/[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 29 by dpavlin, Fri Oct 5 01:01:13 2007 UTC revision 64 by dpavlin, Fri Feb 27 18:41:06 2009 UTC
# Line 27  sub vzctl_stop { Line 27  sub vzctl_stop {
27          }          }
28  }  }
29    
   
30  if ( $action eq 'create' ) {  if ( $action eq 'create' ) {
31          vzctl_stop( $CVEID );          vzctl_stop( $CVEID );
32  } elsif ( $action eq 'destroy' ) {  } elsif ( $action eq 'destroy' ) {
# Line 35  if ( $action eq 'create' ) { Line 34  if ( $action eq 'create' ) {
34  }  }
35    
36    
37  if ( 1 || $action =~ m/(umount|destroy)/ ) {  if ( $action =~ m/(create|umount|destroy)/ ) {
38          my $clone;          my $clone;
39          open(my $m, '-|', 'mount') || die "can't open mount: $!";          open(my $m, '-|', 'mount') || die "can't open mount: $!";
40          while(<$m>) {          while(<$m>) {
41                  my @v = split(/\s+/,$_);                  my @v = split(/\s+/,$_);
42                  if ( $v[2] =~ m!/(private|root)/$VEID$! && $v[5] =~ m/bind/ ) {                  if ( $v[2] =~ m{/(private|root)/$CVEID$} && $v[5] =~ m/bind/ ) {
43                          umount( $v[2] );                          umount( $v[2] );
44                  } elsif ( $v[2] =~ m!vz-clone-$VEID$! ) {                  } elsif ( $v[2] =~ m{vz-clone-$CVEID$} ) {
45                          $clone = $v[2];                          $clone = $v[2];
46                  }                  }
47          }          }
48          umount( $clone ) if $clone;          umount( $clone ) if $clone;
49    
50            exit if $action eq 'umount';
51  }  }
52    
 #die "unknown action: $action" unless $action eq 'create';  
 exit unless $action =~ m/(create|mount)/;  
53    
54  my $orig_conf = "/etc/vz/conf/$VEID.conf";  my $orig_conf = "/etc/vz/conf/$VEID.conf";
55    
# Line 86  sub copy_files { Line 85  sub copy_files {
85          my ( $from, $to ) = @_;          my ( $from, $to ) = @_;
86          return if $action ne 'create';          return if $action ne 'create';
87          warn "rsync $from -> $to\n";          warn "rsync $from -> $to\n";
88          rsync('-raSHAD', "$from/", "$to/" );          rsync('-raSHAD', '--delete', "$from/", "$to/" );
89  }  }
90    
91  if ( $vz_lv ) {  if ( $vz_lv ) {
92    
93          my ( $vz_lv_path, $vz_lv_name ) = ( $1, $2 ) if ( $vz_lv =~ m!^(.+)/([^/]+)$! );          my ( $vz_lv_path, $vz_lv_name ) = ( $1, $2 ) if ( $vz_lv =~ m{^(.+)/([^/]+)$} );
94    
95          my $snap = $vz_lv_name . '-snap';          my $snap = $vz_lv_name . '-snap';
96          my $clone = "vz-clone-$CVEID";          my $clone = "vz-clone-$CVEID";
# Line 126  if ( $vz_lv ) { Line 125  if ( $vz_lv ) {
125                    
126          }          }
127    
128          my $vg_name = $1 if ( $vz_lv_path =~ m!/([^/]+)/*$! );          my $vg_name = $1 if ( $vz_lv_path =~ m{/([^/]+)/*$} );
129    
130          if ( lvdisplay( "$vz_lv_path/$clone" ) ) {          if ( lvdisplay( "$vz_lv_path/$clone" ) ) {
131                  warn "using existing $vz_lv_path/$clone\n";                  warn "using existing $vz_lv_path/$clone\n";
# Line 170  exit if $action eq 'mount'; Line 169  exit if $action eq 'mount';
169    
170  my $note = "# modified by $0\n";  my $note = "# modified by $0\n";
171    
172    my $ve_clone_ip;
173    
174  sub fix_ip {  sub fix_ip {
175          my $ip = shift;          my $ip = shift;
176          $ip =~ s/['"]//g;          $ip =~ s/['"]//g;
177          $ip =~ s/^\d+\./10./;  #       $ip =~ s/^\d+\./10./;
178            $ip =~ s/^\d+\.\d+\./192.168./;
179          warn "$CVEID new IP number: $ip\n";          warn "$CVEID new IP number: $ip\n";
180            $ve_clone_ip = $ip;
181          return $note . qq{IP_ADDRESS="$ip"};          return $note . qq{IP_ADDRESS="$ip"};
182  }  }
183    
# Line 189  sub fix_hostname { Line 192  sub fix_hostname {
192  open(my $o, '<', "$conf/$VEID.conf")  || die "can't open $conf/$VEID.conf: $!";  open(my $o, '<', "$conf/$VEID.conf")  || die "can't open $conf/$VEID.conf: $!";
193  open(my $n, '>', "$conf/$CVEID.conf") || die "can't open $conf/$CVEID.conf: $!";  open(my $n, '>', "$conf/$CVEID.conf") || die "can't open $conf/$CVEID.conf: $!";
194  while(<$o>) {  while(<$o>) {
195          s!^HOSTNAME=(.*)$!fix_hostname($1)!ie;          s{^HOSTNAME=(.*)$}{fix_hostname($1)}ie;
196          s!^IP_ADDRESS=(.*)$!fix_ip($1)!ie;          s{^IP_ADDRESS=(.*)$}{fix_ip($1)}ie;
197          s!^(ONBOOT=).*$!# modified by $0\n$1"no"!i;          s{^(ONBOOT=).*$}{# modified by $0\n$1"no"}i;
198          print $n $_;          print $n $_;
199  }  }
200    
201  print "\nPlease review config file: $conf/$CVEID.conf\nAdd NAT for new VE with: iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE\nStart clone of $VEID with: vzctl start $CVEID\n"  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"
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