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 incremental yes
  23 getconf keep 60
  24 getconf sshoptions
  25 getconf bandwidthlimit 0
  26 getconf desthost
  27 getconf destdir
  28 getconf destuser
  29 destdir=${destdir%/}
  30
  31 [ "$destdir" != "" ] || fatal "Destination directory not set"
  32 [ "$include" != "" ] || fatal "No source includes specified"
  33 [ "$password" != "" ] || fatal "No password specified"
  34
  35 ### vservers stuff ###
  36
  37 # See if vservers are configured.
  38 # If so, check that the ones listed in $vsnames do exist.
  39 if [ "$vservers" == "yes" ]; then
  40     [ -d "$VROOTDIR" ] || fatal "vservers enabled, but $VROOTDIR does not exist!"
  41     if [ "$vsnames" == "all" ]; then
  42         vsnames=""
  43         for vserver in `ls $VROOTDIR | grep -E -v "lost+found|ARCHIVES"`; do
  44             vsnames="$vserver $vsnames"
  45         done
  46     else
  47         for vserver in "$vsnames"; do
  48             [ -d "$VROOTDIR/$vserver" ] || fatal "vserver '$vserver' does not exist."
  49         done
  50     fi
  51     if [ -n "$vsnames" ]; then
  52         if [ -n "$vsinclude" ]; then
  53             info "Using vservers '$vsnames'"
  54             usevserver=1
  55         fi
  56     else
  57         [ -z "$vsinclude" ] || warning 'vsnames is empty, vsinclude configuration lines will be ignored'
  58     fi
  59 fi
  60
  61 ### see if we can login ###
  62
  63 if [ "$testconnect" == "yes" ]; then
  64     debug "ssh $sshoptions -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'"
  65     if [ ! $test ]; then
  66         result=`ssh $sshoptions -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'`
  67         if [ "$result" != "1" ]; then
  68             fatal "Can't connect to $desthost as $destuser."
  69         else
  70             debug "Connected to $desthost as $destuser successfully"
  71         fi
  72     fi
  73 fi
  74
  75 ### COMMAND-LINE MANGLING ###
  76
  77 scpoptions="$sshoptions"
  78 [ "$bandwidthlimit" == 0 ] || scpoptions="$scpoptions -l $bandwidthlimit"
  79
  80 execstr="$options --no-print-statistics --scp-command 'scp $scpoptions' --ssh-command 'ssh $sshoptions' "
  81
  82 if [ "$encryptkey" == "" ]; then
  83     [ "$sign" != "yes" ] || fatal "encryptkey option must be set when signing."
  84 else
  85     execstr="${execstr}--encrypt-key $encryptkey "
  86     [ "$sign" != "yes" ] || execstr="${execstr}--sign-key $encryptkey "
  87 fi
  88
  89 if [ "$keep" != "yes" ]; then
  90     if [ "`echo $keep | tr -d 0-9`" == "" ]; then
  91         keep="${keep}D"
  92     fi
  93     execstr="${execstr}--remove-older-than $keep "
  94 fi
  95
  96 if [ "$incremental" == "no" ]; then
  97     execstr="${execstr}--full "
  98 fi
  99
 100 execstr_serverpart="scp://$destuser@$desthost/$destdir"
 101 execstr_clientpart="/"
 102
 103 ### SOURCE ###
 104
 105 # excludes
 106 for i in $exclude; do
 107         str="${i//__star__/*}"
 108         execstr="${execstr}--exclude $str "
 109 done
 110
 111 # includes
 112 for i in $include; do
 113         str="${i//__star__/*}"
 114         execstr="${execstr}--include $str "
 115 done
 116
 117 # vsincludes
 118 if [ $usevserver ]; then
 119     for vserver in $vsnames; do
 120         for vi in $vsinclude; do
 121             str="${vi//__star__/*}"
 122             execstr="${execstr}--include '$VROOTDIR/$vserver$str' "
 123         done
 124     done
 125 fi
 126
 127 ### EXECUTE ###
 128
 129 # exclude everything else, start with root
 130 #execstr="${execstr}--exclude '**' / "
 131
 132 # include client-part and server-part
 133 #execstr="$execstr $execstr_serverpart"
 134
 135 execstr=${execstr//\\*/\\\\\\*}
 136
 137 debug "duplicity $execstr --exclude '**' / $execstr_serverpart"
 138 if [ ! $test ]; then
 139         export PASSPHRASE=$password
 140         output=`nice -n $nicelevel \
 141                   su -c \
 142                     "duplicity $execstr --exclude '**' / $execstr_serverpart 2>&1"`
 143         code=$?
 144         if [ $code -eq 0 ]; then
 145                 debug $output
 146                 info "Duplicity finished successfully."
 147         else
 148                 debug $output
 149                 fatal "Duplicity failed."
 150         fi
 151 fi
 152
 153 return 0