Simplest possible monitoring solution using public etcd service and Instapush API
| #!/bin/bash | |
| # Usage | |
| # Monitoring server: mon.sh [etcd_chan_id] [instapush_app_id] [instapush_app_secret] | |
| # Monitoring client: echo '[event_name]#[vars_json]' | mon.sh [etcd_chan_id] | |
| ETCD_CHANID="$1" # etcd channel id on discovery.etcd.io | |
| INSTAPUSH_APP="$2" # instapush app id | |
| INSTAPUSH_SECRET="$3" # instapush secret key | |
| MSGKEY="notifikey" | |
| MARKER="@@@" | |
| if [[ -z "$INSTAPUSH_APP" && -z "$INSTAPUSH_SECRET" ]]; then # send mode | |
| inp="$(< /dev/stdin)" | |
| curl https://discovery.etcd.io/${ETCD_CHANID}/${MSGKEY} -XPUT -d value="${MARKER}${inp}${MARKER}" | |
| else # watch mode | |
| while true; do | |
| rawData="$(curl -s https://discovery.etcd.io/${ETCD_CHANID}/${MSGKEY}?wait=true)" | |
| data="$(echo $rawData|grep -Po \"${MARKER}.*?${MARKER}\"|head -n 1)" | |
| rawInstructions="${data:4:-4}" | |
| eventName=$(echo $rawInstructions | cut -d '#' -f 1) | |
| if [[ -n "$eventName" ]]; then | |
| varSection=$(echo $rawInstructions | cut -d '#' -f 2- | { read vs;echo $vs; }) | |
| reqBody="{\"event\":\"$eventName\",\"trackers\":$varSection}" | |
| curl -s -X POST -H "x-instapush-appid: $INSTAPUSH_APP" -H "x-instapush-appsecret: $INSTAPUSH_SECRET" -H "Content-Type: application/json" -d $reqBody https://api.instapush.im/v1/post & | |
| fi | |
| done | |
| fi |
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