labconfig-install-macos-catalina-wipeloadremovejssrecord

#!/bin/bash

###################################################################
#
# Enable macOS wipe and load for lab Macs (10.15)

#
# Date: Tue 11 Feb 2020 16:17:37 GMT
# Version: 0.1.0
# Creator: ganders1
#
##################################################################


# # # # # # # #
# SYSTEM CHECKS
# # # # # # # #

# Check the install process isn't underway

if [ -e /macOS\ Install\ Data ]
then
# Install proces already underway
exit 0
fi

# Check if free space > 15GB
bootDisk=`diskutil info / | grep "Device Node:" | awk '{print $3}'`
freeSpace=`df -g | grep "${Boot_Disk}" | awk '{print $4}'`
if [[ ${freeSpace%.*} -ge 15 ]]; then
    spaceStatus="OK"
    /bin/echo "Disk Check: OK - ${freeSpace%.*} Free Space Detected"
else
    spaceStatus="ERROR"
    /bin/echo "Disk Check: ERROR - ${freeSpace%.*} Free Space Detected"
fi

##Start macOS Upgrade
macOS_app_vers=`defaults read "/Applications/Install macOS Catalina.app/Contents/Info" CFBundleShortVersionString | awk -F "." '{print $1$2}'`

if [ -z $macOS_app_vers ]; then
	macOS_app_vers=126
fi

echo $macOS_app_vers

if [ $macOS_app_vers -ge 154 ]; then
    # Remove JSS record for machine being wiped and loaded to help ensure integrity of fresh build. It will re-enrol at the end of the process.
    /usr/local/bin/jamf policy -event RemoveJSSRecord
    
    # Perform Wipe and Load
	/Applications/Install\ macOS\ Catalina.app/Contents/Resources/startosinstall --eraseinstall --agreetolicense --installpackage /Users/Shared/QuickAddLab-0.1-1.pkg --nointeraction  
else
	# Do a delete incase an older version is there
	rm -fR "/Applications/Install macOS Catalina.app"
    # Add the installer
    /usr/local/bin/jamf policy -event OS-Installer-15

    # Remove JSS record for machine being wiped and loaded to help ensure integrity of fresh build. It will re-enrol at the end of the process.
    /usr/local/bin/jamf policy -event RemoveJSSRecord
	
    # Perform Wipe and Load
    /Applications/Install\ macOS\ Catalina.app/Contents/Resources/startosinstall --eraseinstall --agreetolicense --installpackage /Users/Shared/QuickAddLab-0.1-1.pkg --nointeraction 
fi

exit 0;