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get tokenizer from .env

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This commit is contained in:
Shannon Sands 2026-02-03 14:50:37 +10:00
parent b5b1fef20a
commit 30221d8c20
8 changed files with 97 additions and 6 deletions
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1
.env.example
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@ -25,6 +25,7 @@ HERMES_BACKEND=openai
# llama.cpp example (see `Hermes-Agent/scripts/launch_llama_cpp_hermes_4_36b.sh`):
# ATROPOS_SERVER_BASE_URL=http://127.0.0.1:8080
# ATROPOS_SERVER_MODEL=hermes-4-36b
# ATROPOS_TOKENIZER_NAME=NousResearch/Hermes-4.3-36B
# ATROPOS_SERVER_API_KEY=local
#
# Generic OpenAI-compatible (base URL should include /v1):

1
atropos/envs/agent_env.py
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@ -23,6 +23,7 @@ from ..slots import SlotPool, SlotPoolConfig
from ..tools import ToolRegistry, build_tool_registry
from ..tools.tool_executor import ToolExecutor, ToolExecutorConfig
# Main BaseEnv child classes. Child class THESE to get agent+tooling functionality easily.
class AgentEnvConfig(BaseEnvConfig):
tool_pool_mode: str = Field(default="nomad", description="Tool execution backend (only 'nomad' is supported)")

3
atropos/envs/hermes_compat_test_env.py
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@ -55,6 +55,7 @@ class HermesCompatTestEnvConfig(AgentEnvConfig):
description="Base URL for an OpenAI-compatible chat server (without /v1).",
)
server_model: str = Field(default="hermes-4-36b", description="Model name")
tokenizer_name: str = Field(default="NousResearch/Hermes-4.3-36B", description="Tokenizer name for RL tokenization")
class HermesCompatTestEnv(AgentEnv[HermesCompatTestEnvConfig]):
@ -83,7 +84,7 @@ class HermesCompatTestEnv(AgentEnv[HermesCompatTestEnvConfig]):
api_key = os.getenv("ATROPOS_SERVER_API_KEY") or os.getenv("OPENAI_API_KEY") or "local"
env_config = HermesCompatTestEnvConfig(
tokenizer_name="Qwen/Qwen2.5-1.5B-Instruct", # tokenization only
tokenizer_name=os.getenv("ATROPOS_TOKENIZER_NAME") or "NousResearch/Hermes-4.3-36B",
group_size=1,
use_wandb=False,
include_messages=True,

3
atropos/envs/sandbox_terminal_smoke_env.py
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@ -56,6 +56,7 @@ class SandboxTerminalSmokeEnvConfig(AgentEnvConfig):
description="Base URL for an OpenAI-compatible chat server (without /v1).",
)
server_model: str = Field(default="hermes-4-36b", description="Model name")
tokenizer_name: str = Field(default="NousResearch/Hermes-4.3-36B", description="Tokenizer name for RL tokenization")
class SandboxTerminalSmokeEnv(AgentEnv[SandboxTerminalSmokeEnvConfig]):
@ -84,7 +85,7 @@ class SandboxTerminalSmokeEnv(AgentEnv[SandboxTerminalSmokeEnvConfig]):
api_key = os.getenv("ATROPOS_SERVER_API_KEY") or os.getenv("OPENAI_API_KEY") or "local"
env_config = SandboxTerminalSmokeEnvConfig(
tokenizer_name="Qwen/Qwen2.5-1.5B-Instruct", # tokenization only
tokenizer_name=os.getenv("ATROPOS_TOKENIZER_NAME") or "NousResearch/Hermes-4.3-36B",
group_size=1,
use_wandb=False,
include_messages=True,

5
atropos/envs/swe_smith_oracle_env.py
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@ -41,6 +41,9 @@ class SweSmithOracleEnvConfig(AgentEnvConfig):
install_timeout_s: float = Field(default=600.0)
test_timeout_s: float = Field(default=600.0)
# Tokenization: should match the model used for training.
tokenizer_name: str = Field(default="NousResearch/Hermes-4.3-36B", description="Tokenizer name for RL tokenization")
class SweSmithOracleEnv(AgentEnv[SweSmithOracleEnvConfig]):
"""
@ -78,7 +81,7 @@ class SweSmithOracleEnv(AgentEnv[SweSmithOracleEnvConfig]):
api_key = os.getenv("ATROPOS_SERVER_API_KEY") or os.getenv("OPENAI_API_KEY") or "local"
env_config = SweSmithOracleEnvConfig(
tokenizer_name="Qwen/Qwen2.5-1.5B-Instruct", # tokenization only
tokenizer_name=os.getenv("ATROPOS_TOKENIZER_NAME") or "NousResearch/Hermes-4.3-36B",
group_size=1,
use_wandb=False,
rollout_server_url="http://localhost:8000",

3
atropos/envs/test_env.py
View file

@ -68,6 +68,7 @@ class SimpleTestEnvConfig(AgentEnvConfig):
default="hermes-4-36b",
description="Model name",
)
tokenizer_name: str = Field(default="NousResearch/Hermes-4.3-36B", description="Tokenizer name for RL tokenization")
class SimpleTestEnv(AgentEnv[SimpleTestEnvConfig]):
@ -108,7 +109,7 @@ class SimpleTestEnv(AgentEnv[SimpleTestEnvConfig]):
api_key = os.getenv("ATROPOS_SERVER_API_KEY") or os.getenv("OPENAI_API_KEY") or "local"
env_config = SimpleTestEnvConfig(
tokenizer_name="Qwen/Qwen2.5-1.5B-Instruct", # For tokenization only
tokenizer_name=os.getenv("ATROPOS_TOKENIZER_NAME") or "NousResearch/Hermes-4.3-36B",
group_size=4,
use_wandb=False, # Disable wandb for simple testing
rollout_server_url="http://localhost:8000",

