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mxstartup/mxvipctl
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| #!/bin/bash | |
| CMD_IP="/sbin/ip" | |
| CMD_IPTABLES="/usr/sbin/iptables" | |
| CMD_MXS2MXVIP="/usr/sbin/mxstartup2mxconfig" | |
| RUNDIR="/run/mariux" | |
| # expands *-pattern in pathnames to null if no matching files are found.. | |
| shopt -s nullglob | |
| # exit on any error | |
| set -e | |
| function mxvip_start_one() { | |
| local vip=$1 | |
| local -i i mip mfwd | |
| echo "starting ${vip} .." | |
| . ${vip} | |
| mip=${#MX_IP_ADDRESS[*]} | |
| mfwd=${#MX_FWD_IP[*]} | |
| # echo "ip addresses found: ${mip}" | |
| #MX_FWD_DST_IP=([0]="141.14.30.222" [1]="141.14.20.135" [2]="141.14.27.44" [3]="141.14.27.44") | |
| #MX_FWD_DST_PORT=([0]="8080" [1]="9191" [2]="9090" [3]="6789") | |
| #MX_FWD_IP=([0]="-1" [1]="0" [2]="1" [3]="1") | |
| #MX_FWD_SRC_IP=([0]="141.14.30.222" [1]="141.14.20.135" [2]="141.14.27.44" [3]="141.14.27.44") | |
| #MX_FWD_SRC_PORT=([0]="80" [1]="91" [2]="90" [3]="80") | |
| #MX_IP_ADDRESS=([0]="141.14.20.135" [1]="141.14.27.44") | |
| #MX_IP_ADDRESSPREFIX=([0]="20" [1]="20") | |
| #MX_IP_BROADCAST=([0]="141.14.31.255" [1]="141.14.31.255") | |
| #MX_IP_DEVICE=([0]="eth0" [1]="eth0") | |
| i=0 | |
| while [ ${i} -lt ${mip} ] ; do | |
| # echo " $i -> ${MX_IP_ADDRESS[$i]}" | |
| echo "adding ip ${MX_IP_ADDRESS[$i]}/${MX_IP_ADDRESSPREFIX[$i]} broadcast ${MX_IP_BROADCAST[$i]} to ${MX_IP_DEVICE[$i]}" | |
| ${CMD_IP} addr add ${MX_IP_ADDRESS[$i]}/${MX_IP_ADDRESSPREFIX[$i]} broadcast ${MX_IP_BROADCAST[$i]} dev ${MX_IP_DEVICE[$i]} | |
| ${CMD_IP} link set up dev ${MX_IP_DEVICE[$i]} | |
| i=i+1 | |
| done | |
| # echo "fwds found: ${mfwd}" | |
| i=0 | |
| while [ ${i} -lt ${mfwd} ] ; do | |
| echo "adding forward ${MX_FWD_SRC_IP[$i]}:${MX_FWD_SRC_PORT[$i]} <-> ${MX_FWD_DST_IP[$i]}:${MX_FWD_DST_PORT[$i]}" | |
| ${CMD_IPTABLES} -t nat -A PREROUTING -p tcp -j DNAT -d ${MX_FWD_SRC_IP[$i]} --dport ${MX_FWD_SRC_PORT[$i]} --to-destination ${MX_FWD_DST_IP[$i]}:${MX_FWD_DST_PORT[$i]} | |
| ${CMD_IPTABLES} -t nat -A OUTPUT -p tcp -j DNAT -d ${MX_FWD_SRC_IP[$i]} --dport ${MX_FWD_SRC_PORT[$i]} --to-destination ${MX_FWD_DST_IP[$i]}:${MX_FWD_DST_PORT[$i]} | |
| ${CMD_IPTABLES} -t nat -A POSTROUTING -p tcp -j SNAT --dst ${MX_FWD_DST_IP[$i]} --dport ${MX_FWD_SRC_PORT[$i]} --to-source ${MX_FWD_SRC_IP[$i]} | |
| i=i+1 | |
| done | |
| unset ${!MX_IP_*} | |
| unset ${!MX_FWD_*} | |
| mv ${vip}{,.r} | |
| } | |
| function mxvip_stop_one() { | |
| local vip=$1 | |
| local -i i mip mfwd | |
| echo "stopping ${vip} .." | |
| . ${vip} | |
| mip=${#MX_IP_ADDRESS[*]} | |
| mfwd=${#MX_FWD_IP[*]} | |
| # echo "ip addresses found: ${mip}" | |
| #MX_FWD_DST_IP=([0]="141.14.30.222" [1]="141.14.20.135" [2]="141.14.27.44" [3]="141.14.27.44") | |
| #MX_FWD_DST_PORT=([0]="8080" [1]="9191" [2]="9090" [3]="6789") | |
| #MX_FWD_IP=([0]="-1" [1]="0" [2]="1" [3]="1") | |
| #MX_FWD_SRC_IP=([0]="141.14.30.222" [1]="141.14.20.135" [2]="141.14.27.44" [3]="141.14.27.44") | |
| #MX_FWD_SRC_PORT=([0]="80" [1]="91" [2]="90" [3]="80") | |
| #MX_IP_ADDRESS=([0]="141.14.20.135" [1]="141.14.27.44") | |
| #MX_IP_ADDRESSPREFIX=([0]="20" [1]="20") | |
