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annotate sbin/fzfs @ 521:c05ef1c86c9c

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fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 01 Sep 2024 21:52:01 +0200
parents 7d08fd78775c
children b7d60802b25f
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1 #!/bin/sh
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2 # -*- indent-tabs-mode: nil; -*-
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3 #:
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4 #: A ZFS management helper tool.
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5 #:
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6 #: :Author: Franz Glasner
438
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7 #: :Copyright: (c) 2022-2024 Franz Glasner.
276
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8 #: All rights reserved.
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9 #: :License: BSD 3-Clause "New" or "Revised" License.
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10 #: See LICENSE for details.
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11 #: If you cannot find LICENSE see
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12 #: <https://opensource.org/licenses/BSD-3-Clause>
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84d2735fe7f6 Simplified version tagging a lot: it is also faster now.
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13 #: :ID: @(#)@@SIMPLEVERSIONTAG@@
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14 #:
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15
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16 set -eu
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17
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18 VERSION="@@VERSION@@"
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19
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20 USAGE='
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21 USAGE: fzfs [ OPTIONS ] COMMAND [ COMMAND OPTIONS ] [ ARG ... ]
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22
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23 OPTIONS:
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24
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25 -V Print the program name and version number to stdout and exit
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26
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27 -h Print this help message to stdout and exit
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28
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29 COMMANDS:
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30
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31 clone-tree [-k] [-n] SOUECE-DATASET DEST-DATASET
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32
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33 copy-tree [-A] [-M MOUNTPOINT] [-n] [-u] SOURCE-DATASET DEST-DATASET
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34
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35 create-tree [-A] [-M MOUNTPOINT] [-n] [-p] [-u] SOURCE-DATASET DEST-DATASET
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36
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37 mount [-O] [-N] [-P] [-k] [-u] [-n] DATASET [MOUNTPOINT]
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38
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39 umount DATASET
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40
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41 unmount
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42
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43 '
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44
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45
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46 _p_datadir="$(dirname "$0")"/../share/local-bsdtools
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47 . "${_p_datadir}/common.subr"
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48 . "${_p_datadir}/array.sh"
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49
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50
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51 #
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52 #: Implementation of the "mount" command.
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53 #:
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54 #: Mount a dataset and recursively all its children datasets.
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55 #:
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56 command_mount() {
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57 local _dsname _mountpoint
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58 local _opt_dry_run _opt_mount_outside _opt_mount_natural
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59 local _opt_mount_children_only _opt_keep
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60
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61 local _name _mp _canmount _mounted _rootds_mountpoint _rootds_mountpoint_prefix _relative_mp _real_mp
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62
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63 _opt_dry_run=""
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64 _opt_keep=""
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65 _opt_mount_outside=""
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66 _opt_mount_natural=""
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67 _opt_mount_children_only=""
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68 while getopts "ONPknu" _opt ; do
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69 case ${_opt} in
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70 O)
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71 _opt_mount_outside="yes"
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72 ;;
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73 N)
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74 _opt_mount_natural="yes"
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75 ;;
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76 P)
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77 _opt_mount_children_only="yes"
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78 ;;
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79 k)
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80 _opt_keep="yes"
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81 ;;
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82 n|u)
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83 _opt_dry_run="yes"
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84 ;;
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85 \?|:)
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86 return 2;
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87 ;;
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88 esac
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89 done
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90 shift $((OPTIND-1))
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91 OPTIND=1
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92
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93 _dsname="${1-}"
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94 _mountpoint="${2-}"
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95
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96 if [ -z "${_dsname}" ]; then
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97 echo "ERROR: no dataset given" >&2
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98 return 2
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99 fi
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100
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101 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || \
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102 { echo "ERROR: root dataset does not exist" >&2; return 1; }
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103
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104 if [ -z "${_mountpoint}" ]; then
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105 if [ "${_opt_mount_natural}" = "yes" ]; then
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106 _mountpoint="${_rootds_mountpoint}"
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107 else
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108 echo "ERROR: no mountpoint given" >&2
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109 return 2
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110 fi
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111 else
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112 if [ "${_opt_mount_natural}" = "yes" ]; then
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113 echo "ERROR: Cannot have a custom mountpoint when \"-O\" is given" >&2
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114 return 2
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115 fi
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diff changeset
116 fi
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diff changeset
117
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118 # Eventually remove a trailing slash
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119 _mountpoint="${_mountpoint%/}"
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120 if [ -z "${_mountpoint}" ]; then
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121 echo "ERROR: would mount over the root filesystem" >&2
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122 return 1
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diff changeset
123 fi
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diff changeset
124
492
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125 if [ "${_rootds_mountpoint}" = "/" ]; then
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126 _rootds_mountpoint_prefix="/"
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127 else
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128 _rootds_mountpoint_prefix="${_rootds_mountpoint}/"
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129 fi
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130
276
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131 zfs list -H -o name,mountpoint,canmount,mounted -s mountpoint -t filesystem -r "${_dsname}" \
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132 | {
500
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133
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134 #
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135 # _mounted_datasets is an array of ZFS datasets that have been
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136 # mounted by this routine and should be unmounted on errors
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137 # -- if possible.
