diff --git a/heartbeat/asterisk b/heartbeat/asterisk index 3b4ebbbb4..c417864a6 100755 --- a/heartbeat/asterisk +++ b/heartbeat/asterisk @@ -1,420 +1,418 @@ #!/bin/sh # # # Asterisk # # Description: Manages an Asterisk PBX as an HA resource # # Authors: Martin Gerhard Loschwitz # Florian Haas # # Support: linux-ha@lists.linux-ha.org # License: GNU General Public License (GPL) # # (c) 2011 hastexo Professional Services GmbH # # This resource agent is losely derived from the MySQL resource # agent, which itself is made available to the public under the # following copyright: # # (c) 2002-2005 International Business Machines, Inc. # 2005-2010 Linux-HA contributors # # See usage() function below for more details ... # # OCF instance parameters: # OCF_RESKEY_binary # OCF_RESKEY_canary_binary # OCF_RESKEY_config # OCF_RESKEY_user # OCF_RESKEY_group # OCF_RESKEY_additional_parameters # OCF_RESKEY_realtime # OCF_RESKEY_maxfiles ####################################################################### # Initialization: : ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat} . ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs ####################################################################### # Fill in some defaults if no values are specified HOSTOS=`uname` if [ "X${HOSTOS}" = "XOpenBSD" ]; then OCF_RESKEY_user_default="_asterisk" OCF_RESKEY_group_default="_asterisk" else OCF_RESKEY_user_default="asterisk" OCF_RESKEY_group_default="asterisk" fi OCF_RESKEY_binary_default="asterisk" OCF_RESKEY_canary_binary_default="astcanary" OCF_RESKEY_config_default="/etc/asterisk/asterisk.conf" OCF_RESKEY_additional_parameters_default="-g -vvv" OCF_RESKEY_realtime_default="false" OCF_RESKEY_maxfiles_default="8192" : ${OCF_RESKEY_binary=${OCF_RESKEY_binary_default}} : ${OCF_RESKEY_canary_binary=${OCF_RESKEY_canary_binary_default}} : ${OCF_RESKEY_config=${OCF_RESKEY_config_default}} : ${OCF_RESKEY_user=${OCF_RESKEY_user_default}} : ${OCF_RESKEY_group=${OCF_RESKEY_group_default}} : ${OCF_RESKEY_additional_parameters=${OCF_RESKEY_additional_parameters_default}} : ${OCF_RESKEY_realtime=${OCF_RESKEY_realtime_default}} : ${OCF_RESKEY_maxfiles=${OCF_RESKEY_maxfiles_default}} ####################################################################### usage() { cat < 1.0 Resource agent for the Asterisk PBX. May manage an Asterisk PBX telephony system or a clone set that forms an Asterisk distributed device setup. Manages an Asterisk PBX Location of the Asterisk PBX server binary Asterisk PBX server binary Location of the Asterisk PBX Canary server binary Asterisk PBX Canary server binary The Asterisk PBX configuration file Asterisk PBX config User running Asterisk PBX daemon Asterisk PBX user Group running Asterisk PBX daemon (for logfile and directory permissions) Asterisk PBX group Additional parameters which are passed to the Asterisk PBX on startup (e.g. -L <load> or -M <value>). Additional parameters to pass to the Asterisk PBX Determines whether the Asterisk PBX daemon will be run with realtime priority or not. Asterisk PBX realtime priority Determines how many files the Asterisk PBX is allowed to open at a time. Helps to fix the 'Too many open files' error message. Asterisk PBX allowed MAXFILES END } ####################################################################### # Convenience variables ASTERISK=$OCF_RESKEY_binary if [ -f "$OCF_RESKEY_config" ]; then ASTRUNDIR=`grep astrundir $OCF_RESKEY_config | awk '/^astrundir/ {print $3}'` fi if [ -f "$OCF_RESKEY_config" ]; then ASTLOGDIR=`grep astlogdir $OCF_RESKEY_config | awk '/^astlogdir/ {print $3}'` fi ####################################################################### # Convenience functions asterisk_rx() { # if $HOME is set, asterisk -rx writes a .asterisk_history there ( unset HOME ocf_run $OCF_RESKEY_binary -r -s $ASTRUNDIR/asterisk.ctl -x "$1" ) return $? } ####################################################################### # Functions invoked by resource manager actions asterisk_validate() { check_binary $OCF_RESKEY_binary if [ ! -f $OCF_RESKEY_config ]; then ocf_log err "Config $OCF_RESKEY_config doesn't exist" return $OCF_ERR_INSTALLED fi getent passwd $OCF_RESKEY_user >/dev/null 2>&1 if [ $? -ne 0 ]; then ocf_log err "User $OCF_RESKEY_user doesn't exit" return $OCF_ERR_INSTALLED fi getent group $OCF_RESKEY_group >/dev/null 2>&1 if [ $? -ne 0 ]; then ocf_log err "Group $OCF_RESKEY_group doesn't exist" return $OCF_ERR_INSTALLED fi true } asterisk_status() { if [ ! -f $ASTRUNDIR/asterisk.pid ]; then ocf_log info "Asterisk PBX is not running" return $OCF_NOT_RUNNING fi pid=`cat $ASTRUNDIR/asterisk.pid` ocf_run kill -s 0 $pid if [ $? -eq 0 ]; then return $OCF_SUCCESS else ocf_log info "Asterisk PBX not running: removing old PID file" rm -f $ASTRUNDIR/asterisk.pid return $OCF_NOT_RUNNING fi } asterisk_monitor() { local rc asterisk_status rc=$? # If status returned an error, return that immediately if [ $rc -ne $OCF_SUCCESS ]; then return $rc fi # Check whether connecting to asterisk is possible asterisk_rx 'core show uptime' if [ $? -ne 0 ]; then ocf_log err "Failed to connect to the Asterisk PBX" return $OCF_ERR_GENERIC fi ocf_log debug "Asterisk PBX monitor succeeded" return $OCF_SUCCESS } asterisk_start() { local asterisk_extra_params local dir local rc asterisk_status if [ $? -eq $OCF_SUCCESS ]; then ocf_log info "Asterisk PBX already running" return $OCF_SUCCESS fi for dir in $ASTRUNDIR $ASTLOGDIR $ASTLOGDIR/cdr-csv $ASTLOGDIR/cdr-custom; do if [ ! -d "$dir" ]; then ocf_run install -d -o $OCF_RESKEY_user -g $OCF_RESKEY_group $dir \ || exit $OCF_ERR_GENERIC fi # Regardless of whether we just created the directory or it # already existed, check whether it is writable by the configured # user if ! su -s /bin/sh - $OCF_RESKEY_user -c "test -w $dir"; then ocf_log err "Directory $dir is not writable by $OCF_RESKEY_user" exit $OCF_ERR_PERM fi done # set MAXFILES ulimit -n $OCF_RESKEY_maxfiles # Determine whether Asterisk PBX is supposed to run in Realtime mode # or not and make asterisk daemonize automatically if ocf_is_true "$OCF_RESKEY_realtime"; then asterisk_extra_params="-F -p" else asterisk_extra_params="-F" fi ocf_run ${OCF_RESKEY_binary} -G $OCF_RESKEY_group -U $OCF_RESKEY_user \ -C $OCF_RESKEY_config \ $OCF_RESKEY_additional_parameters \ $asterisk_extra_params if [ $? -ne 0 ]; then ocf_log err "Asterisk PBX start command failed: $?" return $? fi # Spin waiting for the server to come up. # Let the CRM/LRM time us out if required while true; do asterisk_monitor rc=$? [ $rc -eq $OCF_SUCCESS ] && break if [ $rc -ne $OCF_NOT_RUNNING ]; then ocf_log info "Asterisk PBX start failed: $rc" return $OCF_ERR_GENERIC fi sleep 2 done ocf_log info "Asterisk PBX started" return $OCF_SUCCESS } asterisk_stop() { + local pid asterisk_status - if [ $? -eq $OCF_NOT_RUNNING ]; then ocf_log info "Asterisk PBX already stopped" return $OCF_SUCCESS fi # do a "soft shutdown" via the asterisk command line first asterisk_rx 'core stop now' asterisk_status - if [ $? -eq $OCF_NOT_RUNNING ]; then ocf_log info "Asterisk PBX stopped" return $OCF_SUCCESS fi - # If the beast is still alive, kill it now - pid=`cat $ASTRUNDIR/asterisk.pid 2> /dev/null ` - ocf_run kill -s TERM $pid + # If "core stop now" didn't succeed, try SIGTERM + pid=`cat $ASTRUNDIR/asterisk.pid` + ocf_run kill -s TERM $pid if [ $? -ne 0 ]; then ocf_log err "Asterisk PBX couldn't be stopped" return $OCF_ERR_GENERIC fi # stop waiting shutdown_timeout=15 if [ -n "$OCF_RESKEY_CRM_meta_timeout" ]; then shutdown_timeout=$((($OCF_RESKEY_CRM_meta_timeout/1000)-5)) fi count=0 while [ $count -lt $shutdown_timeout ] do asterisk_status if [ $? -eq $OCF_NOT_RUNNING ]; then break fi count=`expr $count + 1` sleep 1 ocf_log debug "Asterisk PBX still hasn't stopped yet. Waiting ..." done asterisk_status - if [ $? -ne $OCF_NOT_RUNNING ]; then - # still there, eh? Okay, let's burn it to a crisp + # SIGTERM didn't help either, try SIGKILL ocf_log info "Asterisk PBX failed to stop after ${shutdown_timeout}s using SIGTERM. Trying SIGKILL ..." ocf_run kill -s KILL $pid fi # After killing asterisk, stop astcanary if [ $OCF_RESKEY_realtime = "yes" ] then astcanary_pid=`pidof $OCF_RESKEY_canary_binary` ocf_run kill -s KILL $astcanary_pid fi ocf_log info "Asterisk PBX stopped" return $OCF_SUCCESS } ####################################################################### case "$1" in meta-data) meta_data exit $OCF_SUCCESS;; usage|help) usage exit $OCF_SUCCESS;; esac # Anything except meta-data and help must pass validation asterisk_validate || exit $? # What kind of method was invoked? case "$1" in start) asterisk_start;; stop) asterisk_stop;; status) asterisk_status;; monitor) asterisk_monitor;; validate-all) ;; *) usage exit $OCF_ERR_UNIMPLEMENTED;; esac