das-toolbox-139: Singleton remote context manager

src/commands/config/config_cli.py

@@ -180,10 +180,8 @@ def _build_nodes(self, is_cluster: bool, port: int) -> List[Dict]:
 
         nodes = []
 
-        join_current_server = self.prompt(
+        join_current_server = self.confirm(
             f"Do you want to join the current server as an actual node on the network?",
-            hide_input=False,
-            type=bool,
             default=True,
         )
 
@@ -248,14 +246,12 @@ def _build_cluster(
                 }
             )
 
-        remote_context_manager = RemoteContextManager(servers)
-        cluster_contexts = remote_context_manager.create_context()
-
-        return cluster_contexts
+        self._remote_context_manager.set_servers(servers)
+        return self._remote_context_manager.create_context()
 
     def _destroy_contexts(self, servers: List[Dict]):
-        remote_context_manager = RemoteContextManager(servers)
-        remote_context_manager.remove_context()
+        self._remote_context_manager.set_servers(servers)
+        self._remote_context_manager.remove_context()
 
     def _redis_nodes(self, redis_cluster, redis_port) -> List[Dict]:
         redis_nodes = self._build_nodes(redis_cluster, redis_port)

src/common/docker/remote_context_manager.py

@@ -6,7 +6,7 @@
 class RemoteContextManager:
     def __init__(
         self,
-        servers: List[Dict],
+        servers: List[Dict] = [],
     ) -> None:
         self._servers = servers
 
@@ -49,7 +49,9 @@ def create_context(self) -> List[AnyStr]:
             server_username = server.get("username")
 
             context_name = str(uuid4())
-            context_description = f"This context connects to {server_ip} and managed by das-cli"
+            context_description = (
+                f"This context connects to {server_ip} and managed by das-cli"
+            )
             context_host = self._get_host(server_username, server_ip)
             context_docker = self._get_context(
                 host=context_host,