linter cleanups

os_migrate_setup.py

@@ -3,19 +3,23 @@ Quick and dirty script to help setup project, flavors, networks, images
 """
 import argparse
 import json
-import os
+
+# import os
 import subprocess
 
+
 def openstack_cmd(cmd):
-    cmd = "OS_CLOUD=standalone openstack " + cmd 
+    """Utility function to run an openstack command agains the standalone cloud"""
+    cmd = "OS_CLOUD=standalone openstack " + cmd
 
     result = subprocess.check_output(cmd, shell=True, universal_newlines=True)
     return result
 
+
 def parse_args():
     """Parse the command line arguments"""
 
-    home = os.environ.get('HOME')
+    # home = os.environ.get('HOME')
 
     parser = argparse.ArgumentParser()
     parser.add_argument("-d", "--project-domain", default="default")
@@ -24,18 +28,20 @@ def parse_args():
     parser.add_argument("-u", "--username", default="test-user")
     parser.add_argument("-p", "--password", default="secrete123")
     parser.add_argument("-c", "--cloud", default="standalone")
-    
+
     args = parser.parse_args()
 
     return args
 
 
 def create_project(args):
+    """Create the project if it doesn't already exist"""
     cmd = "project list -f json"
-    project_exists  = [ 
-        x for x in json.loads(openstack_cmd(cmd)) 
-        if x["Name"] == args.project_name 
-        ]
+    project_exists = [
+        x
+        for x in json.loads(openstack_cmd(cmd))
+        if x["Name"] == args.project_name
+    ]
 
     if project_exists:
         print(f"Project {args.project_name} already exists. Skipping creation")
@@ -45,18 +51,19 @@ def create_project(args):
     cmd = (
         f"project create -f json --description '{args.project_description}' "
         f"{args.project_name} --domain {args.project_domain}"
-        )
-    
+    )
+
     args.project_id = json.loads(openstack_cmd(cmd))["id"]
-    
+
     print(f"Project created - id: {args.project_id}")
 
+
 def create_user(args):
+    """Create the user if it doesn't already exist"""
     cmd = "user list -f json"
-    user_exists  = [ 
-        x for x in json.loads(openstack_cmd(cmd)) 
-        if x["Name"] == args.username 
-        ]
+    user_exists = [
+        x for x in json.loads(openstack_cmd(cmd)) if x["Name"] == args.username
+    ]
 
     if user_exists:
         print(f"User {args.username} already exists. Skipping creation")
@@ -66,55 +73,86 @@ def create_user(args):
     cmd = (
         f"user create  -f json --project {args.project_id} "
         f"--password {args.password} {args.username}"
-        )
-    
+    )
+
     args.user_id = json.loads(openstack_cmd(cmd))["id"]
-    
+
     print(f"User created - id: {args.user_id}")
 
+
 def assign_member_role(args):
+    """
+    Assign the member role to the user.
+
+    Note: it doesn't matter if the role is assigned multiple times, so not
+    bothering to check.
+    """
 
     cmd = f"role add --user {args.username} --project {args.project_id} member"
 
     result = openstack_cmd(cmd)
 
-
     cmd = f"role assignment list --user {args.user_id} --role member -f json"
     result = json.loads(openstack_cmd(cmd))
 
     if result:
         print("User has member role")
 
+
 def create_public_network(args):
+    """Coming soon - create the public network"""
+    # pylint: disable=unused-argument
     print("creating public network - NYI")
 
+
 def create_private_network(args):
+    """Coming soon - create the private network"""
+    # pylint: disable=unused-argument
     print("creating private network - NYI")
 
+
 def create_cirros_flavor(args):
+    """Coming soon - create the cirros flavor"""
+    # pylint: disable=unused-argument
     print("creating cirros flavor - NYI")
 
+
 def create_rhel_flavor(args):
+    """Coming soon - create the rhel flavor"""
+    # pylint: disable=unused-argument
     print("creating rhel flavor - NYI")
 
+
 def create_cirros_image(args):
+    """Coming soon - create the cirros image"""
+    # pylint: disable=unused-argument
     print("creating cirros image - NYI")
 
+
 def create_rhel_image(args):
+    """Coming soon - create the rhel image"""
+    # pylint: disable=unused-argument
     print("creating rhel image - NYI")
 
+
 def create_cirros_instance(args):
+    """Coming soon - create the cirros instance"""
+    # pylint: disable=unused-argument
     print("creating cirros instance - NYI")
 
+
 def create_rhel_instance(args):
+    """Coming soon - create the rhel instance"""
+    # pylint: disable=unused-argument
     print("creating rhel instance - NYI")
 
+
 def main():
     """main function"""
     args = parse_args()
 
     create_project(args)
-    print (args.project_id)
+    print(args.project_id)
     create_user(args)
     assign_member_role(args)
 
@@ -131,6 +169,5 @@ def main():
     create_rhel_instance(args)
 
 
-
 if __name__ == "__main__":
     main()