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-rw-r--r--priv/templates/simplenode.install_upgrade.escript44
1 files changed, 44 insertions, 0 deletions
diff --git a/priv/templates/simplenode.install_upgrade.escript b/priv/templates/simplenode.install_upgrade.escript
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+++ b/priv/templates/simplenode.install_upgrade.escript
@@ -0,0 +1,44 @@
+#!/usr/bin/env escript
+%%! -noshell -noinput
+%% -*- mode: erlang;erlang-indent-level: 4;indent-tabs-mode: nil -*-
+%% ex: ft=erlang ts=4 sw=4 et
+
+-define(TIMEOUT, 60000).
+-define(INFO(Fmt,Args), io:format(Fmt,Args)).
+
+main([NodeName, Cookie, ReleasePackage]) ->
+ TargetNode = start_distribution(NodeName, Cookie),
+ {ok, Vsn} = rpc:call(TargetNode, release_handler, unpack_release,
+ [ReleasePackage], ?TIMEOUT),
+ ?INFO("Unpacked Release ~p~n", [Vsn]),
+ {ok, OtherVsn, Desc} = rpc:call(TargetNode, release_handler,
+ check_install_release, [Vsn], ?TIMEOUT),
+ {ok, OtherVsn, Desc} = rpc:call(TargetNode, release_handler,
+ install_release, [Vsn], ?TIMEOUT),
+ ?INFO("Installed Release ~p~n", [Vsn]),
+ ok = rpc:call(TargetNode, release_handler, make_permanent, [Vsn], ?TIMEOUT),
+ ?INFO("Made Release ~p Permanent~n", [Vsn]);
+main(_) ->
+ init:stop(1).
+
+start_distribution(NodeName, Cookie) ->
+ MyNode = make_script_node(NodeName),
+ {ok, _Pid} = net_kernel:start([MyNode, shortnames]),
+ erlang:set_cookie(node(), list_to_atom(Cookie)),
+ TargetNode = make_target_node(NodeName),
+ case {net_kernel:hidden_connect_node(TargetNode),
+ net_adm:ping(TargetNode)} of
+ {true, pong} ->
+ ok;
+ {_, pang} ->
+ io:format("Node ~p not responding to pings.\n", [TargetNode]),
+ init:stop(1)
+ end,
+ TargetNode.
+
+make_target_node(Node) ->
+ [_, Host] = string:tokens(atom_to_list(node()), "@"),
+ list_to_atom(lists:concat([Node, "@", Host])).
+
+make_script_node(Node) ->
+ list_to_atom(lists:concat([Node, "_upgrader_", os:getpid()])).