     gInfraWorkloadThread.remove(workloadid)
-                resp_template["workload_status"] = progress_status
-                resp_template["workload_status_reason"] = progress_msg
-                status_code = status.HTTP_200_OK\
-                    if progress_code == 0 else progress_code
+                try:
+                    progress_code = progress[0]
+                    progress_status = progress[1]
+                    progress_msg = progress[2]
+                    # if gInfraWorkloadThread.expired(workloadid):
+                    #     gInfraWorkloadThread.remove(workloadid)
+                    resp_template["workload_status"] = progress_status
+                    resp_template["workload_status_reason"] = progress_msg
+                    status_code = status.HTTP_200_OK\
+                        if progress_code == 0 else progress_code
+                except Exception as e:
+                    resp_template["workload_status_reason"] = progress
 
-            return Response(data=resp_template,
-                            status=status_code
-                            )
+            return Response(data=resp_template, status=status_code)
 
         except Exception as e:
             self._logger.error(e.message)
@@ -190,6 +199,7 @@ class InfraWorkload(newton_infra_workload.InfraWorkload):
             "workload_status": "WORKLOAD_DELETE_FAIL",
             "workload_status_reason": "Exception occurs"
         }
+        status_code = status.HTTP_500_INTERNAL_SERVER_ERROR
         try:
 
             if workloadid == "":
@@ -240,18 +250,20 @@ class InfraWorkload(newton_infra_workload.InfraWorkload):
                                             (13, "WORKLOAD_DELETE_FAIL",
                                              "Unexpected:status not found in backlog item")
                                             )
-                progress_code = progress[0]
-                progress_status = progress[1]
-                progress_msg = progress[2]
-                # if gInfraWorkloadThread.expired(workloadid):
-                #     gInfraWorkloadThread.remove(workloadid)
+                try:
+                    progress_code = progress[0]
+                    progress_status = progress[1]
+                    progress_msg = progress[2]
+                    # if gInfraWorkloadThread.expired(workloadid):
+                    #     gInfraWorkloadThread.remove(workloadid)
 
-                resp_template["workload_status"] = progress_status
-                resp_template["workload_status_reason"] = progress_msg
-                return Response(data=resp_template,
-                                status=status.HTTP_204_NO_CONTENT
-                                if progress_code == 0 else progress_code
-                                )
+                    resp_template["workload_status"] = progress_status
+                    resp_template["workload_status_reason"] = progress_msg
+                    status_code = status.HTTP_200_ACCEPTED \
+                        if progress_code == 0 else progress_code
+                except Exception as e:
+                    resp_template["workload_status_reason"] = progress
+                return Response(data=resp_template, status=status_code)
         except Exception as e:
             self._logger.error(e.message)
             resp_template["workload_status_reason"] = e.message
@@ -296,9 +308,27 @@ class InfraWorkloadHelper(infra_workload_helper.InfraWorkloadHelper):
         self._logger = logger
 
     def param_update_user_directives(self, parameters, oof_directives):
+        for attr in oof_directives.get("attributes", []):
+            aname = attr.get("attribute_name", None)
+            avalue = attr.get("attribute_value", None)
+            if aname in parameters:
+                parameters[aname] = avalue
+            else:
+                self._logger.warn(
+                    "There is no parameter exist: %s" % aname)
+
         return parameters
 
     def param_update_sdnc_directives(self, parameters, sdnc_directives):
+        for attr in sdnc_directives.get("attributes", []):
+            aname = attr.get("attribute_name", None)
+            avalue = attr.get("attribute_value", None)
+            if aname in parameters:
+                parameters[aname] = avalue
+            else:
+                self._logger.warn(
+                    "There is no parameter exist: %s" % aname)
+
         return parameters
 
     def param_update_oof_directives(self, parameters, oof_directives):