Chapril/xmpp.chapril.org-ejabberd
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xmpp.chapril.org-ejabberd/ejabberdctl.template
Holger Weiss b202004862 ejabberdctl: Fix path to epmd
2016-05-01 21:29:59 +02:00

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#!/bin/bash
# define default configuration
POLL=true
SMP=auto
ERL_MAX_PORTS=32000
ERL_PROCESSES=250000
ERL_MAX_ETS_TABLES=1400
FIREWALL_WINDOW=""
ERLANG_NODE=ejabberd@localhost
# define default environment variables
SCRIPT_DIR=`cd ${0%/*} && pwd`
ERL={{erl}}
IEX={{bindir}}/iex
EPMD={{epmd}}
INSTALLUSER={{installuser}}
ERL_LIBS={{libdir}}
# check the proper system user is used if defined
if [ "$INSTALLUSER" != "" ] ; then
EXEC_CMD="false"
for GID in `id -G`; do
if [ $GID -eq 0 ] ; then
INSTALLUSER_HOME=$(getent passwd "$INSTALLUSER" | cut -d: -f6)
if [ -n "$INSTALLUSER_HOME" ] && [ ! -d "$INSTALLUSER_HOME" ] ; then
mkdir -p "$INSTALLUSER_HOME"
chown "$INSTALLUSER" "$INSTALLUSER_HOME"
fi
EXEC_CMD="su $INSTALLUSER -c"
fi
done
if [ `id -g` -eq `id -g $INSTALLUSER` ] ; then
EXEC_CMD="bash -c"
fi
if [ "$EXEC_CMD" = "false" ] ; then
echo "This command can only be run by root or the user $INSTALLUSER" >&2
exit 4
fi
else
EXEC_CMD="bash -c"
fi
# parse command line parameters
declare -a ARGS=()
while [ $# -ne 0 ] ; do
PARAM="$1"
shift
case $PARAM in
--) break ;;
--no-timeout) EJABBERD_NO_TIMEOUT="--no-timeout" ;;
--node) ERLANG_NODE_ARG=$1 ; shift ;;
--config-dir) ETC_DIR="$1" ; shift ;;
--config) EJABBERD_CONFIG_PATH="$1" ; shift ;;
--ctl-config) EJABBERDCTL_CONFIG_PATH="$1" ; shift ;;
--logs) LOGS_DIR="$1" ; shift ;;
--spool) SPOOL_DIR="$1" ; shift ;;
*) ARGS=("${ARGS[@]}" "$PARAM") ;;
esac
done
# Define ejabberd variable if they have not been defined from the command line
if [ "$ETC_DIR" = "" ] ; then
ETC_DIR={{sysconfdir}}/ejabberd
fi
if [ "$EJABBERDCTL_CONFIG_PATH" = "" ] ; then
EJABBERDCTL_CONFIG_PATH=$ETC_DIR/ejabberdctl.cfg
fi
if [ -f "$EJABBERDCTL_CONFIG_PATH" ] ; then
. "$EJABBERDCTL_CONFIG_PATH"
fi
if [ "$EJABBERD_CONFIG_PATH" = "" ] ; then
EJABBERD_CONFIG_PATH=$ETC_DIR/ejabberd.yml
fi
if [ "$LOGS_DIR" = "" ] ; then
LOGS_DIR={{localstatedir}}/log/ejabberd
fi
if [ "$SPOOL_DIR" = "" ] ; then
SPOOL_DIR={{localstatedir}}/lib/ejabberd
fi
if [ "$EJABBERD_DOC_PATH" = "" ] ; then
EJABBERD_DOC_PATH={{docdir}}
fi
if [ "$ERLANG_NODE_ARG" != "" ] ; then
ERLANG_NODE=$ERLANG_NODE_ARG
fi
if [ "{{release}}" != "true" -a "$EJABBERD_BIN_PATH" = "" ] ; then
EJABBERD_BIN_PATH={{libdir}}/ejabberd/priv/bin
fi
EJABBERD_LOG_PATH=$LOGS_DIR/ejabberd.log
DATETIME=`date "+%Y%m%d-%H%M%S"`
ERL_CRASH_DUMP=$LOGS_DIR/erl_crash_$DATETIME.dump
ERL_INETRC=$ETC_DIR/inetrc
# define mnesia options
MNESIA_OPTS="-mnesia dir \"\\\"$SPOOL_DIR\\\"\" $MNESIA_OPTIONS"