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138 #
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diff changeset
139 array_create _mounted_datasets
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140
276
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141 while IFS=$'\t' read -r _name _mp _canmount _mounted ; do
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142 # Skip filesystems that are already mounted
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143 [ "${_mounted}" = "yes" ] && continue
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144 # Skip filesystems that must not be mounted
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145 [ "${_canmount}" = "off" ] && continue
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146 #
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147 # Mount only the children and skip the given parent dataset
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148 # if required
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149 #
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150 [ \( "${_opt_mount_children_only}" = "yes" \) -a \( "${_name}" = "${_dsname}" \) ] && continue
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151 case "${_mp}" in
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152 "none"|"legacy")
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153 # Do nothing for filesystem with unset or legacy mountpoints
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154 ;;
492
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155 "${_rootds_mountpoint}"|"${_rootds_mountpoint_prefix}"*)
276
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156 #
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157 # Handle only mountpoints that have a mountpoint below
492
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158 # or exactly at the parent datasets mountpoint
276
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159 #
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160
492
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161 #
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162 # Determine the mountpoint relative to the parent
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163 # mountpoint. Extra effort is needed because the root
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164 # filesystem mount is just a single slash.
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165 #
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diff changeset
166 if [ "${_mp}" = "${_rootds_mountpoint}" ]; then
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diff changeset
167 if [ "${_name}" != "${_dsname}" ]; then
498
46406503a635 Typo in error message
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diff changeset
168 echo "ERROR: child dataset mounts over root dataset" >&2
521
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169 if ! checkyes _opt_keep; then
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170 _umount_datasets _mounted_datasets || true
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171 fi
492
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diff changeset
172 return 1
500
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diff changeset
173 fi
492
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diff changeset
174 _relative_mp=""
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175 _real_mp="${_mountpoint}"
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diff changeset
176 else
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diff changeset
177 _relative_mp="${_mp#${_rootds_mountpoint_prefix}}"
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178 # Eventually remove a trailing slash
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diff changeset
179 _relative_mp="${_relative_mp%/}"
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diff changeset
180 if [ -z "${_relative_mp}" ]; then
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diff changeset
181 echo "ERROR: got an empty relative mountpoint in child" >&2
521
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
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182 if ! checkyes _opt_keep; then
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183 _umount_datasets _mounted_datasets || true
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diff changeset
184 fi
492
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diff changeset
185 return 1
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diff changeset
186 fi
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diff changeset
187 # The real effective full mountpoint
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diff changeset
188 _real_mp="${_mountpoint}/${_relative_mp}"
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diff changeset
189 fi
276
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diff changeset
190
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diff changeset
191 #
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192 # Consistency and sanity check: computed real mountpoint must
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diff changeset
193 # be equal to the configured mountpoint when no custom mountpoint
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diff changeset
194 # is given.
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diff changeset
195 #
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diff changeset
196 if [ "${_opt_mount_natural}" = "yes" ]; then
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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parents:
diff changeset
197 if [ "${_real_mp}" != "${_mp}" ]; then
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diff changeset
198 echo "ERROR: mountpoint mismatch" >&2
521
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
199 if ! checkyes _opt_keep; then
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diff changeset
200 _umount_datasets _mounted_datasets || true
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diff changeset
201 fi
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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diff changeset
202 return 1
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parents:
diff changeset
203 fi
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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parents:
diff changeset
204 fi
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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parents:
diff changeset
205
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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parents:
diff changeset
206 if [ "${_opt_dry_run}" = "yes" ]; then
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diff changeset
207 echo "Would mount ${_name} on ${_real_mp}"
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diff changeset
208 else
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diff changeset
209 mkdir -p "${_real_mp}" 1> /dev/null 2> /dev/null || \
500
7d498093d4c2 fzfs: Try to unmount filesystems that have been mounted by this tool when an error occurs
Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
210 { echo "ERROR: cannot create mountpoint ${_real_mp}" >&2; _umount_datasets _mounted_datasets || true; return 1; }
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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parents:
diff changeset
211 echo "Mounting ${_name} on ${_real_mp}"
500
7d498093d4c2 fzfs: Try to unmount filesystems that have been mounted by this tool when an error occurs
Franz Glasner <fzglas.hg@dom66.de>
parents: 498
diff changeset
212 if mount -t zfs "${_name}" "${_real_mp}"; then
7d498093d4c2 fzfs: Try to unmount filesystems that have been mounted by this tool when an error occurs
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parents: 498
diff changeset
213 array_append _mounted_datasets "${_name}"
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diff changeset
214 else
521
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
215 if ! checkyes _opt_keep; then
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parents: 520
diff changeset
216 _umount_datasets _mounted_datasets || true
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parents: 520
diff changeset
217 fi
500
7d498093d4c2 fzfs: Try to unmount filesystems that have been mounted by this tool when an error occurs
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parents: 498
diff changeset
218 return 1
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diff changeset
219 fi
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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diff changeset
220 fi
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parents:
diff changeset
221 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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parents:
diff changeset
222 *)
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
223 if [ "${_opt_mount_outside}" = "yes" ]; then
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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parents:
diff changeset
224 if [ "${_opt_dry_run}" = "yes" ]; then
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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diff changeset
225 echo "Would mount ${_name} on configured ZFS dataset mountpoint ${_mp}"
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diff changeset
226 else
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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parents:
diff changeset
227 echo "Mounting ${_name} on configured ZFS dataset mountpoint ${_mp}"
500
7d498093d4c2 fzfs: Try to unmount filesystems that have been mounted by this tool when an error occurs
Franz Glasner <fzglas.hg@dom66.de>
parents: 498
diff changeset
228 if zfs mount "${_name}"; then
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diff changeset
229 array_append _mounted_datasets "${_name}"
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diff changeset
