67 lines
1.9 KiB
Bash
Executable File
67 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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. /lib/dracut-lib.sh
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# Let the command line override our host id.
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spl_hostid=$(getarg spl_hostid=)
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if [ -n "${spl_hostid}" ] ; then
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info "ZFSBootMenu: Using hostid from command line: ${spl_hostid}"
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AA=$(echo "${spl_hostid}" | cut -b 1,2)
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BB=$(echo "${spl_hostid}" | cut -b 3,4)
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CC=$(echo "${spl_hostid}" | cut -b 5,6)
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DD=$(echo "${spl_hostid}" | cut -b 7,8)
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echo -ne "\\x${DD}\\x${CC}\\x${BB}\\x${AA}" >/etc/hostid
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elif [ -f "/etc/hostid" ] ; then
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info "ZFSBootMenu: Using hostid from /etc/hostid: $(hostid)"
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else
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warn "ZFSBootMenu: No hostid found on kernel command line or /etc/hostid."
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warn "ZFSBootMenu: Pools may not import correctly."
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fi
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# Force import pools only when explicitly told to do so
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if getargbool 0 force_import ; then
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info "ZFSBootMenu: Enabling force import of ZFS pools"
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import_args="-o readonly=on -f -N"
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else
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import_args="-o readonly=on -N"
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fi
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# Set a menu timeout, to allow immediate booting
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menu_timeout=$( getarg timeout=)
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if [ -n "${menu_timeout}" ]; then
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info "ZFSBootMenu: Setting menu timeout from command line: ${menu_timeout}"
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else
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menu_timeout=10
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fi
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wait_for_zfs=0
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case "${root}" in
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""|zfsbootmenu|zfsbootmenu:)
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# We'll take root unset, root=zfsbootmenu, or root=zfsbootmenu:
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root="zfsbootmenu"
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rootok=1
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wait_for_zfs=1
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info "ZFSBootMenu: Enabling menu after udev settles"
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;;
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zfsbootmenu:POOL\=*)
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# Prefer a specific pool for bootfs value, root=zfsbootmenu:POOL=zroot
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root="${root#zfsbootmenu:POOL=}"
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rootok=1
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wait_for_zfs=1
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info "ZFSBootMenu: Preferring ${root} for bootfs"
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;;
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esac
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# Make sure Dracut is happy that we have a root and will wait for ZFS
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# modules to settle before mounting.
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if [ ${wait_for_zfs} -eq 1 ]; then
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ln -s /dev/null /dev/root 2>/dev/null
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initqueuedir="${hookdir}/initqueue/finished"
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test -d "${initqueuedir}" || {
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initqueuedir="${hookdir}/initqueue-finished"
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}
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echo '[ -e /dev/zfs ]' > "${initqueuedir}/zfs.sh"
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fi
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