healthcheck.sh

healthcheck.sh

#
# USAGE: `healthcheck <name> <URL>`
#

# Minify using http://bash-minifier.appspot.com
healthcheck() {
  GREEN='\033[0;32m'
  YELLOW='\033[0;33m'
  RED='\033[0;31m'
  COLOR_RESET='\033[0m'
  
  while [[ true ]]; do
    started_at="$(date +"%Y-%m-%dT%H:%M:%SZ") (Local time)"
    SECONDS=0
    output=$(curl --fail --silent --show-error --stderr - $2)
    result=$?

    if [[ $result -ne 0 ]]; then
      echo -e $RED
    elif [[ $SECONDS -le 1 ]]; then
      echo -e $GREEN
    elif [[ $SECONDS -le 2 ]]; then
      echo -e $YELLOW
    else
      echo -e $RED
    fi

    if [[ $result -eq 0 ]] && [[ $SECONDS -le 1 ]]; then
      echo "$started_at: $1: $output"
    else
      echo "Name       : $1"
      echo "Started at : $started_at"
      echo "Took       : $SECONDS seconds"
      echo "Output     : $output"
    fi

    echo -e $COLOR_RESET

    if [[ $SECONDS -eq 0 ]]; then
      sleep 1;
    fi
  done
}