Run notify forwarder as a compose service (host networking, restart policy) (#26)

2026-09-25 10:49:51 +02:00
parent 5e03546f40
commit dca0dfa894
6 changed files with 86 additions and 1 deletions
@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+"""mesh-bot notify forwarder: POST /notify {text, from?} -> opencode session message (basic auth).
+
+Note on semantics: the opencode API accepts a session message immediately but holds the HTTP
+response until the agent turn completes — so a read timeout here means DELIVERED, not failed.
+"""
+import json, base64, urllib.request
+from http.server import BaseHTTPRequestHandler, HTTPServer
+import os
+
+BASE = os.environ.get("FORWARDER_BASE", "http://127.0.0.1:9898/workspaces/679fd6f6-b237-4a46-bf69-64cb0fc865b0/instance")
+SESSION = os.environ.get("FORWARDER_SESSION", "ses_f31037caeffeioRwixqGV7VS6m")
+USER = os.environ["FORWARDER_USER"]   # required; fail fast if missing
+PASS = os.environ["FORWARDER_PASS"]   # required; fail fast if missing
+
+class H(BaseHTTPRequestHandler):
+    def do_POST(self):
+        if self.path != "/notify":
+            self.send_response(404); self.end_headers(); return
+        n = int(self.headers.get("Content-Length", 0))
+        try:
+            body = json.loads(self.rfile.read(n) or b"{}")
+            text, frm = body.get("text"), body.get("from")
+            msg = 'New mesh message' + (f' from node {frm}' if frm is not None else '') + f': "{text}" — please react to it.'
+            req = urllib.request.Request(
+                f"{BASE}/session/{SESSION}/message",
+                data=json.dumps({"parts": [{"type": "text", "text": msg}]}).encode(),
+                headers={"Content-Type": "application/json",
+                         "Authorization": "Basic " + base64.b64encode(f"{USER}:{PASS}".encode()).decode()},
+                method="POST")
+            try:
+                r = urllib.request.urlopen(req, timeout=15)
+                code = r.status  # headers received => opencode accepted the message
+                try: out = r.read(200).decode(errors='replace')
+                except Exception as e2: out = f'(body read failed after delivery: {e2!r})'
+                print(f"forwarded to opencode session {SESSION}: HTTP {code} {out[:150]!r}", flush=True)
+                self._reply(code if 200 <= code < 300 else 502, b'{"ok":true}' if 200 <= code < 300 else str(code).encode())
+            except TimeoutError:
+                # request was sent; opencode holds the response until the agent turn finishes => delivered
+                print(f"forwarded to opencode session {SESSION}: accepted (response still pending after 15 s)", flush=True)
+                self._reply(202, b'{"ok":true,"note":"accepted; opencode response pending"}')
+        except Exception as e:
+            print(f"opencode call failed: {e!r}", flush=True)
+            self._reply(502, repr(e).encode())
+
+    def _reply(self, code, payload):
+        try:
+            self.send_response(code); self.end_headers(); self.wfile.write(payload)
+        except (BrokenPipeError, ConnectionResetError):
+            pass  # client went away; delivery state already logged above
+
+    def log_message(self, fmt, *args):
+        print("forwarder:", fmt % args, flush=True)
+
+HTTPServer(("0.0.0.0", 4097), H).serve_forever()