ci: add a tool to launch workloads on cluster (#3516)

Example usage:

```
uv run tools/gha_run_cluster_job.py .github/working-dir/simple.py
```

<img width="1589" alt="image"
src="https://github.com/user-attachments/assets/26319681-9846-4c37-a630-12b4193478d8">

---------

Co-authored-by: Jay Chia <[email protected]@users.noreply.github.com>

tools/gha_run_cluster_job.py

@@ -0,0 +1,88 @@
+# /// script
+# requires-python = ">=3.12"
+# dependencies = ["PyGithub"]
+# ///
+
+import argparse
+import os
+import pathlib
+
+from github import Auth, Github, enable_console_debug_logging
+
+GITHUB_OAUTH_TOKEN_ENVVAR = "GITHUB_OAUTH_TOKEN"
+
+
+def get_oauth_token() -> str:
+    token = os.getenv(GITHUB_OAUTH_TOKEN_ENVVAR)
+    if token is None:
+        raise RuntimeError(
+            "Unable to find github token at $GITHUB_OAUTH_TOKEN. Please generate one and assign it to the environment variable. "
+            "We recommend creating a Classic token (the fine-grained ones seem to not really work) and give it at least Workflow as well as Repository access. "
+            "https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/managing-your-personal-access-tokens"
+        )
+    return token
+
+
+def main(
+    daft_wheel_url: str | None,
+    daft_version: str,
+    path_to_script: pathlib.Path,
+    script_args: str | None,
+    branch: str = "main",
+):
+    auth = Auth.Token(get_oauth_token())
+    g = Github(auth=auth)
+
+    daft_package = {"daft_wheel_url": daft_wheel_url} if daft_wheel_url is not None else {"daft_version": daft_version}
+    entrypoint_args = {"entrypoint_args": script_args} if script_args is not None else {}
+
+    inputs = {
+        **daft_package,
+        "entrypoint_script": str(path_to_script.name),
+        "working_dir": str(path_to_script.parent),
+        **entrypoint_args,
+    }
+
+    repo = g.get_repo("Eventual-Inc/Daft")
+    workflow = repo.get_workflow("run-cluster.yaml")
+
+    created = workflow.create_dispatch(
+        ref=branch,
+        inputs={**inputs},
+    )
+
+    if not created:
+        raise RuntimeError("Could not create workflow, suggestion: run again with --verbose")
+
+    print("Workflow created, view it at: https://github.com/Eventual-Inc/Daft/actions/workflows/run-cluster.yaml")
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        description="Run Daft cluster workflow on github actions",
+        usage="uv run gha_run_cluster_job.py [-h] [--branch BRANCH] [--daft-wheel-url DAFT_WHEEL_URL | --daft-version DAFT_VERSION] path_to_script [-- script_args ...]",
+    )
+    parser.add_argument("path_to_script", type=pathlib.Path, help="Path to the script to run")
+    parser.add_argument("--branch", default="main", help="GitHub branch to use")
+    group = parser.add_mutually_exclusive_group(required=False)
+    group.add_argument("--daft-wheel-url", help="URL of the Daft wheel")
+    group.add_argument("--daft-version", default="0.3.15", help="Released version of daft (default: 0.3.15)")
+    parser.add_argument("--verbose", action="store_true", help="Enable verbose mode")
+    args, extra = parser.parse_known_args()
+
+    if args.verbose:
+        enable_console_debug_logging()
+
+    script_args = None
+    if extra:
+        if extra[0] != "--":
+            raise ValueError(f"Arguments to the script must be passed in after a '--', received: {' '.join(extra)}")
+        script_args = " ".join(extra[1:])
+
+    main(
+        daft_wheel_url=args.daft_wheel_url,
+        daft_version=args.daft_version,
+        path_to_script=args.path_to_script,
+        script_args=script_args,
+        branch=args.branch,
+    )