#!/bin/bash

script_dir=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )

# Load configuration
set -o allexport
source ${script_dir}/config/monitoring
set +o allexport

# Import logging functionality
logfile=${script_dir}/log/monitoring.log
log_identifier="MON"
source ${script_dir}/functions/logging.sh

problems=0

log "Starting monitoring run"

for ssh_host in $SSH_MONITORING
do
  if [[ $(nc -w 2 ${ssh_host//:/ } <<< "\0" ) =~ "OpenSSH" ]] ; then
    log "[SSH] [OK] ${ssh_host} is reachable"
  else
    log_echo "[SSH] [FAIL] ${ssh_host} not reachable"
    problems=1
  fi
done

for http_host in $HTTP_MONITORING
do
  status_code=$(curl --write-out %{http_code} --silent --output /dev/null $http_host)
  if [[ "$status_code" -eq 200 ]] ; then
    log "[WEB] [OK] ${http_host}"
  else
    log_echo "[WEB] [FAIL] ${http_host} status code is ${status_code}"
    problems=1
  fi
done

if [[ "$problems" -eq "0" ]]; then
  log "Monitoring Run Successful"
else
  log "Monitoring Run Failed"
fi