Compare commits
1 Commits
q/322-1776
...
queue/350-
| Author | SHA1 | Date | |
|---|---|---|---|
|
43cbd3191d |
179
agent/memory.py
179
agent/memory.py
@@ -1,179 +0,0 @@
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"""Memory backends — cross-session user modeling.
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Local SQLite default, Honcho cloud opt-in. Zero overhead when disabled.
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Evaluation: Local A(~95pts) vs Honcho B(~60pts). Recommend local.
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"""
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import json, logging, os, sqlite3, time
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from abc import ABC, abstractmethod
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from dataclasses import dataclass, field
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from pathlib import Path
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from typing import Any, Dict, List, Optional
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from hermes_constants import get_hermes_home
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logger = logging.getLogger(__name__)
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@dataclass
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class Entry:
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key: str; value: str; uid: str
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etype: str = "preference"; created: float = 0; updated: float = 0; meta: Dict = field(default_factory=dict)
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def __post_init__(self):
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t = time.time()
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if not self.created: self.created = t
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if not self.updated: self.updated = t
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class Backend(ABC):
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@abstractmethod
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def ok(self) -> bool: ...
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def put(self, uid: str, k: str, v: str, meta: Dict = None) -> bool: ...
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def get(self, uid: str, k: str) -> Optional[Entry]: ...
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def find(self, uid: str, q: str, n: int = 10) -> List[Entry]: ...
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def all(self, uid: str) -> List[Entry]: ...
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def rm(self, uid: str, k: str) -> bool: ...
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@property
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def name(self) -> str: ...
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@property
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def cloud(self) -> bool: ...
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class Null(Backend):
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def ok(self) -> bool: return True
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def put(self, uid, k, v, meta=None) -> bool: return True
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def get(self, uid, k) -> Optional[Entry]: return None
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def find(self, uid, q, n=10) -> List[Entry]: return []
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def all(self, uid) -> List[Entry]: return []
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def rm(self, uid, k) -> bool: return True
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@property
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def name(self) -> str: return "null"
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@property
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def cloud(self) -> bool: return False
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class Local(Backend):
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def __init__(self, p: Path = None):
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self._p = p or get_hermes_home() / "memory.db"
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self._p.parent.mkdir(parents=True, exist_ok=True)
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with sqlite3.connect(str(self._p)) as c:
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c.execute("CREATE TABLE IF NOT EXISTS m(uid TEXT,k TEXT,v TEXT,t TEXT DEFAULT 'preference',m TEXT,c REAL,u REAL,PRIMARY KEY(uid,k))")
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c.commit()
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def ok(self) -> bool:
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try:
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with sqlite3.connect(str(self._p)) as c: c.execute("SELECT 1")
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return True
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except: return False
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def put(self, uid, k, v, meta=None) -> bool:
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try:
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t = time.time(); et = (meta or {}).get("type","preference")
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with sqlite3.connect(str(self._p)) as c:
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c.execute("INSERT INTO m VALUES(?,?,?,?,?,?,?) ON CONFLICT(uid,k) DO UPDATE SET v=excluded.v,t=excluded.t,m=excluded.m,u=excluded.u",
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(uid,k,v,et,json.dumps(meta) if meta else None,t,t))
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c.commit()
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return True
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except Exception as e: logger.warning("put: %s",e); return False
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def get(self, uid, k) -> Optional[Entry]:
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try:
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with sqlite3.connect(str(self._p)) as c:
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r = c.execute("SELECT k,v,uid,t,m,c,u FROM m WHERE uid=? AND k=?", (uid,k)).fetchone()
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return Entry(key=r[0],value=r[1],uid=r[2],etype=r[3],meta=json.loads(r[4]) if r[4] else {},created=r[5],updated=r[6]) if r else None
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except: return None
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def find(self, uid, q, n=10) -> List[Entry]:
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try:
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p = f"%{q}%"
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with sqlite3.connect(str(self._p)) as c:
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rows = c.execute("SELECT k,v,uid,t,m,c,u FROM m WHERE uid=? AND (k LIKE ? OR v LIKE ?) ORDER BY u DESC LIMIT ?", (uid,p,p,n)).fetchall()
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return [Entry(key=r[0],value=r[1],uid=r[2],etype=r[3],meta=json.loads(r[4]) if r[4] else {},created=r[5],updated=r[6]) for r in rows]
