cdn track2 configure (#13592)

* cdn track2 configure

* cdn only track2 config

* fix

Co-authored-by: Yan Zhang (WICRESOFT NORTH AMERICA LTD) <v-yanzhang@microsoft.com>
Co-authored-by: 00Kai0 <sunkaihuisos@gmail.com>

specification/cdn/resource-manager/readme.md

@@ -152,7 +152,7 @@ This is not used by Autorest itself.
 
 ``` yaml $(swagger-to-sdk)
 swagger-to-sdk:
-  - repo: azure-sdk-for-python
+  - repo: azure-sdk-for-python-track2
   - repo: azure-sdk-for-java
   - repo: azure-sdk-for-go
   - repo: azure-sdk-for-net

specification/cdn/resource-manager/readme.python.md

@@ -4,24 +4,28 @@ These settings apply only when `--python` is specified on the command line.
 Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
 Use `--python-mode=update` if you already have a setup.py and just want to update the code itself.
 
-``` yaml $(python)
+``` yaml $(python) && $(track2)
 python-mode: create
-python:
-  azure-arm: true
-  license-header: MICROSOFT_MIT_NO_VERSION
-  payload-flattening-threshold: 2
-  namespace: azure.mgmt.cdn
-  package-name: azure-mgmt-cdn
-  package-version: 2.0.0
-  clear-output-folder: true
+azure-arm: true
+license-header: MICROSOFT_MIT_NO_VERSION
+namespace: azure.mgmt.cdn
+package-name: azure-mgmt-cdn
+modelerfour: 
+  lenient-model-deduplication: true
+directive:
+  - from: swagger-document
+    where: $.definitions.DeliveryRuleAction.properties.name
+    transform: >
+      $['x-ms-enum'] = {
+        "name": "DeliveryRuleActionEnum",
+        "modelAsString": true
+      };
 ```
-``` yaml $(python) && $(python-mode) == 'update'
-python:
-  no-namespace-folders: true
-  output-folder: $(python-sdks-folder)/cdn/azure-mgmt-cdn/azure/mgmt/cdn
+``` yaml $(python) && $(python-mode) == 'update' && $(track2)
+no-namespace-folders: true
+output-folder: $(python-sdks-folder)/cdn/azure-mgmt-cdn/azure/mgmt/cdn
 ```
-``` yaml $(python) && $(python-mode) == 'create'
-python:
-  basic-setup-py: true
-  output-folder: $(python-sdks-folder)/cdn/azure-mgmt-cdn
+``` yaml $(python) && $(python-mode) == 'create' && $(track2)
+basic-setup-py: true
+output-folder: $(python-sdks-folder)/cdn/azure-mgmt-cdn
 ```