llama_toolchain -> llama_stack

llama_stack/cli/stack/build.py

@@ -0,0 +1,94 @@
+# 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_stack.cli.subcommand import Subcommand
+from llama_stack.core.datatypes import *  # noqa: F403
+from pathlib import Path
+
+import yaml
+
+
+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):
+        self.parser.add_argument(
+            "config",
+            type=str,
+            help="Path to a config file to use for the build. You may find example configs in llama_stack/configs/distributions",
+        )
+
+        self.parser.add_argument(
+            "--name",
+            type=str,
+            help="Name of the llama stack build to override from template config",
+        )
+
+    def _run_stack_build_command_from_build_config(
+        self, build_config: BuildConfig
+    ) -> None:
+        import json
+        import os
+
+        from llama_stack.common.config_dirs import DISTRIBS_BASE_DIR
+        from llama_stack.common.serialize import EnumEncoder
+        from llama_stack.core.package import ApiInput, build_image, ImageType
+        from termcolor import cprint
+
+        # save build.yaml spec for building same distribution again
+        if build_config.image_type == ImageType.docker.value:
+            # docker needs build file to be in the llama-stack repo dir to be able to copy over to the image
+            llama_stack_path = Path(os.path.relpath(__file__)).parent.parent.parent
+            build_dir = (
+                llama_stack_path / "configs/distributions" / build_config.image_type
+            )
+        else:
+            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))
+
+        build_image(build_config, build_file_path)
+
+        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_stack.common.prompt_for_config import prompt_for_config
+        from llama_stack.core.dynamic import instantiate_class_type
+
+        if not args.config:
+            self.parser.error(
+                "No config file specified. Please use `llama stack build /path/to/*-build.yaml`. Example config files can be found in llama_stack/configs/distributions"
+            )
+            return
+
+        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
+            if args.name:
+                build_config.name = args.name
+            self._run_stack_build_command_from_build_config(build_config)