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 14depends() { 15 echo udev-rules 16} 17 18installkernel() { 19 hostonly='' instmods -c zfs 20 instmods mpt3sas virtio_blk 21} 22 23install() { 24 inst_rules 90-zfs.rules 69-vdev.rules 60-zvol.rules 25 26 inst_multiple \ 27 zgenhostid \ 28 zfs \ 29 zpool \ 30 mount.zfs \ 31 hostid \ 32 grep \ 33 awk \ 34 tr \ 35 cut \ 36 head || 37 { dfatal "Failed to install essential binaries"; exit 1; } 38 39 # Adapted from https://github.com/zbm-dev/zfsbootmenu 40 if ! ldd "$(command -v zpool)" | grep -qF 'libgcc_s.so' && ldconfig -p 2> /dev/null | grep -qF 'libc.so.6' ; then 41 # On systems with gcc-config (Gentoo, Funtoo, etc.), use it to find libgcc_s 42 if command -v gcc-config >/dev/null; then 43 inst_simple "/usr/lib/gcc/$(s=$(gcc-config -c); echo "${s%-*}/${s##*-}")/libgcc_s.so.1" || 44 { dfatal "Unable to install libgcc_s.so"; exit 1; } 45 # Otherwise, use dracut's library installation function to find the right one 46 elif ! inst_libdir_file "libgcc_s.so*"; then 47 # If all else fails, just try looking for some gcc arch directory 48 inst_simple /usr/lib/gcc/*/*/libgcc_s.so* || 49 { dfatal "Unable to install libgcc_s.so"; exit 1; } 50 fi 51 fi 52 53 inst_hook cmdline 95 "${moddir}/parse-zfs.sh" 54 if [[ -n "${systemdutildir}" ]]; then 55 inst_script "${moddir}/zfs-generator.sh" "${systemdutildir}/system-generators/dracut-zfs-generator" 56 fi 57 inst_hook pre-mount 90 "${moddir}/zfs-load-key.sh" 58 inst_hook mount 98 "${moddir}/mount-zfs.sh" 59 inst_hook cleanup 99 "${moddir}/zfs-needshutdown.sh" 60 inst_hook shutdown 20 "${moddir}/export-zfs.sh" 61 62 inst_script "${moddir}/zfs-lib.sh" "/lib/dracut-zfs-lib.sh" 63 64 # -H ensures they are marked host-only 65 # -o ensures there is no error upon absence of these files 66 inst_multiple -o -H \ 67 "@sysconfdir@/zfs/zpool.cache" \ 68 "@sysconfdir@/zfs/vdev_id.conf" 69 70 # Synchronize initramfs and system hostid 71 if ! inst_simple -H @sysconfdir@/hostid; then 72 if HOSTID="$(hostid 2>/dev/null)" && [[ "${HOSTID}" != "00000000" ]]; then 73 zgenhostid -o "${initdir}@sysconfdir@/hostid" "${HOSTID}" 74 mark_hostonly @sysconfdir@/hostid 75 fi 76 fi 77 78 if dracut_module_included "systemd"; then 79 inst_simple "${systemdsystemunitdir}/zfs-import.target" 80 systemctl -q --root "${initdir}" add-wants initrd.target zfs-import.target 81 82 inst_simple "${moddir}/zfs-env-bootfs.service" "${systemdsystemunitdir}/zfs-env-bootfs.service" 83 systemctl -q --root "${initdir}" add-wants zfs-import.target zfs-env-bootfs.service 84 85 inst_simple "${moddir}/zfs-nonroot-necessities.service" "${systemdsystemunitdir}/zfs-nonroot-necessities.service" 86 systemctl -q --root "${initdir}" add-requires initrd-root-fs.target zfs-nonroot-necessities.service 87 88 # Add user-provided unit overrides: 89 # - /etc/systemd/system/${_service} 90 # - /etc/systemd/system/${_service}.d/overrides.conf 91 # -H ensures they are marked host-only 92 # -o ensures there is no error upon absence of these files 93 inst_multiple -o -H \ 94 "${systemdsystemconfdir}/zfs-import.target" \ 95 "${systemdsystemconfdir}/zfs-import.target.d/"*.conf 96 97 for _service in \ 98 "zfs-import-scan.service" \ 99 "zfs-import-cache.service"; do 100 inst_simple "${systemdsystemunitdir}/${_service}" 101 systemctl -q --root "${initdir}" add-wants zfs-import.target "${_service}" 102 103 # Add user-provided unit overrides: 104 # - /etc/systemd/system/${_service} 105 # - /etc/systemd/system/${_service}.d/overrides.conf 106 # -H ensures they are marked host-only 107 # -o ensures there is no error upon absence of these files 108 inst_multiple -o -H \ 109 "${systemdsystemconfdir}/${_service}" \ 110 "${systemdsystemconfdir}/${_service}.d/"*.conf 111 112 done 113 114 for _service in \ 115 "zfs-snapshot-bootfs.service" \ 116 "zfs-rollback-bootfs.service"; do 117 inst_simple "${moddir}/${_service}" "${systemdsystemunitdir}/${_service}" 118 systemctl -q --root "${initdir}" add-wants initrd.target "${_service}" 119 120 # Add user-provided unit overrides: 121 # - /etc/systemd/system/${_service} 122 # - /etc/systemd/system/${_service}.d/overrides.conf 123 # -H ensures they are marked host-only 124 # -o ensures there is no error upon absence of these files 125 inst_multiple -o -H \ 126 "${systemdsystemconfdir}/${_service}" \ 127 "${systemdsystemconfdir}/${_service}.d/"*.conf 128 done 129 130 inst_simple "${moddir}/import-opts-generator.sh" "${systemdutildir}/system-environment-generators/zfs-import-opts.sh" 131 fi 132} 133