graphite-alerting.sh

#!/bin/bash

baseline=30

graphite_cpu() {
  local date=$(date -v$1S +%s)

  echo "apps.prod.application1.requests.count $2 ${date}" | nc localhost 2103
  echo "apps.prod.application2.requests.count $3 ${date}" | nc localhost 2103
  echo "apps.prod.application3.requests.count $4 ${date}" | nc localhost 2103
  echo "apps.test.application1.requests.count $5 ${date}" | nc localhost 2103
  echo "apps.test.application2.requests.count $6 ${date}" | nc localhost 2103

  echo "appsstats;environment=prod;application=application1 $2 ${date}" | nc localhost 2103
  echo "appsstats;environment=prod;application=application2 $3 ${date}" | nc localhost 2103
  echo "appsstats;environment=prod;application=application3 $4 ${date}" | nc localhost 2103
  echo "appsstats;environment=test;application=application1 $5 ${date}" | nc localhost 2103
  echo "appsstats;environment=test;application=application2 $6 ${date}" | nc localhost 2103
}

send() {
  local relSeconds=$1
  local s1=$((baseline + $RANDOM % 10))
  local s2=$((baseline + $RANDOM % 10))
  local s3=$((baseline + $RANDOM % 10))
  local s4=$((baseline + $RANDOM % 10))
  local s5=$((baseline + $RANDOM % 10))
  graphite_cpu $relSeconds $s1 $s2 $s3 $s4 $5
}

echo "Sending past data. Please wait..."

for (( x = -700; x <= 0; x += 5)); do send $x;done

uparrow=$'\x1b[A'
downarrow=$'\x1b[B'

echo "Random metrics are generated with value of the baseline + random number between 0-10."

while true
do
  x=""
  echo "Current baseline=${baseline}. Press up/down arrows to change it."
  read -s -n3 -t5 x
  case "$x" in
  $uparrow)
     baseline=$((baseline+10))
     ;;
  $downarrow)
     baseline=$((baseline-10))
     ;;
  esac
  send -0
done