feat: update CLI to support controlling extra_mounts parameter

src/ai/backend/client/cli/service.py

@@ -7,7 +7,11 @@
 
 from ai.backend.cli.main import main
 from ai.backend.cli.types import ExitCode
-from ai.backend.client.cli.session.execute import prepare_env_arg, prepare_resource_arg
+from ai.backend.client.cli.session.execute import (
+    prepare_env_arg,
+    prepare_mount_arg,
+    prepare_resource_arg,
+)
 from ai.backend.client.compat import asyncio_run
 from ai.backend.client.session import AsyncSession, Session
 from ai.backend.common.arch import DEFAULT_IMAGE_ARCH
@@ -137,6 +141,24 @@ def info(ctx: CLIContext, service_name_or_id: str):
     multiple=True,
     help="Environment variable (may appear multiple times)",
 )
+@click.option(
+    "-v",
+    "--volume",
+    "-m",
+    "--mount",
+    "mount",
+    metavar="NAME[=PATH] or NAME[:PATH]",
+    type=str,
+    multiple=True,
+    help=(
+        "Name or ID of virtual folders to mount."
+        "If path is not provided, virtual folder will be mounted under /home/work. "
+        "When the target path is relative, it is placed under /home/work "
+        "with auto-created parent directories if any. "
+        "Absolute paths are mounted as-is, but it is prohibited to "
+        "override the predefined Linux system directories."
+    ),
+)
 # extra options
 @click.option(
     "--bootstrap-script",
@@ -244,6 +266,7 @@ def create(
     model_version: Optional[str],
     model_mount_destination: Optional[str],
     env: Sequence[str],
+    mount: Sequence[str],
     startup_command: Optional[str],
     resources: Sequence[str],
     resource_opts: Sequence[str],
@@ -266,12 +289,16 @@ def create(
 
     """
     envs = prepare_env_arg(env)
+    mount, mount_map, mount_options = prepare_mount_arg(mount, escape=True)
     parsed_resources = prepare_resource_arg(resources)
     parsed_resource_opts = prepare_resource_arg(resource_opts)
     body = {
         "service_name": name,
         "model_version": model_version,
         "envs": envs,
+        "extra_mounts": mount,
+        "extra_mount_map": mount_map,
+        "extra_mount_options": mount_options,
         "startup_command": startup_command,
         "resources": parsed_resources,
         "resource_opts": parsed_resource_opts,

src/ai/backend/client/func/service.py

@@ -4,6 +4,7 @@
 
 from faker import Faker
 
+from ai.backend.client.exceptions import BackendClientError
 from ai.backend.client.output.fields import service_fields
 from ai.backend.client.output.types import FieldSpec, PaginatedResult
 from ai.backend.client.pagination import fetch_paginated_result
@@ -90,6 +91,9 @@ async def create(
         model_id_or_name: str,
         initial_session_count: int,
         *,
+        extra_mounts: Sequence[str] = [],
+        extra_mount_map: Mapping[str, str] = {},
+        extra_mount_options: Mapping[str, Mapping[str, str]] = {},
         service_name: Optional[str] = None,
         model_version: Optional[str] = None,
         dependencies: Optional[Sequence[str]] = None,
@@ -143,6 +147,43 @@ async def create(
             faker = Faker()
             service_name = f"bai-serve-{faker.user_name()}"
 
+        if extra_mounts:
+            vfolder_id_to_name: dict[UUID, str] = {}
+            vfolder_name_to_id: dict[str, UUID] = {}
+
+            rqst = Request("GET", "/folders")
+            async with rqst.fetch() as resp:
+                body = await resp.json()
+                for folder_info in body:
+                    vfolder_id_to_name[UUID(folder_info["id"])] = folder_info["name"]
+                    vfolder_name_to_id[folder_info["name"]] = UUID(folder_info["id"])
+
+            extra_mount_body = {}
+
+            for mount in extra_mounts:
+                try:
+                    vfolder_id = UUID(mount)
+                    if vfolder_id not in vfolder_id_to_name:
+                        raise BackendClientError(f"VFolder (id: {vfolder_id}) not found")
+                except ValueError:
+                    if mount not in vfolder_name_to_id:
+                        raise BackendClientError(f"VFolder (name: {vfolder_id}) not found")
+                    vfolder_id = vfolder_name_to_id[mount]
+                extra_mount_body[str(vfolder_id)] = {
+                    "mount_destination": extra_mount_map.get(mount),
+                    "type": extra_mount_options.get(mount, {}).get("type"),
+                }
+        model_config = {
+            "model": model_id_or_name,
+            "model_mount_destination": model_mount_destination,
+            "extra_mounts": extra_mount_body,
+            "environ": envs,
+            "scaling_group": scaling_group,
+            "resources": resources,
+            "resource_opts": resource_opts,
+        }
+        if model_version:
+            model_config["model_version"] = model_version
         rqst = Request("POST", "/services")
         rqst.set_json({
             "name": service_name,
@@ -158,15 +199,7 @@ async def create(
             "bootstrap_script": bootstrap_script,
             "owner_access_key": owner_access_key,
             "open_to_public": expose_to_public,
-            "config": {
-                "model": model_id_or_name,
-                "model_version": model_version,
-                "model_mount_destination": model_mount_destination,
-                "environ": envs,
-                "scaling_group": scaling_group,
-                "resources": resources,
-                "resource_opts": resource_opts,
-            },
+            "config": model_config,
         })
         async with rqst.fetch() as resp:
             body = await resp.json()