113 lines
2.2 KiB
Bash
Executable File
113 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env vbash
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WAN=eth0
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HOSTS=(
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'1.1.1.1'
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'1.0.0.1'
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'8.8.8.8'
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)
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OUTLET_IP=192.168.60.14
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PING_TIMEOUT=5
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SOFT_WAIT_TIME=60
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DHCP_WAIT_TIME=60
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MODEM_RESET_WAIT_TIME=60
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PING="/bin/ping -c 1 -W ${PING_TIMEOUT} -w ${PING_TIMEOUT}"
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RESET_MODEM_SCRIPT="/config/scripts/tplink_smartplug.py"
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DEBUG=true
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DEBUG_FILE=/var/log/cron-monitor.log
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DISABLE_SOFT_RESTART=false
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function debug() {
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if [[ ${DEBUG} ]]; then
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echo $@ > ${DEBUG_FILE}
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fi
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}
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function interfaceDown() {
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interface=$1
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ip link set dev ${interface} down
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}
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function interfaceUp() {
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interface=$1
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ip link set dev ${interface} up
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}
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function soft_restart() {
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if [[ ${DISABLE_SOFT_RESTART} ]] ; then
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return
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fi
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debug "Releasing DHCP IP lease on ${WAN}"
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release dhcp interface ${WAN}
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debug "Disabling ${WAN} interface"
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interfaceDown ${WAN}
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debug "Waiting ${SOFT_WAIT_TIME}"
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sleep ${SOFT_WAIT_TIME}
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debug "Enabling ${WAN} interface"
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interfaceUp ${WAN}
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debug "Renewing DHCP IP lease on ${WAN}"
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renew dhcp interface ${WAN}
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debug "Waiting for ip lease from dhcp (${DHCP_WAIT_TIME}s)"
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sleep ${DHCP_WAIT_TIME}
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}
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function hard_restart() {
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debug "Releasing DHCP IP lease on ${WAN}"
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release dhcp interface ${WAN}
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debug "Disabling ${WAN} interface"
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interfaceDown ${WAN}
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debug "Turning off router outlet"
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${RESET_MODEM_SCRIPT} -t ${OUTLET_IP} -c off >> /dev/null 2>&1
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debug "Waiting ${SOFT_WAIT_TIME}"
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sleep ${SOFT_WAIT_TIME}
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debug "Turning on router outlet"
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${RESET_MODEM_SCRIPT} -t ${OUTLET_IP} -c on >> /dev/null 2>&1
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debug "Waiting for modem to bootup ${MODEM_RESET_WAIT_TIME}"
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sleep ${MODEM_RESET_WAIT_TIME}
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debug "Enabling ${WAN} interface"
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interfaceUp ${WAN}
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debug "Renewing DHCP IP lease on ${WAN}"
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renew dhcp interface ${WAN}
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}
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function ping() {
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for host in "${HOSTS[@]}"; do
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${PING} ${host} >> /dev/null 2>&1
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if [[ $? == 0 ]] ; then
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debug "Ping successful, exiting"
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exit 0
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else
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debug "Ping failed on ${host}"
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fi
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done
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}
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function main() {
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ping
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soft_restart
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ping
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hard_restart
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ping
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soft_restart
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}
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main
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