Greenboot variables not getting populated in greenboot-healthcheck.service output

The output from journalctl -o cat -u greenboot-healthcheck.service should display any Greenboot variabls that are set. The script 40_microshift_running_check.sh checks. It does not seem to be populating


<snip>
Running Required Health Check Scripts...
STARTED
GRUB boot variables:
boot_success=0
boot_indeterminate=0
boot_counter=0
Greenboot variables:
None
The ostree status:
<snip>

100%

1. Deploy MicroShift with /etc/greenboot/greenboot.conf file
2. /etc/greenboot/greenbot.conf file includes MICROSHIFT_WAIT_TIMEOUT_SEC=20
3. Remove hostname package and reboot
4. Observe output of journalctl -o cat -u greenboot-healthcheck.service 

Output is set to None

Output should display the MICROSHIFT_WAIT_TIMEOUT_SEC variable