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annotate sbin/ftjail @ 250:c4d835ccb4ae

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Implement configure for symlinked skeletons. Automatically decide if "etc" is a symlink to "skeleton/etc".
author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 11 Sep 2022 13:58:08 +0200
parents a91e1c5173cc
children 7a6c03445ba1
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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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14 '
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15
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16 set -eu
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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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39 The datasets will not be mounted.
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40
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41 mount-tmpl [ OPTIONS ] BASE-RO SKELETON-RW MOUNTPOINT
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42
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43 Canonically mount the RO base and the RW skeleton into MOUNTPOINT and
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44 MOUNTPOINT/skeleton
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46 -L Mount the skeleton into a "skeleton" subdirectory
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47 -P Mount the skeleton directly over the base
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48 -n Do not really mount but show what would be mounted where
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49 -u Alias of -n
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50
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51 umount-tmpl BASE-RO SKELETON-RW
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52
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53 Unmount mounted datasets BASE-RO and SKELETON-RW
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54
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55 interlink-tmpl MOUNTPOINT
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56
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57 Create symbolic links between the RO base and the RW skeleton.
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58 Base and skeleton must be canonically mounted already.
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60 populate [ OPTIONS ] MOUNTPOINT BASETXZ
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62 Populate the directory in MOUNTPOINT with the base system in BASETXZ
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63
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64 -L Populate having a "skeleton" subdirectory within the mountpoint
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65 -P Populate directly into the mountpoint
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66
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67 ENVIRONMENT:
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68
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69 All environment variables that affect "zfs" are effective also.
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70
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71 DESCRIPTION:
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72
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73 All commands with the exception of "populate" require ZFS as
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74 filesystem.
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75 '
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76
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77 # Reset to standard umask
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78 umask 0022
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79
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80
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81 #
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82 # Ensure that no options are given
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83 #
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84 _ensure_no_options() {
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85 local _opt
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86
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87 while getopts ":" _opt ; do
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88 [ "${_opt}" = '?' ] && { echo "ERROR: no option allowed" 1>&2; exit 2; }
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89 done
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90 }
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93 _get_dataset_for_mountpoint() {
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94 : 'Use `mount -t zfs -p` to determine the ZFS dataset for a given mountpoint.
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95
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96 '
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97 local _mountpoint
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99 local _ds _mount _rest
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100
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101 _mountpoint="$1"
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102
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103 mount -t zfs -p \
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104 | {
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105 while IFS=' '$'\t' read -r _ds _mount _rest ; do
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106 if [ "$_mount" = "$_mountpoint" ]; then
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107 echo "${_ds}"
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108 return 0
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109 fi
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110 done
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111 return 1
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112 }
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113 }
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116 #
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117 # PARENT-BASE NAME DRY-RUN
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118 #
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119 command_datasets_tmpl_base() {
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120 local _p_base _name
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121
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122 local _opt_dry_run
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124 local _ds_base _opt
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125
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126 _opt_dry_run=""
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127 while getopts "nu" _opt ; do
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128 case ${_opt} in
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129 n|u)
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130 _opt_dry_run="yes"
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131 ;;
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132 \?|:)
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133 return 2;
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134 ;;
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135 esac
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136 done
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137 shift $((OPTIND-1))
248
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138 OPTIND=1
245
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139
236
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140 _p_base="${1-}"
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141 _name="${2-}"
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142
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143 if [ -z "${_p_base}" ]; then
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144 echo "ERROR: no parent dataset for base given" >&2
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145 return 2
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146 fi
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147 if [ -z "${_name}" ]; then
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148 echo "ERROR: no name given" >&2
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149 return 2
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150 fi
