[Github] Add script to count running jobs (#80250)

This patch adds a script to automatically query the number of running
jobs and print them to the terminal as this functionality isn't
available through the Github UI (unless you are a Github administrator).

Author: boomanaiden154

llvm/utils/count_running_jobs.py

@@ -0,0 +1,49 @@
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+"""Tool for counting the number of currently running Github actions jobs.
+
+This tool counts and enumerates the currently active jobs in Github actions
+for the monorepo.
+
+python3 ./count_running_jobs.py --token=<github token>
+
+Note that the token argument is optional. If it is not specified, the queries
+will be performed unauthenticated.
+"""
+
+import argparse
+import github
+
+
+def main(token):
+    workflows = (
+        github.Github(args.token)
+        .get_repo("llvm/llvm-project")
+        .get_workflow_runs(status="in_progress")
+    )
+
+    in_progress_jobs = 0
+
+    for workflow in workflows:
+        for job in workflow.jobs():
+            if job.status == "in_progress":
+                print(f"{workflow.name}/{job.name}")
+                in_progress_jobs += 1
+
+    print(f"\nFound {in_progress_jobs} running jobs.")
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        description="A tool for listing and counting Github actions jobs"
+    )
+    parser.add_argument(
+        "--token",
+        type=str,
+        help="The Github token to use to authorize with the API",
+        default=None,
+        nargs="?",
+    )
+    args = parser.parse_args()
+    main(args.token)