Chapril/xmpp.chapril.org-ejabberd
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xmpp.chapril.org-ejabberd/ejabberdctl.template

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#!/bin/sh
# define default configuration
POLL=true
ERL_MAX_PORTS=32000
ERL_PROCESSES=250000
ERL_MAX_ETS_TABLES=1400
FIREWALL_WINDOW=""
INET_DIST_INTERFACE=""
ERLANG_NODE=ejabberd@localhost
# define default environment variables
[ -z "$SCRIPT" ] && SCRIPT=$0
SCRIPT_DIR="$(cd "$(dirname "$SCRIPT")" && pwd -P)"
# shellcheck disable=SC2034
ERTS_VSN="{{erts_vsn}}"
ERL="{{erl}}"
EPMD="{{epmd}}"
IEX="{{iexpath}}"
INSTALLUSER="{{installuser}}"
# check the proper system user is used
case $(id -un) in
"$INSTALLUSER")
EXEC_CMD="as_current_user"
;;
root)
if [ -n "$INSTALLUSER" ] ; then
EXEC_CMD="as_install_user"
else
EXEC_CMD="as_current_user"
echo "WARNING: It is not recommended to run ejabberd as root" >&2
fi
;;
*)
if [ -n "$INSTALLUSER" ] ; then
echo "ERROR: This command can only be run by root or the user $INSTALLUSER" >&2
exit 7
else
EXEC_CMD="as_current_user"
fi
;;
esac
# parse command line parameters
while [ $# -gt 0 ]; do
case $1 in
-n|--node) ERLANG_NODE_ARG=$2; shift 2;;
-s|--spool) SPOOL_DIR=$2; shift 2;;
-l|--logs) LOGS_DIR=$2; shift 2;;
-f|--config) EJABBERD_CONFIG_PATH=$2; shift 2;;
-c|--ctl-config) EJABBERDCTL_CONFIG_PATH=$2; shift 2;;
-d|--config-dir) CONFIG_DIR=$2; shift 2;;
-t|--no-timeout) NO_TIMEOUT="--no-timeout"; shift;;
*) break;;
esac
done
# define ejabberd variables if not already defined from the command line
: "${CONFIG_DIR:="{{config_dir}}"}"
: "${LOGS_DIR:="{{logs_dir}}"}"
: "${EJABBERD_CONFIG_PATH:="$CONFIG_DIR/ejabberd.yml"}"
: "${EJABBERDCTL_CONFIG_PATH:="$CONFIG_DIR/ejabberdctl.cfg"}"
# Allows passing extra Erlang command-line arguments in vm.args file
: "${VMARGS:="$CONFIG_DIR/vm.args"}"
# shellcheck source=ejabberdctl.cfg.example
[ -f "$EJABBERDCTL_CONFIG_PATH" ] && . "$EJABBERDCTL_CONFIG_PATH"
[ -n "$ERLANG_NODE_ARG" ] && ERLANG_NODE="$ERLANG_NODE_ARG"
[ "$ERLANG_NODE" = "${ERLANG_NODE%.*}" ] && S="-s"
: "${SPOOL_DIR:="{{spool_dir}}"}"
: "${EJABBERD_LOG_PATH:="$LOGS_DIR/ejabberd.log"}"
# define erl parameters
ERLANG_OPTS="+K $POLL +P $ERL_PROCESSES $ERL_OPTIONS"
if [ -n "$FIREWALL_WINDOW" ] ; then
ERLANG_OPTS="$ERLANG_OPTS -kernel inet_dist_listen_min ${FIREWALL_WINDOW%-*} inet_dist_listen_max ${FIREWALL_WINDOW#*-}"
fi
if [ -n "$INET_DIST_INTERFACE" ] ; then
INET_DIST_INTERFACE2=$("$ERL" $ERLANG_OPTS -noshell -eval 'case inet:parse_address("'$INET_DIST_INTERFACE'") of {ok,IP} -> io:format("~p",[IP]); _ -> ok end.' -s erlang halt)
if [ -n "$INET_DIST_INTERFACE2" ] ; then
ERLANG_OPTS="$ERLANG_OPTS -kernel inet_dist_use_interface $INET_DIST_INTERFACE2"
fi
fi
[ -n "$ERL_DIST_PORT" ] && ERLANG_OPTS="$ERLANG_OPTS -erl_epmd_port $ERL_DIST_PORT -start_epmd false"
# if vm.args file exists in config directory, pass it to Erlang VM
[ -f "$VMARGS" ] && ERLANG_OPTS="$ERLANG_OPTS -args_file $VMARGS"
ERL_LIBS='{{libdir}}'
ERL_CRASH_DUMP="$LOGS_DIR"/erl_crash_$(date "+%Y%m%d-%H%M%S").dump
ERL_INETRC="$CONFIG_DIR"/inetrc
# define ejabberd parameters
EJABBERD_OPTS="\
