Verified 1.0.0-0ubuntu4~18.04.5 on Bionic:

ubuntu@ip-172-31-0-42:~$  dpkg -l ec2-hibinit-agent | cat
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name              Version                Architecture Description
+++-=================-======================-============-=================================
ii  ec2-hibinit-agent 1.0.0-0ubuntu4~18.04.5 all          Amazon EC2 hibernation agent
ubuntu@ip-172-31-0-42:~$ service hibinit-agent status
● hibinit-agent.service - EC2 instance hibernation setup agent
   Loaded: loaded (/lib/systemd/system/hibinit-agent.service; enabled; vendor preset: enabled)
   Active: inactive (dead) since Fri 2020-11-20 18:26:20 UTC; 2min 18s ago
     Docs: file:/usr/share/doc/ec2-hibinit-agent/README
 Main PID: 3496 (code=exited, status=0/SUCCESS)

Nov 20 18:26:20 ip-172-31-0-42 hibinit-agent[20133]: Will check if swap is at least: 4000 megabytes
Nov 20 18:26:20 ip-172-31-0-42 hibinit-agent[20133]: There's sufficient swap available (have 4194304000, need 4194304000)
Nov 20 18:26:20 ip-172-31-0-42 hibinit-agent[20133]: Running: swapon /swap-hibinit
Nov 20 18:26:20 ip-172-31-0-42 hibinit-agent[20133]: Updating the kernel offset for the swapfile: /swap-hibinit
Nov 20 18:26:20 ip-172-31-0-42 hibinit-agent[20133]: Updating GRUB to use the device PARTUUID=e9adeae8-01 with offset 362496 for resume
Nov 20 18:26:20 ip-172-31-0-42 hibinit-agent[20133]: GRUB configuration is updated
Nov 20 18:26:20 ip-172-31-0-42 hibinit-agent[20133]: Setting swap device to 51713 with offset 362496
Nov 20 18:26:20 ip-172-31-0-42 hibinit-agent[20133]: Done updating the swap offset. Turning swapoff
Nov 20 18:26:20 ip-172-31-0-42 hibinit-agent[20133]: Running: swapoff /swap-hibinit
Nov 20 18:26:20 ip-172-31-0-42 systemd[1]: Started EC2 instance hibernation setup agent.
ubuntu@ip-172-31-0-42:~$ cat /etc/default/grub.d/99-set-swap.cfg
GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT no_console_suspend=1 resume_offset=362496 resume=PARTUUID=e9adeae8-01"
ubuntu@ip-172-31-0-42:~$ 


Verified 1.0.0-0ubuntu4~16.04.4 on Xenial:

ubuntu@ip-172-31-13-97:~$ dpkg -l ec2-hibinit-agent | cat
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name              Version                Architecture Description
+++-=================-======================-============-=================================
ii  ec2-hibinit-agent 1.0.0-0ubuntu4~16.04.4 all          Amazon EC2 hibernation agent
ubuntu@ip-172-31-13-97:~$ service hibinit-agent status
● hibinit-agent.service - EC2 instance hibernation setup agent
   Loaded: loaded (/lib/systemd/system/hibinit-agent.service; enabled; vendor preset: enabled)
   Active: inactive (dead) since Fri 2020-11-20 18:15:31 UTC; 12min ago
     Docs: file:/usr/share/doc/ec2-hibinit-agent/README
 Main PID: 10521 (code=exited, status=0/SUCCESS)

Nov 20 18:15:31 ip-172-31-13-97 hibinit-agent[10516]: Allocating 4194304000 bytes in /swap-hibinit
Nov 20 18:15:31 ip-172-31-13-97 hibinit-agent[10516]: Swap pre-heating is skipped, the swap blocks won't be touched during to ensure they are ready
Nov 20 18:15:31 ip-172-31-13-97 hibinit-agent[10516]: Running: mkswap /swap-hibinit
Nov 20 18:15:31 ip-172-31-13-97 hibinit-agent[10516]: Running: swapon /swap-hibinit
Nov 20 18:15:31 ip-172-31-13-97 hibinit-agent[10516]: Updating the kernel offset for the swapfile: /swap-hibinit
Nov 20 18:15:31 ip-172-31-13-97 hibinit-agent[10516]: Updating GRUB to use the device PARTUUID=1c2bf25c-01 with offset 509952 for resume
Nov 20 18:15:31 ip-172-31-13-97 hibinit-agent[10516]: GRUB configuration is updated
Nov 20 18:15:31 ip-172-31-13-97 hibinit-agent[10516]: Setting swap device to 51713 with offset 509952
Nov 20 18:15:31 ip-172-31-13-97 hibinit-agent[10516]: Done updating the swap offset. Turning swapoff
Nov 20 18:15:31 ip-172-31-13-97 hibinit-agent[10516]: Running: swapoff /swap-hibinit
ubuntu@ip-172-31-13-97:~$ cat /etc/default/grub.d/99-set-swap.cfg
GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT no_console_suspend=1 resume_offset=509952 resume=PARTUUID=1c2bf25c-01"
ubuntu@ip-172-31-13-97:~$