NAS-130362 / 24.10 / Add system.vendor.is_vendored endpoint (#14117)

* add `is_vendored` endpoint

* set `is_vendored` to private

* fix `IsVendoredResult`

src/middlewared/middlewared/api/v25_04_0/vendor.py

@@ -15,3 +15,11 @@ class UnvendorArgs(BaseModel):
 
 class UnvendorResult(BaseModel):
     result: None
+
+
+class IsVendoredArgs(BaseModel):
+    pass
+
+
+class IsVendoredResult(BaseModel):
+    result: bool

src/middlewared/middlewared/plugins/system_vendor/vendor.py

@@ -2,7 +2,9 @@
 import os
 
 from middlewared.api import api_method
-from middlewared.api.current import VendorNameArgs, VendorNameResult, UnvendorArgs, UnvendorResult
+from middlewared.api.current import (
+    VendorNameArgs, VendorNameResult, UnvendorArgs, UnvendorResult, IsVendoredArgs, IsVendoredResult
+)
 from middlewared.service import Service
 
 
@@ -37,3 +39,7 @@ def unvendor(self):
             self.logger.exception('Unexpected error attempting to remove %r', SENTINEL_FILE_PATH)
 
         self.middleware.call_sync('etc.generate', 'grub')
+
+    @api_method(IsVendoredArgs, IsVendoredResult, private=True)
+    def is_vendored(self):
+        return os.path.isfile(SENTINEL_FILE_PATH)

tests/api2/test_system_vendor.py

@@ -4,11 +4,12 @@
 SENTINEL_FILE_PATH = "/data/.vendor"
 
 
-def test_name_is_none():
-    # /data/.vendor should not exist
+def test_no_vendor_file():
     file_exists = ssh(f"test -e {SENTINEL_FILE_PATH}", check=False, complete_response=True)["result"]
     assert not file_exists
+    assert not call("system.vendor.is_vendored")
+
 
-    # system.vendor.name should successfully return None
+def test_name_is_none():
     vendor_name = call("system.vendor.name")
     assert vendor_name is None