diff options
Diffstat (limited to 'priv/templates/simplenode.nodetool')
-rwxr-xr-x[-rw-r--r--] | priv/templates/simplenode.nodetool | 58 |
1 files changed, 51 insertions, 7 deletions
diff --git a/priv/templates/simplenode.nodetool b/priv/templates/simplenode.nodetool index eb08fa4..ce06c6a 100644..100755 --- a/priv/templates/simplenode.nodetool +++ b/priv/templates/simplenode.nodetool @@ -1,3 +1,4 @@ +#!/usr/bin/env escript %% -*- mode: erlang;erlang-indent-level: 4;indent-tabs-mode: nil -*- %% ex: ft=erlang ts=4 sw=4 et %% ------------------------------------------------------------------- @@ -5,25 +6,51 @@ %% nodetool: Helper Script for interacting with live nodes %% %% ------------------------------------------------------------------- - main(Args) -> ok = start_epmd(), %% Extract the args {RestArgs, TargetNode} = process_args(Args, [], undefined), + %% any commands that don't need a running node + case RestArgs of + ["chkconfig", File] -> + case file:consult(File) of + {ok, _} -> + io:format("ok\n"), + halt(0); + {error, {Line, Mod, Term}} -> + io:format(standard_error, ["Error on line ", + file:format_error({Line, Mod, Term}), "\n"], []), + halt(1); + {error, R} -> + io:format(standard_error, ["Error reading config file: ", + file:format_error(R), "\n"], []), + halt(1) + end; + _ -> + ok + end, + %% See if the node is currently running -- if it's not, we'll bail - case {net_kernel:hidden_connect_node(TargetNode), net_adm:ping(TargetNode)} of + case {net_kernel:hidden_connect_node(TargetNode), + net_adm:ping(TargetNode)} of {true, pong} -> ok; + {false,pong} -> + io:format("Failed to connect to node ~p .\n", [TargetNode]), + halt(1); {_, pang} -> io:format("Node ~p not responding to pings.\n", [TargetNode]), halt(1) end, case RestArgs of + ["getpid"] -> + io:format("~p\n", + [list_to_integer(rpc:call(TargetNode, os, getpid, []))]); ["ping"] -> - %% If we got this far, the node already responsed to a ping, so just dump - %% a "pong" + %% If we got this far, the node already responsed to a + %% ping, so just dump a "pong" io:format("pong\n"); ["stop"] -> io:format("~p\n", [rpc:call(TargetNode, init, stop, [], 60000)]); @@ -32,7 +59,9 @@ main(Args) -> ["reboot"] -> io:format("~p\n", [rpc:call(TargetNode, init, reboot, [], 60000)]); ["rpc", Module, Function | RpcArgs] -> - case rpc:call(TargetNode, list_to_atom(Module), list_to_atom(Function), + case rpc:call(TargetNode, + list_to_atom(Module), + list_to_atom(Function), [RpcArgs], 60000) of ok -> ok; @@ -42,8 +71,23 @@ main(Args) -> _ -> halt(1) end; + ["rpc_infinity", Module, Function | RpcArgs] -> + case rpc:call(TargetNode, + list_to_atom(Module), + list_to_atom(Function), + [RpcArgs], infinity) of + ok -> + ok; + {badrpc, Reason} -> + io:format("RPC to ~p failed: ~p\n", [TargetNode, Reason]), + halt(1); + _ -> + halt(1) + end; ["rpcterms", Module, Function, ArgsAsString] -> - case rpc:call(TargetNode, list_to_atom(Module), list_to_atom(Function), + case rpc:call(TargetNode, + list_to_atom(Module), + list_to_atom(Function), consult(ArgsAsString), 60000) of {badrpc, Reason} -> io:format("RPC to ~p failed: ~p\n", [TargetNode, Reason]), @@ -53,7 +97,7 @@ main(Args) -> end; Other -> io:format("Other: ~p\n", [Other]), - io:format("Usage: nodetool {ping|stop|restart|reboot}\n") + io:format("Usage: nodetool {chkconfig|getpid|ping|stop|restart|reboot|rpc|rpc_infinity|rpcterms}\n") end, net_kernel:stop(). |