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151
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152 if ! zfs list -H -o mountpoint -t filesystem "${_p_base}" >/dev/null 2>/dev/null; then
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153 echo "ERROR: parent dataset \`${_p_base}' does not exist" >&2
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154 return 1
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155 fi
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156 _ds_base="${_p_base}/${_name}"
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157 if zfs list -H -o mountpoint -t filesystem "${_ds_base}" >/dev/null 2>/dev/null; then
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158 echo "ERROR: dataset \`${_ds_base}' does already exist" >&2
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159 return 1
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160 fi
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161
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162
246
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163 [ "${_opt_dry_run}" = "yes" ] && return 0
236
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164
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165 echo "Creating RO base datasets in:"
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166 printf "\\t%s\\n" "${_ds_base}"
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167
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168 zfs create -u -o canmount=noauto "${_ds_base}"
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169
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170 }
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171
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172
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173 #
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174 # SKELETON NAME DRY-RUN
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175 #
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176 command_datasets_tmpl_skel() {
246
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177 local _p_base _name
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178
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179 local _opt_dry_run
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180
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181 local _ds_skel _child _child_zfsopts _opt
236
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diff changeset
182
246
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183 _opt_dry_run=""
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184 while getopts "nu" _opt ; do
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185 case ${_opt} in
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186 n|u)
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187 _opt_dry_run="yes"
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188 ;;
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189 \?|:)
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190 return 2;
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191 ;;
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192 esac
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193 done
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194 shift $((OPTIND-1))
248
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195 OPTIND=1
245
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diff changeset
196
236
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197 _p_skel="${1-}"
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198 _name="${2-}"
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199
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200 if [ -z "${_p_skel}" ]; then
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201 echo "ERROR: no parent dataset for skeleton given" >&2
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202 return 2
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203 fi
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204 if [ -z "${_name}" ]; then
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205 echo "ERROR: no name given" >&2
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206 return 2
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207 fi
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diff changeset
208
238
9b0d83703a28 FIX: Bogus keyword shortcut error: wrong copy-paste text in script
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diff changeset
209 if ! zfs list -H -o mountpoint -t filesystem "${_p_skel}" >/dev/null 2>/dev/null; then
236
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diff changeset
210 echo "ERROR: parent dataset \`${_p_skel}' does not exist" >&2
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diff changeset
211 return 1
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diff changeset
212 fi
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diff changeset
213 _ds_skel="${_p_skel}/${_name}"
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diff changeset
214 if zfs list -H -o mountpoint -t filesystem "${_ds_skel}" >/dev/null 2>/dev/null; then
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diff changeset
215 echo "ERROR: dataset \`${_ds_skel}' does already exist" >&2
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diff changeset
216 return 1
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diff changeset
217 fi
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diff changeset
218
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diff changeset
219
246
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diff changeset
220 [ "${_opt_dry_run}" = "yes" ] && return 0
236
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diff changeset
221
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diff changeset
222 echo "Creating RW skeleton datasets in:"
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diff changeset
223 printf "\\t%s\\n" "${_ds_skel}"
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diff changeset
224
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diff changeset
225 zfs create -u -o canmount=noauto "${_ds_skel}"
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diff changeset
226 zfs create -u -o canmount=off "${_ds_skel}/usr"
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diff changeset
227 #
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diff changeset
228 # XXX FIXME: What about usr/ports/distfiles
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diff changeset
229 # We typically want to use binary packages.
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diff changeset
230 # And if we use ports they are not in usr/ports typically.
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diff changeset
231 #
239
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diff changeset
232 #zfs create -u -o canmount=off "${_ds_skel}/usr/ports"
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diff changeset
233 #
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diff changeset
234 # XXX FIXME: What about home
237
a38906739422 Drop a note about /home in skel-rw
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diff changeset
235 #
239
23f37702a502 Creating datasets for base and skeleton
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diff changeset
236 for _child in etc home root tmp usr/local var ; do
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diff changeset
237 case "${_child}" in
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diff changeset
238 "tmp"|"var/tmp")
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diff changeset
239 _child_zfsopts="-o sync=disabled -o setuid=off"
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diff changeset
240 ;;
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diff changeset
241 "home")
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diff changeset
242 _child_zfsopts="-o setuid=off"
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diff changeset
243 ;;
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diff changeset
244 "usr/ports/distfiles")
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diff changeset
245 _child_zfsopts="-o exec=off -o setuid=off -o compression=off -o primarycache=metadata"
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diff changeset
246 ;;
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diff changeset
247 "var/mail")
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diff changeset
248 _child_zfsopts="-o atime=on -o exec=off -o setuid=off"
