alt-glitch
bead55bbcb
Eliminates ~50 lines of duplicated pipe+thread+poll boilerplate between _ModalProcessHandle and _DaytonaProcessHandle. Both now use closures passed to the shared _ThreadedProcessHandle in base.py. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
243 lines
9.6 KiB
Python
243 lines
9.6 KiB
Python
"""Daytona cloud execution environment.
|
|
|
|
Uses the Daytona Python SDK to run commands in cloud sandboxes.
|
|
Supports persistent sandboxes: when enabled, sandboxes are stopped on cleanup
|
|
and resumed on next creation, preserving the filesystem across sessions.
|
|
"""
|
|
|
|
import logging
|
|
import math
|
|
import shlex
|
|
import threading
|
|
import warnings
|
|
from pathlib import Path
|
|
from typing import Dict, Optional
|
|
|
|
from tools.environments.base import BaseEnvironment
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class DaytonaEnvironment(BaseEnvironment):
|
|
"""Daytona cloud sandbox execution backend.
|
|
|
|
Uses stopped/started sandbox lifecycle for filesystem persistence
|
|
instead of snapshots, making it faster and stateless on the host.
|
|
"""
|
|
|
|
_snapshot_timeout = 60 # Daytona sandbox startup can be slow
|
|
|
|
def __init__(
|
|
self,
|
|
image: str,
|
|
cwd: str = "/home/daytona",
|
|
timeout: int = 60,
|
|
cpu: int = 1,
|
|
memory: int = 5120, # MB (hermes convention)
|
|
disk: int = 10240, # MB (Daytona platform max is 10GB)
|
|
persistent_filesystem: bool = True,
|
|
task_id: str = "default",
|
|
):
|
|
self._requested_cwd = cwd
|
|
super().__init__(cwd=cwd, timeout=timeout)
|
|
|
|
from daytona import (
|
|
Daytona,
|
|
CreateSandboxFromImageParams,
|
|
DaytonaError,
|
|
Resources,
|
|
SandboxState,
|
|
)
|
|
|
|
self._persistent = persistent_filesystem
|
|
self._task_id = task_id
|
|
self._SandboxState = SandboxState
|
|
self._daytona = Daytona()
|
|
self._sandbox = None
|
|
self._lock = threading.Lock()
|
|
|
|
memory_gib = max(1, math.ceil(memory / 1024))
|
|
disk_gib = max(1, math.ceil(disk / 1024))
|
|
if disk_gib > 10:
|
|
warnings.warn(
|
|
f"Daytona: requested disk ({disk_gib}GB) exceeds platform limit (10GB). "
|
|
f"Capping to 10GB. Set container_disk: 10240 in config to silence this.",
|
|
stacklevel=2,
|
|
)
|
|
disk_gib = 10
|
|
resources = Resources(cpu=cpu, memory=memory_gib, disk=disk_gib)
|
|
|
|
labels = {"hermes_task_id": task_id}
|
|
sandbox_name = f"hermes-{task_id}"
|
|
|
|
# Try to resume an existing sandbox for this task
|
|
if self._persistent:
|
|
# 1. Try name-based lookup (new path)
|
|
try:
|
|
self._sandbox = self._daytona.get(sandbox_name)
|
|
self._sandbox.start()
|
|
logger.info("Daytona: resumed sandbox %s for task %s",
|
|
self._sandbox.id, task_id)
|
|
except DaytonaError:
|
|
self._sandbox = None
|
|
except Exception as e:
|
|
logger.warning("Daytona: failed to resume sandbox for task %s: %s",
|
|
task_id, e)
|
|
self._sandbox = None
|
|
|
|
# 2. Legacy fallback: find sandbox created before the naming migration
|
|
if self._sandbox is None:
|
|
try:
|
|
page = self._daytona.list(labels=labels, page=1, limit=1)
|
|
if page.items:
|
|
self._sandbox = page.items[0]
|
|
self._sandbox.start()
|
|
logger.info("Daytona: resumed legacy sandbox %s for task %s",
|
|
self._sandbox.id, task_id)
|
|
except Exception as e:
|
|
logger.debug("Daytona: no legacy sandbox found for task %s: %s",
|
|
task_id, e)
|
|
self._sandbox = None
|
|
|
|
# Create a fresh sandbox if we don't have one
|
|
if self._sandbox is None:
|
|
self._sandbox = self._daytona.create(
|
|
CreateSandboxFromImageParams(
|
|
image=image,
|
|
name=sandbox_name,
|
|
labels=labels,
|
|
auto_stop_interval=0,
|
|
resources=resources,
|
|
)
|
|
)
|
|
logger.info("Daytona: created sandbox %s for task %s",
|
|
self._sandbox.id, task_id)
|
|
|
|
# Detect remote home dir first so mounts go to the right place.
|
|
self._remote_home = "/root"
|
|
try:
|
|
home = self._sandbox.process.exec("echo $HOME").result.strip()
|
|
if home:
|
|
self._remote_home = home
|
|
if self._requested_cwd in ("~", "/home/daytona"):
|
|
self.cwd = home
|
|
except Exception:
|
|
pass
|
|
logger.info("Daytona: resolved home to %s, cwd to %s", self._remote_home, self.cwd)
|
|
|
|
# Track synced files to avoid redundant uploads.
|
|
# Key: remote_path, Value: (mtime, size)
|
|
self._synced_files: Dict[str, tuple] = {}
|
|
|
|
# Upload credential files and skills directory into the sandbox.
|
|
self._sync_skills_and_credentials()
|
|
|
|
# Capture login-shell environment into a snapshot for the unified model
|
|
self.init_session()
|
|
|
|
# ------------------------------------------------------------------
|
|
# File sync
|
|
# ------------------------------------------------------------------
|
|
|
|
def _upload_if_changed(self, host_path: str, remote_path: str) -> bool:
|
|
"""Upload a file if its mtime/size changed since last sync."""
