Commits on Oct 30, 2023

1. fix failure at second boot …

   The issue occurs at unexpected shutdown (such as power-off, or ctrl + a
   +x to exit qemu) after first boot, data was not completely saved to
   disk.
   ------
   Ignition has failed. Please ensure your config is valid. Note that only
   Ignition spec v3.0.0+ configs are accepted.
   
   A CLI validation tool to check this called ignition-validate can be
   downloaded from GitHub:
       https://github.com/coreos/ignition/releases
   ------
   
   CoreOS uses boot args `ignition.firstboot' as flag for the first boot,
   during first boot, ignition parse and apply user define config (add
   user/passwd/ssh key), and remove the config file; then call script
   /usr/libexec/coreos-ignition-firstboot-complete.
   
   In script /usr/libexec/coreos-ignition-firstboot-complete, it remove
   /boot/ignition.firstboot, the GRUB detect it and remove boot args
   `ignition.firstboot' if /boot/ignition.firstboot does not exists at
   second boot
   
   If shundown at the time after ignition removes ignition user define config,
   before script /usr/libexec/coreos-ignition-firstboot-complete removes
   /boot/ignition.firstboot, the coming boot will be recognized as first
   boot, but the ignition user define config is lost
   
   Call sync to assure the remove operation on disk
   
   Signed-off-by: Hongxu Jia <[email protected]>

   

   hongxu-jia committed Oct 30, 2023
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