230 else
521
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diff changeset
231 if ! checkyes _opt_keep; then
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diff changeset
232 _umount_datasets _mounted_datasets || true
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diff changeset
233 fi
500
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234 return 1
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diff changeset
235 fi
276
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236 fi
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237 else
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238 echo "Skipping ${_name} because its configured ZFS mountpoint is not relative to given root dataset" 2>&1
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239 fi
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240 ;;
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241 esac
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242 done
500
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243 array_destroy _mounted_datasets
276
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244 return 0
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245 }
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246 }
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247
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248
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249 #:
500
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250 #: Helper to unmount mounted ZFS filesystems
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251 #:
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diff changeset
252 #: Args:
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253 #: $1 (str): The name of the array that contains the datasets to unmount to
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diff changeset
254 #:
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diff changeset
255 #: Returns:
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256 #: 0 if successfully unmounted all given datasets,
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diff changeset
257 #: 1 otherwise
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diff changeset
258 #:
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diff changeset
259 #: Unmounting is done in the reverse order.
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diff changeset
260 #:
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diff changeset
261 _umount_datasets() {
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diff changeset
262 array_reversed_for_each "$1" _umount_datasets_umount
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diff changeset
263 }
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diff changeset
264
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diff changeset
265
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diff changeset
266 #:
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diff changeset
267 #: Array callback to unmount a single ZFS filesystem
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diff changeset
268 #:
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diff changeset
269 _umount_datasets_umount() {
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diff changeset
270 if ! zfs umount "$3" ; then
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diff changeset
271 warn "Dataset \`${3}' cannot unmounted"
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diff changeset
272 return 1
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diff changeset
273 fi
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diff changeset
274 return 0
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diff changeset
275 }
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diff changeset
276
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diff changeset
277
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diff changeset
278 #:
276
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279 #: Implement the "umount" command.
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280 #:
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281 #: Umount a datasets and recursively all its children datasets.
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282 #:
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283 command_umount() {
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284 local _dsname
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285
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286 local _name _mp _rest _rootds_mountpoint
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287
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288 _dsname="${1-}"
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289 [ -z "${_dsname}" ] && { echo "ERROR: no dataset given" 1>&2; return 2; }
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290
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291 # Just determine whether the given dataset name exists
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292 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || { echo "ERROR: dataset not found" 1>&2; return 1; }
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293
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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294 mount -t zfs -p \
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295 | grep -E "^${_dsname}(/|\s)" \
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diff changeset
296 | sort -n -r \
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297 | {
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diff changeset
298 while IFS=' '$'\t' read -r _name _mp _rest ; do
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diff changeset
299 echo "Umounting ${_name} on ${_mp}"
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diff changeset
300 umount "${_mp}" || return 1
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diff changeset
301 done
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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diff changeset
302 }
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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diff changeset
303 return 0
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parents:
diff changeset
304 }
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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diff changeset
305
380
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
306
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
307 #:
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
308 #: Implementation of "copy-tree"
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
309 #:
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diff changeset
310 command_copy_tree() {
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
311 local _ds_source _ds_target
429
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
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diff changeset
312 local _opt_mountpoint _opt_mount_noauto _opt_nomount _opt_keep _opt_dry_run
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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parents: 408
diff changeset
313
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
314 local _ds_source_base _ds_source_snapshot _snapshot_suffix
426
2cd4777821fc More work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 424
diff changeset
315 local _ds_tree _ds _ds_relname _ds_canmount
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
316 local _arg_canmount _arg_mp1 _arg_mp2
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
317
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
318 _opt_mountpoint=""
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
319 _opt_mount_noauto=""
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
320 _opt_nomount=""
429
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
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parents: 428
diff changeset
321 _opt_keep=""
424
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
322 _opt_dry_run=""
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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parents: 408
diff changeset
323
429
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
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parents: 428
diff changeset
324 while getopts "AM:knu" _opt ; do
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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parents: 408
diff changeset
325 case ${_opt} in
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
326 A)
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diff changeset
327 _opt_mount_noauto="-o canmount=noauto"
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diff changeset
328 ;;
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
329 M)
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diff changeset
330 _opt_mountpoint="${OPTARG}"
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
331 ;;
429
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
332 k)
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
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parents: 428
diff changeset
333 _opt_keep="yes"
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parents: 428
diff changeset
334 ;;
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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parents: 408
diff changeset
335 n)
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diff changeset
336 _opt_dry_run="-n"
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diff changeset
337 ;;
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
338 u)
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diff changeset
339 _opt_nomount="-u"
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diff changeset
340 ;;
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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parents: 408
diff changeset
341 \?)
