added openbsd to hostname module

lib/ansible/modules/system/hostname.py

@@ -321,6 +321,44 @@ class OpenRCStrategy(GenericStrategy):
 
 # ===========================================
 
+class OpenBSDStrategy(GenericStrategy):
+    """
+    This is a OpenBSD family Hostname manipulation strategy class - it edits
+    the /etc/myname file.
+    """
+
+    HOSTNAME_FILE = '/etc/myname'
+
+    def get_permanent_hostname(self):
+        if not os.path.isfile(self.HOSTNAME_FILE):
+            try:
+                open(self.HOSTNAME_FILE, "a").write("")
+            except IOError, err:
+                self.module.fail_json(msg="failed to write file: %s" %
+                    str(err))
+        try:
+            f = open(self.HOSTNAME_FILE)
+            try:
+                return f.read().strip()
+            finally:
+                f.close()
+        except Exception, err:
+            self.module.fail_json(msg="failed to read hostname: %s" %
+                str(err))
+
+    def set_permanent_hostname(self, name):
+        try:
+            f = open(self.HOSTNAME_FILE, 'w+')
+            try:
+                f.write("%s\n" % name)
+            finally:
+                f.close()
+        except Exception, err:
+            self.module.fail_json(msg="failed to update hostname: %s" %
+                str(err))
+
+# ===========================================
+
 class FedoraHostname(Hostname):
     platform = 'Linux'
     distribution = 'Fedora'
@@ -430,6 +468,11 @@ class ALTLinuxHostname(Hostname):
     distribution = 'Altlinux'
     strategy_class = RedHatStrategy
 
+class OpenBSDHostname(Hostname):
+    platform = 'OpenBSD'
+    distribution = None
+    strategy_class = OpenBSDStrategy
+
 # ===========================================
 
 def main():