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8b02e7c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 | """Orchestrator registry and management."""
import asyncio
import os
import re
import shutil
import subprocess
from typing import Any
from pathlib import Path
from .config import OrchestratorConfig
class OrchestratorRegistry:
"""Registry for managing available orchestrators/CLIs."""
def __init__(self):
self.orchestrators: dict[str, OrchestratorConfig] = {}
self._active_sessions: dict[str, asyncio.subprocess.Process] = {}
def register(self, config: OrchestratorConfig) -> None:
"""Register an orchestrator."""
self.orchestrators[config.name] = config
def unregister(self, name: str) -> None:
"""Unregister an orchestrator."""
self.orchestrators.pop(name, None)
def get(self, name: str) -> OrchestratorConfig | None:
"""Get orchestrator configuration."""
return self.orchestrators.get(name)
def list_enabled(self) -> list[str]:
"""List all enabled orchestrators."""
return [name for name, config in self.orchestrators.items() if config.enabled]
@staticmethod
def _resolve_command(cmd: list[str]) -> list[str]:
"""
Resolve command to full path on Windows.
On Windows, asyncio.create_subprocess_exec() doesn't reliably search PATH,
so we need to resolve commands to their full paths using shutil.which().
Args:
cmd: Command list
Returns:
Resolved command (full path on Windows, original on Unix)
"""
if os.name != "nt" or not cmd:
# On Unix systems, PATH search works fine
return cmd
# On Windows, resolve the executable path
resolved = shutil.which(cmd[0])
if resolved:
return [resolved] + cmd[1:]
return cmd
async def execute(
self,
orchestrator_name: str,
task: str,
timeout: int | None = None,
progress_callback: Any = None,
) -> tuple[str, str, int]:
"""
Execute a task using specified orchestrator.
Args:
orchestrator_name: Name of orchestrator to use
task: Task description/query
timeout: Optional timeout in seconds
progress_callback: Optional async callback(line: str) for stdout streaming
Returns:
tuple: (stdout, stderr, return_code)
"""
config = self.get(orchestrator_name)
if not config:
raise ValueError(f"Orchestrator '{orchestrator_name}' not found")
if not config.enabled:
raise ValueError(f"Orchestrator '{orchestrator_name}' is disabled")
# Build command
if isinstance(config.command, list):
cmd = config.command + config.args + [task]
else:
cmd = [config.command] + config.args + [task]
# Resolve command path on Windows
resolved_cmd = self._resolve_command(cmd)
# Execute with timeout
timeout_seconds = timeout or config.timeout
process = None
# Build safe environment with allowlist approach
# Only include essential environment variables
allowed_env_vars = [
'PATH', 'HOME', 'USER', 'LANG', 'LC_ALL', 'TERM',
'PYTHONPATH', 'NODE_PATH', 'OPENROUTER_API_KEY',
'ANTHROPIC_API_KEY', 'OPENAI_API_KEY', 'GOOGLE_API_KEY',
'TMPDIR', 'TEMP', 'TMP', 'USERPROFILE', 'SYSTEMROOT',
]
safe_env = {}
for key in allowed_env_vars:
if key in os.environ:
safe_env[key] = os.environ[key]
# Add config-specified env vars with validation
for key, value in config.env.items():
# Validate env var name (alphanumeric and underscore only)
if not re.match(r'^[A-Z_][A-Z0-9_]*$', key):
import logging
logging.getLogger(__name__).warning(
f"Skipping invalid environment variable name: {key}"
)
continue
safe_env[key] = value
stdout_chunks = []
stderr_chunks = []
async def _read_stream(stream, is_stderr: bool):
while True:
line = await stream.readline()
if not line:
break
text = line.decode("utf-8", errors="replace")
if is_stderr:
stderr_chunks.append(text)
else:
stdout_chunks.append(text)
if on_output:
try:
await on_output(text, is_stderr)
except Exception:
pass # Ignore callback errors
try:
process = await asyncio.create_subprocess_exec(
*resolved_cmd,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE,
env=safe_env,
)
stdout_chunks = []
stderr_chunks = []
async def read_stream(stream, chunks, callback=None):
while True:
line = await stream.readline()
if not line:
break
decoded_line = line.decode("utf-8", errors="replace")
chunks.append(decoded_line)
if callback:
try:
if asyncio.iscoroutinefunction(callback):
await callback(decoded_line.strip())
else:
callback(decoded_line.strip())
except Exception:
pass # Ignore callback errors to prevent crashing execution
# Create tasks for reading stdout and stderr
stdout_task = asyncio.create_task(
read_stream(process.stdout, stdout_chunks, progress_callback)
)
stderr_task = asyncio.create_task(
read_stream(process.stderr, stderr_chunks)
)
# Wait for everything to finish or timeout
try:
# We wait for the process AND the stream readers
# This ensures we don't timeout if the process is done but streams are still being read
# and conversely, we DO timeout if streams are blocked even if process is done (unlikely but possible)
# or if process is hanging.
await asyncio.wait_for(
asyncio.gather(process.wait(), stdout_task, stderr_task),
timeout=timeout_seconds
)
except asyncio.TimeoutError:
# Timeout occurred - clean up everything
if process:
try:
process.kill()
except ProcessLookupError:
pass
# Cancel stream readers
stdout_task.cancel()
stderr_task.cancel()
# Wait for cancellation to complete
try:
await asyncio.gather(stdout_task, stderr_task, return_exceptions=True)
except Exception:
pass
raise TimeoutError(
f"Orchestrator '{orchestrator_name}' timed out after {timeout_seconds}s"
)
return (
"".join(stdout_chunks),
"".join(stderr_chunks),
process.returncode or 0,
)
except Exception as e:
if process and process.returncode is None:
try:
process.kill()
await process.wait()
except ProcessLookupError:
pass
if isinstance(e, (TimeoutError, RuntimeError)):
raise e
raise RuntimeError(
f"Orchestrator '{orchestrator_name}' failed: {str(e)}"
) from e
def validate_all(self) -> dict[str, bool]:
"""
Validate all registered orchestrators are available.
Returns:
dict: {orchestrator_name: is_available}
"""
results = {}
for name, config in self.orchestrators.items():
cmd = config.command if isinstance(config.command, str) else config.command[0]
try:
subprocess.run(
["which", cmd] if subprocess.os.name != "nt" else ["where", cmd],
capture_output=True,
check=True,
)
results[name] = True
except subprocess.CalledProcessError:
results[name] = False
return results
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