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parents: 408
diff changeset
342 return 2;
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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parents: 408
diff changeset
343 ;;
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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parents: 408
diff changeset
344 esac
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parents: 408
diff changeset
345 done
422
4363929b0a3e FIX: Typo in variable name "OPTID" -> "OPTIND"
Franz Glasner <fzglas.hg@dom66.de>
parents: 421
diff changeset
346 shift $((OPTIND-1))
421
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diff changeset
347 OPTIND=1
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diff changeset
348
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diff changeset
349 _ds_source="${1-}"
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diff changeset
350 _ds_target="${2-}"
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parents: 408
diff changeset
351
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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parents: 408
diff changeset
352 [ -z "${_ds_source}" ] && { echo "ERROR: no source given" 1>&2; return 2; }
423
1d6ee78f06ef FIX: Another typo in variable name (COPY-PASTE)
Franz Glasner <fzglas.hg@dom66.de>
parents: 422
diff changeset
353 [ -z "${_ds_target}" ] && { echo "ERROR: no target name given" 1>&2; return 2; }
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
354
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
355 if ! zfs get -H name "${_ds_source}" >/dev/null 2>&1; then
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
356 echo "ERROR: source dataset does not exist: ${_ds_source}" 1>&2;
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
357 return 1;
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
358 fi
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
359 if zfs get -H name "${_ds_target}" >/dev/null 2>&1; then
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
360 echo "ERROR: target dataset already exists: ${_ds_target}" 1>&2;
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
361 return 1;
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
362 fi
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
363
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
364 _ds_source_base="${_ds_source%@*}"
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
365 _ds_source_snapshot="${_ds_source##*@}"
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
366 _snapshot_suffix="@${_ds_source_snapshot}"
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
367
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
368 if [ "${_ds_source_snapshot}" = "${_ds_source_base}" ]; then
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
369 # No snapshot given
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
370 [ "${_ds_source_base}" = "${_ds_source}" ] || { echo "ERROR:" 1>&2; return 1; }
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
371 _ds_source_snapshot=""
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
372 _snapshot_suffix=""
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
373 fi
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
374
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
375 _ds_tree=""
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
376
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
377 while IFS=$'\n' read -r _ds; do
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
378 if [ -z "${_ds_tree}" ]; then
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
379 _ds_tree="${_ds}"
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
380 else
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
381 _ds_tree="${_ds_tree}"$'\n'"${_ds}"
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
382 fi
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
383 done <<EOF20ee7ea0781414fab8c305d3875d15e
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
384 $(zfs list -H -r -t filesystem -o name -s name "${_ds_source_base}")
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
385 EOF20ee7ea0781414fab8c305d3875d15e
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
386 # Check the existence of all intermediate datasets and their shapshots
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
387 IFS=$'\n'
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
388 for _ds in ${_ds_tree}; do
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
389 if ! zfs get -H name "${_ds}${_snapshot_suffix}" >/dev/null 2>&1; then
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
390 echo "ERROR: child dataset does not exist: ${_ds}${_snapshot_suffix}" 1>&2
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
391 return 1
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
392 fi
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
393 done
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
394 IFS=$'\n'
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
395 for _ds in ${_ds_tree}; do
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
396 # Reset IFS
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
397 IFS=$' \t\n'
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
398
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
399 # Determine the relative name of the dataset
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
400 _ds_relname="${_ds#${_ds_source_base}}"
426
2cd4777821fc More work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 424
diff changeset
401
2cd4777821fc More work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 424
diff changeset
402 _ds_canmount=$(zfs get -H -o value canmount "${_ds}")
2cd4777821fc More work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 424
diff changeset
403
2cd4777821fc More work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 424
diff changeset
404 if [ "${_ds_canmount}" = "off" ]; then
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
405 _arg_canmount="-o canmount=off"
426
2cd4777821fc More work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 424
diff changeset
406 else
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
407 _arg_canmount="${_opt_mount_noauto}"
426
2cd4777821fc More work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 424
diff changeset
408 fi
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
409
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
410 if [ -z "${_ds_relname}" ]; then
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
411 #
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
412 # Source root to target root
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
413 #
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
414 if [ -z "${_opt_mountpoint}" ]; then
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
415 _arg_mp1=-x
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
416 _arg_mp2=mountpoint
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
417 else
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
418 _arg_mp1=-o
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
419 _arg_mp2="mountpoint=${_opt_mountpoint}"
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
420 fi
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
421 else
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
422 _arg_mp1=-x
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
423 _arg_mp2=mountpoint
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
424 fi
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
425 if [ -z "${_opt_dry_run}" ]; then
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
426 zfs send -Lec -p -v "${_ds}${_snapshot_suffix}" | zfs receive -v ${_opt_nomount} ${_arg_canmount} ${_arg_mp1} "${_arg_mp2}" "${_ds_target}${_ds_relname}"
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
427 else
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
428 echo "Would execute: zfs send -Lec -p -v '${_ds}${_snapshot_suffix}' | zfs receive -v ${_opt_nomount} ${_arg_canmount} ${_arg_mp1} '${_arg_mp2}' '${_ds_target}${_ds_relname}'"
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
429 fi
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
430 # for the loop
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
