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363 lines
9.7 KiB
363 lines
9.7 KiB
#!/sbin/openrc-run
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# Copyright 1999-2020 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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extra_started_commands="forcestop reload"
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depend() {
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need net
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use nscd dns dahdi mysql postgresql slapd capi
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}
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is_running() {
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[ -r "${ast_rundir}/asterisk.pid" ] || return 1
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PID="$(cat "${ast_rundir}/asterisk.pid")"
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[ -d "/proc/${PID}" ] || return 1
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EXE="$(readlink -f /proc/${PID}/exe)"
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EXE="${EXE% (deleted)}" # in case asterisk got upgraded and we're still looking at an old one.
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[ "${EXE}" = /usr/sbin/asterisk ] || return 1 # pid got re-used for another process.
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# PID reported in pidfile is active, and is still an asterisk instance.
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return 0
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}
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# Sets up a few variables for us for use
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# ast_instancename: eg, asterisk when RC_SVCNAME=asterisk, or asterisk(foo) when asterisk.foo.
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# ast_rundir: directory to be used as run folder (pid and ctl files).
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# ast_spooldir:
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setup_svc_variables()
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{
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local t
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ast_instancename=asterisk
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ast_rundir=/var/run/${RC_SVCNAME}
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ast_logdir=/var/log/${RC_SVCNAME}
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ast_spooldir=/var/spool/${RC_SVCNAME}
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ast_confdir=/etc/${RC_SVCNAME/.//}
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ast_stop_timeout=120
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ast_stop_method="gracefully"
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if [ "${RC_SVCNAME}" != "asterisk" ]; then
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t="${RC_SVCNAME#asterisk.}"
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if [ "${RC_SVCNAME}" = "${t}" ]; then
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eerror "Invalid SVCNAME of ${RC_SVCNAME}, must be of the format asterisk.name."
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return 1
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fi
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ast_instancename+="(${t})"
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fi
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[ -n "${ASTERISK_RUNDIR}" ] && ast_rundir="${ASTERISK_RUNDIR}"
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[ -n "${ASTERISK_LOGDIR}" ] && ast_logdir="${ASTERISK_LOGDIR}"
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[ -n "${ASTERISK_SPOOLDIR}" ] && ast_spooldir="${ASTERISK_SPOOLDIR}"
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[ -n "${ASTERISK_CONFDIR}" ] && ast_confdir="${ASTERISK_CONFDIR}"
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[ -n "${ASTERISK_STOP_TIMEOUT}" ] && ast_stop_timeout="${ASTERISK_STOP_TIMEOUT}"
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case "${ASTERISK_STOP_METHOD}" in
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gracefully|when\ convenient|now)
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ast_stop_method="${ASTERISK_STOP_METHOD}"
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;;
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esac
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ast_group=
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if [ -n "${ASTERISK_USER}" ]; then
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ast_user="${ASTERISK_USER%%:*}"
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if [ "${ast_user}" != "${ASTERISK_USER}" ]; then
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ast_group="${ASTERISK_USER#*:}"
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ast_group="${ast_group%%:*}"
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fi
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fi
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[ -z "${ast_user}" ] && ast_user=asterisk
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ast_pgroup="$(getent group $(getent passwd "${ast_user}" | awk -F: '{ print $4 }') | sed -re 's/:.*//')"
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return 0
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}
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asterisk_run_loop() {
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local result=0 signal=0
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echo "Initializing ${ast_instancename} wrapper"
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OPTS="$*"
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trap "rm -f '${ast_rundir}/wrapper_loop.running'" EXIT
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touch "${ast_rundir}/wrapper_loop.running"
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while [ -r "${ast_rundir}/wrapper_loop.running" ]; do
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if [ -n "${TTY}" ]; then
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/usr/bin/stty -F "${TTY}" sane
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${NICE} /usr/sbin/asterisk -C "${ast_confdir}/asterisk.conf" ${OPTS} >"${TTY}" 2>&1 <"${TTY}"
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result=$?
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else
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${NICE} /usr/sbin/asterisk -C "${ast_confdir}/asterisk.conf" ${OPTS} >/dev/null 2>&1
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result=$?
