Initial commit — agent_debian v2.0

skills/cron.py

@@ -0,0 +1,93 @@
+"""
+Skill CRON — gestion des tâches cron.
+
+Usage LLM :
+  SKILL:cron ARGS:list [utilisateur]
+  SKILL:cron ARGS:add <expression_cron> <commande>
+  SKILL:cron ARGS:remove <pattern>
+  SKILL:cron ARGS:system-list
+"""
+import subprocess
+import tempfile
+import os
+
+DESCRIPTION = "Gestion des tâches cron (crontab)"
+USAGE = "SKILL:cron ARGS:list | add <* * * * *> <commande> | remove <pattern> | system-list"
+
+
+def _run(cmd: str, timeout: int = 10) -> str:
+    try:
+        result = subprocess.run(
+            cmd, shell=True, text=True,
+            capture_output=True, timeout=timeout
+        )
+        return (result.stdout + result.stderr).strip() or "(aucune sortie)"
+    except Exception as e:
+        return str(e)
+
+
+def run(args: str, context) -> str:
+    parts = args.strip().split(None, 1)
+    action = parts[0].lower() if parts else "list"
+    rest   = parts[1] if len(parts) > 1 else ""
+
+    if action == "list":
+        user = rest.strip() or ""
+        flag = f"-u {user}" if user else ""
+        result = _run(f"crontab {flag} -l 2>/dev/null")
+        return result if result else "Crontab vide."
+
+    if action == "add":
+        # Format attendu : "* * * * * commande"
+        # On split les 5 premiers champs (expression cron) + le reste (commande)
+        words = rest.split()
+        if len(words) < 6:
+            return "Format : add <min> <heure> <jour> <mois> <jourSem> <commande>\nEx: add 0 3 * * * /usr/bin/apt-get update"
+        cron_expr = " ".join(words[:5])
+        command   = " ".join(words[5:])
+        entry     = f"{cron_expr} {command}"
+
+        # Récupère le crontab actuel, ajoute la ligne
+        current = _run("crontab -l 2>/dev/null")
+        if entry in current:
+            return f"Cette entrée existe déjà : {entry}"
+
+        with tempfile.NamedTemporaryFile(mode="w", suffix=".cron", delete=False) as f:
+            if current and "no crontab" not in current.lower():
+                f.write(current + "\n")
+            f.write(entry + "\n")
+            tmpfile = f.name
+
+        out = _run(f"crontab {tmpfile}")
+        os.unlink(tmpfile)
+        return f"Entrée ajoutée : {entry}\n{out}"
+
+    if action == "remove":
+        if not rest:
+            return "Précise le pattern à supprimer."
+        current = _run("crontab -l 2>/dev/null")
+        lines = [l for l in current.splitlines() if rest not in l]
+        new_cron = "\n".join(lines)
+
+        with tempfile.NamedTemporaryFile(mode="w", suffix=".cron", delete=False) as f:
+            f.write(new_cron + "\n")
+            tmpfile = f.name
+
+        out = _run(f"crontab {tmpfile}")
+        os.unlink(tmpfile)
+        removed = len(current.splitlines()) - len(lines)
+        return f"{removed} entrée(s) supprimée(s) contenant '{rest}'.\n{out}"
+
+    if action == "clear":
+        return _run("crontab -r 2>/dev/null && echo 'Crontab effacé'")
+
+    if action == "system-list":
+        # Crons système dans /etc/cron.*
+        out = []
+        for d in ["/etc/cron.d", "/etc/cron.daily", "/etc/cron.weekly", "/etc/cron.monthly"]:
+            files = _run(f"ls {d} 2>/dev/null")
+            if files:
+                out.append(f"{d}:\n{files}")
+        return "\n\n".join(out) or "Aucun cron système trouvé."
+
+    return "Action inconnue. Disponible : list, add, remove, clear, system-list"