mirror of
https://github.com/processone/ejabberd.git
synced 2024-12-22 17:28:25 +01:00
348 lines
12 KiB
Bash
Executable File
348 lines
12 KiB
Bash
Executable File
#!/bin/sh
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# define default configuration
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POLL=true
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ERL_MAX_PORTS=32000
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ERL_PROCESSES=250000
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ERL_MAX_ETS_TABLES=1400
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FIREWALL_WINDOW=""
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INET_DIST_INTERFACE=""
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ERLANG_NODE=ejabberd@localhost
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# define default environment variables
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[ -z "$SCRIPT" ] && SCRIPT=$0
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SCRIPT_DIR="$(cd "$(dirname "$SCRIPT")" && pwd -P)"
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# shellcheck disable=SC2034
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ERTS_VSN="{{erts_vsn}}"
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ERL="{{erl}}"
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IEX="{{bindir}}/iex"
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EPMD="{{epmd}}"
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INSTALLUSER="{{installuser}}"
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# check the proper system user is used
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case $(id -un) in
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"$INSTALLUSER")
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EXEC_CMD="as_current_user"
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;;
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root)
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if [ -n "$INSTALLUSER" ] ; then
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EXEC_CMD="as_install_user"
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else
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EXEC_CMD="as_current_user"
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echo "WARNING: It is not recommended to run ejabberd as root" >&2
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fi
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;;
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*)
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if [ -n "$INSTALLUSER" ] ; then
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echo "ERROR: This command can only be run by root or the user $INSTALLUSER" >&2
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exit 7
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else
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EXEC_CMD="as_current_user"
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fi
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;;
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esac
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# parse command line parameters
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while [ $# -gt 0 ]; do
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case $1 in
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-n|--node) ERLANG_NODE_ARG=$2; shift 2;;
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-s|--spool) SPOOL_DIR=$2; shift 2;;
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-l|--logs) LOGS_DIR=$2; shift 2;;
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-f|--config) EJABBERD_CONFIG_PATH=$2; shift 2;;
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-c|--ctl-config) EJABBERDCTL_CONFIG_PATH=$2; shift 2;;
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-d|--config-dir) CONFIG_DIR=$2; shift 2;;
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-t|--no-timeout) NO_TIMEOUT="--no-timeout"; shift;;
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*) break;;
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esac
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done
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# define ejabberd variables if not already defined from the command line
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: "${CONFIG_DIR:="{{config_dir}}"}"
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: "${LOGS_DIR:="{{logs_dir}}"}"
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: "${EJABBERD_CONFIG_PATH:="$CONFIG_DIR/ejabberd.yml"}"
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: "${EJABBERDCTL_CONFIG_PATH:="$CONFIG_DIR/ejabberdctl.cfg"}"
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# Allows passing extra Erlang command-line arguments in vm.args file
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: "${VMARGS:="$CONFIG_DIR/vm.args"}"
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# shellcheck source=ejabberdctl.cfg.example
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[ -f "$EJABBERDCTL_CONFIG_PATH" ] && . "$EJABBERDCTL_CONFIG_PATH"
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[ -n "$ERLANG_NODE_ARG" ] && ERLANG_NODE="$ERLANG_NODE_ARG"
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[ "$ERLANG_NODE" = "${ERLANG_NODE%.*}" ] && S="-s"
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: "${SPOOL_DIR:="{{spool_dir}}"}"
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: "${EJABBERD_LOG_PATH:="$LOGS_DIR/ejabberd.log"}"
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# define erl parameters
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ERLANG_OPTS="+K $POLL +P $ERL_PROCESSES $ERL_OPTIONS"
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if [ -n "$FIREWALL_WINDOW" ] ; then
