handlers/dup

   1 #
   2 # duplicity script for backupninja
   3 # requires duplicity
   4 #
   5
   6 getconf options
   7 getconf testconnect yes
   8 getconf nicelevel 0
   9
  10 setsection gpg
  11 getconf password
  12 getconf sign no
  13 getconf encryptkey
  14
  15 setsection source
  16 getconf include
  17 getconf exclude
  18
  19 setsection dest
  20 getconf keep 60
  21 getconf sshoptions
  22 getconf bandwidthlimit 0
  23 getconf desthost
  24 getconf destdir
  25 getconf destuser
  26 destdir=${destdir%/}
  27
  28 [ "$destdir" != "" ] || fatal "Destination directory not set"
  29 [ "$include" != "" ] || fatal "No source includes specified"
  30 [ "$password" != "" ] || fatal "No password specified"
  31
  32 # see if we can login
  33 if [ "$testconnect" == "yes" ]; then
  34     debug "ssh $sshoptions -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'"
  35     if [ ! $test ]; then
  36         result=`ssh $sshoptions -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1' 2>&1`
  37         if [ "$result" != "1" ]; then
  38             fatal "Can't connect to $desthost as $destuser."
  39         else
  40             debug "Connected to $desthost as $destuser successfully"
  41         fi
  42     fi
  43 fi
  44
  45 ### COMMAND-LINE MANGLING ###
  46
  47 scpoptions="$sshoptions"
  48 [ "$bandwidthlimit" == 0 ] || scpoptions="$scpoptions -l $bandwidthlimit"
  49
  50 execstr="$options --no-print-statistics --scp-command 'scp $scpoptions' --ssh-command 'ssh $sshoptions' "
  51
  52 if [ "$encryptkey" == "" ]; then
  53     [ "$sign" != "yes" ] || fatal "encryptkey option must be set when signing."
  54 else
  55     execstr="${execstr}--encrypt-key $encryptkey "
  56     [ "$sign" != "yes" ] || execstr="${execstr}--sign-key $encryptkey "
  57 fi
  58
  59 if [ "$keep" != "yes" ]; then
  60     if [ "`echo $keep | tr -d 0-9`" == "" ]; then
  61         keep="${keep}D"
  62     fi
  63     execstr="${execstr}--remove-older-than $keep "
  64 fi
  65
  66 execstr_serverpart="scp://$destuser@$desthost/$destdir"
  67 execstr_clientpart="/"
  68
  69 ### SOURCE ###
  70
  71 # excludes
  72 for i in $exclude; do
  73         str="${i//__star__/*}"
  74         execstr="${execstr}--exclude $str "
  75 done
  76
  77 # includes
  78 for i in $include; do
  79         str="${i//__star__/*}"
  80         execstr="${execstr}--include $str "
  81 done
  82
  83 ### EXECUTE ###
  84
  85 # exclude everything else, start with root
  86 #execstr="${execstr}--exclude '**' / "
  87
  88 # include client-part and server-part
  89 #execstr="$execstr $execstr_serverpart"
  90
  91 execstr=${execstr//\\*/\\\\\\*}
  92
  93 debug "duplicity $execstr --exclude '**' / $execstr_serverpart"
  94 if [ ! $test ]; then
  95         output=`nice -n $nicelevel \
  96                   su -c \
  97                     "export PASSPHRASE=$password \
  98                      && duplicity $execstr --exclude '**' / $execstr_serverpart 2>&1"`
  99         code=$?
 100         if [ "$code" == "0" ]; then
 101                 debug $output
 102                 info "Duplicity finished successfully."
 103         else
 104                 warning $output
 105                 warning "Duplicity failed."
 106         fi
 107 fi
 108
 109 return 0