Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/scripts/zfs-helpers.sh
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1 #!/bin/sh 2 # shellcheck disable=SC2154 3 # 4 # This script is designed to facilitate in-tree development and testing 5 # by installing symlinks on your system which refer to in-tree helper 6 # utilities. These helper utilities must be installed to in order to 7 # exercise all ZFS functionality. By using symbolic links and keeping 8 # the scripts in-tree during development they can be easily modified 9 # and those changes tracked. 10 # 11 # Use the following configuration option to override the installation 12 # paths for these scripts. The correct path is automatically set for 13 # most distributions but you can optionally set it for your environment. 14 # 15 # --with-mounthelperdir=DIR install mount.zfs in dir [/sbin] 16 # --with-udevdir=DIR install udev helpers [default=check] 17 # --with-udevruledir=DIR install udev rules [default=UDEVDIR/rules.d] 18 # --sysconfdir=DIR install zfs configuration files [PREFIX/etc] 19 # 20 21 BASE_DIR=${0%/*} 22 SCRIPT_COMMON=common.sh 23 if [ -f "${BASE_DIR}/${SCRIPT_COMMON}" ]; then 24 . "${BASE_DIR}/${SCRIPT_COMMON}" 25 else 26 echo "Missing helper script ${SCRIPT_COMMON}" && exit 1 27 fi 28 29 PROG=zfs-helpers.sh 30 DRYRUN="no" 31 INSTALL="no" 32 REMOVE="no" 33 VERBOSE="no" 34 35 fail() { 36 echo "${PROG}: $1" >&2 37 exit 1 38 } 39 40 msg() { 41 if [ "$VERBOSE" = "yes" ]; then 42 echo "$@" 43 fi 44 } 45 46 usage() { 47 cat << EOF 48 USAGE: 49 $0 [-dhirv] 50 51 DESCRIPTION: 52 Install/remove the ZFS helper utilities. 53 54 OPTIONS: 55 -d Dry run 56 -h Show this message 57 -i Install the helper utilities 58 -r Remove the helper utilities 59 -v Verbose 60 61 $0 -iv 62 $0 -r 63 64 EOF 65 } 66 67 while getopts 'hdirv' OPTION; do 68 case $OPTION in 69 h) 70 usage 71 exit 1 72 ;; 73 d) 74 DRYRUN="yes" 75 ;; 76 i) 77 INSTALL="yes" 78 ;; 79 r) 80 REMOVE="yes" 81 ;; 82 v) 83 VERBOSE="yes" 84 ;; 85 ?) 86 usage 87 exit 88 ;; 89 *) 90 ;; 91 esac 92 done 93 94 if [ "$INSTALL" = "yes" ] && [ "$REMOVE" = "yes" ]; then 95 fail "Specify -i or -r but not both" 96 fi 97 98 if [ "$INSTALL" = "no" ] && [ "$REMOVE" = "no" ]; then 99 fail "Either -i or -r must be specified" 100 fi 101 102 if [ "$(id -u)" != "0" ] && [ "$DRYRUN" = "no" ]; then 103 fail "Must run as root" 104 fi 105 106 if [ "$INTREE" != "yes" ]; then 107 fail "Must be run in-tree" 108 fi 109 110 if [ "$VERBOSE" = "yes" ]; then 111 echo "--- Configuration ---" 112 echo "udevdir: $INSTALL_UDEV_DIR" 113 echo "udevruledir: $INSTALL_UDEV_RULE_DIR" 114 echo "mounthelperdir: $INSTALL_MOUNT_HELPER_DIR" 115 echo "sysconfdir: $INSTALL_SYSCONF_DIR" 116 echo "pythonsitedir: $INSTALL_PYTHON_DIR" 117 echo "dryrun: $DRYRUN" 118 echo 119 fi 120 121 install() { 122 src=$1 123 dst=$2 124 125 if [ -h "$dst" ]; then 126 echo "Symlink exists: $dst" 127 elif [ -e "$dst" ]; then 128 echo "File exists: $dst" 129 elif ! [ -e "$src" ]; then 130 echo "Source missing: $src" 131 else 132 msg "ln -s $src $dst" 133 134 if [ "$DRYRUN" = "no" ]; then 135 DIR=${dst%/*} 136 mkdir -p "$DIR" >/dev/null 2>&1 137 ln -s "$src" "$dst" 138 fi 139 fi 140 } 141 142 remove() { 143 dst=$1 144 145 if [ -h "$dst" ]; then 146 msg "rm $dst" 147 rm "$dst" 148 DIR=${dst%/*} 149 rmdir "$DIR" >/dev/null 2>&1 150 elif [ -e "$dst" ]; then 151 echo "Expected symlink: $dst" 152 fi 153 } 154 155 if [ "${INSTALL}" = "yes" ]; then 156 for cmd in "mount.zfs" "fsck.zfs"; do 157 install "$CMD_DIR/$cmd" "$INSTALL_MOUNT_HELPER_DIR/$cmd" 158 done 159 for udev in "$UDEV_CMD_DIR/zvol_id" "$UDEV_SCRIPT_DIR/vdev_id"; do 160 install "$udev" "$INSTALL_UDEV_DIR/${udev##*/}" 161 done 162 for rule in "60-zvol.rules" "69-vdev.rules" "90-zfs.rules"; do 163 install "$UDEV_RULE_DIR/$rule" "$INSTALL_UDEV_RULE_DIR/$rule" 164 done 165 install "$ZPOOL_SCRIPT_DIR" "$INSTALL_SYSCONF_DIR/zfs/zpool.d" 166 install "$CONTRIB_DIR/pyzfs/libzfs_core" "$INSTALL_PYTHON_DIR/libzfs_core" 167 # Ideally we would install these in the configured ${libdir}, which is 168 # by default "/usr/local/lib and unfortunately not included in the 169 # dynamic linker search path. 170 install "$LIB_DIR"/libzfs_core.so.?.?.? "/lib/libzfs_core.so" 171 install "$LIB_DIR"/libnvpair.so.?.?.? "/lib/libnvpair.so" 172 [ "$DRYRUN" = "no" ] && ldconfig 173 else 174 remove "$INSTALL_MOUNT_HELPER_DIR/mount.zfs" 175 remove "$INSTALL_MOUNT_HELPER_DIR/fsck.zfs" 176 remove "$INSTALL_UDEV_DIR/zvol_id" 177 remove "$INSTALL_UDEV_DIR/vdev_id" 178 remove "$INSTALL_UDEV_RULE_DIR/60-zvol.rules" 179 remove "$INSTALL_UDEV_RULE_DIR/69-vdev.rules" 180 remove "$INSTALL_UDEV_RULE_DIR/90-zfs.rules" 181 remove "$INSTALL_SYSCONF_DIR/zfs/zpool.d" 182 remove "$INSTALL_PYTHON_DIR/libzfs_core" 183 remove "/lib/libzfs_core.so" 184 remove "/lib/libnvpair.so" 185 ldconfig 186 fi 187 188 exit 0
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