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annotate sbin/ftjail @ 251:7a6c03445ba1

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Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 11 Sep 2022 17:53:38 +0200
parents c4d835ccb4ae
children 62b38b2312b4
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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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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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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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45
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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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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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67 snapshot-tmpl BASE-RO SKELETON-RW SNAPSHOT-NAME
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68
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69 ENVIRONMENT:
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71 All environment variables that affect "zfs" are effective also.
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72
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73 DESCRIPTION:
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74
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75 All commands with the exception of "populate" require ZFS as
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76 filesystem.
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77 '
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78
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79 # Reset to standard umask
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80 umask 0022
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81
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82
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83 #
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84 # Ensure that no options are given
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85 #
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86 _ensure_no_options() {
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87 local _opt
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88
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89 while getopts ":" _opt ; do
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90 [ "${_opt}" = '?' ] && { echo "ERROR: no option allowed" 1>&2; exit 2; }
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91 done
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92 }
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95 _get_dataset_for_mountpoint() {
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96 : 'Use `mount -t zfs -p` to determine the ZFS dataset for a given mountpoint.
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97
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98 '
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99 local _mountpoint
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101 local _ds _mount _rest
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102
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103 _mountpoint="$1"
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104
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105 mount -t zfs -p \
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106 | {
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107 while IFS=' '$'\t' read -r _ds _mount _rest ; do
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108 if [ "$_mount" = "$_mountpoint" ]; then
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109 echo "${_ds}"
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110 return 0
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111 fi
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112 done
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113 return 1
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114 }
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115 }
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118 #
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119 # PARENT-BASE NAME DRY-RUN
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120 #
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121 command_datasets_tmpl_base() {
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122 local _p_base _name
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124 local _opt_dry_run
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125
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126 local _ds_base _opt
236
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127
246
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128 _opt_dry_run=""
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129 while getopts "nu" _opt ; do
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130 case ${_opt} in
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131 n|u)
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132 _opt_dry_run="yes"
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133 ;;
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134 \?|:)
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135 return 2;
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136 ;;
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137 esac
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138 done
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139 shift $((OPTIND-1))
248
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140 OPTIND=1
245
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141
236
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142 _p_base="${1-}"
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143 _name="${2-}"
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144
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145 if [ -z "${_p_base}" ]; then
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146 echo "ERROR: no parent dataset for base given" >&2
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147 return 2
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148 fi
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149 if [ -z "${_name}" ]; then
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150 echo "ERROR: no name given" >&2
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151 return 2
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152 fi
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153
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154 if ! zfs list -H -o mountpoint -t filesystem "${_p_base}" >/dev/null 2>/dev/null; then
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155 echo "ERROR: parent dataset \`${_p_base}' does not exist" >&2
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156 return 1
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157 fi
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158 _ds_base="${_p_base}/${_name}"
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159 if zfs list -H -o mountpoint -t filesystem "${_ds_base}" >/dev/null 2>/dev/null; then
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160 echo "ERROR: dataset \`${_ds_base}' does already exist" >&2
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161 return 1
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162 fi
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163
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164
246
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165 [ "${_opt_dry_run}" = "yes" ] && return 0
236
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166
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167 echo "Creating RO base datasets in:"
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168 printf "\\t%s\\n" "${_ds_base}"
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169
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170 zfs create -u -o canmount=noauto "${_ds_base}"
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171
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172 }
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173
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174
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175 #
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176 # SKELETON NAME DRY-RUN
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177 #
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178 command_datasets_tmpl_skel() {
246
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179 local _p_base _name
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180
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181 local _opt_dry_run
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182
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183 local _ds_skel _child _child_zfsopts _opt
236
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184
246
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185 _opt_dry_run=""
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186 while getopts "nu" _opt ; do
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187 case ${_opt} in
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188 n|u)
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189 _opt_dry_run="yes"
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190 ;;
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191 \?|:)
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192 return 2;
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193 ;;
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194 esac
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195 done
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196 shift $((OPTIND-1))
248
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197 OPTIND=1
245
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diff changeset
