[pipeline] add variable for pipeline to paste issue link (Azure#20147)

* Update create_auto_release_pr

* Update create_auto_release_pr.py

* Update create_auto_release_pr.py

* Update create_auto_release_pr.py

* Update create_auto_release_pr.py

* Update create_auto_release_pr.py

* Update PythonSdkLiveTest.yml

* Update create_auto_release_pr.py

* Update PythonSdkLiveTest.yml

Co-authored-by: BigCat20196 <1095260342@qq.com>
Co-authored-by: Jiefeng Chen <51037443+BigCat20196@users.noreply.github.com>

Author: msyyc

scripts/auto_release/PythonSdkLiveTest.yml

@@ -78,6 +78,7 @@ jobs:
         export USR_NAME=$(USR_NAME)
         export USR_TOKEN=$(USR_TOKEN)
         export TEST_RESULT=$test_result
+        export UPDATE_TOKEN=$(UPDATE_TOKEN)
 
         python $script_path/create_auto_release_pr.py
         echo "\'[AutoRelease] $new_branch \' has been created!!!"

scripts/auto_release/create_auto_release_pr.py

@@ -9,7 +9,12 @@ def main():
     pr_head = "{}:{}".format(os.getenv('USR_NAME'), os.getenv('NEW_BRANCH'))
     pr_base = os.getenv('TARGET_BRANCH')
     pr_body = "{} \n{}".format(os.getenv('ISSUE_LINK'), os.getenv('TEST_RESULT'))
-    api.pulls.create(pr_title, pr_head, pr_base, pr_body)
+    res_create = api.pulls.create(pr_title, pr_head, pr_base, pr_body)
+    pr_number = res_create.number
+
+    # Add issue link on PR
+    api = GhApi(owner='Azure', repo='azure-sdk-for-python', token=os.getenv('UPDATE_TOKEN'))
+    api.issues.create_comment(issue_number=pr_number, body='issue link:{}'.format(os.getenv('ISSUE_LINK')))
 
 if __name__ == '__main__':
     main()