llama-stack-mirror/llama_toolchain/cli/stack/build.py
2024-09-14 14:13:51 -07:00

106 lines
3.7 KiB
Python

# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.
import argparse
from llama_toolchain.cli.subcommand import Subcommand
from llama_toolchain.core.datatypes import * # noqa: F403
import yaml
def parse_api_provider_tuples(
tuples: str, parser: argparse.ArgumentParser
) -> Dict[str, ProviderSpec]:
from llama_toolchain.core.distribution import api_providers
all_providers = api_providers()
deps = {}
for dep in tuples.split(","):
dep = dep.strip()
if not dep:
continue
api_str, provider = dep.split("=")
api = Api(api_str)
provider = provider.strip()
if provider not in all_providers[api]:
parser.error(f"Provider `{provider}` is not available for API `{api}`")
return
deps[api] = all_providers[api][provider]
return deps
class StackBuild(Subcommand):
def __init__(self, subparsers: argparse._SubParsersAction):
super().__init__()
self.parser = subparsers.add_parser(
"build",
prog="llama stack build",
description="Build a Llama stack container",
formatter_class=argparse.RawTextHelpFormatter,
)
self._add_arguments()
self.parser.set_defaults(func=self._run_stack_build_command)
def _add_arguments(self):
from llama_toolchain.core.distribution_registry import (
available_distribution_specs,
)
from llama_toolchain.core.package import ImageType
allowed_ids = [d.distribution_type for d in available_distribution_specs()]
self.parser.add_argument(
"--config",
type=str,
help="Path to a config file to use for the build",
)
def _run_stack_build_command_from_build_config(
self, build_config: BuildConfig
) -> None:
import json
import os
from llama_toolchain.common.config_dirs import DISTRIBS_BASE_DIR
from llama_toolchain.common.serialize import EnumEncoder
from llama_toolchain.core.distribution_registry import resolve_distribution_spec
from llama_toolchain.core.package import ApiInput, build_package, ImageType
from termcolor import cprint
build_package(build_config)
# save build.yaml spec for building same distribution again
build_dir = DISTRIBS_BASE_DIR / build_config.image_type
os.makedirs(build_dir, exist_ok=True)
build_file_path = build_dir / f"{build_config.name}-build.yaml"
with open(build_file_path, "w") as f:
to_write = json.loads(json.dumps(build_config.dict(), cls=EnumEncoder))
f.write(yaml.dump(to_write, sort_keys=False))
cprint(
f"Build spec configuration saved at {str(build_file_path)}",
color="green",
)
def _run_stack_build_command(self, args: argparse.Namespace) -> None:
from llama_toolchain.common.prompt_for_config import prompt_for_config
from llama_toolchain.core.dynamic import instantiate_class_type
if args.config:
with open(args.config, "r") as f:
try:
build_config = BuildConfig(**yaml.safe_load(f))
except Exception as e:
self.parser.error(f"Could not parse config file {args.config}: {e}")
return
self._run_stack_build_command_from_build_config(build_config)
return
build_config = prompt_for_config(BuildConfig, None)
self._run_stack_build_command_from_build_config(build_config)