198
236
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199 _p_skel="${1-}"
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200 _name="${2-}"
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201
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202 if [ -z "${_p_skel}" ]; then
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203 echo "ERROR: no parent dataset for skeleton given" >&2
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204 return 2
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205 fi
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206 if [ -z "${_name}" ]; then
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207 echo "ERROR: no name given" >&2
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208 return 2
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209 fi
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diff changeset
210
238
9b0d83703a28 FIX: Bogus keyword shortcut error: wrong copy-paste text in script
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diff changeset
211 if ! zfs list -H -o mountpoint -t filesystem "${_p_skel}" >/dev/null 2>/dev/null; then
236
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212 echo "ERROR: parent dataset \`${_p_skel}' does not exist" >&2
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diff changeset
213 return 1
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214 fi
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diff changeset
215 _ds_skel="${_p_skel}/${_name}"
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diff changeset
216 if zfs list -H -o mountpoint -t filesystem "${_ds_skel}" >/dev/null 2>/dev/null; then
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diff changeset
217 echo "ERROR: dataset \`${_ds_skel}' does already exist" >&2
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diff changeset
218 return 1
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diff changeset
219 fi
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diff changeset
220
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diff changeset
221
246
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diff changeset
222 [ "${_opt_dry_run}" = "yes" ] && return 0
236
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diff changeset
223
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diff changeset
224 echo "Creating RW skeleton datasets in:"
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diff changeset
225 printf "\\t%s\\n" "${_ds_skel}"
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diff changeset
226
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diff changeset
227 zfs create -u -o canmount=noauto "${_ds_skel}"
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diff changeset
228 zfs create -u -o canmount=off "${_ds_skel}/usr"
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diff changeset
229 #
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diff changeset
230 # XXX FIXME: What about usr/ports/distfiles
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diff changeset
231 # We typically want to use binary packages.
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diff changeset
232 # And if we use ports they are not in usr/ports typically.
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diff changeset
233 #
239
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diff changeset
234 #zfs create -u -o canmount=off "${_ds_skel}/usr/ports"
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diff changeset
235 #
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diff changeset
236 # XXX FIXME: What about home
237
a38906739422 Drop a note about /home in skel-rw
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diff changeset
237 #
239
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diff changeset
238 for _child in etc home root tmp usr/local var ; do
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diff changeset
239 case "${_child}" in
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diff changeset
240 "tmp"|"var/tmp")
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diff changeset
241 _child_zfsopts="-o sync=disabled -o setuid=off"
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diff changeset
242 ;;
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diff changeset
243 "home")
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diff changeset
244 _child_zfsopts="-o setuid=off"
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diff changeset
245 ;;
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diff changeset
246 "usr/ports/distfiles")
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diff changeset
247 _child_zfsopts="-o exec=off -o setuid=off -o compression=off -o primarycache=metadata"
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diff changeset
248 ;;
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diff changeset
249 "var/mail")
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diff changeset
250 _child_zfsopts="-o atime=on -o exec=off -o setuid=off"
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diff changeset
251 ;;
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diff changeset
252 *)
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diff changeset
253 _child_zfsopts=""
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diff changeset
254 ;;
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diff changeset
255 esac
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diff changeset
256 zfs create -u -o canmount=noauto ${_child_zfsopts} "${_ds_skel}/${_child}"
236
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diff changeset
257 done
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258 }
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259
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260
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261 #
235
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262 # "datasets-tmpl" -- create the ZFS dataset tree
233
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263 #
234
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264 # PARENT-BASE PARENT-SKELETON NAME
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265 #
235
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266 command_datasets_tmpl() {
233
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267 # parent ZFS dataset -- child ZFS dataset name
234
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268 local _p_base _p_skel _name
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269 local _zfsopts
235
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270 local _ds_base _ds_skel
234
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271
245
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272 _ensure_no_options "$@"
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273
235
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274 _zfsopts="-u -o canmount=noauto"
233
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275
236
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276 _p_base="${1-}"
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277 _p_skel="${2-}"
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278 _name="${3-}"
234
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279
236
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280 # Check preconditions
246
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281 command_datasets_tmpl_base -n "${_p_base}" "${_name}" || return
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282 command_datasets_tmpl_skel -n "${_p_skel}" "${_name}" || return
236
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283
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284 # Really do it
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285 command_datasets_tmpl_base "${_p_base}" "${_name}" || return
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286 command_datasets_tmpl_skel "${_p_skel}" "${_name}" || return
235
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287 return 0
233
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288 }
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289
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290
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291 #
242
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292 # "populate-tmpl" -- populate the datasets with content from a FreeBSD base.txz
233
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293 #
242
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294 # command_populate_tmpl mountpoint basetxz
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295 #
242
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296 command_populate_tmpl() {
233
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297 # MOUNTPOINT -- base.txz
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298 local _mp _basetxz
249
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299 local _opt_symlink
233
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300
249
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301 local _opt _dir
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302
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303 _opt_symlink=""
242
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304
249
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305 while getopts "LP" _opt ; do
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306 case ${_opt} in
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307 L)
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308 _opt_symlink="yes"
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309 ;;
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310 P)
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311 _opt_symlink="no"
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312 ;;
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313 \?)