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except: return []
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def all(self, uid) -> List[Entry]:
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try:
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with sqlite3.connect(str(self._p)) as c:
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rows = c.execute("SELECT k,v,uid,t,m,c,u FROM m WHERE uid=? ORDER BY u DESC",(uid,)).fetchall()
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return [Entry(key=r[0],value=r[1],uid=r[2],etype=r[3],meta=json.loads(r[4]) if r[4] else {},created=r[5],updated=r[6]) for r in rows]
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except: return []
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def rm(self, uid, k) -> bool:
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try:
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with sqlite3.connect(str(self._p)) as c: c.execute("DELETE FROM m WHERE uid=? AND k=?", (uid,k)); c.commit()
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return True
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except: return False
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@property
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def name(self) -> str: return "local"
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@property
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def cloud(self) -> bool: return False
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class Honcho(Backend):
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def __init__(self):
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self._c = None; self._k = os.getenv("HONCHO_API_KEY","")
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def _lazy(self):
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if self._c: return self._c
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if not self._k: return None
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try:
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from honcho import Honcho as H
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self._c = H(api_key=self._k); return self._c
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except: return None
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def ok(self) -> bool:
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if not self._k: return False
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c = self._lazy()
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if not c: return False
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try: c.get_sessions(limit=1); return True
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except: return False
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def put(self, uid, k, v, meta=None) -> bool:
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c = self._lazy()
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if not c: return False
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try: c.add_message(f"m-{uid}","system",json.dumps({"k":k,"v":v})); return True
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except: return False
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def get(self, uid, k) -> Optional[Entry]:
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for e in self.find(uid,k,1):
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if e.key == k: return e
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return None
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def find(self, uid, q, n=10) -> List[Entry]:
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c = self._lazy()
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if not c: return []
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try:
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r = c.chat(f"m-{uid}", f"Find: {q}")
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if isinstance(r,dict):
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try:
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data = json.loads(r.get("content",""))
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items = data if isinstance(data,list) else [data]
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return [Entry(key=i["k"],value=i.get("v",""),uid=uid) for i in items[:n] if isinstance(i,dict) and i.get("k")]
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except: pass
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return []
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except: return []
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def all(self, uid) -> List[Entry]: return self.find(uid,"",100)
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def rm(self, uid, k) -> bool: return False
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@property
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def name(self) -> str: return "honcho"
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@property
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def cloud(self) -> bool: return True
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def score(b: Backend, uid: str = "_e_") -> Dict:
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if not b.ok(): return {"name":b.name,"score":0,"grade":"F","ok":False}
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s = 20
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t0 = time.perf_counter(); ok = b.put(uid,"ek","ev"); sm = (time.perf_counter()-t0)*1000; s += 15 if ok else 0
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t0 = time.perf_counter(); r = b.get(uid,"ek"); gm = (time.perf_counter()-t0)*1000; s += 15 if r else 0
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t0 = time.perf_counter(); q = b.find(uid,"ev",5); qm = (time.perf_counter()-t0)*1000; s += 10 if q else 0
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avg = (sm+gm+qm)/3; s += 20 if avg<10 else 15 if avg<50 else 10 if avg<200 else 5
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s += 20 if not b.cloud else 5
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try: b.rm(uid,"ek")
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except: pass
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return {"name":b.name,"score":s,"grade":"A" if s>=80 else "B" if s>=60 else "C" if s>=40 else "D" if s>=20 else "F","ok":True,"cloud":b.cloud}
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def evaluate() -> Dict:
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bs = [Null(), Local()]
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if os.getenv("HONCHO_API_KEY"):
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try: bs.append(Honcho())
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except: pass
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rs = [score(b) for b in bs]
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best = max((r for r in rs if r["name"]!="null" and r["ok"]), key=lambda r:r["score"], default=None)
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rec = f"Best: {best['name']} ({best['score']}pts, {best['grade']})" if best else "None"
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if best and best.get("cloud"): rec += " WARNING: cloud. RECOMMEND local."
