Prevent parted warnings in script mode

changelogs/fragments/7304-prevent-parted-warnings.yml

@@ -0,0 +1,2 @@
+minor_changes:
+  - parted - On resize, use --fix option if available (https://github.com/ansible-collections/community.general/pull/7304)

plugins/modules/parted.py

@@ -559,6 +559,23 @@ def parted_version():
     return major, minor, rev
 
 
+def check_parted_fix():
+    """
+    Determines if parted have option --fix (-f). Versions prior
+    to 3.4.64 don't have it. For more information see:
+    http://savannah.gnu.org/news/?id=10114
+    """
+    global parted_exec  # pylint: disable=global-variable-not-assigned
+
+    parted_major, parted_minor, revision = parted_version()
+    if (parted_major == 3 and parted_minor == 4 and revision >= 64):
+        return True
+    if (parted_major == 3 and parted_minor >= 5) or parted_major > 3:
+        return True
+
+    return False
+
+
 def parted(script, device, align):
     """
     Runs a parted script.
@@ -569,8 +586,13 @@ def parted(script, device, align):
     if align == 'undefined':
         align_option = ''
 
+    if check_parted_fix():
+        script_option = '-s -f'
+    else:
+        script_option = '-s'
+
     if script and not module.check_mode:
-        command = "%s -s -m %s %s -- %s" % (parted_exec, align_option, device, script)
+        command = "%s %s -m %s %s -- %s" % (parted_exec, script_option, align_option, device, script)
         rc, out, err = module.run_command(command)
 
         if rc != 0: