azure_rm_webapp: fix updating app settings (#49181)

lib/ansible/modules/cloud/azure/azure_rm_webapp.py

@@ -388,7 +388,7 @@ def webapp_to_dict(webapp):
 
 
 class Actions:
-    NoAction, CreateOrUpdate, UpdateAppSettings, Delete = range(4)
+    CreateOrUpdate, UpdateAppSettings, Delete = range(3)
 
 
 class AzureRMWebApps(AzureRMModuleBase):
@@ -504,7 +504,7 @@ class AzureRMWebApps(AzureRMModuleBase):
             id=None,
         )
         self.state = None
-        self.to_do = Actions.NoAction
+        self.to_do = []
 
         self.frameworks = None
 
@@ -642,7 +642,7 @@ class AzureRMWebApps(AzureRMModuleBase):
                 self.log("Web App instance doesn't exist")
 
                 to_be_updated = True
-                self.to_do = Actions.CreateOrUpdate
+                self.to_do.append(Actions.CreateOrUpdate)
                 self.site.tags = self.tags
 
                 # service plan is required for creation
@@ -688,19 +688,19 @@ class AzureRMWebApps(AzureRMModuleBase):
                 # check if root level property changed
                 if self.is_updatable_property_changed(old_response):
                     to_be_updated = True
-                    self.to_do = Actions.CreateOrUpdate
+                    self.to_do.append(Actions.CreateOrUpdate)
 
                 # check if site_config changed
                 old_config = self.get_webapp_configuration()
 
                 if self.is_site_config_changed(old_config):
                     to_be_updated = True
-                    self.to_do = Actions.CreateOrUpdate
+                    self.to_do.append(Actions.CreateOrUpdate)
 
                 # check if linux_fx_version changed
                 if old_config.linux_fx_version != self.site_config.get('linux_fx_version', ''):
                     to_be_updated = True
-                    self.to_do = Actions.CreateOrUpdate
+                    self.to_do.append(Actions.CreateOrUpdate)
 
                 self.app_settings_strDic = self.list_app_settings()
 
@@ -708,11 +708,12 @@ class AzureRMWebApps(AzureRMModuleBase):
                 if self.purge_app_settings:
                     to_be_updated = True
                     self.app_settings_strDic.properties = dict()
+                    self.to_do.append(Actions.UpdateAppSettings)
 
                 # check if app settings changed
                 if self.purge_app_settings or self.is_app_settings_changed():
                     to_be_updated = True
-                    self.to_do = Actions.CreateOrUpdate
+                    self.to_do.append(Actions.UpdateAppSettings)
 
                     if self.app_settings:
                         for key in self.app_settings.keys():
@@ -740,11 +741,15 @@ class AzureRMWebApps(AzureRMModuleBase):
             if self.check_mode:
                 return self.results
 
-            if self.to_do == Actions.CreateOrUpdate:
+            if Actions.CreateOrUpdate in self.to_do:
                 response = self.create_update_webapp()
 
                 self.results['id'] = response['id']
 
+            if Actions.UpdateAppSettings in self.to_do:
+                update_response = self.update_app_settings()
+                self.results['id'] = update_response.id
+
         webapp = None
         if old_response:
             webapp = old_response
@@ -785,13 +790,11 @@ class AzureRMWebApps(AzureRMModuleBase):
     # comparing existing app setting with input, determine whether it's changed
     def is_app_settings_changed(self):
         if self.app_settings:
-            if len(self.app_settings_strDic.properties) != len(self.app_settings):
-                return True
-
-            elif self.app_settings_strDic.properties and len(self.app_settings_strDic.properties) > 0:
+            if self.app_settings_strDic.properties:
                 for key in self.app_settings.keys():
-                    if not self.app_settings_strDic.properties.get(key) \
-                            or self.app_settings[key] != self.app_settings_strDic.properties[key]:
+                    if self.app_settings[key] != self.app_settings_strDic.properties.get(key, None):
+                        return True
+            else:
                 return True
         return False
 
@@ -943,10 +946,8 @@ class AzureRMWebApps(AzureRMModuleBase):
 
             return response
         except CloudError as ex:
-            self.log("Failed to list application settings for web app {0} in resource group {1}".format(
-                self.name, self.resource_group))
-
-            return False
+            self.fail("Failed to list application settings for web app {0} in resource group {1}: {2}".format(
+                self.name, self.resource_group, str(ex)))
 
     def update_app_settings(self):
         '''
@@ -960,12 +961,10 @@ class AzureRMWebApps(AzureRMModuleBase):
                 resource_group_name=self.resource_group, name=self.name, app_settings=self.app_settings_strDic)
             self.log("Response : {0}".format(response))
 
-            return response.as_dict()
+            return response
         except CloudError as ex:
-            self.log("Failed to update application settings for web app {0} in resource group {1}".format(
-                self.name, self.resource_group))
-
-        return False
+            self.fail("Failed to update application settings for web app {0} in resource group {1}: {2}".format(
+                self.name, self.resource_group, str(ex)))
 
     def create_or_update_source_control(self):
         '''

test/integration/targets/azure_rm_webapp/tasks/main.yml

@@ -101,24 +101,38 @@
       - output.webapps[0].app_settings | length == 1
       - output.webapps[0].frameworks | length > 1 # there's default frameworks eg net_framework
 
-- name: Update app settings
+- name: Update app settings and framework
   azure_rm_webapp:
     resource_group: "{{ resource_group }}"
     name: "{{ win_app_name }}4"
     plan: "{{ win_plan_name }}"
     frameworks:
       - name: "java"
-        version: "1.8"
+        version: "1.7"
         settings:
           java_container: "Tomcat"
-          java_container_version: "8.0"
+          java_container_version: "8.5"
     app_settings:
       testkey2: "testvalue2"
   register: output
 
 - name: Assert the web app was updated
   assert:
-    that: output.changed
+    that:
+    - output.changed
+
+- name: get web app with name
+  azure_rm_webapp_facts:
+    resource_group: "{{ resource_group }}"
+    name: "{{ win_app_name }}4"
+  register: output
+
+- name: Assert updating
+  assert:
+    that:
+    - output.webapps[0].app_settings | length == 2
+    - output.webapps[0].app_settings['testkey'] == 'testvalue'
+    - output.webapps[0].app_settings['testkey2'] == 'testvalue2'
 
 - name: get web app with return publishing profile
   azure_rm_webapp_facts: