src/scripts/check_services

   1 #!/bin/bash
   2
   3 # Load debconf stuff
   4 . /usr/share/debconf/confmodule
   5
   6 # Load nase funkcije
   7 . /usr/share/carnet-upgrade/data.sh
   8 . /usr/share/carnet-upgrade/messages.sh
   9 . /usr/share/carnet-upgrade/functions.sh
  10
  11 # provjeri da li su paketi iz prvog polja instalirani i to strpaj u debconf
  12 cs_preupgrade () {
  13   local services i
  14
  15   for i in $(echo "$services_to_check" | sed 's/                */      /g'| awk -F'    ' '{print $1}')
  16   do
  17     if pkg $i; then
  18       if ! echo $services | grep -q $i; then
  19         services="$services $i"
  20       fi
  21     fi
  22   done
  23
  24   if [ -n "$services" ]; then
  25     db_set carnet-upgrade/check-services "$services"
  26     db_go || true
  27   fi
  28 }
  29
  30 cs_pgrep () {
  31     local failed_services
  32
  33     while read line; do
  34         # get service param from stdin
  35         user=$(echo "$line" | awk -F '  ' '{print $2}')
  36         psname=$(echo "$line" | awk -F '        ' '{print $3}')
  37         nicename=$(echo "$line" | awk -F '      ' '{print $4}')
  38
  39         # check if service is running
  40         if ! pgrep -u $user -f "$psname" > /dev/null; then
  41             failed_services="$failed_services, $nicename"
  42
  43         fi
  44     done
  45
  46     echo ${failed_services#, }
  47 }
  48
  49 # uzmi iz debconfa instalirane servise, i provjeri rade li
  50 cs_postupgrade () {
  51   local services i failed_services msg_header
  52
  53   case "$queuename" in
  54     upgrade) msg_header="$msg_finished_upgrade"
  55       ;;
  56     *)
  57       msg_header="$msg_finished"
  58       ;;
  59   esac
  60
  61   db_get carnet-upgrade/check-services || true
  62   services="${RET// /|}"
  63
  64   failed_services=$(
  65     echo "$services_to_check" \
  66     | grep -E "^($services)" \
  67     | sed 's/           */      /g' \
  68     | cs_pgrep
  69   )
  70
  71   if [ -n "$failed_services" ]; then
  72     notice "$msg_header$msg_failed_services$failed_services"
  73   else
  74     notice "$msg_header"
  75   fi
  76 }
  77
  78 # checkiraj da li je sto zapisano u debconf
  79 cs_check () {
  80   db_get carnet-upgrade/check-services || true
  81   debconf="$RET"
  82
  83   if [ -n "$debconf" ]; then
  84     exit 0
  85   else
  86     exit 1
  87   fi
  88 }
  89
  90 # prikazi sto je zapisano u debconf
  91 cs_show () {
  92   db_get carnet-upgrade/check-services || true
  93   echo "$RET"
  94 }
  95
  96 case "$1" in
  97 preupgrade)     cs_preupgrade
  98         ;;
  99 postupgrade)    cs_postupgrade
 100         ;;
 101 check)  cs_check
 102         ;;
 103 show)   cs_show
 104         ;;
 105 *)      echo "Usage: $0 (preupgrade|postupgrade|check|show)"
 106         exit 1
 107         ;;
 108 esac
 109 exit 0
 110