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ERLANG_OPTS="$ERLANG_OPTS -kernel inet_dist_listen_min ${FIREWALL_WINDOW%-*} inet_dist_listen_max ${FIREWALL_WINDOW#*-}"
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fi
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if [ -n "$INET_DIST_INTERFACE" ] ; then
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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)
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if [ -n "$INET_DIST_INTERFACE2" ] ; then
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ERLANG_OPTS="$ERLANG_OPTS -kernel inet_dist_use_interface $INET_DIST_INTERFACE2"
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fi
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fi
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[ -n "$ERL_DIST_PORT" ] && ERLANG_OPTS="$ERLANG_OPTS -erl_epmd_port $ERL_DIST_PORT -start_epmd false"
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# if vm.args file exists in config directory, pass it to Erlang VM
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[ -f "$VMARGS" ] && ERLANG_OPTS="$ERLANG_OPTS -args_file $VMARGS"
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ERL_LIBS='{{libdir}}'
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ERL_CRASH_DUMP="$LOGS_DIR"/erl_crash_$(date "+%Y%m%d-%H%M%S").dump
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ERL_INETRC="$CONFIG_DIR"/inetrc
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# define ejabberd parameters
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EJABBERD_OPTS="$EJABBERD_OPTS\
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$(sed '/^log_rotate_size/!d;s/:[ \t]*\([0-9]\{1,\}\).*/ \1/;s/:[ \t]*\(infinity\).*/ \1/;s/^/ /' "$EJABBERD_CONFIG_PATH")\
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$(sed '/^log_rotate_count/!d;s/:[ \t]*\([0-9]*\).*/ \1/;s/^/ /' "$EJABBERD_CONFIG_PATH")\
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$(sed '/^log_burst_limit_count/!d;s/:[ \t]*\([0-9]*\).*/ \1/;s/^/ /' "$EJABBERD_CONFIG_PATH")\
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$(sed '/^log_burst_limit_window_time/!d;s/:[ \t]*\([0-9]*[a-z]*\).*/ \1/;s/^/ /' "$EJABBERD_CONFIG_PATH")"
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[ -n "$EJABBERD_OPTS" ] && EJABBERD_OPTS="-ejabberd $EJABBERD_OPTS"
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EJABBERD_OPTS="-mnesia dir \"$SPOOL_DIR\" $MNESIA_OPTIONS $EJABBERD_OPTS -s ejabberd"
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# export global variables
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export EJABBERD_CONFIG_PATH
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export EJABBERD_LOG_PATH
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export EJABBERD_PID_PATH
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export ERL_CRASH_DUMP
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export ERL_EPMD_ADDRESS
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export ERL_DIST_PORT
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export ERL_INETRC
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export ERL_MAX_PORTS
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export ERL_MAX_ETS_TABLES
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export CONTRIB_MODULES_PATH
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export CONTRIB_MODULES_CONF_DIR
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export ERL_LIBS
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export SCRIPT_DIR
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set_dist_client()
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{
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[ -n "$ERL_DIST_PORT" ] && ERLANG_OPTS="$ERLANG_OPTS -dist_listen false"
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}
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# run command either directly or via su $INSTALLUSER
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exec_cmd()
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{
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case $EXEC_CMD in
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as_install_user) su -s /bin/sh -c 'exec "$0" "$@"' "$INSTALLUSER" -- "$@" ;;
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as_current_user) "$@" ;;
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esac
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}
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exec_erl()
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{
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NODE=$1; shift
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exec_cmd "$ERL" ${S:--}name "$NODE" $ERLANG_OPTS "$@"
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}
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exec_iex()
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{
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NODE=$1; shift
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exec_cmd "$IEX" -${S:--}name "$NODE" --erl "$ERLANG_OPTS" "$@"
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}
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# usage
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debugwarning()
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{
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if [ "$EJABBERD_BYPASS_WARNINGS" != "true" ] ; then
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echo "--------------------------------------------------------------------"
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echo ""
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echo "IMPORTANT: we will attempt to attach an INTERACTIVE shell"
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echo "to an already running ejabberd node."
