mirror of
https://github.com/meta-llama/llama-stack.git
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82 lines
2.7 KiB
Python
82 lines
2.7 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the terms described in the LICENSE file in
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# the root directory of this source tree.
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import argparse
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import shlex
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import yaml
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from llama_toolchain.cli.subcommand import Subcommand
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from llama_toolchain.common.config_dirs import DISTRIBS_BASE_DIR
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class DistributionStart(Subcommand):
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def __init__(self, subparsers: argparse._SubParsersAction):
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super().__init__()
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self.parser = subparsers.add_parser(
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"start",
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prog="llama distribution start",
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description="""start the server for a Llama stack distribution. you should have already installed and configured the distribution""",
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formatter_class=argparse.RawTextHelpFormatter,
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)
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self._add_arguments()
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self.parser.set_defaults(func=self._run_distribution_start_cmd)
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def _add_arguments(self):
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self.parser.add_argument(
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"--name",
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type=str,
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help="Name of the distribution to start",
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required=True,
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)
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self.parser.add_argument(
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"--port",
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type=int,
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help="Port to run the server on. Defaults to 5000",
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default=5000,
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)
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self.parser.add_argument(
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"--disable-ipv6",
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action="store_true",
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help="Disable IPv6 support",
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default=False,
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)
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def _run_distribution_start_cmd(self, args: argparse.Namespace) -> None:
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from llama_toolchain.common.exec import run_command
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from llama_toolchain.distribution.registry import resolve_distribution_spec
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from llama_toolchain.distribution.server import main as distribution_server_init
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config_file = DISTRIBS_BASE_DIR / args.name / "config.yaml"
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if not config_file.exists():
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self.parser.error(
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f"Could not find {config_file}. Please run `llama distribution install` first"
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)
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return
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# we need to find the spec from the name
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with open(config_file, "r") as f:
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config = yaml.safe_load(f)
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dist = resolve_distribution_spec(config["spec"])
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if dist is None:
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raise ValueError(f"Could not find any registered spec `{config['spec']}`")
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conda_env = config["conda_env"]
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python_exe = run_command(shlex.split("which python"))
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# simple check, unfortunate
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if conda_env not in python_exe:
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raise ValueError(
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f"Please re-run start after activating the `{conda_env}` conda environment first"
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)
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distribution_server_init(
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config_file,
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args.port,
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disable_ipv6=args.disable_ipv6,
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)
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