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182 lines
3.4 KiB
182 lines
3.4 KiB
#!/bin/sh
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if [ -f /etc/default/haproxy ]; then
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. /etc/default/haproxy
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fi
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if [ -f /etc/sysconfig/haproxy ]; then
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. /etc/sysconfig/haproxy
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fi
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RETVAL=1
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USER=${HAPROXY_USER:-haproxy}
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BIN_FILE=${HAPROXY_BIN:-/usr/sbin/haproxy}
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PID_FILE=${HAPROXY_PID:-/var/run/haproxy/kazoo-haproxy.pid}
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CFG_FILE=${HAPROXY_CONFIG:-/etc/kazoo/haproxy/haproxy.cfg}
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export HOME=${HAPROXY_HOME:-/var/lib/haproxy}
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prepare() {
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mkdir -p /var/log/haproxy
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chown -R ${USER} /var/log/haproxy
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mkdir -p /var/run/haproxy
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chown -R ${USER} /var/run/haproxy
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if [ -e ${PID_FILE} ]; then
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rm -rf ${PID_FILE}
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fi
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RETVAL=$?
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}
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start() {
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cd ${HOME}
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check_config
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if [ ${RETVAL} -ne 0 ]; then
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return
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fi
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if echo "show stat" | nc -U /tmp/haproxy.sock > /dev/null 2>&1; then
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echo "HAProxy is already running!"
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return
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fi
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set -- ${BIN_FILE} -f ${CFG_FILE} -p ${PID_FILE} ${OPTIONS} "$@"
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if [ "$(whoami)" == "${USER}" ]; then
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exec "$@"
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else
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exec sudo -u ${USER} "$@"
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fi
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RETVAL=$?
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if [ ${RETVAL} -ne 0 ]; then
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echo "Failed to start HAProxy!"
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RETVAL=1
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fi
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}
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stop() {
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kill $(cat ${PID_FILE})
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RETVAL=$?
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}
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restart() {
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check_config
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if [ ${RETVAL} -ne 0 ]; then
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return
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fi
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stop
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start
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}
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status() {
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local STATS="pxname svname qcur qmax scur smax slim stot bin bout dreq dresp ereq econ eresp wretr wredis status weight act bck chkfail chdown lastchg downtime qlimit pid iid sid throttle lbtot tracked type rate rate_lim rate_max check_status check_code check_duration hrsp_1xx hrsp_2xx hrsp_3xx hrsp_4xx hrsp_5xx hrsp_other hanafail req_rate req_rate_max req_tot cli_abrt srv_abrt"
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local TABLE_HEADER="Host|25 Backend|15 Status Active Rate 1xx 2xx 3xx 4xx 5xx Ping"
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local TABLE_VARS="svname|25 pxname|15 status scur req_rate hrsp_1xx hrsp_2xx hrsp_3xx hrsp_4xx hrsp_5xx check_duration"
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if ! echo "show stat" | nc -U /tmp/haproxy.sock > /dev/null 2>&1; then
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echo "Unable to connect to HAProxy, ensure it is running!"
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return
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fi
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echo -n "|"
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for HEADER in $TABLE_HEADER; do
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if [[ "${HEADER}" =~ "|" ]]; then
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NAME="${HEADER%%|*}"
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SIZE=${HEADER#*|}
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else
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NAME="${HEADER%%|*}"
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SIZE=6
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fi
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printf "%-${SIZE}s |" $NAME
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done
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echo
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echo "show stat" | nc -U /tmp/haproxy.sock \
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| while IFS=',' read ${STATS}; do
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if [ -z "$svname" ]; then
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continue
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fi
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if [ "$svname" == 'svname' ]; then
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continue
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fi
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if [ "$svname" == 'BACKEND' ]; then
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continue
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fi
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if [ "$svname" == 'FRONTEND' ]; then
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continue
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fi
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echo -n "|"
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for VAR in $TABLE_VARS; do
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if [[ "${VAR}" =~ "|" ]]; then
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NAME="${VAR%%|*}"
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SIZE=${VAR#*|}
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else
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NAME="${VAR%%|*}"
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SIZE=6
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fi
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eval VALUE=\$$NAME
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if [ "${VAR}" == 'check_duration' ]; then
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VALUE="${VALUE}ms"
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fi
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printf "%-${SIZE}s |" ${VALUE:-0}
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done
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echo
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done
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}
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reload() {
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check_config
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if [ ${RETVAL} -ne 0 ]; then
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return
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fi
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${BIN_FILE} -f ${CFG_FILE} -p ${PID_FILE} ${OPTIONS} -sf $(cat ${PID_FILE}) $@
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RETVAL=$?
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}
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check_config() {
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/usr/sbin/haproxy -c -V -f ${CFG_FILE} ${OPTIONS}
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RETVAL=$?
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if [ ${RETVAL} -ne 0 ]; then
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echo "ERROR: Invalid/incorrect configuration file!"
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fi
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}
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pid() {
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cat ${PID_FILE}
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RETVAL=$?
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}
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case "$1" in
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prepare)
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prepare
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;;
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background)
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shift
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start "-D $@"
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;;
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start)
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shift
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start "$@"
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;;
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stop)
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stop
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;;
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restart)
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restart
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;;
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status)
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status
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;;
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reload)
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reload
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;;
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check)
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check_config
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;;
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pid)
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pid
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;;
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*)
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echo $"Usage: $0 {prepare|start|background|stop|restart|status|reload|check|pid}"
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esac
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exit ${RETVAL}
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