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314 return 2;
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315 ;;
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316 esac
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317 done
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318 shift $((OPTIND-1))
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319 OPTIND=1
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320
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321 [ -z "${_opt_symlink}" ] && { echo "ERROR: -L or -P must be given" 1>&2; return 2; }
245
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322
242
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323 _mp="${1-}"
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324 _basetxz="${2-}"
233
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325
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326 if [ -z "${_mp}" ]; then
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327 echo "ERROR: no mountpoint given" >&2
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328 return 2
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329 fi
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330 if [ -z "${_basetxz}" ]; then
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331 echo "ERROR: no base.txz given" >&2
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332 return 2
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333 fi
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334 if [ ! -d "${_mp}" ]; then
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335 echo "ERROR: mountpoint \`${_mp}' does not exist" >&2
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336 return 1
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337 fi
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338 if [ ! -r "${_basetxz}" ]; then
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339 echo "ERROR: file \`${_basetxz}' is not readable" >&2
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340 return 1
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341 fi
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342
249
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343 if [ "${_opt_symlink}" = "yes" ]; then
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344 echo "Extracting RO base ..."
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345 tar -C "${_mp}" --exclude=./etc --exclude=./root --exclude=./tmp --exclude=./usr/local --exclude=./var --no-safe-writes -xJp -f "${_basetxz}" || return
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346 # "home" is not part of base
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347 for _dir in etc root tmp usr/local var ; do
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348 echo "Extracting RW skeleton: ${_dir} ..."
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349 tar -C "${_mp}/skeleton" --include="./${_dir}" --exclude=./root/.cshrc --exclude=./root/.profile -xJp -f "${_basetxz}" || return
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350 done
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351 # In the original archive they are archived as hardlinks: make proper symlinks here
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352 (cd "${_mp}/skeleton/root" && ln -s ../../.profile .profile) || return
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353 (cd "${_mp}/skeleton/root" && ln -s ../../.cshrc .cshrc) || return
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354 else
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355 echo "Extracting base ..."
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356 tar -C "${_mp}" --exclude=./root/.cshrc --exclude=./root/.profile --no-safe-writes -xJp -f "${_basetxz}" || return
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357 # In the original archive they are archived as hardlinks: make proper symlinks here
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358 (cd "${_mp}/root" && ln -s ../.profile .profile) || return
251
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359 (cd "${_mp}/root" && ln -s ../.cshrc .cshrc) || return
249
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360 fi
233
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361
242
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362 find "${_mp}/boot" -type f -delete || true
233
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363 }
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364
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365
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366 #
249
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367 # _do_mount dataset mountpoint dry-run mount-natural childs-only
233
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368 #
241
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369 _do_mount() {
249
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370 local _dsname _mountpoint _dry_run _mount_natural _childs_only
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371
233
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372 local _name _mp _canmount _mounted
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373 local _rootds_mountpoint _relative_mp _real_mp
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374
241
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375 _dsname="${1}"
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376 _mountpoint="${2}"
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377 _dry_run="${3}"
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378 _mount_natural="${4}"
249
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379 _childs_only="${5}"
233
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 if [ -z "${_dsname}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
382 echo "ERROR: no dataset given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
383 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
384 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
385
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
386 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || \
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
387 { echo "ERROR: root dataset \`${_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
388
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
389 if [ -z "${_mountpoint}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
390 if [ "${_mount_natural}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
391 _mountpoint="${_rootds_mountpoint}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
392 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
393 echo "ERROR: no mountpoint given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
394 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
395 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
396 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
397 if [ "${_mount_natural}" = "yes" ]; then
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
398 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
399 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
400 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
401 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
402
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
403 # Eventually remove a trailing slash
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
404 _mountpoint="${_mountpoint%/}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
405 if [ -z "${_mountpoint}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
406 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
407 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
408 fi
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 zfs list -H -o name,mountpoint,canmount,mounted -s mountpoint -t filesystem -r "${_dsname}" \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
411 | {
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
412 while IFS=$'\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
413 # Skip filesystems that are already mounted
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
414 [ "${_mounted}" = "yes" ] && continue
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
415 # Skip filesystems that must not be mounted
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
416 [ "${_canmount}" = "off" ] && continue
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
417 case "${_mp}" in
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
418 "none"|"legacy")
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
419 # Do nothing for filesystem with unset or legacy mountpoints
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
420 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
421 "${_rootds_mountpoint}"|"${_rootds_mountpoint}/"*)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
422 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
423 # Handle only mountpoints that have a mountpoint below
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
424 # the parent datasets mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
425 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
426
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
427 # Determine the mountpoint relative to the parent mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
428 _relative_mp="${_mp#${_rootds_mountpoint}}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
429 # Eventually remove a trailing slash
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
430 _relative_mp="${_relative_mp%/}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
431 # The real effective full mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
432 _real_mp="${_mountpoint}${_relative_mp}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
433
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
434 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
435 # 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
436 # 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
437 # is given.
