95 lines
4.5 KiB
Python
95 lines
4.5 KiB
Python
"""Render only credential-ready routes; credentials remain environment references."""
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import os
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import json
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from pathlib import Path
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import yaml
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def oauth_ready(path):
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try:
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record = json.loads(path.read_text())
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return isinstance(record, dict) and bool(record.get('access_token'))
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except (OSError, ValueError):
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return False
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def build_config(catalog, env, exists):
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routes = []
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fallbacks = []
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def add(alias, model, key=None, **params):
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if key:
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params['api_key'] = 'os.environ/' + key
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routes.append({'model_name': alias, 'litellm_params': {'model': model, **params}})
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for key, suffix in [('ZENMUX_SUBSCRIPTION_API_KEY', ''), ('ZENMUX_PAYG_API_KEY', '-payg')]:
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if env.get(key):
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for alias, model in catalog['zenmux'].items():
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# Strip only the LiteLLM provider prefix, retaining ZenMux's vendor prefix.
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add(alias + suffix, 'anthropic/' + model, key,
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api_base='https://zenmux.ai/api/anthropic')
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if env.get('ZENMUX_SUBSCRIPTION_API_KEY'):
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for alias, model in catalog.get('zenmux_chat', {}).items():
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add(alias, 'openai/' + model, 'ZENMUX_SUBSCRIPTION_API_KEY',
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api_base='https://zenmux.ai/api/v1')
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if env.get('OPENROUTER_API_KEY'):
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for alias, model in catalog['openrouter'].items():
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primary = catalog.get('zenmux_open_models', {}).get(alias)
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if primary and env.get('ZENMUX_SUBSCRIPTION_API_KEY'):
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if primary != model:
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raise ValueError('Cross-provider model mismatch: ' + alias)
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add(alias, 'openai/' + primary, 'ZENMUX_SUBSCRIPTION_API_KEY',
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api_base='https://zenmux.ai/api/v1', max_retries=0)
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routes[-1]['model_info'] = {'cooldown_time': 60,
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'allowed_fails_policy': {'RateLimitErrorAllowedFails': 0,
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'AuthenticationErrorAllowedFails': 0,
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'InternalServerErrorAllowedFails': 0,
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'ServiceUnavailableErrorAllowedFails': 0,
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'TimeoutErrorAllowedFails': 0}}
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add(alias + '-openrouter', 'openrouter/' + model, 'OPENROUTER_API_KEY')
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fallbacks.append({alias: [alias + '-openrouter']})
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else:
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add(alias, 'openrouter/' + model, 'OPENROUTER_API_KEY')
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elif env.get('ZENMUX_SUBSCRIPTION_API_KEY'):
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for alias, model in catalog.get('zenmux_open_models', {}).items():
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add(alias, 'openai/' + model, 'ZENMUX_SUBSCRIPTION_API_KEY',
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api_base='https://zenmux.ai/api/v1', max_retries=0)
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if env.get('GOOGLE_AI_STUDIO_API_KEY'):
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for alias, model in catalog['google_ai_studio'].items():
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add(alias, 'gemini/' + model, 'GOOGLE_AI_STUDIO_API_KEY')
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if env.get('VERTEXAI_ENABLED', '').lower() == 'true' and env.get('VERTEXAI_PROJECT'):
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for alias, model in catalog.get('google_vertex', {}).items():
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add(alias, 'vertex_ai/' + model,
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vertex_project='os.environ/VERTEXAI_PROJECT',
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vertex_location='os.environ/VERTEXAI_LOCATION')
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for provider, token_var, default_dir in [
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('chatgpt', 'CHATGPT_TOKEN_DIR', '/tokens/chatgpt'),
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('xai', 'XAI_OAUTH_TOKEN_DIR', '/tokens/xai'),
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]:
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if exists(Path(env.get(token_var, default_dir)) / 'auth.json'):
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for alias, model in catalog[provider].items():
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extra = {'use_xai_oauth': True} if provider == 'xai' else {}
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add(alias, provider + '/' + model, **extra)
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return {
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'model_list': routes,
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'general_settings': {
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'master_key': 'os.environ/LITELLM_MASTER_KEY',
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'database_url': 'os.environ/DATABASE_URL',
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'store_model_in_db': False,
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'disable_env_credential_login': True,
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},
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'litellm_settings': {'drop_params': False, 'set_verbose': False},
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# Only explicitly approved open-model routes have cross-provider fallbacks.
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'router_settings': {'num_retries': 1, 'timeout': 180, 'fallbacks': fallbacks},
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}
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if __name__ == '__main__':
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catalog = yaml.safe_load(Path('/etc/litellm/models.yaml').read_text())
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config = build_config(catalog, os.environ, oauth_ready)
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output = Path('/tmp/litellm.yaml')
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output.write_text(yaml.safe_dump(config, allow_unicode=True, sort_keys=False))
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output.chmod(0o600)
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print('Configured routes:', ', '.join(route['model_name'] for route in config['model_list']))
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