3
atropos/envs/toolserver_smoke_env.py
View file

@ -34,6 +34,7 @@ class ToolServerSmokeEnvConfig(AgentEnvConfig):
description="Base URL for an OpenAI-compatible chat server (without /v1).",
)
server_model: str = Field(default="hermes-4-36b", description="Model name")
tokenizer_name: str = Field(default="NousResearch/Hermes-4.3-36B", description="Tokenizer name for RL tokenization")
class ToolServerSmokeEnv(AgentEnv[ToolServerSmokeEnvConfig]):
@ -62,7 +63,7 @@ class ToolServerSmokeEnv(AgentEnv[ToolServerSmokeEnvConfig]):
api_key = os.getenv("ATROPOS_SERVER_API_KEY") or os.getenv("OPENAI_API_KEY") or "local"
env_config = ToolServerSmokeEnvConfig(
tokenizer_name="Qwen/Qwen2.5-1.5B-Instruct", # tokenization only
tokenizer_name=os.getenv("ATROPOS_TOKENIZER_NAME") or "NousResearch/Hermes-4.3-36B",
group_size=1,
use_wandb=False,
include_messages=True,

84
atropos/slots/pool.py
View file

@ -10,7 +10,10 @@ The SlotPool is the core abstraction for slot-based multiplexing:
import asyncio
import logging
import os
import subprocess
from dataclasses import dataclass, field
from pathlib import Path
from typing import Any, Dict, List, Optional, Tuple
from ..nomad.client import (
@ -53,6 +56,11 @@ class SlotPoolConfig:
# Job lifecycle
purge_job_on_start: bool = False # Purge any pre-existing job before starting (local dev/training friendly)
# Local Docker image convenience (macOS/Nomad dev mode)
auto_build_local_image: bool = True # If image endswith :local and is missing, build it from the bundled Dockerfile.
dockerfile_path: Optional[str] = None # Override Dockerfile path (default: Hermes-Agent/atropos/Dockerfile).
docker_build_context: Optional[str] = None # Override build context (default: Hermes-Agent/atropos).
class SlotPool:
"""
@ -108,7 +116,77 @@ class SlotPool:
self._health_task: Optional[asyncio.Task] = None
self._scale_task: Optional[asyncio.Task] = None
self._last_scale_time = 0.0
def _default_dockerfile_path(self) -> Path:
# Hermes-Agent/atropos/Dockerfile lives next to this module in source checkouts.
return Path(__file__).resolve().parents[1] / "Dockerfile"
def _default_build_context(self) -> Path:
return Path(__file__).resolve().parents[1]
def _docker_image_exists(self, image: str) -> bool:
try:
proc = subprocess.run(
["docker", "image", "inspect", image],
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
check=False,
env={**os.environ, "DOCKER_CLI_HINTS": "false"},
)
return proc.returncode == 0
except FileNotFoundError:
return False
def _try_build_local_image(self, image: str) -> None:
dockerfile = Path(self.config.dockerfile_path) if self.config.dockerfile_path else self._default_dockerfile_path()
context = Path(self.config.docker_build_context) if self.config.docker_build_context else self._default_build_context()
if not dockerfile.exists():
raise RuntimeError(
f"Sandbox Dockerfile not found at {dockerfile}. "
"Build the sandbox image manually or set --env.purge_job_on_start false and provide a non-local image."
)
if not context.exists():
raise RuntimeError(f"Docker build context not found at {context}")
# Prefer buildx+--load to ensure the image ends up in the local daemon (required by Nomad's docker driver).
buildx_cmd = [
"docker",
"buildx",
"build",
"--load",
"-t",
image,
"-f",
str(dockerfile),
str(context),
]
proc = subprocess.run(buildx_cmd, check=False, env={**os.environ, "DOCKER_CLI_HINTS": "false"})
if proc.returncode == 0:
return
# Fallback to classic docker build if buildx isn't available.
build_cmd = ["docker", "build", "-t", image, "-f", str(dockerfile), str(context)]
proc2 = subprocess.run(build_cmd, check=False, env={**os.environ, "DOCKER_CLI_HINTS": "false"})
if proc2.returncode != 0:
raise RuntimeError(
f"Failed to build local sandbox image {image}. "
f"Tried: {' '.join(buildx_cmd)} and {' '.join(build_cmd)}"
)
def _ensure_local_image(self) -> None:
image = (self.config.image or "").strip()
if not image.endswith(":local"):
return
if not self.config.auto_build_local_image:
return
if self._docker_image_exists(image):
return
logger.info(f"Local sandbox image {image} not found; building it now...")
self._try_build_local_image(image)
def _slot_key(self, alloc_id: str, slot_id: str) -> str:
"""Generate unique key for a slot."""
return f"{alloc_id}:{slot_id}"
@ -143,6 +221,10 @@ class SlotPool:
logger.info(f"Starting SlotPool (job_id={self.config.job_id})")
try:
# Make sure local sandbox images exist before Nomad tries to pull them.
# This is a common footgun in macOS dev mode with :local tags.
self._ensure_local_image()
# Check Nomad health
if not await self.nomad.is_healthy():
raise RuntimeError(f"Nomad is not reachable at {self.config.nomad_address}")