| #!/bin/sh |
| # |
| # Add ZoL filesystem capabilities to an initrd, usually for a native ZFS root. |
| # |
| |
| # This hook installs udev rules for ZoL. |
| PREREQ="udev" |
| |
| # These prerequisites are provided by the zfsutils package. The zdb utility is |
| # not strictly required, but it can be useful at the initramfs recovery prompt. |
| COPY_EXEC_LIST="@sbindir@/zdb @sbindir@/zpool @sbindir@/zfs" |
| COPY_EXEC_LIST="$COPY_EXEC_LIST @mounthelperdir@/mount.zfs @udevdir@/vdev_id" |
| COPY_EXEC_LIST="$COPY_EXEC_LIST @udevdir@/zvol_id" |
| COPY_FILE_LIST="/etc/hostid @sysconfdir@/zfs/zpool.cache" |
| COPY_FILE_LIST="$COPY_FILE_LIST @DEFAULT_INITCONF_DIR@/zfs" |
| COPY_FILE_LIST="$COPY_FILE_LIST @sysconfdir@/zfs/zfs-functions" |
| COPY_FILE_LIST="$COPY_FILE_LIST @sysconfdir@/zfs/vdev_id.conf" |
| COPY_FILE_LIST="$COPY_FILE_LIST @udevruledir@/60-zvol.rules" |
| COPY_FILE_LIST="$COPY_FILE_LIST @udevruledir@/69-vdev.rules" |
| |
| # These prerequisites are provided by the base system. |
| COPY_EXEC_LIST="$COPY_EXEC_LIST /usr/bin/dirname /bin/hostname /sbin/blkid" |
| COPY_EXEC_LIST="$COPY_EXEC_LIST /usr/bin/env" |
| |
| # Explicitly specify all kernel modules because automatic dependency resolution |
| # is unreliable on many systems. |
| BASE_MODULES="zlib_deflate spl zavl zcommon znvpair zunicode zlua zfs icp" |
| CRPT_MODULES="sun-ccm sun-gcm sun-ctr" |
| MANUAL_ADD_MODULES_LIST="$BASE_MODULES" |
| |
| # Generic result code. |
| RC=0 |
| |
| case $1 in |
| prereqs) |
| echo "$PREREQ" |
| exit 0 |
| ;; |
| esac |
| |
| for ii in $COPY_EXEC_LIST |
| do |
| if [ ! -x "$ii" ] |
| then |
| echo "Error: $ii is not executable." |
| RC=2 |
| fi |
| done |
| |
| if [ "$RC" -ne 0 ] |
| then |
| exit "$RC" |
| fi |
| |
| . /usr/share/initramfs-tools/hook-functions |
| |
| mkdir -p "$DESTDIR/etc/" |
| |
| # ZDB uses pthreads for some functions, but the library dependency is not |
| # automatically detected. The `find` utility and extended `cp` options are |
| # used here because libgcc_s.so could be in a subdirectory of /lib for |
| # multi-arch installations. |
| cp --target-directory="$DESTDIR" --parents $(find /lib/ -type f -name libgcc_s.so.1) |
| |
| for ii in $COPY_EXEC_LIST |
| do |
| copy_exec "$ii" |
| done |
| |
| for ii in $COPY_FILE_LIST |
| do |
| dir=$(dirname "$ii") |
| [ -d "$dir" ] && mkdir -p "$DESTDIR/$dir" |
| [ -f "$ii" ] && cp -p "$ii" "$DESTDIR/$ii" |
| done |
| |
| for ii in $MANUAL_ADD_MODULES_LIST |
| do |
| manual_add_modules "$ii" |
| done |
| |
| if [ -f "/etc/hostname" ] |
| then |
| cp -p "/etc/hostname" "$DESTDIR/etc/" |
| else |
| hostname >"$DESTDIR/etc/hostname" |
| fi |
| |
| for ii in zfs zfs.conf spl spl.conf |
| do |
| if [ -f "/etc/modprobe.d/$ii" ]; then |
| if [ ! -d "$DESTDIR/etc/modprobe.d" ]; then |
| mkdir -p $DESTDIR/etc/modprobe.d |
| fi |
| cp -p "/etc/modprobe.d/$ii" $DESTDIR/etc/modprobe.d/ |
| fi |
| done |
| |
| # With pull request #1476 (not yet merged) comes a verbose warning |
| # if /usr/bin/net doesn't exist or isn't executable. Just create |
| # a dummy... |
| [ ! -d "$DESTDIR/usr/bin" ] && mkdir -p "$DESTDIR/usr/bin" |
| if [ ! -x "$DESTDIR/usr/bin/net" ]; then |
| touch "$DESTDIR/usr/bin/net" |
| chmod +x "$DESTDIR/usr/bin/net" |
| fi |
| |
| exit 0 |