Jamf Inventory Update

Overview

Ensuring that Jamf Pro has the most up-to-date inventory information is crucial for accurate reporting and management. This script installs a LaunchDaemon that triggers an inventory update every time the Mac boots up.

Script: startup_inventory_update_jamf.sh

This script creates a LaunchDaemon that runs jamf recon at startup, ensuring the device checks in with the Jamf Pro server.

#!/bin/sh

#  startup_inventory_update.sh
#  
#
#  Created by Shri Sivakumaran C on 02/11/22.
# Modified from rtrouton script (thanks to rtrouton)

# Script which installs a LaunchDaemon which runs a Jamf inventory update at startup time.
#
# The LaunchDaemon takes the following actions:
#
# * Verifies that the Mac can communicate with the Jamf Pro server.
# * Sends an updated inventory to the Jamf Pro server
#
# Create the jamf_inventory_update_at_boot LaunchDaemon by using cat input redirection
# to write the XML contained below to a new file.
#
# The LaunchDaemon will run when when loaded and also when the Mac boots up.

# Set the identifier for the LaunchDaemon

LaunchDaemonName="com.company.runjamfproinventoryupdate"
 
# Set exit code

ERROR=0

# Create temp directory to store LaunchDaemon file inside at file creation time.
 
temp_directory=$(mktemp -d)

# Create the LaunchDaemon file

/bin/cat > "$temp_directory/$LaunchDaemonName.plist" << JAMF_PRO_INVENTORY_UPDATE_LAUNCHDAEMON




    Label
    $LaunchDaemonName
    ProgramArguments
    
        sh
        -c
        /usr/local/jamf/bin/jamf checkJSSConnection -retry 60 && /usr/local/jamf/bin/jamf recon
    
    RunAtLoad
    


JAMF_PRO_INVENTORY_UPDATE_LAUNCHDAEMON
 
# Once the LaunchDaemon file has been created, fix the permissions
# so that the file is owned by root:wheel and set to not be executable
# After the permissions have been updated, move the LaunchDaemon into
# place in /Library/LaunchDaemons.
 
/usr/sbin/chown root:wheel "${temp_directory}/${LaunchDaemonName}.plist"
/bin/chmod 644 "${temp_directory}/${LaunchDaemonName}.plist"
/bin/chmod a-x "${temp_directory}/${LaunchDaemonName}.plist"
/bin/mv "${temp_directory}/${LaunchDaemonName}.plist" "/Library/LaunchDaemons/${LaunchDaemonName}.plist"
 
# After the LaunchDaemon is place with proper permissions, load the LaunchDaemon.
# Loading the launchdaemon will trigger an Jamf Pro inventory update to be run.

if [[ -f "/Library/LaunchDaemons/${LaunchDaemonName}.plist" ]]; then
   /bin/launchctl bootstrap system "/Library/LaunchDaemons/${LaunchDaemonName}.plist"
fi

# Remove temp directory

/bin/rm -rf "$temp_directory"

if [[ -f "/Library/LaunchDaemons/${LaunchDaemonName}.plist" ]]; then

   LaunchDaemonLoaded=$(/bin/launchctl list | grep -o "$LaunchDaemonName")

   if [[ -n "$LaunchDaemonLoaded" ]]; then
      echo "$LaunchDaemonName LaunchDaemon is loaded. Jamf Pro inventory updates will run when the Mac boots."
   else
      echo "ERROR: $LaunchDaemonName LaunchDaemon is not loaded."
      ERROR=1
   fi
else
   echo "ERROR: $LaunchDaemonName.plist LaunchDaemon file was not created successfully."
   ERROR=1
fi

exit "$ERROR"

Note: This script requires root privileges to install the LaunchDaemon.

Script to Update Mac System Inventory to Jamf Pro

Overview

Script: startup_inventory_update_jamf.sh