mirror of
https://github.com/processone/ejabberd.git
synced 2024-12-22 17:28:25 +01:00
12d9d97baa
Some distributions (such as Fedora) use /sbin/nologin as the login shell for the ejabberd user. The newer version of ejabberdctl uses su to perform the command if the INSTALLUSER invokes the script. This commit adjusts the call to su so that it passes /bin/sh as the shell to use so that it will work correctly when the ejabberd user's shell is set to nologin. Signed-off-by: Randy Barlow <randy@electronsweatshop.com>
317 lines
10 KiB
Bash
Executable File
317 lines
10 KiB
Bash
Executable File
#!/bin/sh
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# define default configuration
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POLL=true
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SMP=auto
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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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SCRIPT_DIR=$(cd "${0%/*}" && pwd)
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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 "$INSTALLUSER" ] ; then
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EXEC_CMD="as_install_user"
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else
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EXEC_CMD="as_current_user"
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echo "WARNING: This is not recommended to run ejabberd as root" >&2
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fi
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;;
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*)
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if [ -n "$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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for arg; do
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case $arg in
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-n|--node) ERLANG_NODE_ARG=$2; shift;;
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-s|--spool) SPOOL_DIR=$2; shift;;
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-l|--logs) LOGS_DIR=$2; shift;;
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-f|--config) EJABBERD_CONFIG_PATH=$2; shift;;
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-c|--ctl-config) EJABBERDCTL_CONFIG_PATH=$2; shift;;
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-d|--config-dir) ETC_DIR=$2; shift;;
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-t|--no-timeout) NO_TIMEOUT="--no-timeout";;
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--) :;;
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*) break;;
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esac
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shift
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done
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# define ejabberd variables if not already defined from the command line
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: "${ETC_DIR:="{{sysconfdir}}/ejabberd"}"
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: "${LOGS_DIR:="{{localstatedir}}/log/ejabberd"}"
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: "${SPOOL_DIR:="{{localstatedir}}/lib/ejabberd"}"
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: "${EJABBERD_CONFIG_PATH:="$ETC_DIR/ejabberd.yml"}"
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: "${EJABBERDCTL_CONFIG_PATH:="$ETC_DIR/ejabberdctl.cfg"}"
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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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: "${EJABBERD_DOC_PATH:="{{docdir}}"}"
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: "${EJABBERD_LOG_PATH:="$LOGS_DIR/ejabberd.log"}"
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# define erl parameters
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ERLANG_OPTS="+K $POLL -smp $SMP +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" -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 $INET_DIST_INTERFACE2"
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fi
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fi
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ERL_LIBS={{libdir}}
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ERL_CRASH_DUMP="$LOGS_DIR"/erl_crash_$(date "+%Y%m%d-%H%M%S").dump
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ERL_INETRC="$ETC_DIR"/inetrc
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# define ejabberd parameters
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EJABBERD_OPTS="$EJABBERD_OPTS\
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$(sed '/^log_rate_limit/!d;s/:[ \t]*\([0-9]*\).*/ \1/;s/^/ /' "$EJABBERD_CONFIG_PATH")\
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$(sed '/^log_rotate_size/!d;s/:[ \t]*\([0-9]*\).*/ \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_rotate_date/!d;s/:[ \t]*\(.[^ ]*\).*/ \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_DOC_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_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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# 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 '"$0" "$@"' "$INSTALLUSER" -- "$@" ;;
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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 input
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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 input
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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 an ejabberd node in server mode"
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echo " debug Attach an interactive Erlang shell to a running ejabberd node"
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echo " iexdebug Attach an interactive Elixir shell to a running ejabberd node"
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echo " live Start an ejabberd node in live (interactive) mode"
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echo " iexlive Start an ejabberd node in live (interactive) mode, within an Elixir shell"
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echo " foreground Start an ejabberd node in server mode (attached)"
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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: $ETC_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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[ -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:-$$}$(date +%M%S)")
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uuid=${uuid%%-*}
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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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"$EPMD" -names 2>/dev/null | grep -q name || "$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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"$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" $EJABBERD_OPTS -noinput -detached
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;;
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foreground)
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check_start
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exec_erl "$ERLANG_NODE" $EJABBERD_OPTS -noinput
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;;
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live)
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livewarning
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check_start
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exec_erl "$ERLANG_NODE" $EJABBERD_OPTS
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;;
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debug)
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debugwarning
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exec_erl "$(uid debug)" -hidden -remsh "$ERLANG_NODE"
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;;
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etop)
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exec_erl "$(uid top)" -hidden -node "$ERLANG_NODE" -s etop \
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-s erlang halt -output text
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;;
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iexdebug)
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debugwarning
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exec_iex "$(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 "$EJABBERD_OPTS" --app ejabberd
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;;
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ping)
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PEER=${2:-$ERLANG_NODE}
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[ "$PEER" = "${PEER%.*}" ] && PS="-s"
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exec_cmd "$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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wait_status 0 30 2 # wait 30x2s before timeout
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;;
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stopped)
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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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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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