diff options
Diffstat (limited to 'src/rabbit_control.erl')
| -rw-r--r-- | src/rabbit_control.erl | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/src/rabbit_control.erl b/src/rabbit_control.erl index f701c4aa..a15c7fd8 100644 --- a/src/rabbit_control.erl +++ b/src/rabbit_control.erl @@ -80,13 +80,38 @@ start() -> {error, Reason} -> error("~p", [Reason]), halt(2); + {badrpc, Reason} -> + error("unable to connect to node ~w: ~w", [Node, Reason]), + print_badrpc_diagnostics(Node), + halt(2); Other -> error("~p", [Other]), halt(2) end. -error(Format, Args) -> - rabbit_misc:format_stderr("Error: " ++ Format ++ "~n", Args). +fmt_stderr(Format, Args) -> rabbit_misc:format_stderr(Format ++ "~n", Args). + +error(Format, Args) -> fmt_stderr("Error: " ++ Format, Args). + +print_badrpc_diagnostics(Node) -> + fmt_stderr("diagnostics:", []), + NodeHost = rabbit_misc:nodehost(Node), + case net_adm:names(NodeHost) of + {error, EpmdReason} -> + fmt_stderr("- unable to connect to epmd on ~s: ~w", + [NodeHost, EpmdReason]); + {ok, NamePorts} -> + fmt_stderr("- nodes and their ports on ~s: ~p", + [NodeHost, [{list_to_atom(Name), Port} || + {Name, Port} <- NamePorts]]) + end, + fmt_stderr("- current node: ~w", [node()]), + case init:get_argument(home) of + {ok, [[Home]]} -> fmt_stderr("- current node home dir: ~s", [Home]); + Other -> fmt_stderr("- no current node home dir: ~p", [Other]) + end, + fmt_stderr("- current node cookie hash: ~s", [rabbit_misc:cookie_hash()]), + ok. parse_args(["-n", NodeS | Args], Params) -> Node = case lists:member($@, NodeS) of |