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echo "If an ERROR is printed, it means the connection was not successful."
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echo "You can interact with the ejabberd node if you know how to use it."
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echo "Please be extremely cautious with your actions,"
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echo "and exit immediately if you are not completely sure."
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echo ""
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echo "To detach this shell from ejabberd, press:"
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echo " control+c, control+c"
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echo ""
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echo "--------------------------------------------------------------------"
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echo "To bypass permanently this warning, add to ejabberdctl.cfg the line:"
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echo " EJABBERD_BYPASS_WARNINGS=true"
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echo "Press return to continue"
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read -r _
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echo ""
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fi
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}
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livewarning()
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{
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if [ "$EJABBERD_BYPASS_WARNINGS" != "true" ] ; then
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echo "--------------------------------------------------------------------"
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echo ""
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echo "IMPORTANT: ejabberd is going to start in LIVE (interactive) mode."
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echo "All log messages will be shown in the command shell."
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echo "You can interact with the ejabberd node if you know how to use it."
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echo "Please be extremely cautious with your actions,"
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echo "and exit immediately if you are not completely sure."
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echo ""
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echo "To exit this LIVE mode and stop ejabberd, press:"
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echo " q(). and press the Enter key"
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echo ""
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echo "--------------------------------------------------------------------"
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echo "To bypass permanently this warning, add to ejabberdctl.cfg the line:"
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echo " EJABBERD_BYPASS_WARNINGS=true"
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echo "Press return to continue"
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read -r _
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echo ""
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fi
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}
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help()
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{
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echo ""
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echo "Commands to start an ejabberd node:"
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echo " start Start in server mode"
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echo " foreground Start in server mode (attached)"
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echo " foreground-quiet Start in server mode (attached), show only critical messages"
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echo " live Start in interactive mode, with Erlang shell"
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echo " iexlive Start in interactive mode, with Elixir shell"
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echo ""
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echo "Commands to interact with a running ejabberd node:"
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echo " debug Attach an interactive Erlang shell to a running node"
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echo " iexdebug Attach an interactive Elixir shell to a running node"
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echo " etop Attach to a running node and start Erlang Top"
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echo " ping Send ping to the node, returns pong or pang"
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echo " started|stopped Wait for the node to fully start|stop"
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echo ""
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echo "Optional parameters when starting an ejabberd node:"
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echo " --config-dir dir Config ejabberd: $CONFIG_DIR"
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echo " --config file Config ejabberd: $EJABBERD_CONFIG_PATH"
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echo " --ctl-config file Config ejabberdctl: $EJABBERDCTL_CONFIG_PATH"
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echo " --logs dir Directory for logs: $LOGS_DIR"
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echo " --spool dir Database spool dir: $SPOOL_DIR"
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echo " --node nodename ejabberd node name: $ERLANG_NODE"
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echo ""
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}
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# dynamic node name helper
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uid()
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{
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uuid=$(uuidgen 2>/dev/null)
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random=$(awk 'BEGIN { srand(); print int(rand()*32768) }' /dev/null)
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[ -z "$uuid" ] && [ -f /proc/sys/kernel/random/uuid ] && uuid=$(cat /proc/sys/kernel/random/uuid)
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[ -z "$uuid" ] && uuid=$(printf "%X" "${random:-$$}$(date +%M%S)")
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uuid=$(printf '%s' $uuid | sed 's/^\(...\).*$/\1/')
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[ $# -eq 0 ] && echo "${uuid}-${ERLANG_NODE}"
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[ $# -eq 1 ] && echo "${uuid}-${1}-${ERLANG_NODE}"
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[ $# -eq 2 ] && echo "${uuid}-${1}@${2}"
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}
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# stop epmd if there is no other running node
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stop_epmd()
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{
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[ -n "$ERL_DIST_PORT" ] && return
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"$EPMD" -names 2>/dev/null | grep -q name || "$EPMD" -kill >/dev/null
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}
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# make sure node not already running and node name unregistered
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# if all ok, ensure runtime directory exists and make it current directory
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check_start()
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{
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[ -n "$ERL_DIST_PORT" ] && return
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"$EPMD" -names 2>/dev/null | grep -q " ${ERLANG_NODE%@*} " && {
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pgrep -f "$ERLANG_NODE" >/dev/null && {
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echo "ERROR: The ejabberd node '$ERLANG_NODE' is already running."
