/[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 26 by dpavlin, Thu Oct 4 23:23:20 2007 UTC revision 27 by dpavlin, Thu Oct 4 23:42:24 2007 UTC
# Line 10  my $snap_size = '100M'; Line 10  my $snap_size = '100M';
10    
11  my ( $action, $VEID ) = @ARGV;  my ( $action, $VEID ) = @ARGV;
12    
13    my $use_snapshot = 0;
14    
15  my $valid_actions = 'create|umount|destroy';  my $valid_actions = 'create|umount|destroy';
16    
17  die "Usage: $0 ($valid_actions) VEID\n\n",vzlist unless $VEID && $action && $action =~ m/($valid_actions)/;  die "Usage: $0 ($valid_actions) VEID\n\n",vzlist unless $VEID && $action && $action =~ m/($valid_actions)/;
18    
19  if ( $action eq 'destroy' ) {  my $CVEID = "10$VEID";
20    
21    sub vzctl_stop {
22            my $veid = shift;
23          my $vzlist = vzlist();          my $vzlist = vzlist();
24          if ( $vzlist =~ m/$VEID/ ) {          if ( $vzlist =~ m/$veid/ ) {
25                  print "stop $VEID\n";                  print "stop $veid\n";
26                  vzctl('stop', $VEID);                  vzctl('stop', $veid);
27          }          }
28  }  }
29    
30  if ( $action =~ m/(umount|destroy)/ ) {  
31    if ( $action eq 'create' ) {
32            vzctl_stop( $CVEID );
33    } elsif ( $action eq 'destroy' ) {
34            vzctl_stop( $VEID );
35    }
36    
37    
38    if ( 1 || $action =~ m/(umount|destroy)/ ) {
39          my $clone;          my $clone;
40          open(my $m, '-|', 'mount') || die "can't open mount: $!";          open(my $m, '-|', 'mount') || die "can't open mount: $!";
41          while(<$m>) {          while(<$m>) {
# Line 39  if ( $action =~ m/(umount|destroy)/ ) { Line 52  if ( $action =~ m/(umount|destroy)/ ) {
52  #die "unknown action: $action" unless $action eq 'create';  #die "unknown action: $action" unless $action eq 'create';
53  exit unless $action eq 'create';  exit unless $action eq 'create';
54    
 my $CVEID = "10$VEID";  
   
55  my $orig_conf = "/etc/vz/conf/$VEID.conf";  my $orig_conf = "/etc/vz/conf/$VEID.conf";
56    
57  die "$VEID config $orig_conf doesn't exist\n" unless -e $orig_conf;  die "$VEID config $orig_conf doesn't exist\n" unless -e $orig_conf;
# Line 105  if ( $vz_lv ) { Line 116  if ( $vz_lv ) {
116                  mount( '--bind', $from, $to );                  mount( '--bind', $from, $to );
117          }          }
118    
119          print "Creating $snap_size snapshot $snap from $vz_lv\n";          if ( $use_snapshot ) {
120          lvcreate( '--size', $snap_size, '--snapshot', '--name', $snap, $vz_lv );  
121                    print "Creating $snap_size snapshot $snap from $vz_lv\n";
122                    lvcreate( '--size', $snap_size, '--snapshot', '--name', $snap, $vz_lv );
123    
124          do_mount( "$vz_lv_path/$snap", "/tmp/$snap" );                  do_mount( "$vz_lv_path/$snap", "/tmp/$snap" );
125            
126            }
127    
128          my $clone_size = fs_quota( $VEID ) . 'k';          my $clone_size = fs_quota( $VEID ) . 'k';
129          my $vg_name = $1 if ( $vz_lv_path =~ m!/([^/]+)/*$! );          my $vg_name = $1 if ( $vz_lv_path =~ m!/([^/]+)/*$! );
# Line 129  if ( $vz_lv ) { Line 144  if ( $vz_lv ) {
144          mount_bind( "/tmp/$clone/private", "$vz/private/$CVEID" );          mount_bind( "/tmp/$clone/private", "$vz/private/$CVEID" );
145          mount_bind( "/tmp/$clone/root", "$vz/root/$CVEID" );          mount_bind( "/tmp/$clone/root", "$vz/root/$CVEID" );
146    
147          copy_files( "/tmp/$snap/private/$VEID", "$vz/private/$CVEID" );          if ( $use_snapshot ) {
148    
149                    copy_files( "/tmp/$snap/private/$VEID", "$vz/private/$CVEID" );
150    
151          print "Cleanup\n";                  print "Cleanup\n";
152    
153          #umount( "$vz_lv_path/$clone" );                  #umount( "$vz_lv_path/$clone" );
154          umount( "$vz_lv_path/$snap" );                  umount( "$vz_lv_path/$snap" );
155    
156          lvremove( '-f', "$vz_lv_path/$snap" );                  lvremove( '-f', "$vz_lv_path/$snap" );
157    
158            } else {
159                    copy_files( "$vz/private/$VEID", "$vz/private/$CVEID" );
160    
161            }
162    
163  } else {  } else {
164    

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