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return {"results":rs,"recommendation":rec}
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_inst = None
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def get_backend() -> Backend:
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global _inst
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if _inst: return _inst
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if os.getenv("HONCHO_API_KEY") and os.getenv("HERMES_MEMORY_BACKEND","").lower()!="local":
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try:
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h = Honcho()
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if h.ok(): _inst = h; return _inst
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except: pass
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_inst = Local(); return _inst
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def reset(): global _inst; _inst = None
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@@ -186,7 +186,14 @@ _SCRIPT_FAILURE_PHRASES = (
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"unable to execute",
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"permission denied",
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"no such file",
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"no such file or directory",
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"command not found",
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"hermes binary not found",
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"hermes not found",
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"traceback",
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"ssh: connect to host",
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"connection timed out",
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"host key verification failed",
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)
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275
cron/ssh_dispatch.py
Normal file
275
cron/ssh_dispatch.py
Normal file
@@ -0,0 +1,275 @@
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"""SSH dispatch utilities for VPS agent operations.
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Provides validated SSH execution with proper failure detection.
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Used by cron jobs that dispatch work to remote VPS agents.
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Key classes:
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SSHEnvironment: Executes commands on remote hosts with validation
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DispatchResult: Structured result with success/failure status
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"""
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from __future__ import annotations
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import logging
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import os
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import subprocess
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import time
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from typing import Optional
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logger = logging.getLogger(__name__)
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_SSH_TIMEOUT = int(os.getenv("HERMES_SSH_TIMEOUT", "30"))
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_DEFAULT_HERMES_PATHS = [
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"/root/wizards/{agent}/venv/bin/hermes",
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"/root/.local/bin/hermes",
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"/usr/local/bin/hermes",
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"~/.local/bin/hermes",
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"hermes",
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]
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class DispatchResult:
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"""Structured result of a dispatch operation."""
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__slots__ = (
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"success", "host", "command", "exit_code",
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"stdout", "stderr", "error", "duration_ms", "hermes_path",
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)
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def __init__(
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self,
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success: bool,
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host: str,
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command: str,
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exit_code: int = -1,
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stdout: str = "",
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stderr: str = "",
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error: str = "",
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duration_ms: int = 0,
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hermes_path: str = "",
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):
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self.success = success
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self.host = host
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self.command = command
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self.exit_code = exit_code
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self.stdout = stdout
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self.stderr = stderr
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self.error = error
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self.duration_ms = duration_ms
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self.hermes_path = hermes_path
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def to_dict(self) -> dict:
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return {
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"success": self.success,
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"host": self.host,
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"exit_code": self.exit_code,
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"error": self.error,
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"duration_ms": self.duration_ms,
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"hermes_path": self.hermes_path,
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"stderr_tail": self.stderr[-200:] if self.stderr else "",
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}
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@property
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def failure_reason(self) -> str:
|
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if self.success:
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return ""
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if self.error:
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return self.error
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if "No such file" in self.stderr or "command not found" in self.stderr:
|
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return f"Hermes binary not found on {self.host}"
|
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if self.exit_code != 0:
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return f"Remote command exited {self.exit_code}"
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return "Dispatch failed (unknown reason)"
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|
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|
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class SSHEnvironment:
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"""Validated SSH execution environment for VPS agent dispatch.
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|
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Validates remote hermes binary paths before dispatching and returns
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structured results so callers can distinguish success from failure.
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"""
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def __init__(
|
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self,
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host: str,
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agent: str = "",
|
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ssh_key: str = "",
|
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ssh_port: int = 22,
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timeout: int = _SSH_TIMEOUT,
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hermes_path: str = "",
|
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):
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self.host = host
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self.agent = agent
|
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self.ssh_key = ssh_key
|
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self.ssh_port = ssh_port
|
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self.timeout = timeout
|
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self.hermes_path = hermes_path
|
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self._validated_path: str = ""
|
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|
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def _ssh_base_cmd(self) -> list[str]:
|
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cmd = ["ssh", "-o", "StrictHostKeyChecking=accept-new"]
|
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cmd.extend(["-o", "ConnectTimeout=10"])
|
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cmd.extend(["-o", "BatchMode=yes"])
|
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if self.ssh_key:
|
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cmd.extend(["-i", self.ssh_key])
|
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if self.ssh_port != 22:
|
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cmd.extend(["-p", str(self.ssh_port)])
|
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cmd.append(self.host)
|
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return cmd
|
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|
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def _resolve_hermes_paths(self) -> list[str]:
|
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if self.hermes_path:
|
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return [self.hermes_path]
|
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paths = []
|
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for tmpl in _DEFAULT_HERMES_PATHS:
|
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path = tmpl.format(agent=self.agent) if "{agent}" in tmpl else tmpl
|
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paths.append(path)
|
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return paths
|
||||
|
||||
def validate_remote_hermes_path(self) -> str:
|
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"""Probe the remote host for a working hermes binary.
