improved the filemoving of AnsibleModules and SystemdUnitModule

I wrapped the file stuff in an function that is available in AnsibleModule.

plugins/module_utils/module.py

@@ -1,9 +1,9 @@
 import pathlib
 from copy import deepcopy
-from typing import (Any, Callable, ClassVar, Dict, NoReturn, Optional, Type,
-                    TypedDict, TypeVar, Union, overload)
-
+from typing import Any, Callable, ClassVar, Dict, NoReturn, Optional, Type, TypedDict, TypeVar, Union, overload, Generic
 import ansible.module_utils.basic as basic
+import os
+import shutil
 
 from .generic import AnsibleParameter, Types, systemdbool
 
@@ -18,11 +18,11 @@ __all__ = (
 T = TypeVar("T")
 
 
-class TypedDiff(TypedDict):
-    before: str
-    after: str
-    before_header: Optional[str]
-    after_header: Optional[str]
+class TypedDiff(Generic[T], TypedDict, total=False):
+    before: T
+    after: T
+    before_header: str
+    after_header: str
 
 
 def docify(input: Union[dict, AnsibleParameter]) -> dict:
@@ -78,6 +78,7 @@ class AnsibleModule(object):
             specs["argument_spec"].update(modspec["argument_spec"])
             del modspec["argument_spec"]
         specs.update(modspec)
+        self.modspec = specs
         self.module = basic.AnsibleModule(**specs)
         self.tmpdir = pathlib.Path(self.module.tmpdir)
 
@@ -114,7 +115,7 @@ class AnsibleModule(object):
         if diff is not None and not any((before is not None, after is not None)):
             pass
         elif all((before is not None, after is not None, diff is None)):
-            diff = dict(
+            diff = TypedDiff(
                 before=before,
                 after=after,
             )
@@ -206,6 +207,24 @@ class AnsibleModule(object):
         """Wrapper for AnsibleModule.exit_json"""
         self.module.exit_json(**self.result)
 
+    def move_file(self, path: pathlib.Path, dest: pathlib.Path, backup: bool = False, unsafe_writes: bool = False):
+        """Moves an Temporary file to an destination it uses the args from add_file_common_args when used
+
+        Args:
+            path: The Path that the file currently is
+            dest: the location the file should be
+            backup: should an backup be made before the file is moved
+        """
+
+        if backup:
+            shutil.copy2(dest, dest.with_suffix(dest.suffix + ".bak"), follow_symlinks=False)
+        self.module.atomic_move(path, dest, unsafe_writes=unsafe_writes, keep_dest_attrs=True)
+        if "add_file_common_args" in self.modspec and self.modspec["add_file_common_args"]:
+            file_args = self.module.load_file_common_arguments(self.params, path=dest)
+            diff = TypedDiff()
+            self.changed |= self.module.set_fs_attributes_if_different(file_args, diff=diff)
+            self.diff(diff)
+
 
 class SystemdUnitModule(AnsibleModule):
     #: path of the unitfile managed by this module
@@ -286,34 +305,6 @@ class SystemdUnitModule(AnsibleModule):
         path = self.tmpdir / "newunit"
         with open(path, "w") as unit:
             unit.write(self.unit())
-        self.module.set_owner_if_different(path.as_posix(), "root", False)
-        self.module.set_group_if_different(path.as_posix(), "root", False)
-        self.module.set_mode_if_different(path.as_posix(), "0644", False)
-        if self.unitfile.exists():
-            diff = TypedDiff()  # type:ignore[reportCallIssue]
-            self.changed = self.changed | self.module.set_owner_if_different(
-                self.unitfile.as_posix(),
-                "root",
-                self.result["changed"],
-                diff,
-            )
-            self.diff(diff)
-            diff = TypedDiff()  # type:ignore[reportCallIssue]
-            self.changed = self.changed | self.module.set_group_if_different(
-                self.unitfile.as_posix(),
-                "root",
-                self.result["changed"],
-                diff,
-            )
-            self.diff(diff)
-            diff = TypedDiff()  # type:ignore[reportCallIssue]
-            self.changed = self.changed | self.module.set_mode_if_different(
-                self.unitfile.as_posix(),
-                "0644",
-                self.result["changed"],
-                diff,
-            )
-            self.diff(diff)
 
     def check(self):  # pragma: nocover
         self.set("unitfile", self.unitfile.as_posix())
@@ -334,10 +325,7 @@ class SystemdUnitModule(AnsibleModule):
         self.check()
         if not self.changed:
             return
-        self.module.atomic_move(
-            src=(self.tmpdir / "newunit").as_posix(),
-            dest=self.unitfile.as_posix(),
-        )
+        self.move_file(self.tmpdir / "newunit", self.unitfile)
         if hasattr(self, "post") and self.post is not None:
             self.post()