431 IFS=$'\n'
424
a200c18603c9 Further work on "fzfs copy-tree"
Franz Glasner <fzglas.hg@dom66.de>
parents: 423
diff changeset
432 done
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
433 # Reset to default
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
434 IFS=$' \t\n'
429
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
435 # Remove received snapshots by default
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
436 if [ -n "${_ds_source_snapshot}" ]; then
429
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
437 if [ -z "${_opt_keep}" ]; then
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
438 if [ -z "${_opt_dry_run}" ]; then
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
439 zfs destroy -rv "${_ds_target}${_snapshot_suffix}"
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
440 else
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
441 echo "Would execute: zfs destroy -rv '${_ds_target}${_snapshot_suffix}'"
bbdb1ab0ea00 Implement "-k" option for "fzfs copy-tree" to keep received snapshots
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
442 fi
428
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
443 fi
824e88618376 The first version of "fzfs copy-tree" completed
Franz Glasner <hg@dom66.de>
parents: 427
diff changeset
444 fi
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
445 }
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
446
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
447
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
448 #:
520
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
449 #: Implementation of "clone-tree"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
450 #:
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
451 command_clone_tree() {
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
452 local _ds_source _ds_dest
521
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
453 local _opt_keep _opt_dry_run
520
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
454
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
455 local _ds snapshot_name _ds_source_base _ds_relname
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
456 local _ds_canmount _ds_mountpoint
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
457 local _clone_props _arg_canmount _arg_other_clone_props
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
458 local _opt _idx _idx_lp _prop _propval
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
459
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
460 _opt_dry_run=""
521
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
461 _opt_keep=""
520
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
462
521
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
463 while getopts "kn" _opt ; do
520
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
464 case ${_opt} in
521
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
465 k)
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
466 _opt_keep="yes"
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
467 ;;
520
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
468 n)
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
469 _opt_dry_run="yes"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
470 ;;
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
471 \?|:)
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
472 return 2;
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
473 ;;
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
474 esac
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
475 done
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
476 shift $((OPTIND-1))
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
477 OPTIND=1
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
478
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
479 _ds_source="${1-}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
480 _ds_dest="${2-}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
481
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
482 [ -z "${_ds_source}" ] && { err "no source dataset/snapshot given"; return 2; }
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
483 [ -z "${_ds_dest}" ] && { err "no destination name given"; return 2; }
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
484
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
485 if ! zfs get -H name "${_ds_source}" >/dev/null 2>&1; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
486 err "source dataset does not exist: ${_ds_source}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
487 return 1
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
488 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
489 if zfs get -H name "${_ds_dest}" >/dev/null 2>&1; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
490 err "destination dataset already exists: ${_ds_dest}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
491 return 1
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
492 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
493
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
494 _ds_source_base="${_ds_source%@*}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
495 _snapshot_name="${_ds_source##*@}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
496
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
497 if [ "${_ds_source_base}" = "${_snapshot_name}" ]; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
498 err "no snapshot given"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
499 return 1
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
500 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
501
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
502 array_create _ds_tree
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
503
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
504 while IFS=$'\n' read -r _ds; do
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
505 array_append _ds_tree "${_ds}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
506 done <<EOF_9ef07253679011efa78174d435fd3892
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
507 $(zfs list -H -r -t filesystem -o name -s name "${_ds_source_base}")
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
508 EOF_9ef07253679011efa78174d435fd3892
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
509
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
510 # Check the existence of all intermediate datasets and their shapshots
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
511 _idx=1
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
512 while array_tryget _ds _ds_tree ${_idx}; do
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
513 if ! zfs get -H name "${_ds}@${_snapshot_name}" >/dev/null 2>&1; then
521
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
514 err "child dataset (snapshot) does not exist: ${_ds}@${_snapshot_name}" 1>&2
520
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
515 return 1
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
516 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
517 _idx=$((${_idx} + 1))
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
518 done
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
519
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
520 array_create _cloned_datasets
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
521 alist_create _local_props
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
522
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
523 #
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
524 # 1. Clone with "safe" canmount settings
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
525 #
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
526
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
527 _idx=1
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
528 while array_tryget _ds _ds_tree ${_idx}; do
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
529 # Determine the relative name of the dataset
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
530 _ds_relname="${_ds#${_ds_source_base}}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
531
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
532 # Need to determine in *every* case (local, default, received, ...)
