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