debian/scripts/koha-functions.sh

   1 #!/bin/sh
   2 #
   3 # koha-functions.sh -- shared library of helper functions for koha-* scripts
   4 # Copyright 2014 - Tomas Cohen Arazi
   5 #                  Universidad Nacional de Cordoba
   6 #
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20
  21 die()
  22 {
  23     echo "$@" 1>&2
  24     exit 1
  25 }
  26
  27 warn()
  28 {
  29     echo "$@" 1>&2
  30 }
  31
  32 get_apache_config_for()
  33 {
  34     local site=$1
  35     local sitefile="/etc/apache2/sites-available/$site"
  36
  37     if is_instance $site; then
  38         if [ -f "$sitefile.conf" ]; then
  39             echo "$sitefile.conf"
  40         elif [ -f "$sitefile" ]; then
  41             echo "$sitefile"
  42         fi
  43     fi
  44 }
  45
  46 get_opacdomain_for()
  47 {
  48     local site=$1
  49
  50     if [ -e /etc/koha/koha-sites.conf ]; then
  51         . /etc/koha/koha-sites.conf
  52     else
  53         echo "Error: /etc/koha/koha-sites.conf not present." 1>&2
  54         exit 1
  55     fi
  56     local opacdomain="$OPACPREFIX$site$OPACSUFFIX$DOMAIN"
  57     echo "$opacdomain"
  58 }
  59
  60 get_intradomain_for()
  61 {
  62     local site=$1
  63
  64     if [ -e /etc/koha/koha-sites.conf ]; then
  65         . /etc/koha/koha-sites.conf
  66     else
  67         echo "Error: /etc/koha/koha-sites.conf not present." 1>&2
  68         exit 1
  69     fi
  70     local intradomain="$INTRAPREFIX$site$INTRASUFFIX$DOMAIN"
  71     echo "$intradomain"
  72 }
  73
  74 letsencrypt_get_opacdomain_for()
  75 {
  76     local site=$1
  77
  78     if [ -e /var/lib/koha/$site/letsencrypt.enabled ]; then
  79         . /var/lib/koha/$site/letsencrypt.enabled
  80     else
  81         local opacdomain=$(get_opacdomain_for $site)
  82     fi
  83     echo "$opacdomain"
  84 }
  85
  86 is_enabled()
  87 {
  88     local site=$1
  89     local instancefile=$(get_apache_config_for $site)
  90
  91     if [ "$instancefile" = "" ]; then
  92         return 1
  93     fi
  94
  95     if grep -q '^[[:space:]]*Include /etc/koha/apache-shared-disable.conf' \
  96             "$instancefile" ; then
  97         return 1
  98     else
  99         return 0
 100     fi
 101 }
 102
 103 is_instance()
 104 {
 105     local instancename=$1
 106
 107     if find -L /etc/koha/sites -mindepth 1 -maxdepth 1 \
 108                          -type d -printf '%f\n'\
 109           | grep -q -x "$instancename" ; then
 110         return 0
 111     else
 112         return 1
 113     fi
 114 }
 115
 116 is_email_enabled()
 117 {
 118     local instancename=$1
 119
 120     if [ -e /var/lib/koha/$instancename/email.enabled ]; then
 121         return 0
 122     else
 123         return 1
 124     fi
 125 }
 126
 127 is_letsencrypt_enabled()
 128 {
 129     local instancename=$1
 130
 131     if [ -e /var/lib/koha/$instancename/letsencrypt.enabled ]; then
 132         return 0
 133     else
 134         return 1
 135     fi
 136 }
 137
 138 is_sip_enabled()
 139 {
 140     local instancename=$1
 141
 142     if [ -e /var/lib/koha/$instancename/sip.enabled ]; then
 143         return 0
 144     else
 145         return 1
 146     fi
 147 }
 148
 149 is_sitemap_enabled()
 150 {
 151     local instancename=$1
 152
 153     if [ -e /var/lib/koha/$instancename/sitemap.enabled ]; then
 154         return 0
 155     else
 156         return 1
 157     fi
 158 }
 159
 160 is_sip_running()
 161 {
 162     local instancename=$1
 163
 164     if daemon --name="$instancename-koha-sip" \
 165             --pidfiles="/var/run/koha/$instancename/" \
 166             --user="$instancename-koha.$instancename-koha" \
 167             --running ; then
 168         return 0
 169     else
 170         return 1
 171     fi
 172 }
 173
 174 is_zebra_running()
 175 {
 176     local instancename=$1
 177
 178     if daemon --name="$instancename-koha-zebra" \
 179             --pidfiles="/var/run/koha/$instancename/" \
 180             --user="$instancename-koha.$instancename-koha" \
 181             --running ; then
 182         return 0
 183     else
 184         return 1
 185     fi
 186 }
 187
 188 is_indexer_running()
 189 {
 190     local instancename=$1
 191
 192     if daemon --name="$instancename-koha-indexer" \
 193             --pidfiles="/var/run/koha/$instancename/" \
 194             --user="$instancename-koha.$instancename-koha" \
 195             --running ; then
 196         return 0
 197     else
 198         return 1
 199     fi
 200 }
 201
 202 is_plack_enabled_opac()
 203 {
 204     local instancefile=$1
 205
 206     if [ "$instancefile" = "" ]; then
 207         return 1
 208     fi
 209
 210     # remember 0 means success/true in bash.