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
533 _ds_canmount="$(zfs get -H -o value canmount "${_ds}")"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
534
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
535 alist_clear _local_props
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
536 while IFS=$'\t' read -r _prop _propval ; do
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
537 alist_set _local_props "${_prop}" "${_propval}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
538 done <<EOF_ce8c76187f33471f8e8c1607ed09c42e
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
539 $(zfs get -H -o property,value -s local,received all "${_ds}")
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
540 EOF_ce8c76187f33471f8e8c1607ed09c42e
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
541
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
542 #
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
543 # - "zfs clone" does NOT copy/clone properties.
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
544 #
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
545 # Clones inherit their properties from the target filesystem
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
546 # context or are set back to their ZFS default.
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
547 #
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
548 if [ "${_ds_canmount}" = "off" ]; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
549 _arg_canmount="-o canmount=off"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
550 else
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
551 _arg_canmount="-o canmount=noauto"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
552 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
553
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
554 # Copy all local props with the exception of canmount and mountpoint
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
555 _arg_other_clone_props=""
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
556 _idx_lp=1
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
557 while alist_tryget_key_at_index _prop _local_props ${_idx_lp}; do
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
558 if [ "${_prop}" = "mountpoint" ]; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
559 _idx_lp=$((${_idx_lp} + 1))
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
560 continue
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
561 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
562 if [ "${_prop}" = "canmount" ]; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
563 _idx_lp=$((${_idx_lp} + 1))
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
564 continue
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
565 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
566 alist_tryget_value_at_index _propvalue _local_props ${_idx_lp}
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
567 _arg_other_clone_props="${_arg_other_clone_props} -o ${_prop}=${_propvalue}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
568 _idx_lp=$((${_idx_lp} + 1))
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
569 done
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
570
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
571 if ! checkyes _opt_dry_run; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
572 echo "Cloning ${_ds}@${_snapshot_name} into ${_ds_dest}${_ds_relname} with ${_arg_canmount} ${_arg_other_clone_props}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
573 if zfs clone ${_arg_canmount} ${_arg_other_clone_props} "${_ds}@${_snapshot_name}" "${_ds_dest}${_ds_relname}"; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
574 array_append _cloned_datasets "${_ds_dest}${_ds_relname}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
575 else
521
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
576 if ! checkyes _opt_keep; then
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
577 _destroy_datasets _cloned_datasets || true
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
578 fi
520
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
579 return 1
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
580 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
581 else
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
582 echo "Would execute: zfs clone ${_arg_canmount} ${_arg_other_clone_props} '${_ds}@${_snapshot_name}' '${_ds_dest}${_ds_relname}'"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
583 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
584 _idx=$((${_idx} + 1))
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
585 done
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
586
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
587 #
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
588 # 2. Copy property mountpoint for root and inherit for all children;
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
589 # also handle canmount.
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
590 #
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
591 _idx=1
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
592 while array_tryget _ds _ds_tree ${_idx}; do
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
593 # Determine the relative name of the dataset
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
594 _ds_relname="${_ds#${_ds_source_base}}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
595
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
596 # Need to determine in *every* case (default, local, received, ...)
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
597 _ds_canmount="$(zfs get -H -o value canmount "${_ds}")"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
598 # Local mountpoint
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
599 _ds_mountpoint="$(zfs get -H -o value -s local,received mountpoint "${_ds}")"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
600
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
601 if [ \( "${_ds_canmount}" = "off" \) -o \( "${_ds_canmount}" = "noauto" \) ]; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
602 #
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
603 # Already handled above because "nomount" is the default if not
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
604 # already set to "off".
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
605 #
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
606 _arg_canmount=""
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
607 else
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
608 _arg_canmount="-o canmount=${_ds_canmount}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
609 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
610
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
611 if [ \( -n "${_arg_canmount}" \) -o \( -n "${_ds_mountpoint}" \) ]; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
612 if ! checkyes _opt_dry_run; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
613 # If a local or received mountpoint is given set it here
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
614 if [ -n "${_ds_mountpoint}" ]; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
615 echo "Correcting properties for ${_ds_dest}${_ds_relname}: ${_arg_canmount} mountpoint=\"${_ds_mountpoint}\""
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
616 zfs set -u ${_arg_canmount} mountpoint="${_ds_mountpoint}" "${_ds_dest}${_ds_relname}" || true
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
617 else
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
618 echo "Correcting properties for ${_ds_dest}${_ds_relname}: ${_arg_canmount}"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
619 zfs set -u ${_arg_canmount} "${_ds_dest}${_ds_relname}" || true
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
620 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
621 else
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
622 # If a local or received mountpoint is given set it here
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
623 if [ -n "${_ds_mountpoint}" ]; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
624 echo "Would execute: zfs set -u ${_arg_canmount} mountpoint='${_ds_mountpoint}' '${_ds_dest}${_ds_relname}'"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
625 else
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
626 echo "Would execute: zfs set -u ${_arg_canmount} '${_ds_dest}${_ds_relname}'"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
627 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
628 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
629 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
630 _idx=$((${_idx} + 1))
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
631 done
521
c05ef1c86c9c fzfs: Implement option "-k" for clone-tree and mount to keep cloned datasets or keep datasets mounted on errors
Franz Glasner <fzglas.hg@dom66.de>
parents: 520
diff changeset
632 array_destroy _cloned_datasets
520
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
633 return 0
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
634 }
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
635
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
636
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
637 #:
380
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
638 #: Implement the "create-tree" command
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
639 #:
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
640 #: Create a ZFS dataset tree from a source tree tree including important properties
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
641 #:
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
642 command_create_tree() {
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
643 local _source_ds _target_ds
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
644 local _opt_dry_run _opt_mountpoint _opt_noauto _opt_nomount _opt_canmount_parent_only
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
645
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
646 local _opt _source_name _snapshot_name _current_name _current_type _relative_name _zfs_opts _zfs_canmount _zfs_mountpoint
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
647
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
648 _opt_noauto=""
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
649 _opt_dry_run=""
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
650 _opt_mountpoint=""
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
651 _opt_nomount=""
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
652 _opt_canmount_parent_only=""
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
653
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
654 while getopts "AM:npu" _opt ; do
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
655 case ${_opt} in
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
656 A)
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
657 _opt_noauto="-o canmount=noauto"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
658 ;;
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
659 M)
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
660 _opt_mountpoint="${OPTARG}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
661 ;;
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
662 n)
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
663 _opt_dry_run="yes"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
664 ;;
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
665 p)
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
666 _opt_canmount_parent_only="yes"
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
667 ;;
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
668 u)
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
669 _opt_nomount="-u"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
670 ;;
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
671 \?|:)
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
672 return 2;
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
673 ;;
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
674 esac
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
675 done
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
676 shift $((OPTIND-1))
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
677 OPTIND=1
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
678
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
679 _source_ds="${1-}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
680 _target_ds="${2-}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
681
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
682 [ -z "${_source_ds}" ] && { echo "ERROR: no source dataset given" 1>&2; return 2; }
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
683 [ -z "${_target_ds}" ] && { echo "ERROR: no destination dataset given" 1>&2; return 2; }
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
684
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
685 _source_name="${_source_ds%@*}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
686 if [ "${_source_name}" != "${_source_ds}" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
687 _snapshot_name="${_source_ds##*@}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
688 else
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
689 _snapshot_name=""
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
690 fi
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
691
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
692 [ -n "${_snapshot_name}" ] && { echo "ERROR: No snapshot sources are supported yet" 1>&2; return 2; }
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
693
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
694 zfs list -H -r -t filesystem -o name,type "${_source_ds}" \
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
695 | {
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
696 while IFS=$'\t' read -r _current_name _current_type ; do
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
697 # Determine the relative name of the dataset
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
698 _relative_name="${_current_name#${_source_name}}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
699 _relative_name="${_relative_name%@*}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
700 if [ "${_current_type}" != "filesystem" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
701 echo "ERROR: Got a snapshot but expected a filesystem" 1>&2
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
702 return 1
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
703 fi
441
f06998866c01 Renamed local helper function
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
704 _zfs_opts="$(_get_local_zfs_properties_for_create "${_current_name}" atime exec setuid compression primarycache sync readonly)"
380
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
705 if [ -z "${_relative_name}" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
706 #
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
707 # Root
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
708 #
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
709 if [ -z "${_opt_noauto}" ]; then
441
f06998866c01 Renamed local helper function
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
710 _zfs_canmount="$(_get_local_zfs_properties_for_create "${_current_name}" canmount)"
380
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
711 else
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
712 _zfs_canmount="${_opt_noauto}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
713 fi
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
714 if [ -n "${_opt_mountpoint}" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
715 _zfs_mountpoint="${_opt_mountpoint}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
716 else
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
717 _zfs_mountpoint=""
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
718 fi
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
719
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
720 if [ "${_opt_dry_run}" = "yes" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
721 if [ -z "${_zfs_mountpoint}" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
722 echo "Would call: zfs create ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} ${_target_ds}${_relative_name}"
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
723 else
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
724 echo "Would call: zfs create ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} -o mountpoint=${_zfs_mountpoint} ${_target_ds}${_relative_name}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
725 fi
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
726 else
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
727 if [ -z "${_zfs_mountpoint}" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
728 zfs create -v ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} "${_target_ds}${_relative_name}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
729 else
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
730 zfs create -v ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} -o "mountpoint=${_zfs_mountpoint}" "${_target_ds}${_relative_name}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
731 fi
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
732 fi
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
733 else
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
734 #
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
735 # Children
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
736 #
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
737 if [ -z "${_opt_noauto}" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
738 if [ "${_opt_canmount_parent_only}" = "yes" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
739 _zfs_canmount=""
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
740 else
441
f06998866c01 Renamed local helper function
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
741 _zfs_canmount="$(_get_local_zfs_properties_for_create "${_current_name}" canmount)"
380
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
742 fi
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
743 else
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
744 _zfs_canmount="${_opt_noauto}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
745 fi
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
746 if [ "${_opt_dry_run}" = "yes" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
747 echo "Would call: zfs create ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} ${_target_ds}${_relative_name}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
748 else
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
749 zfs create -v ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} "${_target_ds}${_relative_name}"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
750 fi
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
751 fi
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
752 done
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
753 }
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
754 return 0
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
755 }
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
756
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
757
520
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
758 #:
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
759 #: Helper to destroy some created ZFS filesystems
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
760 #:
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
761 #: Args:
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
762 #: $1 (str): The name of the array that contains the datasets to destroy to
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
763 #:
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
764 #: Returns:
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
765 #: 0 if successfully destroyed all given datasets,
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
766 #: 1 otherwise
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
767 #:
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
768 #: Destruction is done in the reverse order.
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
769 #:
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
770 _destroy_datasets() {
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
771 array_reversed_for_each "$1" _destroy_datasets_destroy
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
772 }
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
773
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
774
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
775 #:
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
776 #: Array callback to destroy a single ZFS filesystem
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
777 #:
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
778 _destroy_datasets_destroy() {
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
779 if ! zfs destroy -v "$3" ; then
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
780 warn "Dataset \`${3}' cannot unmounted"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
781 return 1
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
782 fi
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
783 return 0
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
784 }
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
785
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
786
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
787 #
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
788 # Global option handling
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
789 #
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
790 while getopts "Vh" _opt ; do
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
791 case ${_opt} in
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
792 V)
408
bb0a0384b5da FIX: Program name in fzfs's version string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 386
diff changeset
793 printf 'fzfs %s\n' '@@SIMPLEVERSIONSTR@@'
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
794 exit 0
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
795 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
796 h)
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
797 echo "${USAGE}"
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
798 exit 0
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
799 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
800 \?)
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
801 exit 2;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
802 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
803 *)
497
eb42828c0cbf Use the new output routinges for errors in fzfs' global error handling
Franz Glasner <fzglas.hg@dom66.de>
parents: 492
diff changeset
804 fatal 2 "option handling failed" 1>&2
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
805 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
806 esac
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
807 done
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
808 #
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
809 # Reset the Shell's option handling system to prepare for handling
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
810 # command-local options.
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
811 #
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
812 shift $((OPTIND-1))
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
813 OPTIND=1
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
814
497
eb42828c0cbf Use the new output routinges for errors in fzfs' global error handling
Franz Glasner <fzglas.hg@dom66.de>
parents: 492
diff changeset
815 test $# -gt 0 || fatal 2 "no command given"
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
816
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
817 command="$1"
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
818 shift
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
819
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
820 case "${command}" in
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
821 mount)
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
822 command_mount "$@"
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
823 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
824 umount|unmount)
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
825 command_umount "$@"
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
826 ;;
520
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
827 clone-tree)
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
828 command_clone_tree "$@"
7d08fd78775c fzfs: implement "fzfs clone-tree".
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
829 ;;
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
830 copy-tree)
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
831 command_copy_tree "$@"
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
832 ;;
380
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
833 create-tree)
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
834 command_create_tree "$@"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
835 ;;
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
836 *)
497
eb42828c0cbf Use the new output routinges for errors in fzfs' global error handling
Franz Glasner <fzglas.hg@dom66.de>
parents: 492
diff changeset
837 fatal 2 "unknown command \`${command}'" 1>&2
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
838 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
839 esac