98 lines
2.7 KiB
Bash
Executable File
98 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Remove the current ejabberd node in a cluster
|
|
|
|
# copyright (c) 2010-2015 ProcessOne
|
|
#
|
|
# This script is proprietary software and cannot be published or redistribute.
|
|
|
|
# Return Code:
|
|
# 0 : groovy baby
|
|
# 11 : erl not found
|
|
# 12 : erlc not found
|
|
# 20 : database dir doesn't exist
|
|
# 21 : database dir not writable
|
|
# 21 : database dir variable not set
|
|
|
|
function error
|
|
{
|
|
echo "Error: $1" >&2
|
|
exit $2
|
|
}
|
|
|
|
echo "--------------------------------------------------------------------"
|
|
echo ""
|
|
echo "ejabberd cluster configuration"
|
|
echo ""
|
|
echo "This ejabberd node will be removed from the cluster."
|
|
echo "IMPORTANT: this node will be stopped. At least one other clustered"
|
|
echo "node must be running."
|
|
echo ""
|
|
echo "--------------------------------------------------------------------"
|
|
echo "Press any key to continue, or Ctrl+C to stop now"
|
|
read foo
|
|
echo ""
|
|
|
|
HERE=`which "$0"`
|
|
BASE=`dirname $HERE`/..
|
|
ROOTDIR=`cd $BASE; pwd`
|
|
. $ROOTDIR/bin/ejabberdctl stop 2>/dev/null >/dev/null
|
|
$ROOTDIR/bin/ejabberdctl stopped
|
|
PA=/tmp/clustersetup_$$
|
|
CLUSTERSETUP=clustersetup
|
|
CLUSTERSETUP_ERL=$PA/$CLUSTERSETUP.erl
|
|
|
|
set -o errexit
|
|
set -o nounset
|
|
|
|
echo "Using commands:"
|
|
which erl || error "can't find erl" 11
|
|
which erlc || error "can't find erlc" 12
|
|
echo ""
|
|
|
|
cd $ROOTDIR
|
|
mkdir -p $PA
|
|
cat <<EOF > $CLUSTERSETUP_ERL
|
|
-module($CLUSTERSETUP).
|
|
|
|
-export([start/0]).
|
|
|
|
del_table_copy(Table, Node) ->
|
|
case mnesia:del_table_copy(Table, Node) of
|
|
{aborted, Reason} -> io:format("Error: can not remove ~p table: ~p~n", [Table, Reason]);
|
|
_ -> io:format("table ~p removed from cluster~n", [Table])
|
|
end.
|
|
|
|
del_tables([],_) ->
|
|
ok;
|
|
del_tables([schema | Tables], Node) ->
|
|
del_tables(Tables, Node);
|
|
del_tables([Table | Tables], Node) ->
|
|
del_table_copy(Table, Node),
|
|
del_tables(Tables, Node).
|
|
|
|
start() ->
|
|
io:format("~n",[]),
|
|
Removed = node(),
|
|
case mnesia:system_info(running_db_nodes)--[Removed] of
|
|
[] -> io:format("Error: no other node running in the cluster~n");
|
|
Nodes ->
|
|
del_tables(mnesia:system_info(local_tables), Removed),
|
|
mnesia:stop(),
|
|
case rpc:call(hd(Nodes), mnesia, del_table_copy, [schema, Removed]) of
|
|
{badrpc,Reason} -> io:format("Error: can not unregister node ~p from cluster: ~p~n", [Removed, Reason]);
|
|
{aborted,Reason} -> io:format("Error: can not unregister node ~p from cluster: ~p~n", [Removed, Reason]);
|
|
{atomic, ok} ->
|
|
mnesia:delete_schema([Removed]),
|
|
io:format("node ~p removed from cluster~n", [Removed])
|
|
end
|
|
end,
|
|
halt(0).
|
|
EOF
|
|
erlc -o $PA $CLUSTERSETUP_ERL
|
|
sh -c "erl $NAME $ERLANG_NODE -pa $PA $KERNEL_OPTS -mnesia dir "\"$SPOOL_DIR\"" -s mnesia -s $CLUSTERSETUP start"
|
|
rm -Rf $PA
|
|
|
|
echo "End."
|
|
echo "Check that there is no error in the above messages."
|