$(sed '/^log_rotate_size/!d;s/:[ \t]*\([0-9]\{1,\}\).*/ \1/;s/:[ \t]*\(infinity\).*/ \1 /;s/^/ /' "$EJABBERD_CONFIG_PATH")\
$(sed '/^log_rotate_count/!d;s/:[ \t]*\([0-9]*\).*/ \1 /;s/^/ /' "$EJABBERD_CONFIG_PATH")\
$(sed '/^log_burst_limit_count/!d;s/:[ \t]*\([0-9]*\).*/ \1 /;s/^/ /' "$EJABBERD_CONFIG_PATH")\
$(sed '/^log_burst_limit_window_time/!d;s/:[ \t]*\([0-9]*[a-z]*\).*/ \1 /;s/^/ /' "$EJABBERD_CONFIG_PATH")\
$EJABBERD_OPTS"
[ -n "$EJABBERD_OPTS" ] && EJABBERD_OPTS="-ejabberd $EJABBERD_OPTS"
EJABBERD_OPTS="-mnesia dir \"$SPOOL_DIR\" $MNESIA_OPTIONS $EJABBERD_OPTS -s ejabberd"
# export global variables
export EJABBERD_CONFIG_PATH
export EJABBERD_LOG_PATH
export EJABBERD_PID_PATH
export ERL_CRASH_DUMP
export ERL_EPMD_ADDRESS
export ERL_DIST_PORT
export ERL_INETRC
export ERL_MAX_PORTS
export ERL_MAX_ETS_TABLES
export CONTRIB_MODULES_PATH
export CONTRIB_MODULES_CONF_DIR
export ERL_LIBS
export SCRIPT_DIR
set_dist_client()
{
[ -n "$ERL_DIST_PORT" ] && ERLANG_OPTS="$ERLANG_OPTS -dist_listen false"
}
# run command either directly or via su $INSTALLUSER
exec_cmd()
{
case $EXEC_CMD in
as_install_user) su -s /bin/sh -c 'exec "$0" "$@"' "$INSTALLUSER" -- "$@" ;;
as_current_user) "$@" ;;
esac
}
exec_erl()
{
NODE=$1; shift
exec_cmd "$ERL" ${S:--}name "$NODE" $ERLANG_OPTS "$@"
}
exec_iex()
{
NODE=$1; shift
exec_cmd "$IEX" -${S:--}name "$NODE" --erl "$ERLANG_OPTS" "$@"
}
# usage
debugwarning()
{
if [ "$EJABBERD_BYPASS_WARNINGS" != "true" ] ; then
echo "--------------------------------------------------------------------"
echo ""
echo "IMPORTANT: we will attempt to attach an INTERACTIVE shell"
echo "to an already running ejabberd node."
echo "If an ERROR is printed, it means the connection was not successful."
echo "You can interact with the ejabberd node if you know how to use it."
echo "Please be extremely cautious with your actions,"
echo "and exit immediately if you are not completely sure."
echo ""
echo "To exit and detach this shell from ejabberd, press:"
echo " control+g and then q"
echo ""
#vt100 echo "Please do NOT use control+c in this debug shell !"
#vt100 echo ""
echo "--------------------------------------------------------------------"
echo "To bypass permanently this warning, add to ejabberdctl.cfg the line:"
echo " EJABBERD_BYPASS_WARNINGS=true"
echo "Press return to continue"
read -r _
echo ""
fi
}
livewarning()
{
if [ "$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 and detach this shell from ejabberd, press:"
echo " control+g and then q"
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 -r _
echo ""
fi
}
check_etop_result()
{
result=$?
if [ $result -eq 1 ] ; then
echo ""
echo "It seems there was some problem running 'ejabberdctl etop'."
echo "Is the error message something like this?"
echo " Failed to load module 'etop' because it cannot be found..."
echo "Then probably ejabberd was compiled with development tools disabled."
echo "To use 'etop', recompile ejabberd with: ./configure --enable-tools"
echo ""
exit $result
fi
}
check_iex_result()
{
result=$?
if [ $result -eq 127 ] ; then
echo ""
echo "It seems there was some problem finding 'iex' binary from Elixir."