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exit 4
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}
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pgrep beam >/dev/null && {
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echo "ERROR: The ejabberd node '$ERLANG_NODE' is registered,"
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echo " but no related beam process has been found."
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echo "Shutdown all other erlang nodes, and call 'epmd -kill'."
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exit 5
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}
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"$EPMD" -kill >/dev/null
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}
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}
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# allow sync calls
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wait_status()
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{
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# args: status try delay
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# return: 0 OK, 1 KO
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timeout="$2"
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status=4
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while [ "$status" -ne "$1" ] ; do
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sleep "$3"
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timeout=$((timeout - 1))
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if [ $timeout -eq 0 ] ; then
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status="$1"
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else
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exec_erl "$(uid ctl)" -hidden -noinput -s ejabberd_ctl \
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-extra "$ERLANG_NODE" $NO_TIMEOUT status > /dev/null
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status="$?"
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fi
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done
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[ $timeout -gt 0 ]
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}
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# ensure we can change current directory to SPOOL_DIR
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[ -d "$SPOOL_DIR" ] || exec_cmd mkdir -p "$SPOOL_DIR"
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cd "$SPOOL_DIR" || {
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echo "ERROR: can not access directory $SPOOL_DIR"
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exit 6
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}
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# main
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case $1 in
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start)
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check_start
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exec_erl "$ERLANG_NODE" $EJABBERD_OPTS -detached
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;;
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foreground)
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check_start
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exec_erl "$ERLANG_NODE" $EJABBERD_OPTS -noinput
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;;
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foreground-quiet)
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check_start
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exec_erl "$ERLANG_NODE" $EJABBERD_OPTS -noinput -ejabberd quiet true
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;;
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live)
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livewarning
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check_start
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exec_erl "$ERLANG_NODE" $EJABBERD_OPTS
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;;
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debug)
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debugwarning
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set_dist_client
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exec_erl "$(uid debug)" -hidden -remsh "$ERLANG_NODE"
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;;
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etop)
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set_dist_client
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exec_erl "$(uid top)" -hidden -node "$ERLANG_NODE" -s etop \
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-s erlang halt -output text
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;;
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iexdebug)
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debugwarning
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set_dist_client
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exec_iex "$(uid debug)" --remsh "$ERLANG_NODE"
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;;
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iexlive)
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livewarning
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exec_iex "$ERLANG_NODE" --erl "$EJABBERD_OPTS"
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;;
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ping)
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PEER=${2:-$ERLANG_NODE}
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[ "$PEER" = "${PEER%.*}" ] && PS="-s"
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set_dist_client
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exec_cmd "$ERL" ${PS:--}name "$(uid ping "$(hostname $PS)")" $ERLANG_OPTS \
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-noinput -hidden -eval 'io:format("~p~n",[net_adm:ping('"'$PEER'"')])' \
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-s erlang halt -output text
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;;
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started)
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set_dist_client
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wait_status 0 30 2 # wait 30x2s before timeout
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;;
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stopped)
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set_dist_client
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wait_status 3 30 2 && stop_epmd # wait 30x2s before timeout
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;;
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*)
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set_dist_client
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exec_erl "$(uid ctl)" -hidden -noinput -s ejabberd_ctl \
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-extra "$ERLANG_NODE" $NO_TIMEOUT "$@"
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result=$?
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case $result in
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2|3) help;;
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*) :;;
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esac
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exit $result
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;;
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esac
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