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 getconf signkey
  15
  16 setsection source
  17 getconf include
  18 getconf vsnames all
  19 getconf vsinclude
  20 getconf exclude
  21
  22 setsection dest
  23 getconf incremental yes
  24 getconf keep 60
  25 getconf sshoptions
  26 getconf bandwidthlimit 0
  27 getconf desthost
  28 getconf destdir
  29 getconf destuser
  30 destdir=${destdir%/}
  31
  32 [ "$destdir" != "" ] || fatal "Destination directory not set"
  33 [ "$include" != "" ] || fatal "No source includes specified"
  34 [ "$password" != "" ] || fatal "No password specified"
  35
  36 ### vservers stuff ###
  37
  38 # See if vservers are configured.
  39 # If so, check that the ones listed in $vsnames do exist.
  40 if [ "$vservers" == "yes" ]; then
  41     [ -d "$VROOTDIR" ] || fatal "vservers enabled, but $VROOTDIR does not exist!"
  42     if [ "$vsnames" == "all" ]; then
  43         vsnames=""
  44         for vserver in `ls $VROOTDIR | grep -E -v "lost+found|ARCHIVES"`; do
  45             vsnames="$vserver $vsnames"
  46         done
  47     else
  48         for vserver in "$vsnames"; do
  49             [ -d "$VROOTDIR/$vserver" ] || fatal "vserver '$vserver' does not exist."
  50         done
  51     fi
  52     if [ -n "$vsnames" ]; then
  53         if [ -n "$vsinclude" ]; then
  54             info "Using vservers '$vsnames'"
  55             usevserver=1
  56         fi
  57     else
  58         [ -z "$vsinclude" ] || warning 'vsnames is empty, vsinclude configuration lines will be ignored'
  59     fi
  60 fi
  61
  62 ### see if we can login ###
  63
  64 if [ "$testconnect" == "yes" ]; then
  65     debug "ssh $sshoptions -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'"
  66     if [ ! $test ]; then
  67         result=`ssh $sshoptions -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'`
  68         if [ "$result" != "1" ]; then
  69             fatal "Can't connect to $desthost as $destuser."
  70         else
  71             debug "Connected to $desthost as $destuser successfully"
  72         fi
  73     fi
  74 fi
  75
  76 ### COMMAND-LINE MANGLING ###
  77
  78 scpoptions="$sshoptions"
  79 [ "$bandwidthlimit" == 0 ] || scpoptions="$scpoptions -l $bandwidthlimit"
  80
  81 execstr="$options --no-print-statistics --scp-command 'scp $scpoptions' --ssh-command 'ssh $sshoptions' "
  82
  83 # if encryptkey is set, add --encrypt-key to the command-line
  84 [ -z "$encryptkey" ] || execstr="${execstr}--encrypt-key $encryptkey "
  85 # if signkey is not set, set it to encryptkey
  86 [ -n "$signkey" ] || signkey="$encryptkey"
  87 # if needed, add --sign-key to command-line
  88 if [ "$sign" == "yes" ]; then
  89     if [ -n "$signkey" ]; then
  90         execstr="${execstr}--sign-key $signkey "
  91     else
  92         fatal "Either encryptkey or signkey option must be set when signing."
  93     fi
  94 fi
  95
  96 if [ "$keep" != "yes" ]; then
  97     if [ "`echo $keep | tr -d 0-9`" == "" ]; then
  98         keep="${keep}D"
  99     fi
 100     execstr="${execstr}--remove-older-than $keep "
 101 fi
 102
 103 if [ "$incremental" == "no" ]; then
 104     execstr="${execstr}--full "
 105 fi
 106
 107 execstr_serverpart="scp://$destuser@$desthost/$destdir"
 108 execstr_clientpart="/"
 109
 110 ### SOURCE ###
 111
 112 # excludes
 113 for i in $exclude; do
 114         str="${i//__star__/*}"
 115         execstr="${execstr}--exclude '$str' "
 116 done
 117
 118 # includes
 119 for i in $include; do
 120         str="${i//__star__/*}"
 121         execstr="${execstr}--include '$str' "
 122 done
 123
 124 # vsincludes
 125 if [ $usevserver ]; then
 126     for vserver in $vsnames; do
 127         for vi in $vsinclude; do
 128             str="${vi//__star__/*}"
 129             execstr="${execstr}--include '$VROOTDIR/$vserver$str' "
 130         done
 131     done
 132 fi
 133
 134 ### EXECUTE ###
 135
 136 # exclude everything else, start with root
 137 #execstr="${execstr}--exclude '**' / "
 138
 139 # include client-part and server-part
 140 #execstr="$execstr $execstr_serverpart"
 141
 142 execstr=${execstr//\\*/\\\\\\*}
 143
 144 debug "duplicity $execstr --exclude '**' / $execstr_serverpart"
 145 if [ ! $test ]; then
 146         export PASSPHRASE=$password
 147         output=`nice -n $nicelevel \
 148                   su -c \
 149                     "duplicity $execstr --exclude '**' / $execstr_serverpart 2>&1"`
 150         code=$?
 151         if [ $code -eq 0 ]; then
 152                 debug $output
 153                 info "Duplicity finished successfully."
 154         else
 155                 debug $output
 156                 fatal "Duplicity failed."
 157         fi
 158 fi
 159
 160 return 0