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diff changeset
249 ;;
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diff changeset
250 *)
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diff changeset
251 _child_zfsopts=""
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diff changeset
252 ;;
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diff changeset
253 esac
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diff changeset
254 zfs create -u -o canmount=noauto ${_child_zfsopts} "${_ds_skel}/${_child}"
236
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diff changeset
255 done
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diff changeset
256 }
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diff changeset
257
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diff changeset
258
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259 #
235
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260 # "datasets-tmpl" -- create the ZFS dataset tree
233
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261 #
234
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262 # PARENT-BASE PARENT-SKELETON NAME
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263 #
235
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264 command_datasets_tmpl() {
233
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265 # parent ZFS dataset -- child ZFS dataset name
234
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266 local _p_base _p_skel _name
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267 local _zfsopts
235
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268 local _ds_base _ds_skel
234
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269
245
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270 _ensure_no_options "$@"
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271
235
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272 _zfsopts="-u -o canmount=noauto"
233
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273
236
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274 _p_base="${1-}"
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275 _p_skel="${2-}"
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276 _name="${3-}"
234
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277
236
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278 # Check preconditions
246
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279 command_datasets_tmpl_base -n "${_p_base}" "${_name}" || return
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280 command_datasets_tmpl_skel -n "${_p_skel}" "${_name}" || return
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281
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282 # Really do it
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283 command_datasets_tmpl_base "${_p_base}" "${_name}" || return
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284 command_datasets_tmpl_skel "${_p_skel}" "${_name}" || return
235
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285 return 0
233
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286 }
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287
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288
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289 #
242
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290 # "populate-tmpl" -- populate the datasets with content from a FreeBSD base.txz
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291 #
242
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292 # command_populate_tmpl mountpoint basetxz
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293 #
242
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294 command_populate_tmpl() {
233
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295 # MOUNTPOINT -- base.txz
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296 local _mp _basetxz
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297 local _opt_symlink
233
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298
249
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299 local _opt _dir
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300
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301 _opt_symlink=""
242
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302
249
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303 while getopts "LP" _opt ; do
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304 case ${_opt} in
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305 L)
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306 _opt_symlink="yes"
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307 ;;
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308 P)
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309 _opt_symlink="no"
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310 ;;
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311 \?)
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312 return 2;
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313 ;;
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314 esac
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315 done
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316 shift $((OPTIND-1))
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317 OPTIND=1
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318
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319 [ -z "${_opt_symlink}" ] && { echo "ERROR: -L or -P must be given" 1>&2; return 2; }
245
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320
242
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321 _mp="${1-}"
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322 _basetxz="${2-}"
233
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323
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324 if [ -z "${_mp}" ]; then
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325 echo "ERROR: no mountpoint given" >&2
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326 return 2
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327 fi
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328 if [ -z "${_basetxz}" ]; then
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329 echo "ERROR: no base.txz given" >&2
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330 return 2
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331 fi
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332 if [ ! -d "${_mp}" ]; then
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333 echo "ERROR: mountpoint \`${_mp}' does not exist" >&2
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334 return 1
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335 fi
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336 if [ ! -r "${_basetxz}" ]; then
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337 echo "ERROR: file \`${_basetxz}' is not readable" >&2
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338 return 1
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339 fi
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340
249
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341 if [ "${_opt_symlink}" = "yes" ]; then
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342 echo "Extracting RO base ..."
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343 tar -C "${_mp}" --exclude=./etc --exclude=./root --exclude=./tmp --exclude=./usr/local --exclude=./var --no-safe-writes -xJp -f "${_basetxz}" || return
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344 # "home" is not part of base
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345 for _dir in etc root tmp usr/local var ; do
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346 echo "Extracting RW skeleton: ${_dir} ..."
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347 tar -C "${_mp}/skeleton" --include="./${_dir}" --exclude=./root/.cshrc --exclude=./root/.profile -xJp -f "${_basetxz}" || return
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348 done
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349 # In the original archive they are archived as hardlinks: make proper symlinks here
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350 (cd "${_mp}/skeleton/root" && ln -s ../../.profile .profile) || return
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351 (cd "${_mp}/skeleton/root" && ln -s ../../.cshrc .cshrc) || return
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352 else
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353 echo "Extracting base ..."
