diff --git a/kolla_ansible/cmd/genpwd.py b/kolla_ansible/cmd/genpwd.py
index 366964df7b..c4573e999d 100755
--- a/kolla_ansible/cmd/genpwd.py
+++ b/kolla_ansible/cmd/genpwd.py
@@ -54,6 +54,44 @@ def generate_RSA(bits=4096):
     return private_key, public_key
 
 
+def genpwd(passwords_file, length, uuid_keys, ssh_keys, blank_keys,
+           fernet_keys, hmac_md5_keys):
+    with open(passwords_file, 'r') as f:
+        passwords = yaml.safe_load(f.read())
+
+    for k, v in passwords.items():
+        if (k in ssh_keys and
+                (v is None
+                 or v.get('public_key') is None
+                 and v.get('private_key') is None)):
+            private_key, public_key = generate_RSA()
+            passwords[k] = {
+                'private_key': private_key,
+                'public_key': public_key
+            }
+            continue
+        if v is None:
+            if k in blank_keys and v is None:
+                continue
+            if k in uuid_keys:
+                passwords[k] = uuidutils.generate_uuid()
+            elif k in hmac_md5_keys:
+                passwords[k] = (hmac.new(
+                    uuidutils.generate_uuid().encode(), ''.encode(), md5)
+                    .hexdigest())
+            elif k in fernet_keys:
+                passwords[k] = fernet.Fernet.generate_key()
+            else:
+                passwords[k] = ''.join([
+                    random.SystemRandom().choice(
+                        string.ascii_letters + string.digits)
+                    for n in range(length)
+                ])
+
+    with open(passwords_file, 'w') as f:
+        f.write(yaml.safe_dump(passwords, default_flow_style=False))
+
+
 def main():
     parser = argparse.ArgumentParser()
     parser.add_argument(
@@ -91,40 +129,9 @@ def main():
     # length of password
     length = 40
 
-    with open(passwords_file, 'r') as f:
-        passwords = yaml.safe_load(f.read())
+    genpwd(passwords_file, length, uuid_keys, ssh_keys, blank_keys,
+           fernet_keys, hmac_md5_keys)
 
-    for k, v in passwords.items():
-        if (k in ssh_keys and
-                (v is None
-                 or v.get('public_key') is None
-                 and v.get('private_key') is None)):
-            private_key, public_key = generate_RSA()
-            passwords[k] = {
-                'private_key': private_key,
-                'public_key': public_key
-            }
-            continue
-        if v is None:
-            if k in blank_keys and v is None:
-                continue
-            if k in uuid_keys:
-                passwords[k] = uuidutils.generate_uuid()
-            elif k in hmac_md5_keys:
-                passwords[k] = (hmac.new(
-                    uuidutils.generate_uuid().encode(), ''.encode(), md5)
-                    .hexdigest())
-            elif k in fernet_keys:
-                passwords[k] = fernet.Fernet.generate_key()
-            else:
-                passwords[k] = ''.join([
-                    random.SystemRandom().choice(
-                        string.ascii_letters + string.digits)
-                    for n in range(length)
-                ])
-
-    with open(passwords_file, 'w') as f:
-        f.write(yaml.safe_dump(passwords, default_flow_style=False))
 
 if __name__ == '__main__':
     main()
diff --git a/kolla_ansible/cmd/mergepwd.py b/kolla_ansible/cmd/mergepwd.py
index ea3d128772..4c697629a0 100755
--- a/kolla_ansible/cmd/mergepwd.py
+++ b/kolla_ansible/cmd/mergepwd.py
@@ -16,23 +16,26 @@ import argparse
 import yaml
 
 
+def mergepwd(old, new, final):
+    with open(old, "r") as old_file:
+        old_passwords = yaml.safe_load(old_file)
+
+    with open(new, "r") as new_file:
+        new_passwords = yaml.safe_load(new_file)
+
+    new_passwords.update(old_passwords)
+
+    with open(final, "w") as destination:
+        yaml.safe_dump(new_passwords, destination, default_flow_style=False)
+
+
 def main():
     parser = argparse.ArgumentParser()
     parser.add_argument("--old", help="old password file", required=True)
     parser.add_argument("--new", help="new password file", required=True)
     parser.add_argument("--final", help="merged password file", required=True)
     args = parser.parse_args()
-
-    with open(args.old, "r") as old_file:
-        old_passwords = yaml.safe_load(old_file)
-
-    with open(args.new, "r") as new_file:
-        new_passwords = yaml.safe_load(new_file)
-
-    new_passwords.update(old_passwords)
-
-    with open(args.final, "w") as destination:
-        yaml.safe_dump(new_passwords, destination, default_flow_style=False)
+    mergepwd(args.old, args.new, args.final)
 
 
 if __name__ == '__main__':