CFE-4661: Fixed an issue where wrong names in --clients would cause cf-remote to hang

cf_remote/main.py

@@ -504,7 +504,7 @@ def validate_command(command, args):
     if command in ["sudo", "run"]:
         if len(args.remote_command) != 1:
             raise CFRExitError(
-                "cf-remote sude/run requires exactly 1 command (use quotes)"
+                "cf-remote sudo/run requires exactly 1 command (use quotes)"
             )
         args.remote_command = args.remote_command[0]
 
@@ -613,6 +613,17 @@ def get_cloud_hosts(name, bootstrap_ips=False):
     return ret
 
 
+def _get_cloud_group_names():
+    if not os.path.exists(paths.CLOUD_STATE_FPATH):
+        return []
+    state = read_json(paths.CLOUD_STATE_FPATH)
+    if not state:
+        return []
+    for key in state:
+        if key.startswith("@"):
+            return key[1:]
+
+
 def resolve_hosts(string, single=False, bootstrap_ips=False):
     log.debug("resolving hosts from '{}'".format(string))
     if is_file_string(string):
@@ -628,6 +639,14 @@ def resolve_hosts(string, single=False, bootstrap_ips=False):
             ret.extend(hosts)
             log.debug("found in cloud, adding '{}'".format(hosts))
         else:
+            if "." not in name and "@" not in name:
+                available = _get_cloud_group_names()
+                if available:
+                    raise CFRUserError(
+                        "'{}' not found in cloud state. Available groups: {}".format(
+                            name, ", ".join(available)
+                        )
+                    )
             ret.append(name)
 
     if single: