llama distribution -> llama stack + containers (WIP)

llama_toolchain/cli/stack/create.py

@@ -0,0 +1,43 @@
+# 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
+
+
+class StackCreate(Subcommand):
+    def __init__(self, subparsers: argparse._SubParsersAction):
+        super().__init__()
+        self.parser = subparsers.add_parser(
+            "create",
+            prog="llama distribution create",
+            description="create a Llama stack distribution",
+            formatter_class=argparse.RawTextHelpFormatter,
+        )
+        self._add_arguments()
+        self.parser.set_defaults(func=self._run_distribution_create_cmd)
+
+    def _add_arguments(self):
+        self.parser.add_argument(
+            "--name",
+            type=str,
+            help="Name of the distribution to create",
+            required=True,
+        )
+        # for each Api the user wants to support, we should
+        # get the list of available providers, ask which one the user
+        # wants to pick and then ask for their configuration.
+
+    def _run_distribution_create_cmd(self, args: argparse.Namespace) -> None:
+        from llama_toolchain.distribution.registry import resolve_distribution_spec
+
+        dist = resolve_distribution_spec(args.name)
+        if dist is not None:
+            self.parser.error(f"Stack with name {args.name} already exists")
+            return
+
+        raise NotImplementedError()