mirror of
https://github.com/processone/ejabberd.git
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45 lines
1.7 KiB
Erlang
45 lines
1.7 KiB
Erlang
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#!/usr/bin/env escript
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%%! -noshell -noinput
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%% -*- mode: erlang;erlang-indent-level: 4;indent-tabs-mode: nil -*-
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%% ex: ft=erlang ts=4 sw=4 et
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-define(TIMEOUT, 60000).
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-define(INFO(Fmt,Args), io:format(Fmt,Args)).
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main([NodeName, Cookie, ReleasePackage]) ->
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TargetNode = start_distribution(NodeName, Cookie),
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{ok, Vsn} = rpc:call(TargetNode, release_handler, unpack_release,
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[ReleasePackage], ?TIMEOUT),
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?INFO("Unpacked Release ~p~n", [Vsn]),
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{ok, OtherVsn, Desc} = rpc:call(TargetNode, release_handler,
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check_install_release, [Vsn], ?TIMEOUT),
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{ok, OtherVsn, Desc} = rpc:call(TargetNode, release_handler,
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install_release, [Vsn], ?TIMEOUT),
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?INFO("Installed Release ~p~n", [Vsn]),
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ok = rpc:call(TargetNode, release_handler, make_permanent, [Vsn], ?TIMEOUT),
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?INFO("Made Release ~p Permanent~n", [Vsn]);
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main(_) ->
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init:stop(1).
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start_distribution(NodeName, Cookie) ->
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MyNode = make_script_node(NodeName),
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{ok, _Pid} = net_kernel:start([MyNode, shortnames]),
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erlang:set_cookie(node(), list_to_atom(Cookie)),
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TargetNode = make_target_node(NodeName),
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case {net_kernel:hidden_connect_node(TargetNode),
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net_adm:ping(TargetNode)} of
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{true, pong} ->
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ok;
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{_, pang} ->
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io:format("Node ~p not responding to pings.\n", [TargetNode]),
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init:stop(1)
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end,
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TargetNode.
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make_target_node(Node) ->
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[_, Host] = string:tokens(atom_to_list(node()), "@"),
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list_to_atom(lists:concat([Node, "@", Host])).
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make_script_node(Node) ->
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list_to_atom(lists:concat([Node, "_upgrader_", os:getpid()])).
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