# define erl parameters
ERLANG_OPTS="+K $POLL -smp $SMP +P $ERL_PROCESSES $ERL_OPTIONS"
KERNEL_OPTS=""
if [ "$FIREWALL_WINDOW" != "" ] ; then
KERNEL_OPTS="${KERNEL_OPTS} -kernel inet_dist_listen_min ${FIREWALL_WINDOW%-*} inet_dist_listen_max ${FIREWALL_WINDOW#*-}"
fi
if [ "$INET_DIST_INTERFACE" != "" ] ; then
INET_DIST_INTERFACE2="$(echo $INET_DIST_INTERFACE | sed 's/\./,/g')"
if [ "$INET_DIST_INTERFACE" != "$INET_DIST_INTERFACE2" ] ; then
INET_DIST_INTERFACE2="{$INET_DIST_INTERFACE2}"
fi
KERNEL_OPTS="${KERNEL_OPTS} -kernel inet_dist_use_interface \"${INET_DIST_INTERFACE2}\""
fi
if [ "$ERLANG_NODE" = "${ERLANG_NODE%.*}" ] ; then
NAME="-sname"
else
NAME="-name"
fi
IEXNAME="-$NAME"
# define ejabberd environment parameters
if [ "$EJABBERD_CONFIG_PATH" != "${EJABBERD_CONFIG_PATH%.yml}" ] ; then
rate=$(sed '/^[ ]*log_rate_limit/!d;s/.*://;s/ *//' $EJABBERD_CONFIG_PATH)
rotate=$(sed '/^[ ]*log_rotate_size/!d;s/.*://;s/ *//' $EJABBERD_CONFIG_PATH)
count=$(sed '/^[ ]*log_rotate_count/!d;s/.*://;s/ *//' $EJABBERD_CONFIG_PATH)
date=$(sed '/^[ ]*log_rotate_date/!d;s/.*://;s/ *//' $EJABBERD_CONFIG_PATH)
else
rate=$(sed '/^[ ]*log_rate_limit/!d;s/.*,//;s/ *//;s/}\.//' $EJABBERD_CONFIG_PATH)
rotate=$(sed '/^[ ]*log_rotate_size/!d;s/.*,//;s/ *//;s/}\.//' $EJABBERD_CONFIG_PATH)
count=$(sed '/^[ ]*log_rotate_count/!d;s/.*,//;s/ *//;s/}\.//' $EJABBERD_CONFIG_PATH)
date=$(sed '/^[ ]*log_rotate_date/!d;s/.*,//;s/ *//;s/}\.//' $EJABBERD_CONFIG_PATH)
fi
[ -z "$rate" ] || EJABBERD_OPTS="log_rate_limit $rate"
[ -z "$rotate" ] || EJABBERD_OPTS="${EJABBERD_OPTS} log_rotate_size $rotate"
[ -z "$count" ] || EJABBERD_OPTS="${EJABBERD_OPTS} log_rotate_count $count"
[ -z "$date" ] || EJABBERD_OPTS="${EJABBERD_OPTS} log_rotate_date '$date'"
[ -z "$EJABBERD_OPTS" ] || EJABBERD_OPTS="-ejabberd ${EJABBERD_OPTS}"
[ -d "$SPOOL_DIR" ] || $EXEC_CMD "mkdir -p $SPOOL_DIR"
cd "$SPOOL_DIR"
# export global variables
export EJABBERD_CONFIG_PATH
export EJABBERD_LOG_PATH
export EJABBERD_BIN_PATH
export EJABBERD_DOC_PATH
export EJABBERD_PID_PATH
export ERL_CRASH_DUMP
export ERL_EPMD_ADDRESS
export ERL_INETRC
export ERL_MAX_PORTS
export ERL_MAX_ETS_TABLES
export CONTRIB_MODULES_PATH
export CONTRIB_MODULES_CONF_DIR
export ERL_LIBS
shell_escape_str()
{
if test $# -eq 0; then
printf '"" '
else
shell_escape "$@"
fi
}
shell_escape()
{
local RES=()
for i in "$@"; do
if test -z "$i"; then
printf '"" '
else
printf '%q ' "$i"
fi
done
}
# start server
start()
{
check_start
CMD="`shell_escape \"$ERL\" \"$NAME\" \"$ERLANG_NODE\"` \
-noinput -detached \
$MNESIA_OPTS \
$KERNEL_OPTS \
$EJABBERD_OPTS \
-s ejabberd \
$ERLANG_OPTS \
`shell_escape \"${ARGS[@]}\" \"$@\"`"
$EXEC_CMD "$CMD"
}
# attach to server
debug()
{
debugwarning
NID=$(uid debug)
CMD="`shell_escape \"$ERL\" \"$NAME\" \"$NID\"` \
-remsh $ERLANG_NODE \