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354 tar -C "${_mp}" --exclude=./root/.cshrc --exclude=./root/.profile --no-safe-writes -xJp -f "${_basetxz}" || return
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355 # In the original archive they are archived as hardlinks: make proper symlinks here
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356 (cd "${_mp}/root" && ln -s ../.profile .profile) || return
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357 (cd "${_mp}/root" && ln -s ../.cshrc .cshrc) || return
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358 fi
233
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359
242
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360 find "${_mp}/boot" -type f -delete || true
233
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361 }
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362
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363
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364 #
249
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365 # _do_mount dataset mountpoint dry-run mount-natural childs-only
233
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366 #
241
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367 _do_mount() {
249
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368 local _dsname _mountpoint _dry_run _mount_natural _childs_only
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369
233
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370 local _name _mp _canmount _mounted
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371 local _rootds_mountpoint _relative_mp _real_mp
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372
241
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373 _dsname="${1}"
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374 _mountpoint="${2}"
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375 _dry_run="${3}"
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376 _mount_natural="${4}"
249
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377 _childs_only="${5}"
233
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378
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379 if [ -z "${_dsname}" ]; then
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parents:
diff changeset
380 echo "ERROR: no dataset given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
381 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
382 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
383
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
384 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || \
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
385 { echo "ERROR: root dataset \`${_dsname}' does not exist" >&2; return 1; }
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
386
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
387 if [ -z "${_mountpoint}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
388 if [ "${_mount_natural}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
389 _mountpoint="${_rootds_mountpoint}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
390 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
391 echo "ERROR: no mountpoint given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
392 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
393 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
394 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
395 if [ "${_mount_natural}" = "yes" ]; then
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
396 echo "ERROR: Cannot have a custom mountpoint when mount-natural is activated" >&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
397 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
398 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
399 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
400
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
401 # Eventually remove a trailing slash
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
402 _mountpoint="${_mountpoint%/}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
403 if [ -z "${_mountpoint}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
404 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
405 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
406 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
407
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
408 zfs list -H -o name,mountpoint,canmount,mounted -s mountpoint -t filesystem -r "${_dsname}" \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
409 | {
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
410 while IFS=$'\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
411 # Skip filesystems that are already mounted
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
412 [ "${_mounted}" = "yes" ] && continue
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
413 # Skip filesystems that must not be mounted
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
414 [ "${_canmount}" = "off" ] && continue
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
415 case "${_mp}" in
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
416 "none"|"legacy")
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
417 # Do nothing for filesystem with unset or legacy mountpoints
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
418 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
419 "${_rootds_mountpoint}"|"${_rootds_mountpoint}/"*)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
420 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
421 # Handle only mountpoints that have a mountpoint below
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
422 # the parent datasets mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
423 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
424
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
425 # Determine the mountpoint relative to the parent mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
426 _relative_mp="${_mp#${_rootds_mountpoint}}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
427 # Eventually remove a trailing slash
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
428 _relative_mp="${_relative_mp%/}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
429 # The real effective full mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
430 _real_mp="${_mountpoint}${_relative_mp}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
431
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
432 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
433 # 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
434 # 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
435 # is given.
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
436 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
437 if [ "${_mount_natural}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
438 if [ "${_real_mp}" != "${_mp}" ]; then
248
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 247
diff changeset
439 echo "ERROR: mountpoint mismatch" 1>&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
440 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
441 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
442 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
443
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
444 if [ \( "${_childs_only}" = "yes" \) -a \( "${_name}" = "${_dsname}" \) ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
445 echo "Skipping ${_name} because mounting childs only" 1>&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
446 else
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
447 if [ "${_dry_run}" = "yes" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
448 echo "Would mount ${_name} on ${_real_mp}"
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
449 else
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
450 mkdir -p "${_real_mp}" 1> /dev/null 2> /dev/null || \
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
451 { echo "ERROR: cannot create mountpoint ${_real_mp}" 1>&2; return 1; }
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
452 echo "Mounting ${_name} on ${_real_mp}"
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
453 mount -t zfs "${_name}" "${_real_mp}" || return 1
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
454 fi
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
455 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
456 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
457 *)
248
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 247
diff changeset
458 echo "Skipping ${_name} because its configured ZFS mountpoint is not relative to given root dataset" 1>&2
233
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 esac
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
461 done
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 return 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
464 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
465 }
