debian/scripts/koha-restart-zebra

   1 #!/bin/sh
   2 #
   3 # koha-restart-zebra - Restart Zebra for named Koha instances
   4 # Copyright 2010  Catalyst IT, Ltd
   5 #
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 set -e
  20
  21 die()
  22 {
  23     echo "$@" 1>&2
  24     exit 1
  25 }
  26
  27 warn()
  28 {
  29     echo "$@" 1>&2
  30 }
  31
  32 is_enabled()
  33 {
  34     local instancename=$1
  35
  36     if ! is_instance $instancename; then
  37         return 1
  38     fi
  39
  40     if grep -q '^[[:space:]]*Include /etc/koha/apache-shared-disable.conf' \
  41             "/etc/apache2/sites-available/$instancename" ; then
  42         return 1
  43     else
  44         return 0
  45     fi
  46 }
  47
  48 is_instance()
  49 {
  50     local instancename=$1
  51
  52     if find /etc/koha/sites -mindepth 1 -maxdepth 1 \
  53                          -type d -printf '%f\n'\
  54           | grep -q -x $instancename ; then
  55         return 0
  56     else
  57         return 1
  58     fi
  59 }
  60
  61 is_zebra_running()
  62 {
  63     local instancename=$1
  64
  65     if daemon --name="$instancename-koha-zebra" \
  66             --user="$instancename-koha.$instancename-koha" \
  67             --running ; then
  68         return 0
  69     else
  70         return 1
  71     fi
  72 }
  73
  74 restart_zebra_instance()
  75 {
  76     local instancename=$1
  77
  78     if is_zebra_running $instancename; then
  79         echo "Restarting Zebra server for $instancename"
  80         daemon \
  81             --name="$instancename-koha-zebra" \
  82             --errlog="/var/log/koha/$instancename/zebra-error.log" \
  83             --stdout="/var/log/koha/$instancename/zebra.log" \
  84             --output="/var/log/koha/$instancename/zebra-output.log" \
  85             --verbose=1 \
  86             --respawn \
  87             --delay=30 \
  88             --user="$instancename-koha.$instancename-koha" \
  89             --restart \
  90             -- \
  91             zebrasrv \
  92             -v none,fatal,warn \
  93             -f "/etc/koha/sites/$instancename/koha-conf.xml" && \
  94         return 0
  95     else
  96         return 1
  97     fi
  98 }
  99
 100 start_zebra_instance()
 101 {
 102     local instancename=$1
 103
 104     if is_enabled $instancename; then
 105         echo "Starting Zebra server for $instancename"
 106         daemon \
 107             --name="$instancename-koha-zebra" \
 108             --errlog="/var/log/koha/$instancename/zebra-error.log" \
 109             --stdout="/var/log/koha/$instancename/zebra.log" \
 110             --output="/var/log/koha/$instancename/zebra-output.log" \
 111             --verbose=1 \
 112             --respawn \
 113             --delay=30 \
 114             --user="$instancename-koha.$instancename-koha" \
 115             -- \
 116             zebrasrv \
 117             -v none,fatal,warn \
 118             -f "/etc/koha/sites/$instancename/koha-conf.xml" && \
 119         return 0
 120     else
 121         return 1
 122     fi
 123 }
 124
 125 usage()
 126 {
 127     local scriptname=$0
 128     cat <<EOF
 129 Restart Zebra for Koha instances.
 130
 131 Usage: $scriptname instancename1 instancename2...
 132
 133 EOF
 134 }
 135
 136 # Parse command line.
 137 #[ $# -ge 1 ] || ( usage ; die "Missing instance name..." )
 138
 139 # Loop through the instance names
 140 for name in "$@"
 141 do
 142     if is_instance $name ; then
 143         if is_enabled $name ; then
 144
 145             if ! is_zebra_running $name; then
 146                 warn "Zebra does not appear to have been running for instance $name."
 147
 148                 if ! start_zebra_instance $name ; then
 149                     warn "Something went wrong starting Zebra for $name."
 150                 fi
 151             else
 152                 if ! restart_zebra_instance $name; then
 153                   warn "Something went wrong restarting Zebra for $name."
 154                 fi
 155             fi
 156         else
 157             warn "Instance $name disabled. No action taken."
 158         fi
 159     else
 160         warn "Unknown instance $name."
 161     fi
 162 done
 163
 164 exit 0