{edge-action} Bugfix: edge action get version code and swap default version unsupported media type error (#9445)

* Fix: Add Content-Type header to get-version-code command

- Added Content-Type: application/json header to POST request
- Expanded Accept header to include text/plain and */* for better compatibility
- Resolves 'Unsupported Media Type' error when calling get-version-code
- Added test case for get-version-code command

The fix ensures proper HTTP headers are sent for the getVersionCode operation,
which is a POST request with no body. Some Azure services require both
Content-Type and Accept headers to be present even for empty-body requests.

* Fix 415 Unsupported Media Type for POST operations in edge-action extension

- Add Content-Type and Accept headers to get-version-code and swap-default POST operations
- Add empty JSON body '{}' required by the API for POST operations without payload
- Add --output-directory parameter to get-version-code to decode and save zip files
- Comment out execution-filter CRUD test (service returns HTTP URLs in LRO headers, needs service-side fix)
- Re-record all passing tests

The root cause was that AAZ-generated code for POST operations without a request body
was not sending Content-Type header or empty body, causing the API to reject with 415.

* Bump version to 1.0.0b2

---------

Co-authored-by: Danny Tundwe (from Dev Box) <[email protected]>

Author: tundwed

src/edge-action/HISTORY.rst

@@ -3,6 +3,11 @@
 Release History
 ===============
 
+1.0.0b2
+++++++
+* Fix 415 Unsupported Media Type error for `get-version-code` and `swap-default` POST operations by adding required Content-Type header and empty JSON body
+* Add `--output-directory` parameter to `get-version-code` command to decode and save version code as zip file
+
 1.0.0b1
 ++++++
 * Initial release.

src/edge-action/azext_edge_action/aaz/latest/edge_action/version/_get_version_code.py

@@ -68,6 +68,11 @@ def _build_arguments_schema(cls, *args, **kwargs):
                 max_length=50,
             ),
         )
+        _args_schema.output_directory = AAZStrArg(
+            options=["--output-directory", "-d"],
+            help="Output directory to save the decoded version code as a zip file. If not specified, returns the base64-encoded content.",
+            required=False,
+        )
         return cls._args_schema
 
     def _execute_operations(self):
@@ -85,6 +90,45 @@ def post_operations(self):
 
     def _output(self, *args, **kwargs):
         result = self.deserialize_output(self.ctx.vars.instance, client_flatten=True)
+        
+        # If output directory is specified, decode and save the file
+        output_dir = self.ctx.args.output_directory.to_serialized_data() if self.ctx.args.output_directory else None
+        if output_dir:
+            import base64
+            import os
+            from knack.log import get_logger
+            
+            logger = get_logger(__name__)
+            
+            # Get the base64 encoded content
+            content = result.get('content')
+            name = result.get('name', 'version_code')
+            
+            if not content:
+                from azure.cli.core.azclierror import ValidationError
+                raise ValidationError("No content returned from the API")
+            
+            # Decode base64 content
+            try:
+                decoded_content = base64.b64decode(content)
+            except Exception as e:
+                from azure.cli.core.azclierror import ValidationError
+                raise ValidationError(f"Failed to decode base64 content: {str(e)}")
+            
+            # Create output directory if it doesn't exist
+            os.makedirs(output_dir, exist_ok=True)
+            
+            # Save as zip file
+            output_file = os.path.join(output_dir, f"{name}.zip")
+            try:
+                with open(output_file, 'wb') as f:
+                    f.write(decoded_content)
+                logger.warning(f"Version code saved to: {output_file}")
+                return {"message": f"Version code saved to: {output_file}", "file": output_file}
+            except Exception as e:
+                from azure.cli.core.azclierror import FileOperationError
+                raise FileOperationError(f"Failed to save file: {str(e)}")
+        
         return result
 
     class EdgeActionVersionsGetVersionCode(AAZHttpOperation):
@@ -103,6 +147,7 @@ def __call__(self, *args, **kwargs):
                     path_format_arguments=self.url_parameters,
                 )
             if session.http_response.status_code in [200]:
+                # Operation completed synchronously with data
                 return self.client.build_lro_polling(
                     self.ctx.args.no_wait,
                     session,
@@ -165,11 +210,19 @@ def query_parameters(self):
         def header_parameters(self):
             parameters = {
                 **self.serialize_header_param(
-                    "Accept", "application/json",
+                    "Content-Type", "application/json",
+                ),
+                **self.serialize_header_param(
+                    "Accept", "application/json, text/plain, */*",
                 ),
             }
             return parameters
 
+        @property
+        def content(self):
+            # Return empty JSON object as bytes (required by the API)
+            return b'{}'
+
         def on_200(self, session):
             data = self.deserialize_http_content(session)
             self.ctx.set_var(

src/edge-action/azext_edge_action/aaz/latest/edge_action/version/_swap_default.py

@@ -157,6 +157,23 @@ def query_parameters(self):
             }
             return parameters
 
+        @property
+        def header_parameters(self):
+            parameters = {
+                **self.serialize_header_param(
+                    "Content-Type", "application/json",
+                ),
+                **self.serialize_header_param(
+                    "Accept", "application/json, text/plain, */*",
+                ),
+            }
+            return parameters
+
+        @property
+        def content(self):
+            # Return empty JSON object as bytes (required by the API)
+            return b'{}'
+
         def on_204(self, session):
             pass