1#!/usr/bin/env bash 2# shellcheck disable=SC2154 3 4check() { 5 # We depend on udev-rules being loaded 6 [ "${1}" = "-d" ] && return 0 7 8 # Verify the zfs tool chain 9 for tool in "zgenhostid" "zpool" "zfs" "mount.zfs"; do 10 command -v "${tool}" >/dev/null || return 1 11 done 12 13 return 0 14} 15 16depends() { 17 echo udev-rules 18 return 0 19} 20 21installkernel() { 22 instmods -c zfs 23} 24 25install() { 26 inst_rules 90-zfs.rules 69-vdev.rules 60-zvol.rules 27 28 inst_multiple \ 29 zgenhostid \ 30 zfs \ 31 zpool \ 32 mount.zfs \ 33 hostid \ 34 grep \ 35 awk \ 36 tr \ 37 cut \ 38 head || 39 { dfatal "Failed to install essential binaries"; exit 1; } 40 41 # Adapted from https://github.com/zbm-dev/zfsbootmenu 42 43 if ! ldd "$(command -v zpool)" | grep -qF 'libgcc_s.so'; then 44 # On systems with gcc-config (Gentoo, Funtoo, etc.), use it to find libgcc_s 45 if command -v gcc-config >/dev/null; then 46 inst_simple "/usr/lib/gcc/$(s=$(gcc-config -c); echo "${s%-*}/${s##*-}")/libgcc_s.so.1" || 47 { dfatal "Unable to install libgcc_s.so"; exit 1; } 48 # Otherwise, use dracut's library installation function to find the right one 49 elif ! inst_libdir_file "libgcc_s.so*"; then 50 # If all else fails, just try looking for some gcc arch directory 51 inst_simple /usr/lib/gcc/*/*/libgcc_s.so* || 52 { dfatal "Unable to install libgcc_s.so"; exit 1; } 53 fi 54 fi 55 56 inst_hook cmdline 95 "${moddir}/parse-zfs.sh" 57 if [ -n "${systemdutildir}" ]; then 58 inst_script "${moddir}/zfs-generator.sh" "${systemdutildir}/system-generators/dracut-zfs-generator" 59 fi 60 inst_hook pre-mount 90 "${moddir}/zfs-load-key.sh" 61 inst_hook mount 98 "${moddir}/mount-zfs.sh" 62 inst_hook cleanup 99 "${moddir}/zfs-needshutdown.sh" 63 inst_hook shutdown 20 "${moddir}/export-zfs.sh" 64 65 inst_script "${moddir}/zfs-lib.sh" "/lib/dracut-zfs-lib.sh" 66 67 # -H ensures they are marked host-only 68 # -o ensures there is no error upon absence of these files 69 inst_multiple -o -H \ 70 "@sysconfdir@/zfs/zpool.cache" \ 71 "@sysconfdir@/zfs/vdev_id.conf" 72 73 # Synchronize initramfs and system hostid 74 if ! inst_simple -H @sysconfdir@/hostid; then 75 if HOSTID="$(hostid 2>/dev/null)" && [ "${HOSTID}" != "00000000" ]; then 76 zgenhostid -o "${initdir}@sysconfdir@/hostid" "${HOSTID}" 77 mark_hostonly @sysconfdir@/hostid 78 fi 79 fi 80 81 if dracut_module_included "systemd"; then 82 83 inst_simple "${systemdsystemunitdir}/zfs-import.target" 84 systemctl -q --root "${initdir}" add-wants initrd.target zfs-import.target 85 86 inst_simple "${moddir}/zfs-env-bootfs.service" "${systemdsystemunitdir}/zfs-env-bootfs.service" 87 systemctl -q --root "${initdir}" add-wants zfs-import.target zfs-env-bootfs.service 88 89 for _service in \ 90 "zfs-import-scan.service" \ 91 "zfs-import-cache.service" \ 92 "zfs-load-module.service"; do 93 inst_simple "${systemdsystemunitdir}/${_service}" 94 systemctl -q --root "${initdir}" add-wants zfs-import.target "${_service}" 95 done 96 97 for _service in \ 98 "zfs-snapshot-bootfs.service" \ 99 "zfs-rollback-bootfs.service"; do 100 inst_simple "${moddir}/${_service}" "${systemdsystemunitdir}/${_service}" 101 systemctl -q --root "${initdir}" add-wants initrd.target "${_service}" 102 done 103 104 inst_simple "${moddir}/import-opts-generator.sh" "${systemdutildir}/system-environment-generators/zfs-import-opts.sh" 105 fi 106} 107