echo "Probably ejabberd was compiled with Rebar3 and Elixir disabled, like:"
echo " ./configure"
echo "which is equivalent to:"
echo " ./configure --with-rebar=rebar3 --disable-elixir"
echo "To use 'iex', recompile ejabberd enabling Elixir or using Mix:"
echo " ./configure --enable-elixir"
echo " ./configure --with-rebar=mix"
echo ""
exit $result
fi
}
help()
{
echo ""
echo "Commands to start an ejabberd node:"
echo " start Start in server mode"
echo " foreground Start in server mode (attached)"
echo " foreground-quiet Start in server mode (attached), show only critical messages"
echo " live Start in interactive mode, with Erlang shell"
echo " iexlive Start in interactive mode, with Elixir shell"
echo ""
echo "Commands to interact with a running ejabberd node:"
echo " debug Attach an interactive Erlang shell to a running node"
echo " iexdebug Attach an interactive Elixir shell to a running node"
echo " etop Attach to a running node and start Erlang Top"
echo " ping Send ping to the node, returns pong or pang"
echo " started|stopped Wait for the node to fully start|stop"
echo ""
echo "Optional parameters when starting an ejabberd node:"
echo " --config-dir dir Config ejabberd: $CONFIG_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: $ERLANG_NODE"
echo ""
}
# dynamic node name helper
uid() {
ERTSVERSION="$("$ERL" -version 2>&1 | sed 's|.*\([0-9][0-9]\).*|\1|g')"
if [ $ERTSVERSION -lt 11 ] ; then # otp 23.0 includes erts 11.0
# Erlang/OTP lower than 23, which doesn's support dynamic node code
N=1
PF=$(( $$ % 97 ))
while
case $# in
0) NN="${PF}-${N}-${ERLANG_NODE}"
;;
1) NN="${PF}-${N}-${1}-${ERLANG_NODE}"
;;
2) NN="${PF}-${N}-${1}@${2}"
;;
esac
N=$(( N + 1 + ( $$ % 5 ) ))
"$EPMD" -names 2>/dev/null | grep -q " ${NN%@*} "
do :; done
echo $NN
else
# Erlang/OTP 23 or higher: use native dynamic node code
# https://www.erlang.org/patches/otp-23.0#OTP-13812
echo undefined
fi
}
# stop epmd if there is no other running node
stop_epmd()
{
[ -n "$ERL_DIST_PORT" ] && return
"$EPMD" -names 2>/dev/null | grep -q name || "$EPMD" -kill >/dev/null
}
# make sure node not already running and node name unregistered
# if all ok, ensure runtime directory exists and make it current directory
check_start()
{
[ -n "$ERL_DIST_PORT" ] && return
"$EPMD" -names 2>/dev/null | grep -q " ${ERLANG_NODE%@*} " && {
pgrep -f "$ERLANG_NODE" >/dev/null && {
echo "ERROR: The ejabberd node '$ERLANG_NODE' is already running."
exit 4
}
pgrep beam >/dev/null && {
echo "ERROR: The ejabberd node '$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_status()
{
# args: status try delay
# return: 0 OK, 1 KO
timeout="$2"
status=4
while [ "$status" -ne "$1" ] ; do
sleep "$3"
timeout=$((timeout - 1))
if [ $timeout -eq 0 ] ; then
status="$1"
else
exec_erl "$(uid ctl)" -hidden -noinput \
-eval 'net_kernel:connect_node('"'$ERLANG_NODE'"')' \
-s ejabberd_ctl \
-extra "$ERLANG_NODE" $NO_TIMEOUT status > /dev/null
status="$?"
fi
done
[ $timeout -gt 0 ]
}
# ensure we can change current directory to SPOOL_DIR
[ -d "$SPOOL_DIR" ] || exec_cmd mkdir -p "$SPOOL_DIR"
cd "$SPOOL_DIR" || {
echo "ERROR: can not access directory $SPOOL_DIR"
exit 6
}
# main
case $1 in
start)
check_start
exec_erl "$ERLANG_NODE" $EJABBERD_OPTS -detached
;;
foreground)
check_start
exec_erl "$ERLANG_NODE" $EJABBERD_OPTS -noinput
;;
foreground-quiet)
check_start
exec_erl "$ERLANG_NODE" $EJABBERD_OPTS -noinput -ejabberd quiet true
;;
live)
livewarning
check_start
exec_erl "$ERLANG_NODE" $EJABBERD_OPTS
;;
debug)
debugwarning
set_dist_client
exec_erl "$(uid debug)" -hidden -remsh "$ERLANG_NODE"
;;
etop)
set_dist_client
exec_erl "$(uid top)" -hidden -remsh "$ERLANG_NODE" -s etop \
-output text
check_etop_result
;;
iexdebug)
debugwarning
set_dist_client
exec_iex "$(uid debug)" --remsh "$ERLANG_NODE"
check_iex_result
;;
iexlive)
livewarning
exec_iex "$ERLANG_NODE" --erl "$EJABBERD_OPTS"
check_iex_result
;;
ping)
PEER=${2:-$ERLANG_NODE}
[ "$PEER" = "${PEER%.*}" ] && PS="-s"
set_dist_client
exec_cmd "$ERL" ${PS:--}name "$(uid ping "$(hostname $PS)")" $ERLANG_OPTS \
-noinput -hidden \
-eval 'net_kernel:connect_node('"'$PEER'"')' \
-eval 'io:format("~p~n",[net_adm:ping('"'$PEER'"')])' \
-s erlang halt -output text
;;
started)
set_dist_client
wait_status 0 30 2 # wait 30x2s before timeout
;;
stopped)
set_dist_client
wait_status 3 30 2 && stop_epmd # wait 30x2s before timeout
;;
*)
set_dist_client
exec_erl "$(uid ctl)" -hidden -noinput \
-eval 'net_kernel:connect_node('"'$ERLANG_NODE'"')' \
-s ejabberd_ctl \
-extra "$ERLANG_NODE" $NO_TIMEOUT "$@"
result=$?
case $result in
2|3) help;;
*) :;;
esac
exit $result
;;
esac
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