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
438 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
439 if [ "${_mount_natural}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
440 if [ "${_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
441 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
442 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
443 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
444 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
445
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
446 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
447 echo "Skipping ${_name} because mounting childs only" 1>&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
448 else
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
449 if [ "${_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
450 echo "Would mount ${_name} on ${_real_mp}"
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
451 else
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
452 mkdir -p "${_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
453 { 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
454 echo "Mounting ${_name} on ${_real_mp}"
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
455 mount -t zfs "${_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
456 fi
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
457 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
458 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
459 *)
248
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 247
diff changeset
460 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
461 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
462 esac
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
463 done
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 return 0
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
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
469
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
470 #
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
471 # "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
472 #
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
473 # 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
474 #
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
475 command_mount_tmpl() {
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
476 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
477 local _opt_dry_run _opt_symlink
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
478
246
bdee72ff7dbd Some subcommands now support options properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 245
diff changeset
479 local _opt
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
480
244
6e632f459818 Rename "_dry_run" to the more proper "_opt_dry_run"
Franz Glasner <fzglas.hg@dom66.de>
parents: 243
diff changeset
481 _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
482 _opt_symlink=""
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
483
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 while getopts "LPnu" _opt ; do
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
485 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
486 L)
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
487 _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
488 ;;
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
489 P)
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
490 _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
491 ;;
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
492 n|u)
244
6e632f459818 Rename "_dry_run" to the more proper "_opt_dry_run"
Franz Glasner <fzglas.hg@dom66.de>
parents: 243
diff changeset
493 _opt_dry_run="yes"
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
494 ;;
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 return 2;
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
497 ;;
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
498 esac
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
499 done
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
500 shift $((OPTIND-1))
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
501 OPTIND=1
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
502
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
503 [ -z "${_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
504
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
505 _ds_base="${1-}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
506 _ds_skel="${2-}"
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diff changeset
507 _mountpoint="${3-}"
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diff changeset
508
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
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diff changeset
509 _do_mount "${_ds_base}" "${_mountpoint}" "${_opt_dry_run}" "" "" || return
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diff changeset
510 if [ "${_opt_symlink}" = "yes" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
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diff changeset
511 if [ "${_opt_dry_run}" != "yes" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
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diff changeset
512 if [ ! -d "${_mountpoint}/skeleton" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
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diff changeset
513 mkdir "${_mountpoint}/skeleton" || return
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diff changeset
514 fi
241
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diff changeset
515 fi
249
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diff changeset
516 _do_mount "${_ds_skel}" "${_mountpoint}/skeleton" "${_opt_dry_run}" "" "" || return
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diff changeset
517 else
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
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diff changeset
518 _do_mount "${_ds_skel}" "${_mountpoint}" "${_opt_dry_run}" "" "yes" || return
241
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diff changeset
519 fi
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diff changeset
520
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diff changeset
521 return 0
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diff changeset
522 }
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diff changeset
523
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diff changeset
524
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
525 #
241
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diff changeset
526 # _do_umount dataset
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diff changeset
527 #
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diff changeset
528 _do_umount() {
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
529 local _dsname
249
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diff changeset
530
233
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parents:
diff changeset
531 local _name _mp _rest
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parents:
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532 local _rootds_mountpoint
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533
241
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diff changeset
534 _dsname="${1}"
