feat(plugins): add managed runtime SDK and release 2.4.5

artemis/plugins/_sdk_probe.py

@@ -0,0 +1,40 @@
+"""Synthetic tool used only by the opt-in SDK fault suite. No device/network I/O."""
+
+import json
+import os
+from pathlib import Path
+import subprocess
+import sys
+import time
+
+
+def main():
+    mode = sys.argv[1]
+    if mode == "sleep":
+        time.sleep(60)
+    elif mode == "tree":
+        child = subprocess.Popen(
+            [sys.executable, "-I", "-B", __file__, "sleep"],
+            stdin=subprocess.DEVNULL,
+            stdout=subprocess.DEVNULL,
+            stderr=subprocess.DEVNULL,
+            creationflags=subprocess.CREATE_NO_WINDOW if os.name == "nt" else 0,
+        )
+        Path(sys.argv[2]).write_text(json.dumps({"pid": child.pid}), encoding="utf-8")
+        if sys.argv[3] == "linger":
+            time.sleep(60)
+    elif mode == "echo":
+        data = sys.stdin.buffer.read()
+        sys.stdout.buffer.write(data)
+        sys.stderr.buffer.write(b"synthetic-stderr")
+    elif mode == "overflow":
+        while True:
+            os.write(1, b"x" * 65536)
+    elif mode == "failure":
+        raise SystemExit(7)
+    else:
+        raise SystemExit(2)
+
+
+if __name__ == "__main__":
+    main()