debian/scripts/koha-start-zebra

   1 #!/bin/sh
   2 #
   3 # koha-start-zebra - Start 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=$1
  35     local instancefile="/etc/apache2/sites-available/$instancename.conf"
  36
  37     if ! is_instance $instancename; then
  38         return 1
  39     fi
  40
  41     if grep -q '^[[:space:]]*Include /etc/koha/apache-shared-disable.conf' \
  42             "$instancefile" ; then
  43         return 1
  44     else
  45         return 0
  46     fi
  47 }
  48
  49 is_instance()
  50 {
  51     local instancename=$1
  52
  53     if find /etc/koha/sites -mindepth 1 -maxdepth 1 \
  54                          -type d -printf '%f\n'\
  55           | grep -q -x $instancename ; then
  56         return 0
  57     else
  58         return 1
  59     fi
  60 }
  61
  62 is_zebra_running()
  63 {
  64     local instancename=$1
  65
  66     if daemon --name="$instancename-koha-zebra" \
  67             --user="$instancename-koha.$instancename-koha" \
  68             --running ; then
  69         return 0
  70     else
  71         return 1
  72     fi
  73 }
  74
  75 start_zebra_instance()
  76 {
  77     local instancename=$1
  78
  79     if is_enabled $instancename; then
  80         echo "Starting Zebra server for $instancename"
  81         touch "/var/log/koha/$instancename/zebra-error.log" \
  82             "/var/log/koha/$instancename/zebra.log" \
  83             "/var/log/koha/$instancename/zebra-output.log"
  84         chown "$instancename-koha:$instancename-koha" \
  85             "/var/log/koha/$instancename/zebra-error.log" \
  86             "/var/log/koha/$instancename/zebra.log" \
  87             "/var/log/koha/$instancename/zebra-output.log"
  88         daemon \
  89             --name="$instancename-koha-zebra" \
  90             --errlog="/var/log/koha/$instancename/zebra-error.log" \
  91             --stdout="/var/log/koha/$instancename/zebra.log" \
  92             --output="/var/log/koha/$instancename/zebra-output.log" \
  93             --verbose=1 \
  94             --respawn \
  95             --delay=30 \
  96             --user="$instancename-koha.$instancename-koha" \
  97             -- \
  98             zebrasrv \
  99             -v none,fatal,warn \
 100             -f "/etc/koha/sites/$instancename/koha-conf.xml" && \
 101         return 0
 102     else
 103         return 1
 104     fi
 105 }
 106
 107 usage()
 108 {
 109     local scriptname=$0
 110     cat <<EOF
 111 Starts Zebra for Koha instances.
 112
 113 Usage: $scriptname instancename1 instancename2...
 114
 115 EOF
 116 }
 117
 118 # Parse command line.
 119 #[ $# -ge 1 ] || ( usage ; die "Missing instance name..." )
 120
 121 # Loop through the instance names
 122 for name in "$@"
 123 do
 124     if is_instance $name ; then
 125         if is_enabled $name ; then
 126             if ! is_zebra_running $name; then
 127                 if ! start_zebra_instance $name; then
 128                     warn "Something went wrong starting Zebra for $name."
 129                 fi
 130             else
 131                 warn "Zebra already running for instance $name."
 132             fi
 133         else
 134             warn "Instance $name disabled. No action taken."
 135         fi
 136     else
 137         warn "Unknown instance $name."
 138     fi
 139 done
 140
 141 exit 0