src/scripts/check_services

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