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
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
468 #
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
469 # "mount-tmpl" -- recursively mount a base and skeleton datasets including subordinate datasets
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
470 #
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
471 # command_mount_tmpl base-ro skeleton-rw mountpoint
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
472 #
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
473 command_mount_tmpl() {
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
474 local _ds_base _ds_skel _mountpoint
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
475 local _opt_dry_run _opt_symlink
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
476
246
bdee72ff7dbd Some subcommands now support options properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 245
diff changeset
477 local _opt
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
478
244
6e632f459818 Rename "_dry_run" to the more proper "_opt_dry_run"
Franz Glasner <fzglas.hg@dom66.de>
parents: 243
diff changeset
479 _opt_dry_run=""
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
480 _opt_symlink=""
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
481
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
482 while getopts "LPnu" _opt ; do
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
483 case ${_opt} in
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
484 L)
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
485 _opt_symlink="yes"
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
486 ;;
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
487 P)
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
488 _opt_symlink="no"
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
489 ;;
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
490 n|u)
244
6e632f459818 Rename "_dry_run" to the more proper "_opt_dry_run"
Franz Glasner <fzglas.hg@dom66.de>
parents: 243
diff changeset
491 _opt_dry_run="yes"
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
492 ;;
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
493 \?|:)
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
494 return 2;
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
495 ;;
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
496 esac
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
497 done
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
498 shift $((OPTIND-1))
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
499 OPTIND=1
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
500
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
501 [ -z "${_opt_symlink}" ] && { echo "ERROR: -L or -P must be given" 1>&2; return 2; }
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
502
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
503 _ds_base="${1-}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
504 _ds_skel="${2-}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
505 _mountpoint="${3-}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
506
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
507 _do_mount "${_ds_base}" "${_mountpoint}" "${_opt_dry_run}" "" "" || return
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
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parents: 248
diff changeset
508 if [ "${_opt_symlink}" = "yes" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
509 if [ "${_opt_dry_run}" != "yes" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
510 if [ ! -d "${_mountpoint}/skeleton" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
511 mkdir "${_mountpoint}/skeleton" || return
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
512 fi
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
513 fi
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
514 _do_mount "${_ds_skel}" "${_mountpoint}/skeleton" "${_opt_dry_run}" "" "" || return
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
515 else
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
516 _do_mount "${_ds_skel}" "${_mountpoint}" "${_opt_dry_run}" "" "yes" || return
241
acf16a85900f Mount and unmount template datasets
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parents: 240
diff changeset
517 fi
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
518
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
519 return 0
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
520 }
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
521
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
522
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
523 #
241
acf16a85900f Mount and unmount template datasets
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parents: 240
diff changeset
524 # _do_umount dataset
acf16a85900f Mount and unmount template datasets
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parents: 240
diff changeset
525 #
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
526 _do_umount() {
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
527 local _dsname
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
528
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
529 local _name _mp _rest
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
530 local _rootds_mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
531
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
532 _dsname="${1}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
533 [ -z "${_dsname}" ] && { echo "ERROR: no dataset given" >&2; return 2; }
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
534
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
535 # Just determine whether the given dataset name exists
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
536 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || \
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
537 { echo "ERROR: dataset not found" >&2; return 1; }
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
538
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
539 mount -t zfs -p \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
540 | grep -E "^${_dsname}(/|\s)" \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
541 | sort -n -r \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
542 | {
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
543 while IFS=' '$'\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
544 echo "Umounting ${_name} on ${_mp}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
545 umount "${_mp}" || return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
546 done
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
547 return 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
548 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
549 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
550
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
551
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
552 #
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
553 # "umount-tmpl" -- umount skeleton and base datasets
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
554 #
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
555 # command_umount_tmpl ds-base ds-skeleton
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
556 #
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
557 command_umount_tmpl() {
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
558 local _ds_base _ds_skel
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
559
245
61861d36758c Ensure that no options are really given when no options are allowed
Franz Glasner <fzglas.hg@dom66.de>
parents: 244
diff changeset
560 _ensure_no_options "$@"
61861d36758c Ensure that no options are really given when no options are allowed
Franz Glasner <fzglas.hg@dom66.de>
parents: 244
diff changeset
561
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
562 _ds_base="${1-}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
563 _ds_skel="${2-}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
564
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
565 [ -z "${_ds_base}" ] && { echo "ERROR: no RO base dataset given" >&2; return 2; }
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
566 [ -z "${_ds_skel}" ] && { echo "ERROR: no RW skeleton dataset given" >&2; return 2; }
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
567
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
568 _do_umount "${_ds_skel}" || return
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
569 _do_umount "${_ds_base}" || return
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
570
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
571 return 0
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
572 }
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
573
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
574
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
575 #
242
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
