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authorJan Houben2018-11-10 20:04:20 -0500
committerJan Houben2018-11-10 20:05:29 -0500
commitbbaf647639da445552186cf317edc54b31cbc5d8 (patch)
tree8a328932e3594d7a3d4f31811896faf3b4b4f9f1 /zfs-utils.initcpio.hook
parent91f309d8ae804f1fb17d375cae64843bb882adc2 (diff)
downloadaur-bbaf647639da445552186cf317edc54b31cbc5d8.tar.gz
Prepare for archzfs
Diffstat (limited to 'zfs-utils.initcpio.hook')
-rw-r--r--zfs-utils.initcpio.hook181
1 files changed, 0 insertions, 181 deletions
diff --git a/zfs-utils.initcpio.hook b/zfs-utils.initcpio.hook
deleted file mode 100644
index 2b6da8e6fd17..000000000000
--- a/zfs-utils.initcpio.hook
+++ /dev/null
@@ -1,181 +0,0 @@
-#
-# WARNING: This script is parsed by ash in busybox at boot time, not bash!
-# http://linux.die.net/man/1/ash
-# https://wiki.ubuntu.com/DashAsBinSh
-# http://www.jpsdomain.org/public/2008-JP_bash_vs_dash.pdf
-#
-ZPOOL_FORCE=""
-ZPOOL_IMPORT_FLAGS=""
-
-zfs_get_bootfs () {
- for zfs_dataset in $(zpool list -H -o bootfs); do
- case ${zfs_dataset} in
- "" | "-")
- # skip this line/dataset
- ;;
- "no pools available")
- return 1
- ;;
- *)
- ZFS_DATASET=${zfs_dataset}
- return 0
- ;;
- esac
- done
- return 1
-}
-
-zfs_decrypt_fs() {
- dataset=$1
-
- # check if 'zfs load-key' is available
- zfs 2>&1 | grep load-key > /dev/null || return 0
-
- # check if dataset is encrypted
- [ "$(zfs get -H -o value encryption "${dataset}")" != "off" ] || return 0
-
- # check if key is already loaded
- [ "$(zfs get -H -o value keystatus "${dataset}")" != "available" ] || return 0
-
- # get the encryption root
- encryptionroot=$(zfs get -H -o value encryptionroot "${dataset}")
-
- # loop until we get the correct password
- while ! eval zfs load-key "${encryptionroot}"; do
- sleep 2
- done
-}
-
-zfs_mount_handler () {
- if [ "${ZFS_DATASET}" = "bootfs" ] ; then
- if ! zfs_get_bootfs ; then
- # Lets import everything and try again
- zpool import ${ZPOOL_IMPORT_FLAGS} -N -a ${ZPOOL_FORCE}
- if ! zfs_get_bootfs ; then
- die "ZFS: Cannot find bootfs."
- fi
- fi
- fi
-
- local pool="${ZFS_DATASET%%/*}"
- local rwopt_exp="${rwopt:-ro}"
-
- if ! zpool list -H "${pool}" 2>1 > /dev/null ; then
- if [ ! "${rwopt_exp}" = "rw" ]; then
- msg "ZFS: Importing pool ${pool} readonly."
- ZPOOL_IMPORT_FLAGS="${ZPOOL_IMPORT_FLAGS} -o readonly=on"
- else
- msg "ZFS: Importing pool ${pool}."
- fi
-
- if ! zpool import ${ZPOOL_IMPORT_FLAGS} -N "${pool}" ${ZPOOL_FORCE} ; then
- die "ZFS: Unable to import pool ${pool}."
- fi
- fi
-
- local node="$1"
- local rootmnt=$(zfs get -H -o value mountpoint "${ZFS_DATASET}")
- local tab_file="${node}/etc/fstab"
- local zfs_datasets="$(zfs list -H -o name -t filesystem -r ${ZFS_DATASET})"
-
- # Mount the root, and any child datasets
- for dataset in ${zfs_datasets}; do
- mountpoint=$(zfs get -H -o value mountpoint "${dataset}")
- case ${mountpoint} in
- "none")
- # skip this line/dataset.