|
|
hp = Path(host_path)
|
|
try:
|
|
stat = hp.stat()
|
|
file_key = (stat.st_mtime, stat.st_size)
|
|
except OSError:
|
|
return False
|
|
if self._synced_files.get(remote_path) == file_key:
|
|
return False
|
|
try:
|
|
parent = str(Path(remote_path).parent)
|
|
self._sandbox.process.exec(f"mkdir -p {parent}")
|
|
self._sandbox.fs.upload_file(host_path, remote_path)
|
|
self._synced_files[remote_path] = file_key
|
|
return True
|
|
except Exception as e:
|
|
logger.debug("Daytona: upload failed %s: %s", host_path, e)
|
|
return False
|
|
|
|
def _sync_skills_and_credentials(self) -> None:
|
|
"""Upload changed credential files and skill files into the sandbox."""
|
|
container_base = f"{self._remote_home}/.hermes"
|
|
try:
|
|
from tools.credential_files import get_credential_file_mounts, iter_skills_files
|
|
|
|
for mount_entry in get_credential_file_mounts():
|
|
remote_path = mount_entry["container_path"].replace("/root/.hermes", container_base, 1)
|
|
if self._upload_if_changed(mount_entry["host_path"], remote_path):
|
|
logger.debug("Daytona: synced credential %s", remote_path)
|
|
|
|
for entry in iter_skills_files(container_base=container_base):
|
|
if self._upload_if_changed(entry["host_path"], entry["container_path"]):
|
|
logger.debug("Daytona: synced skill %s", entry["container_path"])
|
|
except Exception as e:
|
|
logger.debug("Daytona: could not sync skills/credentials: %s", e)
|
|
|
|
def _ensure_sandbox_ready(self):
|
|
"""Restart sandbox if it was stopped (e.g., by a previous interrupt)."""
|
|
self._sandbox.refresh_data()
|
|
if self._sandbox.state in (self._SandboxState.STOPPED, self._SandboxState.ARCHIVED):
|
|
self._sandbox.start()
|
|
logger.info("Daytona: restarted sandbox %s", self._sandbox.id)
|
|
|
|
# ------------------------------------------------------------------
|
|
# Unified execution hooks
|
|
# ------------------------------------------------------------------
|
|
|
|
def _before_execute(self) -> None:
|
|
"""Ensure sandbox is ready and sync credentials before each command."""
|
|
with self._lock:
|
|
self._ensure_sandbox_ready()
|
|
self._sync_skills_and_credentials()
|
|
|
|
def _run_bash(self, cmd_string: str, *, timeout: int | None = None,
|
|
stdin_data: str | None = None):
|
|
"""Spawn ``bash -c <cmd_string>`` inside the Daytona sandbox."""
|
|
effective_timeout = timeout or self.timeout
|
|
if stdin_data is not None:
|
|
cmd_string = self._embed_stdin_heredoc(cmd_string, stdin_data)
|
|
return self._daytona_exec(cmd_string, effective_timeout, login=False)
|
|
|
|
def _run_bash_login(self, cmd_string: str, *,
|
|
timeout: int | None = None):
|
|
"""Spawn ``bash -l -c <cmd_string>`` for snapshot creation."""
|
|
effective_timeout = timeout or self._snapshot_timeout
|
|
return self._daytona_exec(cmd_string, effective_timeout, login=True)
|
|
|
|
def _daytona_exec(self, cmd_string: str, timeout: int, login: bool):
|
|
"""Create a _ThreadedProcessHandle wrapping Daytona's blocking exec."""
|
|
from tools.environments.base import _ThreadedProcessHandle
|
|
sandbox = self._sandbox
|
|
|
|
shell_flag = "-l -c" if login else "-c"
|
|
timed_cmd = f"timeout {timeout} bash {shell_flag} {shlex.quote(cmd_string)}"
|
|
|
|
def exec_fn():
|
|
response = sandbox.process.exec(timed_cmd)
|
|
return response.result or "", response.exit_code
|
|
|
|
return _ThreadedProcessHandle(exec_fn)
|
|
|
|
# ------------------------------------------------------------------
|
|
# Lifecycle
|
|
# ------------------------------------------------------------------
|
|
|
|
def cleanup(self):
|
|
with self._lock:
|
|
if self._sandbox is None:
|
|
return
|
|
try:
|
|
if self._persistent:
|
|
self._sandbox.stop()
|
|
logger.info("Daytona: stopped sandbox %s (filesystem preserved)",
|
|
self._sandbox.id)
|
|
else:
|
|
self._daytona.delete(self._sandbox)
|
|
logger.info("Daytona: deleted sandbox %s", self._sandbox.id)
|
|
except Exception as e:
|
|
logger.warning("Daytona: cleanup failed: %s", e)
|
|
self._sandbox = None
|