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fi
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if [ "$result" -eq 0 ]; then
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echo "Asterisk terminated normally"
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break
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else
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if [ "$result" -gt 128 ]; then
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signal="$(expr "$result" - 128)"
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MSG="Asterisk terminated with Signal: $signal"
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CORE_TARGET="core-"
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yesno "${ASTERISK_CORE_USEHOSTNAME}" && CORE_TARGET+="$(hostname)-"
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CORE_TARGET+="$(date "+%Y%m%d-%H%M%S")"
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local CORE_DUMPED=0
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if [ -f "${ASTERISK_CORE_DIR}/core" ]; then
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mv "${ASTERISK_CORE_DIR}/core" \
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"${ASTERISK_CORE_DIR}/${CORE_TARGET}"
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CORE_DUMPED=1
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elif [ -f "${ASTERISK_CORE_DIR}/core.${PID}" ]; then
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mv "${ASTERISK_CORE_DIR}/core.${PID}" \
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"${ASTERISK_CORE_DIR}/${CORE_TARGET}"
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CORE_DUMPED=1
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fi
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[ $CORE_DUMPED -eq 1 ] && \
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MSG="${MSG}\n\rCore dumped: ${ASTERISK_CORE_DIR}/${CORE_TARGET}"
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else
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MSG="Asterisk terminated with return code: $result"
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fi
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# kill left-over tasks
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for X in ${ASTERISK_CLEANUP_ON_CRASH}; do
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kill -9 "$(pidof "${X}")";
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done
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fi
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[ -n "${TTY}" ] \
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&& echo "${MSG}" >"${TTY}" \
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|| echo "${MSG}"
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if [ -n "${ASTERISK_NOTIFY_EMAIL}" ] && \
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[ -x /usr/sbin/sendmail ]; then
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echo -e -n "Subject: Asterisk crashed\r\n${MSG}\r\n" |\
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/usr/sbin/sendmail "${ASTERISK_NOTIFY_EMAIL}"
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fi
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sleep "${ASTERISK_RESTART_DELAY}"
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echo "Restarting Asterisk..."
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done
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echo "Terminating wrapper loop."
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return 0
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}
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start() {
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local OPTS PID
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local tmp x
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local OPTS ARGS
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setup_svc_variables || return $?
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ebegin "Starting ${ast_instancename} PBX"
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eindent
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# filter (redundant) arguments
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OPTS="$(echo "${ASTERISK_OPTS}" | sed -re "s:-[cfF]::g")"
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# default options
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OPTS="${OPTS} -f" # don't fork / detach breaks wrapper script...
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# ensure that ASTERISK_RESTART_DELAY is integer.
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ASTERISK_RESTART_DELAY="$(echo "${ASTERISK_RESTART_DELAY}" | sed -re 's/^([0-9]*).*/\1/')"
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[ -z "${ASTERISK_RESTART_DELAY}" ] && ASTERISK_RESTART_DELAY=5
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if [ -n "${ASTERISK_CORE_SIZE}" ] &&
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[ "${ASTERISK_CORE_SIZE}" != "0" ]; then
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ulimit -c ${ASTERISK_CORE_SIZE}
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if [ -n "${ASTERISK_CORE_DIR}" ] && \
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[ ! -d "${ASTERISK_CORE_DIR}" ]
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then
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checkpath -d -m 0755 -o ${ast_user}:${ast_group} "${ASTERISK_CORE_DIR}"
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fi
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ASTERISK_CORE_DIR="${ASTERISK_CORE_DIR:-/tmp}"
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cd "${ASTERISK_CORE_DIR}"
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einfo "Core dump size : ${ASTERISK_CORE_SIZE}"
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einfo "Core dump location : ${ASTERISK_CORE_DIR}"
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OPTS="${OPTS} -g"
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fi
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if [ -n "${ASTERISK_MAX_FD}" ]; then
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ulimit -n ${ASTERISK_MAX_FD}
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einfo "Max open filedescriptors : ${ASTERISK_MAX_FD}"
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fi
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if [ -n "${ASTERISK_NICE}" ]; then
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if [ ${ASTERISK_NICE} -ge -20 ] && \
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[ ${ASTERISK_NICE} -le 19 ]; then
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einfo "Nice level : ${ASTERISK_NICE}"
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NICE="nice -n ${ASTERISK_NICE} --"
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else
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eerror "Nice value must be between -20 and 19"
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return 1
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fi
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else
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NICE=""
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fi
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if [ -n "${ASTERISK_NOTIFY_EMAIL}" ]; then
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if [ -x /usr/sbin/sendmail ]; then
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einfo "Email notifications go to : ${ASTERISK_NOTIFY_EMAIL}"
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else
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ewarn "Notifications disabled, /usr/sbin/sendmail doesn't exist or is not executable!"
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unset ASTERISK_NOTIFY_EMAIL
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fi
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fi
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if [ -n "${ASTERISK_TTY}" ]; then
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for x in "${ASTERISK_TTY}" \
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"/dev/tty${ASTERISK_TTY}" \
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"/dev/vc/${ASTERISK_TTY}"
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do
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if [ -c "${x}" ]; then
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TTY="${x}"
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fi
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done
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[ -n "${TTY}" ] && \
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einfo "Messages are sent to : ${TTY}"
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fi
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if yesno "${ASTERISK_CONSOLE}" && [ -n "${TTY}" ]; then
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einfo "Starting Asterisk console : Yes"
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OPTS="${OPTS} -c"
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fi
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if ! getent passwd "${ast_user}" &>/dev/null; then
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eerror "Requested to run asterisk as ${ast_user}, which doesn't exist."
