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eff7d78f8a
Since the `cut -b` command is used by `parse-zfs.sh`, ensure that it is copied to the initramfs. Fix spl_hostid when set by cmdline. This follows a similar logic from the `zgenhostid` script, using `echo` instead of `printf`. Reviewed-by: Olaf Faaland <faaland1@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ben Cordero <bencord0@condi.me> Closes #8197
67 lines
2.0 KiB
Bash
Executable File
67 lines
2.0 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 "ZFS: 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 "ZFS: Using hostid from /etc/hostid: $(hostid)"
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else
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warn "ZFS: No hostid found on kernel command line or /etc/hostid."
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warn "ZFS: Pools may not import correctly."
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fi
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wait_for_zfs=0
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case "${root}" in
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""|zfs|zfs:)
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# We'll take root unset, root=zfs, or root=zfs:
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# No root set, so we want to read the bootfs attribute. We
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# can't do that until udev settles so we'll set dummy values
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# and hope for the best later on.
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root="zfs:AUTO"
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rootok=1
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wait_for_zfs=1
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info "ZFS: Enabling autodetection of bootfs after udev settles."
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;;
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ZFS\=*|zfs:*|zfs:FILESYSTEM\=*|FILESYSTEM\=*)
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# root is explicit ZFS root. Parse it now. We can handle
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# a root=... param in any of the following formats:
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# root=ZFS=rpool/ROOT
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# root=zfs:rpool/ROOT
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# root=zfs:FILESYSTEM=rpool/ROOT
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# root=FILESYSTEM=rpool/ROOT
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# root=ZFS=pool+with+space/ROOT+WITH+SPACE (translates to root=ZFS=pool with space/ROOT WITH SPACE)
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# Strip down to just the pool/fs
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root="${root#zfs:}"
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root="${root#FILESYSTEM=}"
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root="zfs:${root#ZFS=}"
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# switch + with spaces because kernel cmdline does not allow us to quote parameters
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root=$(printf '%s\n' "$root" | sed "s/+/ /g")
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rootok=1
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wait_for_zfs=1
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info "ZFS: Set ${root} as 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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