add api for testing credential plugins

awx/api/urls/credential.py

@@ -13,6 +13,7 @@ from awx.api.views import (
     CredentialOwnerTeamsList,
     CredentialCopy,
     CredentialInputSourceSubList,
+    CredentialExternalTest,
 )
 
 
@@ -26,6 +27,7 @@ urls = [
     url(r'^(?P<pk>[0-9]+)/owner_teams/$', CredentialOwnerTeamsList.as_view(), name='credential_owner_teams_list'),
     url(r'^(?P<pk>[0-9]+)/copy/$', CredentialCopy.as_view(), name='credential_copy'),
     url(r'^(?P<pk>[0-9]+)/input_sources/$', CredentialInputSourceSubList.as_view(), name='credential_input_source_sublist'),
+    url(r'^(?P<pk>[0-9]+)/test/$', CredentialExternalTest.as_view(), name='credential_external_test'),
 ]
 
 __all__ = ['urls']

awx/api/urls/credential_type.py

@@ -8,6 +8,7 @@ from awx.api.views import (
     CredentialTypeDetail,
     CredentialTypeCredentialList,
     CredentialTypeActivityStreamList,
+    CredentialTypeExternalTest,
 )
 
 
@@ -16,6 +17,7 @@ urls = [
     url(r'^(?P<pk>[0-9]+)/$', CredentialTypeDetail.as_view(), name='credential_type_detail'),
     url(r'^(?P<pk>[0-9]+)/credentials/$', CredentialTypeCredentialList.as_view(), name='credential_type_credential_list'),
     url(r'^(?P<pk>[0-9]+)/activity_stream/$', CredentialTypeActivityStreamList.as_view(), name='credential_type_activity_stream_list'),
+    url(r'^(?P<pk>[0-9]+)/test/$', CredentialTypeExternalTest.as_view(), name='credential_type_external_test'),
 ]
 
 __all__ = ['urls']

awx/api/views/__init__.py

@@ -1419,6 +1419,32 @@ class CredentialCopy(CopyAPIView):
     copy_return_serializer_class = serializers.CredentialSerializer
 
 
+class CredentialExternalTest(SubDetailAPIView):
+    """
+    Test updates to the input values of an external credential before
+    saving them.
+    """
+
+    view_name = _('External Credential Test')
+
+    model = models.Credential
+    serializer_class = serializers.EmptySerializer
+
+    def post(self, request, *args, **kwargs):
+        obj = self.get_object()
+        test_inputs = {}
+        for field_name, value in request.data.get('inputs', {}).items():
+            if value == '$encrypted$':
+                test_inputs[field_name] = obj.get_input(field_name)
+            else:
+                test_inputs[field_name] = value
+        try:
+            obj.credential_type.plugin.backend(None, **test_inputs)
+            return Response({}, status=status.HTTP_202_ACCEPTED)
+        except Exception as exc:
+            return Response({'inputs': str(exc)}, status=status.HTTP_400_BAD_REQUEST)
+
+
 class CredentialInputSourceDetail(RetrieveUpdateDestroyAPIView):
 
     view_name = _("Credential Input Source Detail")
@@ -1446,6 +1472,27 @@ class CredentialInputSourceSubList(SubListCreateAttachDetachAPIView):
     parent_key = 'target_credential'
 
 
+class CredentialTypeExternalTest(SubDetailAPIView):
+    """
+    Test a complete set of input values for an external credential before
+    saving it.
+    """
+
+    view_name = _('External Credential Type Test')
+
+    model = models.CredentialType
+    serializer_class = serializers.EmptySerializer
+
+    def post(self, request, *args, **kwargs):
+        obj = self.get_object()
+        test_inputs = request.data.get('inputs', {})
+        try:
+            obj.plugin.backend(None, **test_inputs)
+            return Response({}, status=status.HTTP_202_ACCEPTED)
+        except Exception as exc:
+            return Response({'inputs': str(exc)}, status=status.HTTP_400_BAD_REQUEST)
+
+
 class HostRelatedSearchMixin(object):
 
     @property