-hidden \
$KERNEL_OPTS \
$ERLANG_OPTS \
`shell_escape \"${ARGS[@]}\" \"$@\"`"
$EXEC_CMD "$CMD"
}
# attach to server using Elixir
iexdebug()
{
debugwarning
# Elixir shell is hidden as default
NID=$(uid debug)
CMD="`shell_escape \"$IEX\" \"$IEXNAME\" \"$NID\"` \
-remsh $ERLANG_NODE \
--erl `shell_escape \"$KERNEL_OPTS\"` \
--erl `shell_escape \"$ERLANG_OPTS\"` \
--erl `shell_escape \"${ARGS[@]}\"` \
--erl `shell_escape_str \"$@\"`"
$EXEC_CMD "ERL_PATH=$\"$ERL\" $CMD"
}
# start interactive server
live()
{
livewarning
CMD="`shell_escape \"$ERL\" \"$NAME\" \"${ERLANG_NODE}\"` \
$MNESIA_OPTS \
$KERNEL_OPTS \
$EJABBERD_OPTS \
-s ejabberd \
$ERLANG_OPTS \
`shell_escape \"${ARGS[@]}\" \"$@\"`"
$EXEC_CMD "$CMD"
}
# start interactive server with Elixir
iexlive()
{
livewarning
echo $@
CMD="`shell_escape \"$IEX\" \"$IEXNAME\" \"${ERLANG_NODE}\"` \
--erl \"-mnesia dir \\\"$SPOOL_DIR\\\"\" \
--erl \"`shell_escape \"$KERNEL_OPTS\"`\" \
--erl \"`shell_escape \"$EJABBERD_OPTS\"`\" \
--app ejabberd \
--erl `shell_escape \"$ERLANG_OPTS\"` \
--erl `shell_escape \"${ARGS[@]}\"` \
--erl `shell_escape_str \"$@\"`"
$EXEC_CMD "ERL_PATH=\"$ERL\" $CMD"
}
# start server in the foreground
foreground()
{
check_start
CMD="`shell_escape \"$ERL\" \"$NAME\" \"$ERLANG_NODE\"` \
-noinput \
$MNESIA_OPTS \
$KERNEL_OPTS \
$EJABBERD_OPTS \
-s ejabberd \
$ERLANG_OPTS \
`shell_escape \"${ARGS[@]}\" \"$@\"`"
$EXEC_CMD "$CMD"
}
debugwarning()
{
if [ "$EJABBERD_BYPASS_WARNINGS" != "true" ] ; then
echo "--------------------------------------------------------------------"
echo ""
echo "IMPORTANT: we will attempt to attach an INTERACTIVE shell"
echo "to an already running ejabberd node."
echo "If an ERROR is printed, it means the connection was not successful."
echo "You can interact with the ejabberd node if you know how to use it."
echo "Please be extremely cautious with your actions,"
echo "and exit immediately if you are not completely sure."
echo ""
echo "To detach this shell from ejabberd, press:"
echo " control+c, control+c"
echo ""
echo "--------------------------------------------------------------------"
echo "To bypass permanently this warning, add to ejabberdctl.cfg the line:"
echo " EJABBERD_BYPASS_WARNINGS=true"
echo "Press return to continue"
read foo
echo ""
fi
}
livewarning()
{
check_start
if [ "$EJABBERD_BYPASS_WARNINGS" != "true" ] ; then
echo "--------------------------------------------------------------------"
echo ""
echo "IMPORTANT: ejabberd is going to start in LIVE (interactive) mode."
echo "All log messages will be shown in the command shell."
echo "You can interact with the ejabberd node if you know how to use it."
echo "Please be extremely cautious with your actions,"
echo "and exit immediately if you are not completely sure."
