mirror of
https://github.com/meta-llama/llama-stack.git
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106 lines
3.3 KiB
Python
106 lines
3.3 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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from pathlib import Path
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import pkg_resources
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import yaml
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from llama_toolchain.cli.subcommand import Subcommand
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from llama_toolchain.core.datatypes import * # noqa: F403
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from llama_toolchain.common.config_dirs import BUILDS_BASE_DIR
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class StackRun(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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"run",
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prog="llama stack run",
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description="""start the server for a Llama Stack Distribution. You should have already built (or downloaded) 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_stack_run_cmd)
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def _add_arguments(self):
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from llama_toolchain.core.package import BuildType
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self.parser.add_argument(
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"distribution",
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type=str,
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help="Distribution whose build you want to start",
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)
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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 build you want to start",
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required=True,
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)
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self.parser.add_argument(
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"--type",
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type=str,
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default="conda_env",
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choices=[v.value for v in BuildType],
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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_stack_run_cmd(self, args: argparse.Namespace) -> None:
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from llama_toolchain.common.exec import run_with_pty
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from llama_toolchain.core.package import BuildType
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build_type = BuildType(args.type)
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build_dir = BUILDS_BASE_DIR / args.distribution / build_type.descriptor()
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path = build_dir / f"{args.name}.yaml"
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config_file = Path(path)
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if not config_file.exists():
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self.parser.error(
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f"File {str(config_file)} does not exist. Did you run `llama stack build`?"
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)
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return
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with open(config_file, "r") as f:
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config = PackageConfig(**yaml.safe_load(f))
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if not config.distribution_type:
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raise ValueError("Build config appears to be corrupt.")
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if config.docker_image:
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script = pkg_resources.resource_filename(
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"llama_toolchain",
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"core/start_container.sh",
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)
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run_args = [script, config.docker_image]
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else:
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script = pkg_resources.resource_filename(
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"llama_toolchain",
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"core/start_conda_env.sh",
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)
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run_args = [
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script,
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config.conda_env,
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]
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run_args.extend([str(config_file), str(args.port)])
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if args.disable_ipv6:
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run_args.append("--disable-ipv6")
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run_with_pty(run_args)
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