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Add possibility to send mail when server or proxy is down/up

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This commit is contained in:
Ycarus (Yannick Chabanois) 2023-08-24 14:36:42 +02:00
parent 34dca22728
commit 051577195e
5 changed files with 162 additions and 5 deletions
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36
omr-tracker/files/bin/omr-tracker-ss
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@ -83,8 +83,25 @@ while true; do
nocontact=""
[ "${last}" -ge "${retry}" ] || [ "$(uci -q get openmptcprouter.omr.ss_${server})" = "" ] && {
_log "Shadowsocks ${server} is up (can contact via http ${host})"
OMR_TRACKER_STATUS_MSG="Shadowsocks ${server} is up (can contact via http ${host})"
uci -q set openmptcprouter.omr.ss_${server}="up"
uci -q commit openmptcprouter.omr
mail_alert="$(uci -q get omr-tracker.proxy.mail_alert)"
#[ -z "$mail_alert" ] && mail_alert="$(uci -q get omr-tracker.defaults.mail_alert)"
[ "$mail_alert" = "1" ] && [ -n "$(uci -q get mail.default.to)" ] && {
OMR_SYSNAME="$(uci -q get system.@system[0].hostname)"
if [ "$(uci -q get omr-tracker.defaults.mail_up_subject)" != "" ] && [ "$(uci -q get omr-tracker.defaults.mail_up_message)" != "" ]; then
mail_subject="$(uci -q get omr-tracker.defaults.mail_up_subject)"
mail_subject=`echo $mail_subject | sed -e "s/%SYSNAME%/$OMR_SYSNAME/g" -e "s/%INTERFACE%/Shadowsocks Proxy/g" -e "s/%DEVICE%/Shadowsocks Proxy/g" -e "s/%MESSAGE%/$OMR_TRACKER_STATUS_MSG/g"`
mail_message="$(uci -q get omr-tracker.defaults.mail_up_message)"
mail_message=`echo $mail_message | sed -e "s/%SYSNAME%/$OMR_SYSNAME/g" -e "s/%INTERFACE%/Shadowsocks Proxy/g" -e "s/%DEVICE%/Shadowsocks Proxy/g" -e "s/%MESSAGE%/$OMR_TRACKER_STATUS_MSG/g"`
echo -e "Subject: ${mail_subject}\n\n${mail_message}" | sendmail $(uci -q get mail.default.to)
else
echo -e "Subject: $OMR_SYSNAME: Shadowsocks Proxy is UP." | sendmail $(uci -q get mail.default.to)
fi
}
script_alert_up="$(uci -q get omr-tracker.proxy.script_alert_up)"
[ -n "$script_alert_up" ] && eval $script_alert_up
}
if [ -z "$($IPTABLESSAVE 2>/dev/null | grep :ssr)" ] && [ "$(uci -q get shadowsocks-libev.ss_rules.disabled)" != "1" ]; then
_log "Reload Shadowsocks rules"
@ -99,6 +116,7 @@ while true; do
[ "${last}" -ge "${retry}" ] && {
if [ -n "$($IPTABLES -w -t nat -L -n 2>/dev/null | grep ssr)" ]; then
_log "Shadowsocks ${server} is down (can't contact via http ${nocontact})"
OMR_TRACKER_STATUS_MSG="Shadowsocks ${server} is down (can't contact via http ${nocontact})"
uci -q set openmptcprouter.omr.ss_${server}="down"
uci -q commit openmptcprouter.omr
[ "$(uci show openmptcprouter.omr | grep ss_ | grep up)" = "" ] && /etc/init.d/shadowsocks-libev rules_down 2> /dev/null
@ -109,7 +127,25 @@ while true; do
_ping_server $serverip
if [ "$server_ping" = false ]; then
_log "Server $server ($serverip) seems down, no answer to ping"
OMR_TRACKER_STATUS_MSG="${OMR_TRACKER_STATUS_MSG} - Server $server ($serverip) seems down, no answer to ping"
fi
mail_alert="$(uci -q get omr-tracker.proxy.mail_alert)"
#[ -z "$mail_alert" ] && mail_alert="$(uci -q get omr-tracker.defaults.mail_alert)"
[ "$mail_alert" = "1" ] && [ -n "$(uci -q get mail.default.to)" ] && {
OMR_SYSNAME="$(uci -q get system.@system[0].hostname)"
if [ "$(uci -q get omr-tracker.defaults.mail_down_subject)" != "" ] && [ "$(uci -q get omr-tracker.defaults.mail_down_message)" != "" ]; then
mail_subject="$(uci -q get omr-tracker.defaults.mail_down_subject)"
mail_subject=`echo $mail_subject | sed -e "s/%SYSNAME%/$OMR_SYSNAME/g" -e "s/%INTERFACE%/Shadowsocks Proxy/g" -e "s/%DEVICE%/Shadowsocks Proxy/g" -e "s/%MESSAGE%/$OMR_TRACKER_STATUS_MSG/g"`
mail_message="$(uci -q get omr-tracker.defaults.mail_down_message)"
mail_message=`echo $mail_message | sed -e "s/%SYSNAME%/$OMR_SYSNAME/g" -e "s/%INTERFACE%/Shadowsocks Proxy/g" -e "s/%DEVICE%/Shadowsocks Proxy/g" -e "s/%MESSAGE%/$OMR_TRACKER_STATUS_MSG/g"`
echo -e "Subject: ${mail_subject}\n\n${mail_message}" | sendmail $(uci -q get mail.default.to)
else
echo -e "Subject: $OMR_SYSNAME: Shadowsocks Proxy is down\n\nConnection failure of ShadowSocks proxy detected. The reason is \"$OMR_TRACKER_STATUS_MSG\"." | sendmail $(uci -q get mail.default.to)
fi
}
script_alert_down="$(uci -q get omr-tracker.proxy.script_alert_down)"
[ -n "$script_alert_down" ] && eval $script_alert_down
if [ "$disabled" != "1" ] && [ "$(pgrep ss-redir)" = "" ] && [ "$(uci -q get shadowsocks-libev.${server}.key)" != "" ]; then
_log "Can't find shadowsocks, restart it..."
/etc/init.d/shadowsocks-libev restart