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diff changeset
535 [ -z "${_dsname}" ] && { echo "ERROR: no dataset given" >&2; return 2; }
233
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536
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537 # Just determine whether the given dataset name exists
241
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diff changeset
538 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || \
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diff changeset
539 { echo "ERROR: dataset not found" >&2; return 1; }
233
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540
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parents:
diff changeset
541 mount -t zfs -p \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
542 | grep -E "^${_dsname}(/|\s)" \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
543 | sort -n -r \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
544 | {
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
545 while IFS=' '$'\t' read -r _name _mp _rest ; do
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
546 echo "Umounting ${_name} on ${_mp}"
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547 umount "${_mp}" || return 1
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parents:
diff changeset
548 done
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
549 return 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
550 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
551 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
552
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
553
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
554 #
241
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diff changeset
555 # "umount-tmpl" -- umount skeleton and base datasets
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diff changeset
556 #
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diff changeset
557 # command_umount_tmpl ds-base ds-skeleton
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diff changeset
558 #
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diff changeset
559 command_umount_tmpl() {
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diff changeset
560 local _ds_base _ds_skel
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diff changeset
561
245
61861d36758c Ensure that no options are really given when no options are allowed
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diff changeset
562 _ensure_no_options "$@"
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diff changeset
563
241
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diff changeset
564 _ds_base="${1-}"
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diff changeset
565 _ds_skel="${2-}"
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diff changeset
566
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diff changeset
567 [ -z "${_ds_base}" ] && { echo "ERROR: no RO base dataset given" >&2; return 2; }
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diff changeset
568 [ -z "${_ds_skel}" ] && { echo "ERROR: no RW skeleton dataset given" >&2; return 2; }
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diff changeset
569
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diff changeset
570 _do_umount "${_ds_skel}" || return
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diff changeset
571 _do_umount "${_ds_base}" || return
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diff changeset
572
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diff changeset
573 return 0
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diff changeset
574 }
acf16a85900f Mount and unmount template datasets
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parents: 240
diff changeset
575
acf16a85900f Mount and unmount template datasets
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parents: 240
diff changeset
576
acf16a85900f Mount and unmount template datasets
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diff changeset
577 #
242
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
578 # "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
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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
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parents: 241
diff changeset
580 # command_interlink_tmpl mountpint
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
581 #
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
582 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
583 local _mountpoint
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
584
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
585 local _dir _dirpart _basepart
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
586
245
61861d36758c Ensure that no options are really given when no options are allowed
Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
587 _ensure_no_options "$@"
61861d36758c Ensure that no options are really given when no options are allowed
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parents: 244
diff changeset
588
242
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
589 _mountpoint="${1-}"
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
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diff changeset
590
248
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 247
diff changeset
591 [ -z "${_mountpoint}" ] && { echo "ERROR: no mountpoint given" 1>&2; return 2; }
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
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diff changeset
592 [ -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
593 [ -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
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parents: 241
diff changeset
594
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 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
596 case "${_dir}" in
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
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parents: 241
diff changeset
597 "usr/local")
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
598 _dirpart="$(dirname "${_dir}")"
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
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diff changeset
599 _basepart="$(basename "${_dir}")"
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
600 [ -d "${_mountpoint}/${_dirpart}" ] || mkdir "${_mountpoint}/${_dirpart}" || return
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
601 ( cd "${_mountpoint}/${_dirpart}" && ln -s "../skeleton/${_dir}" "${_basepart}" ) || return
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
602 ;;
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
603 *)
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
604 ( cd "${_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
605 ;;
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 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
607 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
608 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
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
251
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Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
611 #:
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diff changeset
612 #: Create a snapshot for a dataset and all of its children.