576 # "interlink-tmpl" -- create links from base to skeleton
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
577 #
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
578 # command_interlink_tmpl mountpint
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
579 #
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
580 command_interlink_tmpl() {
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
581 local _mountpoint
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
582
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
583 local _dir _dirpart _basepart
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
584
245
61861d36758c Ensure that no options are really given when no options are allowed
Franz Glasner <fzglas.hg@dom66.de>
parents: 244
diff changeset
585 _ensure_no_options "$@"
61861d36758c Ensure that no options are really given when no options are allowed
Franz Glasner <fzglas.hg@dom66.de>
parents: 244
diff changeset
586
242
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
587 _mountpoint="${1-}"
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
588
248
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 247
diff changeset
589 [ -z "${_mountpoint}" ] && { echo "ERROR: no mountpoint given" 1>&2; return 2; }
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 247
diff changeset
590 [ -d "${_mountpoint}" ] || { echo "ERROR: mountpoint \`${_mountpoint}' does not exist" 1>&2; return 1; }
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 247
diff changeset
591 [ -d "${_mountpoint}/skeleton" ] || { echo "WARNING: skeleton is not mounted at \`${_mountpoint}/skeleton'" 1>&2; }
242
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
592
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
593 for _dir in etc home root tmp usr/local var ; do
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
594 case "${_dir}" in
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
595 "usr/local")
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
596 _dirpart="$(dirname "${_dir}")"
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
597 _basepart="$(basename "${_dir}")"
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
598 [ -d "${_mountpoint}/${_dirpart}" ] || mkdir "${_mountpoint}/${_dirpart}" || return
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
599 ( cd "${_mountpoint}/${_dirpart}" && ln -s "../skeleton/${_dir}" "${_basepart}" ) || return
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
600 ;;
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
601 *)
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
602 ( cd "${_mountpoint}" && ln -s "skeleton/${_dir}" "${_dir}" ) || return
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
603 ;;
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
604 esac
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
605 done
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
606 return 0
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
607 }
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
608
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
609
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
610 #
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
611 # Global option handling
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
612 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
613 while getopts "Vh" _opt ; do
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
614 case ${_opt} in
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
615 V)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
616 printf 'ftjail v%s (rv:%s)\n' "${VERSION}" '@@HGREVISION@@'
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
617 exit 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
618 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
619 h)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
620 echo "${USAGE}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
621 exit 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
622 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
623 \?)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
624 exit 2;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
625 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
626 *)
250
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
627 echo "ERROR: option handling failed" 1>&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
628 exit 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
629 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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630 esac
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parents:
diff changeset
631 done
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parents:
diff changeset
632
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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633 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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634 # Reset the Shell's option handling system to prepare for handling
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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635 # command-local options.
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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636 #
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637 shift $((OPTIND-1))
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638 OPTIND=1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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639
250
c4d835ccb4ae Implement configure for symlinked skeletons.
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640 test $# -gt 0 || { echo "ERROR: no command given" 1>&2; exit 2; }
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
641
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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diff changeset
642 command="$1"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
643 shift
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
644
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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645 case "${command}" in
235
85aea8ca1ab8 Some work on datasets-tmpl
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diff changeset
646 datasets-tmpl)
85aea8ca1ab8 Some work on datasets-tmpl
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diff changeset
647 command_datasets_tmpl "$@"
233
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648 ;;
241
acf16a85900f Mount and unmount template datasets
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diff changeset
649 mount-tmpl)
acf16a85900f Mount and unmount template datasets
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650 command_mount_tmpl "$@"
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diff changeset
651 ;;
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diff changeset
652 umount-tmpl|unmount-tmpl)
acf16a85900f Mount and unmount template datasets
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653 command_umount_tmpl "$@"
acf16a85900f Mount and unmount template datasets
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diff changeset
654 ;;
242
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
655 interlink-tmpl)
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
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parents: 241
diff changeset
656 command_interlink_tmpl "$@"
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
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diff changeset
657 ;;
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
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parents: 241
diff changeset
658 populate-tmpl)
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
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parents: 241
diff changeset
659 command_populate_tmpl "$@"
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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660 ;;
250
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
661 configure)
c4d835ccb4ae Implement configure for symlinked skeletons.
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diff changeset
662 echo "ERROR: use \`fjail configure' instead" 1>&2;
c4d835ccb4ae Implement configure for symlinked skeletons.
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663 exit 2
c4d835ccb4ae Implement configure for symlinked skeletons.
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diff changeset
664 ;;
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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diff changeset
665 *)
250
c4d835ccb4ae Implement configure for symlinked skeletons.
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diff changeset
666 echo "ERROR: unknown command \`${command}'" 1>&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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667 exit 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
668 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
669 esac