| #MX_IP_BROADCAST=([0]="141.14.31.255" [1]="141.14.31.255") | |
| #MX_IP_DEVICE=([0]="eth0" [1]="eth0") | |
| # echo "fwds found: ${mfwd}" | |
| i=0 | |
| while [ ${i} -lt ${mfwd} ] ; do | |
| echo "removing forward ${MX_FWD_SRC_IP[$i]}:${MX_FWD_SRC_PORT[$i]} <-> ${MX_FWD_DST_IP[$i]}:${MX_FWD_DST_PORT[$i]}" | |
| ${CMD_IPTABLES} -t nat -D PREROUTING -p tcp -j DNAT -d ${MX_FWD_SRC_IP[$i]} --dport ${MX_FWD_SRC_PORT[$i]} --to-destination ${MX_FWD_DST_IP[$i]}:${MX_FWD_DST_PORT[$i]} | |
| ${CMD_IPTABLES} -t nat -D OUTPUT -p tcp -j DNAT -d ${MX_FWD_SRC_IP[$i]} --dport ${MX_FWD_SRC_PORT[$i]} --to-destination ${MX_FWD_DST_IP[$i]}:${MX_FWD_DST_PORT[$i]} | |
| ${CMD_IPTABLES} -t nat -D POSTROUTING -p tcp -j SNAT --dst ${MX_FWD_DST_IP[$i]} --dport ${MX_FWD_SRC_PORT[$i]} --to-source ${MX_FWD_SRC_IP[$i]} | |
| i=i+1 | |
| done | |
| i=0 | |
| while [ ${i} -lt ${mip} ] ; do | |
| # echo " $i -> ${MX_IP_ADDRESS[$i]}" | |
| dev=${MX_IP_DEVICE[$i]} | |
| if [ ! -d "/sys/class/net/${dev}" -a "${dev:0:3}" = "eth" ] ; then | |
| net=$(printf "net%02d" "${dev:3}") | |
| if [ -d "/sys/class/net/${net}" ] ; then | |
| MX_IP_DEVICE[$i]=$net | |
| fi | |
| fi | |
| echo "removing ip ${MX_IP_ADDRESS[$i]}/${MX_IP_ADDRESSPREFIX[$i]} broadcast ${MX_IP_BROADCAST[$i]} to ${MX_IP_DEVICE[$i]}" | |
| ${CMD_IP} addr del ${MX_IP_ADDRESS[$i]}/${MX_IP_ADDRESSPREFIX[$i]} broadcast ${MX_IP_BROADCAST[$i]} dev ${MX_IP_DEVICE[$i]} | |
| # echo "${CMD_IP} link set up dev ${MX_IP_DEVICE[$i]}" | |
| i=i+1 | |
| done | |
| unset ${!MX_IP_*} | |
| unset ${!MX_FWD_*} | |
| rm ${vip} | |
| } | |
| function mxvip_start() { | |
| local vip | |
| local pattern=$1 | |
| : ${pattern:=*} | |
| for vip in ${RUNDIR}/mxvip.${pattern}.cfg ; do | |
| if [ -e ${vip}.r ] ; then | |
| echo >&2 "skipping $vip: already running.." | |
| continue | |
| fi | |
| if [ ! -r ${vip} ] ; then | |
| echo >&2 "skipping $vip: can't read file" | |
| continue | |
| fi | |
| if [ ! -O ${vip} ] ; then | |
| echo >&2 "skipping $vip: possible hack attempt?" | |
| continue | |
| fi | |
| mxvip_start_one ${vip} | |
| done | |
| } | |
| function mxvip_stop() { | |
| local vip | |
| local pattern=$1 | |
| : ${pattern:=*} | |
| for vip in ${RUNDIR}/mxvip.${pattern}.cfg.r ; do | |
| if [ ! -r ${vip} ] ; then | |
| echo >&2 "skipping $vip: can't read file" | |
| continue | |
| fi | |
| if [ ! -O ${vip} ] ; then | |
| echo >&2 "skipping $vip: possible hack attempt?" | |
| continue | |
| fi | |
| mxvip_stop_one ${vip} | |
| done | |
| } | |
| function create_run_dir_if_not_exists() { | |
| if [ ! -d ${RUNDIR} ] ; then | |
| mkdir -m 0700 ${RUNDIR} | |
| fi | |
| if [ ! -O ${RUNDIR} ] ; then | |
| echo >&2 "${RUNDIR}: wrong owner: possible hack attempt? exiting.." | |
| exit 1 | |
| fi | |
| } | |
| function create_mxvip() { | |
| ${CMD_MXS2MXVIP} ${RUNDIR} >/dev/null | |
| } | |
| ############################################################################## | |
| create_run_dir_if_not_exists | |
| case "${1}" in | |
| start) | |
| create_mxvip | |
| mxvip_start $2 | |
| ;; | |
| stop) | |
| mxvip_stop $2 | |
| ;; | |
| restart) | |
| mxvip_stop $2 | |
| create_mxvip | |
| mxvip_start $2 | |
| ;; | |
| *) | |
| echo >&2 "$0 start|stop" | |
| ;; | |
| esac | |