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parents: 250
diff changeset
613 #:
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Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
614 #: Args:
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parents: 250
diff changeset
615 #: $1: the datasets
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parents: 250
diff changeset
616 #: $2: the name of the snapshot
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
617 #:
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Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
618 _do_snapshot() {
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Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
619 local _ds _snap_name
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parents: 250
diff changeset
620
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
621 _ds="${1}"
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parents: 250
diff changeset
622 _snap_name="${2}"
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parents: 250
diff changeset
623
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
624 if ! zfs list -H -o name -t filesystem "${_ds}" 1> /dev/null 2> /dev/null ; then
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Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
625 echo "ERROR: parent dataset \`${_ds}' does not exist" 1>&2
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diff changeset
626 return 1
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parents: 250
diff changeset
627 fi
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
628
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diff changeset
629 zfs snapshot -r "${_ds}@${_snap_name}" || return
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diff changeset
630 }
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
631
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
632
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parents: 250
diff changeset
633 #:
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diff changeset
634 #: Implement the "snapshot-tmpl" command
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parents: 250
diff changeset
635 #:
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
636 command_snapshot_tmpl() {
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diff changeset
637 local _ds_base _ds_skel _snap_name
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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diff changeset
638
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
639 _ensure_no_options "$@"
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
640
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
641 _ds_base="${1-}"
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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diff changeset
642 _ds_skel="${2-}"
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
643 _snap_name="${3-}"
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
644
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
645 [ -z "${_ds_base}" ] && echo "ERROR: no RO base dataset name given" 1>&2
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
646 [ -z "${_ds_skel}" ] && echo "ERROR: no RW skeleton dataset name given" 1>&2
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
647 [ -z "${_snap_name}" ] && echo "ERROR: no snapshot name given" 1>&2
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
648
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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diff changeset
649 _do_snapshot "${_ds_base}" "${_snap_name}" || return
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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diff changeset
650 _do_snapshot "${_ds_skel}" "${_snap_name}" || return
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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diff changeset
651 return 0
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diff changeset
652 }
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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diff changeset
653
242
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
654
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
655 #
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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656 # Global option handling
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Franz Glasner <fzglas.hg@dom66.de>
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657 #
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Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
658 while getopts "Vh" _opt ; do
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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659 case ${_opt} in
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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660 V)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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661 printf 'ftjail v%s (rv:%s)\n' "${VERSION}" '@@HGREVISION@@'
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
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662 exit 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
663 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
664 h)
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parents:
diff changeset
665 echo "${USAGE}"
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parents:
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666 exit 0
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parents:
diff changeset
667 ;;
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parents:
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668 \?)
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
669 exit 2;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
670 ;;
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parents:
diff changeset
671 *)
250
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672 echo "ERROR: option handling failed" 1>&2
233
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673 exit 2
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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674 ;;
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Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
675 esac
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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676 done
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
677
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
678 #
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parents:
diff changeset
679 # Reset the Shell's option handling system to prepare for handling
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
680 # command-local options.
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
681 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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diff changeset
682 shift $((OPTIND-1))
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
683 OPTIND=1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
684
250
c4d835ccb4ae Implement configure for symlinked skeletons.
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diff changeset
685 test $# -gt 0 || { echo "ERROR: no command given" 1>&2; exit 2; }
233
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
686
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
687 command="$1"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
688 shift
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
689
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
690 case "${command}" in
235
85aea8ca1ab8 Some work on datasets-tmpl
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parents: 234
diff changeset
691 datasets-tmpl)
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parents: 234
diff changeset
692 command_datasets_tmpl "$@"
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
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parents:
diff changeset
693 ;;
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
694 mount-tmpl)
acf16a85900f Mount and unmount template datasets
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parents: 240
diff changeset
695 command_mount_tmpl "$@"
acf16a85900f Mount and unmount template datasets
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parents: 240
diff changeset
696 ;;
acf16a85900f Mount and unmount template datasets
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parents: 240
diff changeset
697 umount-tmpl|unmount-tmpl)
acf16a85900f Mount and unmount template datasets
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parents: 240
diff changeset
698 command_umount_tmpl "$@"
acf16a85900f Mount and unmount template datasets
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parents: 240
diff changeset
699 ;;
242
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
700 interlink-tmpl)
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Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
701 command_interlink_tmpl "$@"
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
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parents: 241
diff changeset
702 ;;
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
703 populate-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
704 command_populate_tmpl "$@"
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
705 ;;
251
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
706 snapshot-tmpl)
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
707 command_snapshot_tmpl "$@"
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Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
708 ;;
250
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
709 configure)
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
710 echo "ERROR: use \`fjail configure' instead" 1>&2;
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
711 exit 2
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
712 ;;
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
713 *)
250
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
714 echo "ERROR: unknown command \`${command}'" 1>&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
715 exit 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
716 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
717 esac