【FastDeploy CLI】collect-env subcommand (#4044)

* collect-env subcommand

* trigger ci

---------

Co-authored-by: K11OntheBoat <your_email@example.com>

fastdeploy/entrypoints/cli/collect_env.py

@@ -0,0 +1,51 @@
+"""
+# Copyright (c) 2025  PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""
+
+# This file is modified from https://github.com/vllm-project/vllm/entrypoints/cli/collect_env.py
+
+from __future__ import annotations
+
+import argparse
+import typing
+
+from fastdeploy.collect_env import main as collect_env_main
+from fastdeploy.entrypoints.cli.types import CLISubcommand
+
+if typing.TYPE_CHECKING:
+    from fastdeploy.utils import FlexibleArgumentParser
+
+
+class CollectEnvSubcommand(CLISubcommand):
+    """The `collect-env` subcommand for the FastDeploy CLI."""
+
+    name = "collect-env"
+
+    @staticmethod
+    def cmd(args: argparse.Namespace) -> None:
+        """Collect information about the environment."""
+        collect_env_main()
+
+    def subparser_init(self, subparsers: argparse._SubParsersAction) -> FlexibleArgumentParser:
+        return subparsers.add_parser(
+            "collect-env",
+            help="Start collecting environment information.",
+            description="Start collecting environment information.",
+            usage="vllm collect-env",
+        )
+
+
+def cmd_init() -> list[CLISubcommand]:
+    return [CollectEnvSubcommand()]