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return 1
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fi
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OPTS="${OPTS} -U ${ast_user}"
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if [ -n "${ast_group}" ] && ! getent group "${ast_group}" &>/dev/null; then
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eerror "Requested to run ${ast_instancename} with group ${ast_group}, which doesn't exist."
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return 1
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fi
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[ -n "${ast_group}" ] && OPTS="${OPTS} -G ${ast_group}"
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if [ "${ast_user}" = root ]; then
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ewarn "Starting asterisk as root is not recommended (SERIOUS SECURITY CONSIDERATIONS)."
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elif [ "${ast_group}" = root ]; then
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ewarn "Starting asterisk with group root is not recommended (SERIOUS SECURITY CONSIDERATIONS)."
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fi
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checkpath -d -m 0755 -o "${ast_user}:${ast_group}" "${ast_logdir}" "${ast_rundir}"
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einfo "Starting asterisk as : ${ast_user}:${ast_group:-${ast_pgroup} (+supplementaries)}"
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asterisk_run_loop ${OPTS} 2>&1 | logger -t "wrapper:${ast_instancename}" &>/dev/null &
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result=$?
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if [ $result -eq 0 ]; then
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# 2 seconds should be enough for asterisk to start
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sleep 2
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is_running
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result=$?
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[ $result -eq 0 ] || wrapperstop
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fi
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eoutdent
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eend $result
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if [ $result -eq 0 ] && yesno "${ASTERISK_WAITBOOTED}"; then
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if [ ! -r "${ast_rundir}/asterisk.ctl" ]; then
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# asterisk can crash during startup ...
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ebegin "Waiting for ctl file to appear"
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while is_running && [ ! -r "${ast_rundir}/asterisk.ctl" ]; do
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sleep 1
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done
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is_running
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result=$?
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eend $result
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fi
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if [ $result -eq 0 ]; then
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ebegin "Waiting for ${ast_instancename} to fully boot"
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/usr/sbin/asterisk -C "${ast_confdir}/asterisk.conf" -r -x "core waitfullybooted" &>/dev/null
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eend $?
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fi
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fi
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return $result
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}
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wrapperstop() {
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# Accomodate system upgrades (so a previous version of the wrapper script that still uses a pid file may be running).
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if [ -r "${ast_rundir}/wrapper_loop.pid" ]; then
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ebegin "Killing ${ast_instancename} wrapper script"
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kill "$(cat /var/run/asterisk/wrapper_loop.pid)"
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eend $?
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fi
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# The new one (due to "hardened" requirements) uses a simpler
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# flag to indicate running or shutting down.
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if [ -r "${ast_rundir}/wrapper_loop.running" ]; then
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ebegin "Signalling ${ast_instancename} wrapper script to terminate"
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rm "${ast_rundir}/wrapper_loop.running"
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eend $?
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fi
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return 0
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}
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forcestop() {
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setup_svc_variables || return $?
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# Just to be sure - when we want to forcestop we should make it all tear down.
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wrapperstop
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ebegin "Stopping ${ast_instancename} PBX"
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start-stop-daemon --stop --pidfile /var/run/asterisk/asterisk.pid
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eend $?
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}
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stop() {
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setup_svc_variables || return $?
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wrapperstop
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if ! is_running; then
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eerror "${ast_instancename} is not running!"
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return 0
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fi
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ebegin "Stopping ${ast_instancename} PBX ${ast_stop_method}"
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/usr/sbin/asterisk -C "${ast_confdir}/asterisk.conf" -r -x "core stop ${ast_stop_method}" &>/dev/null
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# Now we have to wait until asterisk has _really_ stopped.
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sleep 1
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if is_running; then
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einfon "Waiting for ${ast_instancename} to shutdown ."
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local cnt=0
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while is_running; do
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cnt="$(expr $cnt + 2)"
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if [ ${ast_stop_timeout} -gt 0 -a $cnt -gt ${ast_stop_timeout} ] ; then
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echo
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eend 1 "Failed waiting for ${ast_instancename} to stop."
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return 1
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fi
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sleep 2
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echo -n "."
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done
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echo
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fi
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eend 0
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}
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reload() {
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setup_svc_variables || return $?
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if is_running; then
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ebegin "Forcing ${ast_instancename} to reload configuration"
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/usr/sbin/asterisk -C "${ast_confdir}/asterisk.conf" -r -x "module reload" &>/dev/null
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eend $?
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else
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eerror "${ast_instancename} is not running!"
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fi
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}
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