/[vz-tools]/trunk/vz-clone.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Diff of /trunk/vz-clone.pl

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revision 65 by dpavlin, Fri Feb 27 20:05:02 2009 UTC revision 69 by dpavlin, Tue Mar 3 20:58:48 2009 UTC
# Line 6  use Shell qw/rsync vzlist lvcreate mount Line 6  use Shell qw/rsync vzlist lvcreate mount
6  my $vz   = '/vz';  my $vz   = '/vz';
7  my $conf = '/etc/vz/conf';  my $conf = '/etc/vz/conf';
8    
9  my $snap_size = '1G';  my $snap_size = '10G';
10    
11  my ( $action, $VEID ) = @ARGV;  my ( $action, $VEID ) = @ARGV;
12    
# Line 34  if ( $action eq 'create' ) { Line 34  if ( $action eq 'create' ) {
34  }  }
35    
36    
37  if ( $action =~ m/(create|umount|destroy)/ ) {  if ( $action =~ m{(create|umount|destroy)} ) {
38          my $clone;          my $clone;
39            my $snap;
40          open(my $m, '-|', 'mount') || die "can't open mount: $!";          open(my $m, '-|', 'mount') || die "can't open mount: $!";
41          while(<$m>) {          while(<$m>) {
42                  my @v = split(/\s+/,$_);                  my @v = split(/\s+/,$_);
43                  if ( $v[2] =~ m{/(private|root)/$CVEID$} && $v[5] =~ m/bind/ ) {                  if ( $v[2] =~ m{/(private|root)/($VEID|$CVEID)$} && $v[5] =~ m{bind} ) {
44                          umount( $v[2] );                          umount( $v[2] );
45                  } elsif ( $v[2] =~ m{vz-clone-$CVEID$} ) {                  } elsif ( $v[2] =~ m{vz-clone-$CVEID$} ) {
46                          $clone = $v[2];                          $clone = $v[2];
47                    } elsif ( $v[2] =~ m{-snap} ) {
48                            $snap = $v[0];
49                            umount( $snap );
50                  }                  }
51          }          }
52          umount( $clone ) if $clone;          umount( $clone ) if $clone;
53          lvremove( '-f', $clone );          if ( $action eq 'destroy' && -e $snap ) {
54                    lvremove( '-f', $snap );
55            }
56    
57            vzctl('destroy', $VEID) if $action eq 'destroy';
58    
59          exit if $action eq 'umount';          exit if $action =~ m{(umount|destroy)};
60  }  }
61    
62    
# Line 191  while(<$o>) { Line 199  while(<$o>) {
199    
200  print $n qq{DISK_QUOTA="no"\n} if $use_snapshot; # don't wait for quota rebuild on startup  print $n qq{DISK_QUOTA="no"\n} if $use_snapshot; # don't wait for quota rebuild on startup
201    
202  print "\nPlease review config file: $conf/$CVEID.conf\nAdd NAT for new VE with: iptables -t nat -A POSTROUTING -s $ve_clone_ip -o eth0 -j MASQUERADE\nStart clone of $VEID with: vzctl start $CVEID\n"  my $iptables="iptables -t nat -A POSTROUTING -s $ve_clone_ip -o eth0 -j MASQUERADE";
203    system( $iptables );
204    print "\nConfig file: $conf/$CVEID.conf\nAdded NAT for new VE with: $iptables\nStart clone of $VEID with: vzctl start $CVEID\n"
205    
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