|
||||
|
||||
Returns the validated path on success, raises RuntimeError on failure.
|
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Caches the result so validation is only done once per instance.
|
||||
"""
|
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if self._validated_path:
|
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return self._validated_path
|
||||
|
||||
candidates = self._resolve_hermes_paths()
|
||||
for path in candidates:
|
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test_cmd = f"test -x {path} && echo OK || echo MISSING"
|
||||
try:
|
||||
result = subprocess.run(
|
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self._ssh_base_cmd() + [test_cmd],
|
||||
capture_output=True, text=True, timeout=self.timeout,
|
||||
)
|
||||
if result.returncode == 0 and "OK" in (result.stdout or ""):
|
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logger.info("SSH %s: hermes validated at %s", self.host, path)
|
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self._validated_path = path
|
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return path
|
||||
except subprocess.TimeoutExpired:
|
||||
logger.warning("SSH %s: timeout probing %s", self.host, path)
|
||||
continue
|
||||
except Exception as exc:
|
||||
logger.debug("SSH %s: probe %s failed: %s", self.host, path, exc)
|
||||
continue
|
||||
|
||||
raise RuntimeError(
|
||||
f"No working hermes binary found on {self.host}. "
|
||||
f"Checked: {', '.join(candidates)}."
|
||||
)
|
||||
|
||||
def execute_command(self, remote_cmd: str) -> DispatchResult:
|
||||
"""Execute a command on the remote host. Returns DispatchResult."""
|
||||
t0 = time.monotonic()
|
||||
full_cmd = self._ssh_base_cmd() + [remote_cmd]
|
||||
try:
|
||||
result = subprocess.run(
|
||||
full_cmd, capture_output=True, text=True, timeout=self.timeout,
|
||||
)
|
||||
elapsed = int((time.monotonic() - t0) * 1000)
|
||||
stderr = (result.stderr or "").strip()
|
||||
stdout = (result.stdout or "").strip()
|
||||
|
||||
if result.returncode != 0:
|
||||
return DispatchResult(
|
||||
success=False, host=self.host, command=remote_cmd,
|
||||
exit_code=result.returncode, stdout=stdout, stderr=stderr,
|
||||
error=stderr.split("\n")[0] if stderr else f"exit code {result.returncode}",
|
||||
duration_ms=elapsed,
|
||||
)
|
||||
return DispatchResult(
|
||||
success=True, host=self.host, command=remote_cmd,
|
||||
exit_code=0, stdout=stdout, stderr=stderr, duration_ms=elapsed,
|
||||
)
|
||||
except subprocess.TimeoutExpired:
|
||||
elapsed = int((time.monotonic() - t0) * 1000)
|
||||
return DispatchResult(
|
||||
success=False, host=self.host, command=remote_cmd,
|
||||
error=f"SSH timed out after {self.timeout}s", duration_ms=elapsed,
|
||||
)
|
||||
except Exception as exc:
|
||||
elapsed = int((time.monotonic() - t0) * 1000)
|
||||
return DispatchResult(
|
||||
success=False, host=self.host, command=remote_cmd,
|
||||
error=str(exc), duration_ms=elapsed,
|
||||
)
|
||||
|
||||
def dispatch(self, hermes_args: str, validate: bool = True) -> DispatchResult:
|
||||
"""Dispatch a hermes command on the remote host.
|
||||
|
||||
Args:
|
||||
hermes_args: Arguments to pass to hermes (e.g. "cron tick").
|
||||
validate: If True, validate the hermes binary exists first.
|
||||
|
||||
Returns DispatchResult. Only success=True if command actually ran.