- ;;
- "legacy")
- if [ -f "${tab_file}" ]; then
- if findmnt -snero source -F "${tab_file}" -S "${dataset}" > /dev/null 2>&1; then
- opt=$(findmnt -snero options -F "${tab_file}" -S "${dataset}")
- mnt=$(findmnt -snero target -F "${tab_file}" -S "${dataset}")
- zfs_decrypt_fs "${dataset}"
- mount -t zfs -o "${opt}" "${dataset}" "${node}${mnt}"
- fi
- fi
- ;;
- *)
- zfs_decrypt_fs "${dataset}"
- mount -t zfs -o "zfsutil,${rwopt_exp}" "${dataset}" "${node}/${mountpoint##${rootmnt}}"
- ;;
- esac
- done
-}
-
-set_flags() {
- # Force import the pools, useful if the pool has not properly been exported using 'zpool export <pool>'
- [ ! "${zfs_force}" = "" ] && ZPOOL_FORCE="-f"
-
- # Add import directory to import command flags
- [ ! "${zfs_import_dir}" = "" ] && ZPOOL_IMPORT_FLAGS="${ZPOOL_IMPORT_FLAGS} -d ${zfs_import_dir}"
- [ "${zfs_import_dir}" = "" ] && ZPOOL_IMPORT_FLAGS="${ZPOOL_IMPORT_FLAGS} -c /etc/zfs/zpool.cache"
-}
-
-run_hook() {
- set_flags
-
- # Wait 15 seconds for ZFS devices to show up
- [ "${zfs_wait}" = "" ] && ZFS_WAIT="15" || ZFS_WAIT="${zfs_wait}"
-
- case ${root} in
- # root=zfs
- "zfs")
- mount_handler="zfs_mount_handler"
- ;;
- # root=ZFS=... syntax (grub)
- "ZFS="*)
- mount_handler="zfs_mount_handler"
- ZFS_DATASET="${root#*[=]}"
- ;;
- esac
-
- case ${zfs} in
- "")
- # skip this line/dataset
- ;;
- auto|bootfs)
- ZFS_DATASET="bootfs"
- mount_handler="zfs_mount_handler"
- local pool="[a-zA-Z][^ ]*"
- ;;
- *)
- ZFS_DATASET="${zfs}"
- mount_handler="zfs_mount_handler"
- local pool="${ZFS_DATASET%%/*}"
- ;;
- esac
-
- # Allow at least n seconds for zfs device to show up. Especially
- # when using zfs_import_dir instead of zpool.cache, the listing of
- # available pools can be slow, so this loop must be top-tested to
- # ensure we do one 'zpool import' pass after the timer has expired.
- sleep ${ZFS_WAIT} & pid=$!
- local break_after=0
- while :; do
- kill -0 $pid > /dev/null 2>&1 || break_after=1
- if [ -c "/dev/zfs" ]; then
- zpool import ${ZPOOL_IMPORT_FLAGS} | awk "
- BEGIN { pool_found=0; online=0; unavail=0 }
- /^ ${pool} .*/ { pool_found=1 }
- /^\$/ { pool_found=0 }
- /UNAVAIL/ { if (pool_found == 1) { unavail=1 } }
- /ONLINE/ { if (pool_found == 1) { online=1 } }
- END { if (online == 1 && unavail != 1)
- { exit 0 }
- else
- { exit 1 }
- }" && break
- fi
- [ $break_after == 1 ] && break
- sleep 1
- done
- kill $pid > /dev/null 2>&1
-}
-
-run_latehook () {
- set_flags
- zpool import ${ZPOOL_IMPORT_FLAGS} -N -a ${ZPOOL_FORCE}
-}
-
-# vim:set ts=4 sw=4 ft=sh et: