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annotate sbin/ftjail @ 239:23f37702a502

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Creating datasets for base and skeleton
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 09 Sep 2022 21:48:29 +0200
parents 9b0d83703a28
children 04fde1941966
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1 #!/bin/sh
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2 # -*- indent-tabs-mode: nil; -*-
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3 : 'A very minimal BSD Thin Jail management tool.
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4
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5 :Author: Franz Glasner
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6 :Copyright: (c) 2022 Franz Glasner.
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7 All rights reserved.
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8 :License: BSD 3-Clause "New" or "Revised" License.
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9 See LICENSE for details.
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10 If you cannot find LICENSE see
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11 <https://opensource.org/licenses/BSD-3-Clause>
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12 :ID: @(#)@@PKGORIGIN@@ $HGid$
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13
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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: ftjail [ 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 datasets-tmpl [OPTIONS] PARENT-BASE PARENT-SKELETON NAME
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32
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33 Create the ZFS template datasets, i.e. the ro base and the rw
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34 skeleton to be used within thin jails jails
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36 PARENT-BASE and PARENT-SKELETON must exist already and NAME must
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37 not exist.
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38
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39 The datasets will not be mounted.
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40
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41 ENVIRONMENT:
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43 All environment variables that affect "zfs" are effective also.
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44
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45 DESCRIPTION:
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46
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47 All commands with the exception of "populate" require ZFS as
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48 filesystem.
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49 '
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50
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51 # Reset to standard umask
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52 umask 0022
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53
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55 _get_dataset_for_mountpoint() {
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56 : 'Use `mount -t zfs -p` to determine the ZFS dataset for a given mountpoint.
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57
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58 '
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59 local _mountpoint
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60 local _ds _mount _rest
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62 _mountpoint="$1"
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64 mount -t zfs -p \
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65 | {
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66 while IFS=' '$'\t' read -r _ds _mount _rest ; do
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67 if [ "$_mount" = "$_mountpoint" ]; then
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68 echo "${_ds}"
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69 return 0
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70 fi
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71 done
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72 return 1
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73 }
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74 }
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75
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76
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77 #
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78 # PARENT-BASE NAME DRY-RUN
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79 #
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80 command_datasets_tmpl_base() {
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81 local _p_base _name _dry_run
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82
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83 local _ds_base
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85 _p_base="${1-}"
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86 _name="${2-}"
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87 _dry_run="${3-}"
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88
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89 if [ -z "${_p_base}" ]; then
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90 echo "ERROR: no parent dataset for base given" >&2
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91 return 2
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92 fi
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93 if [ -z "${_name}" ]; then
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94 echo "ERROR: no name given" >&2
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95 return 2
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96 fi
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97
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98 if ! zfs list -H -o mountpoint -t filesystem "${_p_base}" >/dev/null 2>/dev/null; then
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99 echo "ERROR: parent dataset \`${_p_base}' does not exist" >&2
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100 return 1
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101 fi
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102 _ds_base="${_p_base}/${_name}"
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103 if zfs list -H -o mountpoint -t filesystem "${_ds_base}" >/dev/null 2>/dev/null; then
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104 echo "ERROR: dataset \`${_ds_base}' does already exist" >&2
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105 return 1
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106 fi
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107
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108
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109 [ "${_dry_run}" = "yes" ] && return 0
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110
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111 echo "Creating RO base datasets in:"
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112 printf "\\t%s\\n" "${_ds_base}"
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113
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114 zfs create -u -o canmount=noauto "${_ds_base}"
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115
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116 }
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118
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119 #
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120 # SKELETON NAME DRY-RUN
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121 #
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122 command_datasets_tmpl_skel() {
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123 local _p_base _name _dry_run
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124
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125 local _ds_skel _child _child_zfsopts
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126
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127 _p_skel="${1-}"
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128 _name="${2-}"
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129 _dry_run="${3-}"
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130
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131 if [ -z "${_p_skel}" ]; then
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132 echo "ERROR: no parent dataset for skeleton given" >&2
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133 return 2
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134 fi
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135 if [ -z "${_name}" ]; then
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136 echo "ERROR: no name given" >&2
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137 return 2
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138 fi
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139
238
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140 if ! zfs list -H -o mountpoint -t filesystem "${_p_skel}" >/dev/null 2>/dev/null; then
236
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141 echo "ERROR: parent dataset \`${_p_skel}' does not exist" >&2
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142 return 1
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143 fi
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144 _ds_skel="${_p_skel}/${_name}"
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145 if zfs list -H -o mountpoint -t filesystem "${_ds_skel}" >/dev/null 2>/dev/null; then
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146 echo "ERROR: dataset \`${_ds_skel}' does already exist" >&2
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147 return 1
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148 fi
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149
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150
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151 [ "${_dry_run}" = "yes" ] && return 0
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152
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153 echo "Creating RW skeleton datasets in:"
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154 printf "\\t%s\\n" "${_ds_skel}"
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155
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156 zfs create -u -o canmount=noauto "${_ds_skel}"
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157 zfs create -u -o canmount=off "${_ds_skel}/usr"
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158 #
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159 # XXX FIXME: What about usr/ports/distfiles
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160 # We typically want to use binary packages.
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161 # And if we use ports they are not in usr/ports typically.
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162 #
239
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163 #zfs create -u -o canmount=off "${_ds_skel}/usr/ports"
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164 #
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165 # XXX FIXME: What about home
237
a38906739422 Drop a note about /home in skel-rw
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166 #
239
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167 for _child in etc home root tmp usr/local var ; do
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168 case "${_child}" in
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169 "tmp"|"var/tmp")
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170 _child_zfsopts="-o sync=disabled -o setuid=off"
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171 ;;
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172 "home")
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173 _child_zfsopts="-o setuid=off"
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174 ;;
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175 "usr/ports/distfiles")
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176 _child_zfsopts="-o exec=off -o setuid=off -o compression=off -o primarycache=metadata"
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177 ;;
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178 "var/mail")
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179 _child_zfsopts="-o atime=on -o exec=off -o setuid=off"
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180 ;;
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181 *)
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182 _child_zfsopts=""
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183 ;;
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184 esac
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185 zfs create -u -o canmount=noauto ${_child_zfsopts} "${_ds_skel}/${_child}"
236
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186 done
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187 }
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188
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189
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190 #
235
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191 # "datasets-tmpl" -- create the ZFS dataset tree
233
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192 #
234
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193 # PARENT-BASE PARENT-SKELETON NAME
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194 #
235
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195 command_datasets_tmpl() {
233
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196 # parent ZFS dataset -- child ZFS dataset name
234
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197 local _p_base _p_skel _name
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198 local _zfsopts
235
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199 local _ds_base _ds_skel
234
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200
235
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201 _zfsopts="-u -o canmount=noauto"
233
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202
236
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203 _p_base="${1-}"
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204 _p_skel="${2-}"
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205 _name="${3-}"
234
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diff changeset
206
236
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207 # Check preconditions
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208 command_datasets_tmpl_base "${_p_base}" "${_name}" "yes" || return
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209 command_datasets_tmpl_skel "${_p_skel}" "${_name}" "yes" || return
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diff changeset
210
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211 # Really do it
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212 command_datasets_tmpl_base "${_p_base}" "${_name}" || return
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213 command_datasets_tmpl_skel "${_p_skel}" "${_name}" || return
235
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diff changeset
214 return 0
233
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215
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216 #
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217 # NOTE: For BEs these directory will be *excluded* from the BE
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218 #
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219 # /tmp
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220 # /usr/home
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221 # /usr/ports
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222 # /usr/src
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223 # /var/audit
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224 # /var/crash
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225 # /var/log
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226 # /var/mail
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227 # /var/tmp
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228 #
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229 zfs create ${_zfsopts} ${_zfsnoauto} -o atime=off "${_ds}"
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230 zfs create ${_zfsopts} ${_zfsnoauto} -o sync=disabled -o setuid=off "${_ds}/tmp"
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231 if [ "${_tiny}" != "extra" ]; then
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232 if [ "${_tiny}" = "yes" ]; then
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233 zfs create ${_zfsopts} -o canmount=off "${_ds}/usr"
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234 else
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235 zfs create ${_zfsopts} ${_zfsnoauto} "${_ds}/usr"
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236 fi
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237 zfs create ${_zfsopts} ${_zfsnoauto} -o setuid=off "${_ds}/usr/home"
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238 zfs create ${_zfsopts} ${_zfsnoauto} "${_ds}/usr/local"
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239 fi
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240 if [ \( "${_tiny}" = "yes" \) -o \( "${_tiny}" = "extra" \) ]; then
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241 zfs create ${_zfsopts} -o canmount=off "${_ds}/var"
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242 else
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243 zfs create ${_zfsopts} ${_zfsnoauto} "${_ds}/var"
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244 fi
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245 if [ "${_tiny}" != "extra" ]; then
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246 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off "${_ds}/var/audit"
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247 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off "${_ds}/var/cache"
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248 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off -o primarycache=metadata -o compression=off "${_ds}/var/cache/pkg"
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249 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off -o compression=off "${_ds}/var/crash"
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parents:
diff changeset
250 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
251 if [ "$_fbsdupdate" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
252 if [ \( "${_tiny}" = "yes" \) -o \( "${_tiny}" = "extra" \) ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
253 zfs create ${_zfsopts} -o canmount=off -o exec=off -o setuid=off "${_ds}/var/db"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
254 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
255 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off "${_ds}/var/db"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
256 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
257 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off -o primarycache=metadata -o compression=off "${_ds}/var/db/freebsd-update"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
258 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
259 zfs create ${_zfsopts} ${_zfsnoauto} ${_varempty_ro} -o exec=off -o setuid=off "${_ds}/var/empty"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
260 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off -o primarycache=metadata "${_ds}/var/log"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
261 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off -o atime=on "${_ds}/var/mail"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
262 zfs create ${_zfsopts} ${_zfsnoauto} -o sync=disabled -o exec=off -o setuid=off -o compression=off -o primarycache=all "${_ds}/var/run"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
263 zfs create ${_zfsopts} ${_zfsnoauto} -o sync=disabled -o setuid=off "${_ds}/var/tmp"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
264 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
265
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
266
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
267 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
268 # "populate" -- populate the datasets with content from a FreeBSD base.txz
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
269 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
270 # command_populate mountpoint basetxz
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
271 #
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
272 command_populate() {
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
273 # MOUNTPOINT -- base.txz
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
274 local _mp _basetxz
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
275
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
276 _mp="$1"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
277 _basetxz="$2"
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
278
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
279 if [ -z "${_mp}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
280 echo "ERROR: no mountpoint given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
281 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
282 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
283 if [ -z "${_basetxz}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
284 echo "ERROR: no base.txz given" >&2
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
285 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
286 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
287 if [ ! -d "${_mp}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
288 echo "ERROR: mountpoint \`${_mp}' does not exist" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
289 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
290 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
291 if [ ! -r "${_basetxz}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
292 echo "ERROR: file \`${_basetxz}' is not readable" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
293 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
294 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
295
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
296 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
297 # Handle /var/empty separately later: could be already there and
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
298 # mounted read-only.
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
299 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
300 tar -C "${_mp}" --exclude=./var/empty -xJp -f "${_basetxz}" || { echo "ERROR: tar encountered errors" >&2; return 1; }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
301 if [ -d "${_mp}/var/empty" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
302 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
303 # If /var/empty exists already try to extract with changing the
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
304 # flags (e.g. `schg'). But be ignore errors here.
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
305 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
306 tar -C "${_mp}" -xJp -f "${_basetxz}" ./var/empty || { echo "tar warnings for handling ./var/empty ignored because ./var/empty exists already" >&2; }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
307 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
308 # Just extract /var/empty normally
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
309 tar -C "${_mp}" -xJp -f "${_basetxz}" ./var/empty || { echo "ERROR: tar encountered errors" >&2; return 1; }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
310 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
311
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
312 find "${_mp}/boot" -type f -delete
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
313 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
314
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
315
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
316 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
317 # "mount" -- recursively mount a dataset including subordinate datasets
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
318 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
319 # command_mount dataset mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
320 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
321 command_mount() {
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
322 local _dsname _mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
323 local _name _mp _canmount _mounted
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
324 local _rootds_mountpoint _relative_mp _real_mp
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
325 local _dry_run _mount_outside _mount_natural
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
326
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
327 _dry_run=""
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
328 _mount_outside=""
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
329 _mount_natural=""
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
330 while getopts "ONnu" _opt ; do
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
331 case ${_opt} in
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
332 O)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
333 _mount_outside="yes"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
334 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
335 N)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
336 _mount_natural="yes"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
337 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
338 n|u)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
339 _dry_run="yes"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
340 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
341 \?|:)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
342 return 2;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
343 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
344 esac
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
345 done
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
346 shift $((OPTIND-1))
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
347 OPTIND=1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
348
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
349 _dsname="${1-}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
350 _mountpoint="${2-}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
351
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
352 if [ -z "${_dsname}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
353 echo "ERROR: no dataset given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
354 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
355 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
356
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
357 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
358 { echo "ERROR: root dataset does not exist" >&2; return 1; }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
359
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
360 if [ -z "${_mountpoint}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
361 if [ "${_mount_natural}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
362 _mountpoint="${_rootds_mountpoint}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
363 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
364 echo "ERROR: no mountpoint given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
365 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
366 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
367 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
368 if [ "${_mount_natural}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
369 echo "ERROR: Cannot have a custom mountpoint when \"-O\" is given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
370 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
371 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
372 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
373
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
374 # Eventually remove a trailing slash
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
375 _mountpoint="${_mountpoint%/}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
376 if [ -z "${_mountpoint}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
377 echo "ERROR: would mount over the root filesystem" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
378 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
379 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
380
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
381 zfs list -H -o name,mountpoint,canmount,mounted -s mountpoint -t filesystem -r "${_dsname}" \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
382 | {
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
383 while IFS=$'\t' read -r _name _mp _canmount _mounted ; do
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
384 # Skip filesystems that are already mounted
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
385 [ "${_mounted}" = "yes" ] && continue
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
386 # Skip filesystems that must not be mounted
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
387 [ "${_canmount}" = "off" ] && continue
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
388 case "${_mp}" in
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
389 "none"|"legacy")
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
390 # Do nothing for filesystem with unset or legacy mountpoints
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
391 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
392 "${_rootds_mountpoint}"|"${_rootds_mountpoint}/"*)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
393 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
394 # Handle only mountpoints that have a mountpoint below
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
395 # the parent datasets mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
396 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
397
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
398 # Determine the mountpoint relative to the parent mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
399 _relative_mp="${_mp#${_rootds_mountpoint}}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
400 # Eventually remove a trailing slash
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
401 _relative_mp="${_relative_mp%/}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
402 # The real effective full mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
403 _real_mp="${_mountpoint}${_relative_mp}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
404
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
405 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
406 # Consistency and sanity check: computed real mountpoint must
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
407 # be equal to the configured mountpoint when no custom mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
408 # is given.
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
409 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
410 if [ "${_mount_natural}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
411 if [ "${_real_mp}" != "${_mp}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
412 echo "ERROR: mountpoint mismatch" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
413 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
414 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
415 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
416
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
417 if [ "${_dry_run}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
418 echo "Would mount ${_name} on ${_real_mp}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
419 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
420 mkdir -p "${_real_mp}" 1> /dev/null 2> /dev/null || \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
421 { echo "ERROR: cannot create mountpoint ${_real_mp}" >&2; return 1; }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
422 echo "Mounting ${_name} on ${_real_mp}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
423 mount -t zfs "${_name}" "${_real_mp}" || return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
424 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
425 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
426 *)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
427 if [ "${_mount_outside}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
428 if [ "${_dry_run}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
429 echo "Would mount ${_name} on configured ZFS dataset mountpoint ${_mp}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
430 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
431 echo "Mounting ${_name} on configured ZFS dataset mountpoint ${_mp}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
432 zfs mount "${_name}" || return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
433 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
434 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
435 echo "Skipping ${_name} because its configured ZFS mountpoint is not relative to given root dataset" 2>&1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
436 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
437 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
438 esac
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
439 done
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
440
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
441 return 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
442 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
443 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
444
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
445
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
446 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
447 # "umount" -- Recursively unmount ZFS datasets
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
448 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
449 # command_umount dataset
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
450 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
451 command_umount() {
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
452 local _dsname
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
453 local _name _mp _rest
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
454 local _rootds_mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
455
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
456 _dsname="${1-}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
457 [ -z "${_dsname}" ] && \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
458 { echo "ERROR: no dataset given" >&2; return 2; }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
459
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
460 # Just determine whether the given dataset name exists
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
461 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || { echo "ERROR: dataset not found" >&2; return 1; }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
462
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
463 mount -t zfs -p \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
464 | grep -E "^${_dsname}(/|\s)" \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
465 | sort -n -r \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
466 | {
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
467 while IFS=' '$'\t' read -r _name _mp _rest ; do
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
468 echo "Umounting ${_name} on ${_mp}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
469 umount "${_mp}" || return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
470 done
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
471 return 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
472 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
473 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
474
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
475
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
476 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
477 # Global option handling
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
478 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
479 while getopts "Vh" _opt ; do
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
480 case ${_opt} in
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
481 V)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
482 printf 'ftjail v%s (rv:%s)\n' "${VERSION}" '@@HGREVISION@@'
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
483 exit 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
484 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
485 h)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
486 echo "${USAGE}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
487 exit 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
488 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
489 \?)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
490 exit 2;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
491 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
492 *)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
493 echo "ERROR: option handling failed" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
494 exit 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
495 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
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496 esac
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497 done
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498
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499 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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500 # Reset the Shell's option handling system to prepare for handling
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501 # command-local options.
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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502 #
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503 shift $((OPTIND-1))
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504 OPTIND=1
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505
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506 test $# -gt 0 || { echo "ERROR: no command given" >&2; exit 2; }
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507
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508 command="$1"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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509 shift
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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510
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511 case "${command}" in
235
85aea8ca1ab8 Some work on datasets-tmpl
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512 datasets-tmpl)
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513 command_datasets_tmpl "$@"
233
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514 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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515 populate)
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516 command_populate "$@"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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517 ;;
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518 *)
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519 echo "ERROR: unknown command \`${command}'" >&2
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520 exit 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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521 ;;
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522 esac