| #!/bin/bash |
| rwdir="/run/initramfs/rw" |
| |
| # If systemd bind-mounted a transient machine-id early on, we must unmount it |
| # BEFORE etc.mount happens, otherwise it will be hidden and cause confusion. |
| if grep -q " /etc/machine-id " /proc/self/mounts; then |
| echo "Unmounting early transient /etc/machine-id" |
| umount /etc/machine-id |
| fi |
| |
| # We just ensure the machine-id is in the cow so that etc.mount picks it up. |
| if ! [[ -e "$rwdir"/cow/etc/machine-id ]]; then |
| echo "Populating /etc/machine-id in COW" >&2 |
| mkdir -p "$rwdir"/cow/etc |
| # Try to read the current one |
| cp /run/machine-id "$rwdir"/cow/etc/ || exit |
| fi |
| |
| # Opportunisticly set a sane BMC date based on a file that gets |
| # written right before rebooting or powercycling. If none exists, |
| # use the image build date. |
| for file in "$rwdir"/cow/{var/lib/systemd/random-seed,etc/os-release}; do |
| [ -e "$file" ] || continue |
| now_approx=$(stat -c %Y "$file") || continue |
| # Only update time if it's older than the file |
| if [ "$(date +%s)" -lt "$now_approx" ]; then |
| echo "Setting time from file $file: $now_approx" >&2 |
| date -s @$((now_approx + 5)) || true |
| fi |
| done |
