Include Selective Check to Ping Maintainer about Legacy WWW and API C…

…hanges (apache#42758)

* Include new check in selective_checks.py for checking PR labels to ping maintainers about updating legacy ui or legacy api code piece

* Remove airflow/api from LEGACY_API_FILES

dev/breeze/src/airflow_breeze/utils/selective_checks.py

@@ -76,6 +76,8 @@
 FULL_TESTS_NEEDED_LABEL = "full tests needed"
 INCLUDE_SUCCESS_OUTPUTS_LABEL = "include success outputs"
 LATEST_VERSIONS_ONLY_LABEL = "latest versions only"
+LEGACY_UI_LABEL = "legacy ui"
+LEGACY_API_LABEL = "legacy api"
 NON_COMMITTER_BUILD_LABEL = "non committer build"
 UPGRADE_TO_NEWER_DEPENDENCIES_LABEL = "upgrade to newer dependencies"
 USE_PUBLIC_RUNNERS_LABEL = "use public runners"
@@ -102,11 +104,12 @@ class FileGroupForCi(Enum):
     ALWAYS_TESTS_FILES = "always_test_files"
     API_TEST_FILES = "api_test_files"
     API_CODEGEN_FILES = "api_codegen_files"
+    LEGACY_API_FILES = "legacy_api_files"
     HELM_FILES = "helm_files"
     DEPENDENCY_FILES = "dependency_files"
     DOC_FILES = "doc_files"
     UI_FILES = "ui_files"
-    WWW_FILES = "www_files"
+    LEGACY_WWW_FILES = "legacy_www_files"
     SYSTEM_TEST_FILES = "system_tests"
     KUBERNETES_FILES = "kubernetes_files"
     ALL_PYTHON_FILES = "all_python_files"
@@ -157,6 +160,9 @@ def __hash__(self):
             r"^airflow/api_connexion/openapi/v1\.yaml",
             r"^clients/gen",
         ],
+        FileGroupForCi.LEGACY_API_FILES: [
+            r"^airflow/api_connexion/",
+        ],
         FileGroupForCi.HELM_FILES: [
             r"^chart",
             r"^airflow/kubernetes",
@@ -185,7 +191,7 @@ def __hash__(self):
             r"^airflow/ui/[^/]+\.json$",
             r"^airflow/ui/.*\.lock$",
         ],
-        FileGroupForCi.WWW_FILES: [
+        FileGroupForCi.LEGACY_WWW_FILES: [
             r"^airflow/www/.*\.ts[x]?$",
             r"^airflow/www/.*\.js[x]?$",
             r"^airflow/www/[^/]+\.json$",
@@ -680,7 +686,7 @@ def run_ui_tests(self) -> bool:
 
     @cached_property
     def run_www_tests(self) -> bool:
-        return self._should_be_run(FileGroupForCi.WWW_FILES)
+        return self._should_be_run(FileGroupForCi.LEGACY_WWW_FILES)
 
     @cached_property
     def run_amazon_tests(self) -> bool:
@@ -1055,7 +1061,9 @@ def skip_pre_commits(self) -> str:
             # when full tests are needed, we do not want to skip any checks and we should
             # run all the pre-commits just to be sure everything is ok when some structural changes occurred
             return ",".join(sorted(pre_commits_to_skip))
-        if not self._matching_files(FileGroupForCi.WWW_FILES, CI_FILE_GROUP_MATCHES, CI_FILE_GROUP_EXCLUDES):
+        if not self._matching_files(
+            FileGroupForCi.LEGACY_WWW_FILES, CI_FILE_GROUP_MATCHES, CI_FILE_GROUP_EXCLUDES
+        ):
             pre_commits_to_skip.add("ts-compile-format-lint-www")
         if not self._matching_files(FileGroupForCi.UI_FILES, CI_FILE_GROUP_MATCHES, CI_FILE_GROUP_EXCLUDES):
             pre_commits_to_skip.add("ts-compile-format-lint-ui")
@@ -1354,3 +1362,32 @@ def _is_canary_run(self):
             self._github_event in [GithubEvents.SCHEDULE, GithubEvents.PUSH]
             and self._github_repository == APACHE_AIRFLOW_GITHUB_REPOSITORY
         ) or CANARY_LABEL in self._pr_labels
+
+    @cached_property
+    def is_legacy_ui_api_labeled(self) -> bool:
+        # Selective check for legacy UI/API updates.
+        # It is to ping the maintainer to add the label and make them aware of the changes.
+        if (
+            self._matching_files(
+                FileGroupForCi.LEGACY_API_FILES, CI_FILE_GROUP_MATCHES, CI_FILE_GROUP_EXCLUDES
+            )
+            and LEGACY_API_LABEL not in self._pr_labels
+        ):
+            get_console().print(
+                f"[error]Please ask maintainer to assign "
+                f"the '{LEGACY_API_LABEL}' label to the PR in order to continue"
+            )
+            sys.exit(1)
+        elif (
+            self._matching_files(
+                FileGroupForCi.LEGACY_WWW_FILES, CI_FILE_GROUP_MATCHES, CI_FILE_GROUP_EXCLUDES
+            )
+            and LEGACY_UI_LABEL not in self._pr_labels
+        ):
+            get_console().print(
+                f"[error]Please ask maintainer to assign "
+                f"the '{LEGACY_UI_LABEL}' label to the PR in order to continue"
+            )
+            sys.exit(1)
+        else:
+            return True