bin/cpdup/scripts/do_mirror_host

   1 #!/bin/csh
   2 #
   3 # $DragonFly: src/bin/cpdup/scripts/do_mirror_host,v 1.2 2006/09/21 00:18:13 dillon Exp $
   4
   5 source params
   6
   7 if ( "$argv" == "" ) then
   8     echo "Specify host mounted in $backup_nfs (e.g. 'apollo'), and level."
   9     echo "Level 0 - full backup, do not use hardlink trick"
  10     echo "Level 1 - full backup, use hardlink trick but verify each file"
  11     echo "Level 2 - full backup, use hardlink trick and stat shortcut"
  12     echo "./do_mirror_host <host> <level> > $backup_path/mirrors/<host>.log"
  13     exit 1
  14 endif
  15
  16 set date = `date "+%Y%m%d"`
  17 set host = "$argv[1]"
  18 set level = "$argv[2]"
  19
  20 if ( ! -d $backup_nfs/$host ) then
  21     echo "Host not found in $backup_nfs"
  22     exit 1
  23 endif
  24 if ( ! -d $backup_path/mirrors/$host ) then
  25     mkdir $backup_path/mirrors/$host
  26 endif
  27
  28 # Target directory for this backup
  29 #
  30 set target = $host.$date
  31 if ( ! -d $backup_path/mirrors/$target ) then
  32     mkdir -p $backup_path/mirrors/$target
  33 endif
  34
  35 set failed = 0
  36
  37 # Record log
  38 #
  39 rm -f $backup_path/mirrors/$target/{INPROGRESS,FAILED,SUCCEEDED}
  40 if ( -f $backup_path/mirrors/$host.log ) then
  41     ln $backup_path/mirrors/$host.log $backup_path/mirrors/$target/INPROGRESS
  42 else
  43     echo "NO LOG RECORDED" > $backup_path/mirrors/$target/INPROGRESS
  44 endif
  45
  46 # Iterate subdirectories.  Each subdirectory is considered to be a separate
  47 # filesystem.
  48 #
  49 foreach fs ( $backup_nfs/$host/* )
  50     set dirname = $fs:t
  51
  52     echo "Backing up $fs"
  53     if ( ! -d $backup_path/mirrors/$target/$dirname ) then
  54         mkdir -p $backup_path/mirrors/$target/$dirname
  55     endif
  56     if ( -f $fs/NOT_MOUNTED ) then
  57         echo "NOT MOUNTED"
  58         set failed = 1
  59         continue
  60     endif
  61     switch ( $level )
  62     case 0:
  63         echo "cpdup -i0 -s0 -I $fs $backup_path/mirrors/$target/$dirname"
  64         cpdup -i0 -s0 -I $fs $backup_path/mirrors/$target/$dirname
  65         if ( $status != 0 ) then
  66             set failed = 1
  67         endif
  68         breaksw
  69     case 1:
  70         echo "cpdup -f -i0 -s0 -I -H $backup_path/mirrors/$host/$dirname $fs $backup_path/mirrors/$target/$dirname"
  71         cpdup -f -i0 -s0 -I -H $backup_path/mirrors/$host/$dirname $fs $backup_path/mirrors/$target/$dirname
  72         if ( $status != 0 ) then
  73             set failed = 1
  74         endif
  75         breaksw
  76     case 2:
  77         echo "cpdup -i0 -s0 -I -H $backup_path/mirrors/$host/$dirname $fs $backup_path/mirrors/$target/$dirname"
  78         cpdup -i0 -s0 -I -H $backup_path/mirrors/$host/$dirname $fs $backup_path/mirrors/$target/$dirname
  79         if ( $status != 0 ) then
  80             set failed = 1
  81         endif
  82         breaksw
  83     default:
  84         echo "UNKNOWN BACKUP LEVEL, USE ONLY 0-2"
  85         set failed = 1
  86         breaksw
  87     endsw
  88     sync
  89     echo ""
  90 end
  91
  92 # If we succeeded then set up a softlink so a higher level incremental
  93 # backup can locate the most recent version of the previous level,
  94 # another so we can locate the most recent backup period, and also
  95 # rename the log file.
  96 #
  97 if ( $failed == 0 ) then
  98     rm -f $backup_path/mirrors/$host
  99     ln -s "$host.$date" $backup_path/mirrors/$host
 100     mv $backup_path/mirrors/$target/{INPROGRESS,SUCCEEDED}
 101     sync
 102     echo "SUCCEEDED"
 103 else
 104     mv $backup_path/mirrors/$target/{INPROGRESS,FAILED}
 105     sync
 106     echo "FAILED"
 107 endif
 108