echo ""
echo "To exit this LIVE mode and stop ejabberd, press:"
echo " q(). and press the Enter key"
echo ""
echo "--------------------------------------------------------------------"
echo "To bypass permanently this warning, add to ejabberdctl.cfg the line:"
echo " EJABBERD_BYPASS_WARNINGS=true"
echo "Press return to continue"
read foo
echo ""
fi
}
etop()
{
NID=$(uid top)
$EXEC_CMD "$ERL \
$NAME $NID \
-hidden -s etop -s erlang halt -output text -node $ERLANG_NODE"
}
ping()
{
[ -z "$1" ] && PEER=${ERLANG_NODE} || PEER=$1
if [ "$PEER" = "${PEER%.*}" ] ; then
PING_NAME="-sname"
PING_NODE=$(hostname -s)
else
PING_NAME="-name"
PING_NODE=$(hostname)
fi
NID=$(uid ping ${PING_NODE})
$EXEC_CMD "$ERL \
$PING_NAME $NID \
-hidden $KERNEL_OPTS $ERLANG_OPTS \
-eval 'io:format(\"~p~n\",[net_adm:ping('\"'\"'$PEER'\"'\"')])' \
-s erlang halt -output text -noinput"
}
help()
{
echo ""
echo "Commands to start an ejabberd node:"
echo " start Start an ejabberd node in server mode"
echo " debug Attach an interactive Erlang shell to a running ejabberd node"
echo " iexdebug Attach an interactive Elixir shell to a running ejabberd node"
echo " live Start an ejabberd node in live (interactive) mode"
echo " iexlive Start an ejabberd node in live (interactive) mode, within an Elixir shell"
echo " foreground Start an ejabberd node in server mode (attached)"
echo ""
echo "Optional parameters when starting an ejabberd node:"
echo " --config-dir dir Config ejabberd: $ETC_DIR"
echo " --config file Config ejabberd: $EJABBERD_CONFIG_PATH"
echo " --ctl-config file Config ejabberdctl: $EJABBERDCTL_CONFIG_PATH"
echo " --logs dir Directory for logs: $LOGS_DIR"
echo " --spool dir Database spool dir: $SPOOL_DIR"
echo " --node nodename ejabberd node name: $ERLANG_NODE"
echo ""
}
# common control function
ctl()
{
NID=$(uid ctl)
CMD="`shell_escape \"$ERL\" \"$NAME\" \"$NID\"` \
-noinput -hidden $KERNEL_OPTS -s ejabberd_ctl \
-extra `shell_escape \"$ERLANG_NODE\"` $EJABBERD_NO_TIMEOUT \
`shell_escape \"$@\"`"
$EXEC_CMD "$CMD"
result=$?
case $result in
2) help;;
3) help;;
*) :;;
esac
return $result
}
uid()
{
uuid=$(uuidgen 2>/dev/null)
[ -z "$uuid" -a -f /proc/sys/kernel/random/uuid ] && uuid=$(</proc/sys/kernel/random/uuid)
[ -z "$uuid" ] && uuid=$(printf "%X" $RANDOM$(date +%M%S)$$)
uuid=${uuid%%-*}
[ $# -eq 0 ] && echo ${uuid}-${ERLANG_NODE}
[ $# -eq 1 ] && echo ${uuid}-${1}-${ERLANG_NODE}
[ $# -eq 2 ] && echo ${uuid}-${1}@${2}
}
# stop epmd if there is no other running node
stop_epmd()
{
"$EPMD" -names 2>/dev/null | grep -q name || "$EPMD" -kill >/dev/null
}
# make sure node not already running and node name unregistered
check_start()
{
"$EPMD" -names 2>/dev/null | grep -q " ${ERLANG_NODE%@*} " && {
ps ux | grep -v grep | grep -q " $ERLANG_NODE " && {
echo "ERROR: The ejabberd node '$ERLANG_NODE' is already running."
exit 4
} || {
ps ux | grep -v grep | grep -q beam && {
echo "ERROR: The ejabberd node '$ERLANG_NODE' is registered,"
echo " but no related beam process has been found."
echo "Shutdown all other erlang nodes, and call 'epmd -kill'."
exit 5
} || {
"$EPMD" -kill >/dev/null
}
}
}
}
# allow sync calls
wait_for_status()
{
# args: status try delay
# return: 0 OK, 1 KO
timeout=$2
status=4
while [ $status -ne $1 ] ; do
sleep $3
timeout=`expr $timeout - 1`
[ $timeout -eq 0 ] && {
status=$1
} || {
ctl status > /dev/null
status=$?
}
done
[ $timeout -eq 0 ] && return 1 || return 0
}
# main handler
case "${ARGS[0]}" in
'start') start;;
'debug') debug;;
'iexdebug') iexdebug;;
'live') live;;
'iexlive') iexlive;;
'foreground') foreground;;
'ping'*) ping ${ARGS[1]};;
'etop') etop;;
'started') wait_for_status 0 30 2;; # wait 30x2s before timeout
'stopped') wait_for_status 3 15 2 && stop_epmd;; # wait 15x2s before timeout
*) ctl "${ARGS[@]}";;
esac
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