bridgehead/lib/monitoring.sh

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#!/bin/bash
source lib/log.sh
function hc_set_uuid(){
HCUUID="$1"
}
function hc_set_service(){
HCSERVICE="$1"
}
UPTIME=
USER_AGENT=
function hc_send(){
BASEURL="https://healthchecks.verbis.dkfz.de/ping"
if [ -n "$MONITOR_APIKEY" ]; then
hc_set_uuid $MONITOR_APIKEY
fi
if [ -n "$HCSERVICE" ]; then
HCURL="$BASEURL/$PING_KEY/$HCSERVICE"
fi
if [ -n "$HCUUID" ]; then
HCURL="$BASEURL/$HCUUID"
fi
if [ ! -n "$HCURL" ]; then
log WARN "Did not report Healthcheck: Neither Healthcheck UUID nor service set. Please define MONITOR_APIKEY in /etc/bridgehead."
return 0
fi
if [ -z "$UPTIME" ]; then
UPTIME=$(docker ps -a --format 'table {{.Names}} \t{{.RunningFor}} \t {{.Status}} \t {{.Image}}' --filter name=bridgehead || echo "Unable to get docker statistics")
fi
if [ -z "$USER_AGENT" ]; then
if [ "$USER" != "root" ]; then
COMMIT_ETC=$(git -C /etc/bridgehead rev-parse HEAD | cut -c -8)
COMMIT_SRV=$(git -C /srv/docker/bridgehead rev-parse HEAD | cut -c -8)
else
COMMIT_ETC=$(su -c 'git -C /etc/bridgehead rev-parse HEAD' bridgehead | cut -c -8)
COMMIT_SRV=$(su -c 'git -C /srv/docker/bridgehead rev-parse HEAD' bridgehead | cut -c -8)
fi
USER_AGENT="srv:$COMMIT_SRV etc:$COMMIT_ETC"
fi
if [ -n "$2" ]; then
MSG="$2\n\nDocker stats:\n$UPTIME"
echo -e "$MSG" | https_proxy=$HTTPS_PROXY_URL curl --max-time 5 -A "$USER_AGENT" -s -o /dev/null -X POST --data-binary @- "$HCURL"/"$1" || log WARN "Monitoring failed: Unable to send data to $HCURL/$1"
else
https_proxy=$HTTPS_PROXY_URL curl --max-time 5 -A "$USER_AGENT" -s -o /dev/null "$HCURL"/"$1" || log WARN "Monitoring failed: Unable to send data to $HCURL/$1"
fi
}