macOS Monitor - System Time Check

#!/bin/bash

# This resource is provided as a convenience for Level users. We cannot 
# guarantee it will work in all environments. Please test before deploying 
# to your production environment. We welcome contributions to our community 
# library

# Level Library
# https://level.io/library/script-macos-monitor-system-time-check

# Set the target time zone
TARGET_TIMEZONE="{{cf_timezone}}"

# Variables to hold checks
check_count=0
checks_failed=""

# Check and display the current time zone
timezone=$(sudo systemsetup -gettimezone | awk '{print $3}')
echo "Current Time Zone: $timezone"

# Check if the time zone matches the target
if [[ "$timezone" != "$TARGET_TIMEZONE" ]]; then
  echo "ALERT: Time zone is not $TARGET_TIMEZONE. Attempting to set to $TARGET_TIMEZONE..."
  sudo systemsetup -settimezone "$TARGET_TIMEZONE"
  if [[ $? -eq 0 ]]; then
    echo "Time zone set to $TARGET_TIMEZONE successfully."
  else
    echo "Failed to set time zone to $TARGET_TIMEZONE."
    check_count=$((check_count + 1))
    checks_failed+=" Failed to set time zone to $TARGET_TIMEZONE."
  fi
fi

# Check if the system clock is synchronized
ntp_status=$(sudo systemsetup -getusingnetworktime | awk '{print $3}')
if [[ "$ntp_status" != "On" ]]; then
  echo "ALERT: Network time synchronization is not enabled."
  check_count=$((check_count + 1))
  checks_failed+=" Network time synchronization is not enabled."
fi

# Check if the NTP server is configured
ntp_server=$(sudo systemsetup -getnetworktimeserver | awk '{print $3}')
if [[ -z "$ntp_server" ]]; then
  echo "ALERT: No NTP server is configured."
  check_count=$((check_count + 1))
  checks_failed+=" No NTP server is configured."
fi

# Final check summary
if [ $check_count -gt 0 ]; then
  echo "ALERT: $check_count checks failed."
  echo "Checks Failed: $checks_failed"
  exit 1
else
  echo "SUCCESS: All checks passed."
  exit 0
fi