hostname: add support for openEuler distro (#76619)

changelogs/fragments/openEuler_hostname.yml

@@ -0,0 +1,2 @@
+bugfixes:
+ - hostname - add hostname support for openEuler distro (https://github.com/ansible/ansible/pull/76619).

lib/ansible/modules/hostname.py

@@ -951,6 +951,12 @@ class EurolinuxHostname(Hostname):
     strategy_class = RedHatStrategy
 
 
+class OpenEulerHostname(Hostname):
+    platform = 'Linux'
+    distribution = 'Openeuler'
+    strategy_class = SystemdStrategy
+
+
 def main():
     module = AnsibleModule(
         argument_spec=dict(