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 vsnames all
  18 getconf vsinclude
  19 getconf exclude
  20
  21 setsection dest
  22 getconf keep 60
  23 getconf sshoptions
  24 getconf bandwidthlimit 0
  25 getconf desthost
  26 getconf destdir
  27 getconf destuser
  28 destdir=${destdir%/}
  29
  30 [ "$destdir" != "" ] || fatal "Destination directory not set"
  31 [ "$include" != "" ] || fatal "No source includes specified"
  32 [ "$password" != "" ] || fatal "No password specified"
  33
  34 ### vservers stuff ###
  35
  36 # See if vservers are configured.
  37 # If so, check that the ones listed in $vsnames do exist.
  38 if [ "$vservers" == "yes" ]; then
  39     [ -d "$VROOTDIR" ] || fatal "vservers enabled, but $VROOTDIR does not exist!"
  40     if [ "$vsnames" == "all" ]; then
  41         vsnames=""
  42         for vserver in `ls $VROOTDIR | grep -v lost+found | grep -v ARCHIVES`; do
  43             vsnames="$vserver $vsnames"
  44         done
  45     else
  46         for vserver in "$vsnames"; do
  47             [ -d "$VROOTDIR/$vserver" ] || fatal "vserver '$vserver' does not exist."
  48         done
  49     fi
  50     if [ -n "$vsnames" ]; then
  51         if [ -n "$vsinclude" ]; then
  52             info "Using vservers '$vsnames'"
  53             usevserver=1
  54         fi
  55     else
  56         [ -z "$vsinclude" ] || warning 'vsnames is empty, vsinclude configuration lines will be ignored'
  57     fi
  58 fi
  59
  60 ### see if we can login ###
  61
  62 if [ "$testconnect" == "yes" ]; then
  63     debug "ssh $sshoptions -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'"
  64     if [ ! $test ]; then
  65         result=`ssh $sshoptions -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1' 2>&1`
  66         if [ "$result" != "1" ]; then
  67             fatal "Can't connect to $desthost as $destuser."
  68         else
  69             debug "Connected to $desthost as $destuser successfully"
  70         fi
  71     fi
  72 fi
  73
  74 ### COMMAND-LINE MANGLING ###
  75
  76 scpoptions="$sshoptions"
  77 [ "$bandwidthlimit" == 0 ] || scpoptions="$scpoptions -l $bandwidthlimit"
  78
  79 execstr="$options --no-print-statistics --scp-command 'scp $scpoptions' --ssh-command 'ssh $sshoptions' "
  80
  81 if [ "$encryptkey" == "" ]; then
  82     [ "$sign" != "yes" ] || fatal "encryptkey option must be set when signing."
  83 else
  84     execstr="${execstr}--encrypt-key $encryptkey "
  85     [ "$sign" != "yes" ] || execstr="${execstr}--sign-key $encryptkey "
  86 fi
  87
  88 if [ "$keep" != "yes" ]; then
  89     if [ "`echo $keep | tr -d 0-9`" == "" ]; then
  90         keep="${keep}D"
  91     fi
  92     execstr="${execstr}--remove-older-than $keep "
  93 fi
  94
  95 execstr_serverpart="scp://$destuser@$desthost/$destdir"
  96 execstr_clientpart="/"
  97
  98 ### SOURCE ###
  99
 100 # excludes
 101 for i in $exclude; do
 102         str="${i//__star__/*}"
 103         execstr="${execstr}--exclude $str "
 104 done
 105
 106 # includes
 107 for i in $include; do
 108         str="${i//__star__/*}"
 109         execstr="${execstr}--include $str "
 110 done
 111
 112 # vsincludes
 113 if [ $usevserver ]; then
 114     for vserver in $vsnames; do
 115         for vi in $vsinclude; do
 116             str="${vi//__star__/*}"
 117             execstr="${execstr}--include '$VROOTDIR/$vserver$str' "
 118         done
 119     done
 120 fi
 121
 122 ### EXECUTE ###
 123
 124 # exclude everything else, start with root
 125 #execstr="${execstr}--exclude '**' / "
 126
 127 # include client-part and server-part
 128 #execstr="$execstr $execstr_serverpart"
 129
 130 execstr=${execstr//\\*/\\\\\\*}
 131
 132 debug "duplicity $execstr --exclude '**' / $execstr_serverpart"
 133 if [ ! $test ]; then
 134         output=`nice -n $nicelevel \
 135                   su -c \
 136                     "export PASSPHRASE=$password \
 137                      && duplicity $execstr --exclude '**' / $execstr_serverpart 2>&1"`
 138         code=$?
 139         if [ "$code" == "0" ]; then
 140                 debug $output
 141                 info "Duplicity finished successfully."
 142         else
 143                 warning $output
 144                 warning "Duplicity failed."
 145         fi
 146 fi
 147
 148 return 0