Use dict for commands

Signed-off-by: Daniel J Walsh <[email protected]>

ramalama

@@ -279,7 +279,7 @@ def serve_cli(ramalama_store, args):
     os.execlp("llama-server", "llama-server", "-m", symlink_path)
 
 
-def usage():
+def usage(cmd=""):
     print("Usage:")
     print(f"  {os.path.basename(__file__)} COMMAND")
     print()
@@ -323,26 +323,17 @@ def main(args):
     conman = select_container_manager()
     ramalama_store = get_ramalama_store()
 
-    if conman:
-        conman_args = [conman, "run", "--rm", "-it", "--security-opt=label=disable", f"-v{ramalama_store}:/var/lib/ramalama", f"-v{os.path.expanduser('~')}:{os.path.expanduser('~')}", "-v/tmp:/tmp",
-                       f"-v{__file__}:{__file__}", "quay.io/ramalama/ramalama:latest", __file__] + args
-        os.execvp(conman, conman_args)
-
-    if len(args) < 1:
-        usage()
+    funcDict={}
+    funcDict["pull"] = pull_cli
+    funcDict["run"] = run_cli
+    funcDict["list"] = list_cli
 
     cmd = args.pop(0)
-    if cmd == "pull":
-        pull_cli(ramalama_store, args)
-    elif cmd == "run":
-        run_cli(ramalama_store, args)
-    elif cmd == "serve":
-        serve_cli(ramalama_store, args)
-    elif cmd in ("list", "ls"):
-        list_cli(ramalama_store)
-    else:
+    try:
+        funcDict[cmd](ramalama_store, args)
+    except:
+        print(cmd + " not valid\n")
         usage()
 
-
 if __name__ == "__main__":
     main(sys.argv[1:])