|
||||
"""
|
||||
if validate:
|
||||
try:
|
||||
hermes_path = self.validate_remote_hermes_path()
|
||||
except RuntimeError as exc:
|
||||
return DispatchResult(
|
||||
success=False, host=self.host,
|
||||
command=f"hermes {hermes_args}",
|
||||
error=str(exc), hermes_path="(not found)",
|
||||
)
|
||||
else:
|
||||
hermes_path = self.hermes_path or "hermes"
|
||||
|
||||
remote_cmd = f"{hermes_path} {hermes_args}"
|
||||
result = self.execute_command(remote_cmd)
|
||||
result.hermes_path = hermes_path
|
||||
return result
|
||||
|
||||
|
||||
def dispatch_to_hosts(
|
||||
hosts: list[str],
|
||||
hermes_args: str,
|
||||
agent: str = "",
|
||||
ssh_key: str = "",
|
||||
ssh_port: int = 22,
|
||||
timeout: int = _SSH_TIMEOUT,
|
||||
) -> dict[str, DispatchResult]:
|
||||
"""Dispatch a hermes command to multiple hosts. Returns host -> DispatchResult."""
|
||||
results: dict[str, DispatchResult] = {}
|
||||
for host in hosts:
|
||||
ssh = SSHEnvironment(
|
||||
host=host, agent=agent, ssh_key=ssh_key,
|
||||
ssh_port=ssh_port, timeout=timeout,
|
||||
)
|
||||
results[host] = ssh.dispatch(hermes_args)
|
||||
logger.info(
|
||||
"Dispatch %s: %s", host,
|
||||
"OK" if results[host].success else results[host].failure_reason,
|
||||
)
|
||||
return results
|
||||
|
||||
|
||||
def format_dispatch_report(results: dict[str, DispatchResult]) -> str:
|
||||
"""Format dispatch results as a human-readable report."""
|
||||
lines = []
|
||||
ok = [r for r in results.values() if r.success]
|
||||
failed = [r for r in results.values() if not r.success]
|
||||
|
||||
lines.append(f"Dispatch report: {len(ok)} OK, {len(failed)} failed")
|
||||
lines.append("")
|
||||
for host, result in results.items():
|
||||
status = "OK" if result.success else "FAILED"
|
||||
line = f" {host}: {status}"
|
||||
if not result.success:
|
||||
line += f" -- {result.failure_reason}"
|
||||
if result.duration_ms:
|
||||
line += f" ({result.duration_ms}ms)"
|
||||
lines.append(line)
|
||||
|
||||
if failed:
|
||||
lines.append("")
|
||||
lines.append("Failed dispatches:")
|
||||
for host, result in results.items():
|
||||
if not result.success:
|
||||
lines.append(f" {host}: {result.failure_reason}")
|
||||
if result.stderr:
|
||||
lines.append(f" stderr: {result.stderr[-150:]}")
|
||||
|
||||
return "\n".join(lines)
|
||||
@@ -1,64 +0,0 @@
|
||||
"""Tests for memory backends (#322)."""
|
||||
|
||||
import json, pytest
|
||||
from agent.memory import Entry, Null, Local, Honcho, score, evaluate, get_backend, reset
|
||||
|
||||
@pytest.fixture()
|
||||
def loc(tmp_path): return Local(p=tmp_path/"t.db")
|
||||
@pytest.fixture()
|
||||
def rst(): reset(); yield; reset()
|
||||
|
||||
class TestEntry:
|
||||
def test_defaults(self):
|
||||
e = Entry(key="k",value="v",uid="u"); assert e.created > 0
|
||||
|
||||
class TestNull:
|
||||
def test_ok(self): assert Null().ok()
|
||||
def test_put(self): assert Null().put("u","k","v")
|
||||
def test_get(self): assert Null().get("u","k") is None
|
||||
def test_find(self): assert Null().find("u","q") == []
|
||||
def test_not_cloud(self): assert not Null().cloud
|
||||
|
||||
class TestLocal:
|
||||
def test_ok(self,loc): assert loc.ok()
|
||||
def test_put_get(self,loc):
|
||||
assert loc.put("u","lang","py")
|
||||
e = loc.get("u","lang"); assert e.value == "py"
|
||||
def test_meta(self,loc):
|
||||
loc.put("u","k","v",{"type":"pattern"})
|
||||
assert loc.get("u","k").etype == "pattern"
|
||||
def test_update(self,loc):
|
||||
loc.put("u","k","v1"); loc.put("u","k","v2")
|
||||
assert loc.get("u","k").value == "v2"
|
||||
def test_find(self,loc):
|
||||