 211     if grep -q '^[[:space:]]*Include /etc/koha/apache-shared-opac-plack.conf' \
 212             "$instancefile" ; then
 213         return 0
 214     else
 215         return 1
 216     fi
 217 }
 218
 219 is_plack_enabled_intranet()
 220 {
 221     local instancefile=$1
 222
 223     if [ "$instancefile" = "" ]; then
 224         return 1
 225     fi
 226
 227     # remember 0 means success/true in bash.
 228     if grep -q '^[[:space:]]*Include /etc/koha/apache-shared-intranet-plack.conf' \
 229             "$instancefile" ; then
 230         return 0
 231     else
 232         return 1
 233     fi
 234 }
 235
 236 is_plack_enabled()
 237 {
 238     local site=$1
 239     local instancefile=$(get_apache_config_for $site)
 240
 241     if [ "$instancefile" = "" ]; then
 242         return 1
 243     fi
 244
 245     if is_plack_enabled_opac $instancefile ; then
 246         enabledopac=1
 247     else
 248         enabledopac=0
 249     fi
 250     if is_plack_enabled_intranet $instancefile ; then
 251         enabledintra=1
 252     else
 253         enabledintra=0
 254     fi
 255
 256     # remember 0 means success/true in bash.
 257     if [ "$enabledopac" != "$enabledintra" ] ; then
 258         echo "$site has a plack configuration error. Enable or disable plack to correct this."
 259         return 0
 260     elif [ "$enabledopac" = "1" ] ; then
 261         return 0
 262     else
 263         return 1
 264     fi
 265 }
 266
 267 is_plack_running()
 268 {
 269     local instancename=$1
 270
 271     if start-stop-daemon --pidfile "/var/run/koha/${instancename}/plack.pid" \
 272             --user="$instancename-koha" \
 273             --status ; then
 274         return 0
 275     else
 276         return 1
 277     fi
 278 }
 279
 280 is_z3950_enabled()
 281 {
 282     local instancename=$1
 283
 284     if [ -e /etc/koha/sites/$instancename/z3950/config.xml ]; then
 285         return 0
 286     else
 287         return 1
 288     fi
 289 }
 290
 291 is_z3950_running()
 292 {
 293     local instancename=$1
 294
 295     if start-stop-daemon --pidfile "/var/run/koha/${instancename}/z3950-responder.pid" \
 296             --user="$instancename-koha" \
 297             --status ; then
 298         return 0
 299     else
 300         return 1
 301     fi
 302 }
 303
 304 adjust_paths_dev_install()
 305 {
 306 # Adjust KOHA_HOME, PERL5LIB for dev installs, as indicated by
 307 # corresponding tag in koha-conf.xml
 308
 309     local instancename=$1
 310     local dev_install=""
 311
 312     if [ "$instancename" != "" ] && is_instance $instancename; then
 313         dev_install=$(run_safe_xmlstarlet $instancename dev_install)
 314     fi
 315
 316     if [ "$dev_install" != "" ] && [ "$dev_install" != "0" ]; then
 317         DEV_INSTALL=1
 318         KOHA_HOME=$(run_safe_xmlstarlet $instancename intranetdir)
 319         PERL5LIB=$KOHA_HOME
 320     else
 321         DEV_INSTALL=""
 322     fi
 323 }
 324
 325 get_instances()
 326 {
 327     find -L /etc/koha/sites -mindepth 1 -maxdepth 1\
 328                          -type d -printf '%f\n' | sort
 329 }
 330
 331 get_loglevels()
 332 {
 333     local instancename=$1
 334     local retval=$(run_safe_xmlstarlet $instancename zebra_loglevels)
 335     if [ "$retval" != "" ]; then
 336         echo "$retval"
 337     else
 338         echo "none,fatal,warn"
 339     fi
 340 }
 341
 342 get_max_record_size()
 343 {
 344     local instancename=$1
 345     local retval=$(xmlstarlet sel -t -v 'yazgfs/config/zebra_max_record_size' /etc/koha/sites/$instancename/koha-conf.xml)
 346     if [ "$retval" != "" ]; then
 347         echo "$retval"
 348     else
 349         echo "1024"
 350     fi
 351 }
 352
 353 get_tmpdir()
 354 {
 355     if [ "$TMPDIR" != "" ]; then
 356         if [ -d "$TMPDIR" ]; then
 357             echo $TMPDIR
 358             return 0
 359         fi
 360         # We will not unset TMPDIR but just default to /tmp here
 361         # Note that mktemp (used later) would look at TMPDIR
 362         echo "/tmp"
 363         return 0
 364     fi
 365     local retval=$(mktemp -u)
 366     if [ "$retval" = "" ]; then
 367         echo "/tmp"
 368         return 0
 369     fi
 370     echo $(dirname $retval)
 371 }
 372
 373 run_safe_xmlstarlet()
 374 {
 375     # When a bash script sets -e (errexit), calling xmlstarlet on an
 376     # unexisting key would halt the script. This is resolved by calling
 377     # this function in a subshell. It will always returns true, while not
 378     # affecting the exec env of the caller. (Otherwise, errexit is cleared.)
 379     local instancename=$1
 380     local myexpr=$2
 381     set +e; # stay on the safe side
 382     echo $(xmlstarlet sel -t -v "yazgfs/config/$myexpr" /etc/koha/sites/$instancename/koha-conf.xml)
 383     return 0
 384 }