loc.put("u","pref_py","1"); loc.put("u","pref_vim","1"); loc.put("u","th","d")
|
||||
assert len(loc.find("u","pref")) == 2
|
||||
def test_all(self,loc):
|
||||
loc.put("u","a","1"); loc.put("u","b","2")
|
||||
assert len(loc.all("u")) == 2
|
||||
def test_rm(self,loc):
|
||||
loc.put("u","k","v"); assert loc.rm("u","k"); assert loc.get("u","k") is None
|
||||
def test_not_cloud(self,loc): assert not loc.cloud
|
||||
def test_users(self,loc):
|
||||
loc.put("u1","k","v1"); loc.put("u2","k","v2")
|
||||
assert loc.get("u1","k").value == "v1"
|
||||
|
||||
class TestHoncho:
|
||||
def test_no_key(self,monkeypatch):
|
||||
monkeypatch.delenv("HONCHO_API_KEY",raising=False)
|
||||
assert not Honcho().ok()
|
||||
def test_cloud(self): assert Honcho().cloud
|
||||
|
||||
class TestScore:
|
||||
def test_null(self):
|
||||
r = score(Null()); assert r["score"] > 0
|
||||
def test_local(self,loc):
|
||||
r = score(loc); assert r["ok"]; assert r["score"] >= 80; assert r["grade"] == "A"
|
||||
def test_eval(self,rst):
|
||||
r = evaluate(); assert len(r["results"]) >= 2; assert "recommendation" in r
|
||||
|
||||
class TestSingleton:
|
||||
def test_default(self,rst,monkeypatch):
|
||||
monkeypatch.delenv("HONCHO_API_KEY",raising=False)
|
||||
assert isinstance(get_backend(), Local)
|
||||
def test_cache(self,rst): assert get_backend() is get_backend()
|
||||
@@ -1,36 +0,0 @@
|
||||
"""Memory backend tool — cross-session prefs. Local default, Honcho opt-in."""
|
||||
|
||||
import json
|
||||
from tools.registry import registry
|
||||
|
||||
def memory_backend(action, uid="default", key=None, value=None, query=None, meta=None):
|
||||
from agent.memory import get_backend, evaluate
|
||||
b = get_backend()
|
||||
if action=="info": return json.dumps({"ok":True,"backend":b.name,"cloud":b.cloud,"available":b.ok()})
|
||||
if action=="store":
|
||||
if not key or value is None: return json.dumps({"ok":False,"error":"key+value required"})
|
||||
return json.dumps({"ok":b.put(uid,key,value,meta),"key":key})
|
||||
if action=="get":
|
||||
if not key: return json.dumps({"ok":False,"error":"key required"})
|
||||
e = b.get(uid,key)
|
||||
return json.dumps({"ok":True,"key":e.key,"value":e.value,"type":e.etype}) if e else json.dumps({"ok":False,"error":"not found"})
|
||||
if action=="query":
|
||||
if not query: return json.dumps({"ok":False,"error":"query required"})
|
||||
r = b.find(uid,query)
|
||||
return json.dumps({"ok":True,"results":[{"key":e.key,"value":e.value} for e in r],"count":len(r)})
|
||||
if action=="list":
|
||||
r = b.all(uid)
|
||||
return json.dumps({"ok":True,"entries":[{"key":e.key,"type":e.etype} for e in r],"count":len(r)})
|
||||
if action=="delete":
|
||||
if not key: return json.dumps({"ok":False,"error":"key required"})
|
||||
return json.dumps({"ok":b.rm(uid,key)})
|
||||
if action=="evaluate": return json.dumps({"ok":True,**evaluate()})
|
||||
return json.dumps({"ok":False,"error":f"unknown: {action}"})
|
||||
|
||||
registry.register(name="memory_backend",toolset="skills",schema={
|
||||
"name":"memory_backend","description":"Cross-session memory backends. Local SQLite default, Honcho cloud opt-in. Zero overhead when disabled.",
|
||||
"parameters":{"type":"object","properties":{
|
||||
"action":{"type":"string","enum":["store","get","query","list","delete","info","evaluate"]},
|
||||
"uid":{"type":"string"},"key":{"type":"string"},"value":{"type":"string"},
|
||||
"query":{"type":"string"},"meta":{"type":"object"}},"required":["action"]}},
|
||||
handler=lambda a,**kw: memory_backend(**{k:v for k,v in a.items() if v is not None}),emoji="🧠")
|
||||
Reference in New Issue
Block a user