/[rserv]/bin/Replicate
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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revision 1.9 by dpavlin, Sun Aug 10 13:51:54 2003 UTC revision 1.14 by dpavlin, Fri Oct 31 00:06:11 2003 UTC
# Line 15  use strict; Line 15  use strict;
15  use IO::File;  use IO::File;
16  use Getopt::Long;  use Getopt::Long;
17  use RServ;  use RServ;
 use Sys::Hostname;  
18    
19  $| = 1;  $| = 1;
20    
# Line 23  my ($debug,$verbose) = (0,0); Line 22  my ($debug,$verbose) = (0,0);
22  my ($help,$masterhost,$masterport,$masteruser,$masterpassword,  my ($help,$masterhost,$masterport,$masteruser,$masterpassword,
23          $slavehost,$slaveport,$slaveuser,$slavepassword);          $slavehost,$slaveport,$slaveuser,$slavepassword);
24  my $snapshot = ".__Snapshot";  my $snapshot = ".__Snapshot";
25    my $multiplemaster = 0;
26    
27  my $result = GetOptions(  my $result = GetOptions(
28          "debug!" => \$debug, "verbose!" => \$verbose, "help" => \$help,          "debug!" => \$debug, "verbose!" => \$verbose, "help" => \$help,
# Line 31  my $result = GetOptions( Line 31  my $result = GetOptions(
31          "slavehost=s" => \$slavehost, "slaveport=i" => \$slaveport,          "slavehost=s" => \$slavehost, "slaveport=i" => \$slaveport,
32          "slaveuser=s" => \$slaveuser, "slavepassword=s" => \$slavepassword,          "slaveuser=s" => \$slaveuser, "slavepassword=s" => \$slavepassword,
33          "snapshot=s" => \$snapshot,          "snapshot=s" => \$snapshot,
34            "multiplemaster" => \$multiplemaster,
35          );          );
36    
37  if (defined($help) || (scalar(@ARGV) < 2)) {  if (defined($help) || (scalar(@ARGV) < 2)) {
# Line 39  Options: Line 40  Options:
40          --masterhost=hostname --masterport=port          --masterhost=hostname --masterport=port
41          --masteruser=username --masterpassword=string          --masteruser=username --masterpassword=string
42          --snapshot=snapshot          --snapshot=snapshot
43            [--masterserver=master_number]
44  ";  ";
45      exit ((scalar(@ARGV) < 2)? 1:0);      exit ((scalar(@ARGV) < 2)? 1:0);
46  }  }
# Line 54  if ($debug) { Line 56  if ($debug) {
56    
57  my $master = $ARGV[0] || "master";  my $master = $ARGV[0] || "master";
58  my $slave = $ARGV[1] || "slave";  my $slave = $ARGV[1] || "slave";
59    my $tables = $#ARGV < 2 ? undef : { map {($_, undef)} @ARGV[2..$#ARGV] };
60    
61  # first, let's check if a instance is alrealy running  # first, let's check if a instance is alrealy running
62    
# Line 120  if ($sconn->status != Pg::PGRES_CONNECTI Line 123  if ($sconn->status != Pg::PGRES_CONNECTI
123      exit 1;      exit 1;
124  }  }
125    
126  $slavehost = hostname if (! $slavehost);  $slavehost = 'localhost' if (! $slavehost);
127  my $slaveId = GetSlaveId($mconn, $slave, $slavehost);  $masterhost = 'localhost' if (! $masterhost);
128    
129  die "\n>>>>>>>>>>>>> ERROR: Can't GetSlaveID for $sinfo\n" if (! $slaveId);  my $slaveId = GetServerId($mconn, $slave, $slavehost);
130    
131    die "\n>>>>>>>>>>>>> ERROR: Can't GetServerId for $sinfo\n" if (! defined($slaveId));
132    
133  if ($slaveId < 0) {  if ($slaveId < 0) {
134      unlink $fname;      unlink $fname;
135      die "\n>>>>>>>>>>>>> ERROR\n";      die "\n>>>>>>>>>>>>> ERROR: GetServerId returned $slaveId < 0\n";
136  }  }
137  SyncSync($mconn, $sconn);  SyncSync($mconn, $sconn);
138    
139    my $masterId = 0;
140    if ($multiplemaster || $slaveId == 0) {
141            $masterId = GetServerId($sconn, $master, $masterhost);
142    
143            die "\n>>>>>>>>>>>>> ERROR: Can't GetServerId for $sinfo\n" if (! defined($masterId));
144    
145            if ($masterId < 0) {
146                unlink $fname;
147                die "\n>>>>>>>>>>>>> ERROR: GetServerId returned $masterId < 0\n";
148            }
149            SyncSync($sconn, $mconn);
150    }
151    
152  my $outf = new IO::File;  my $outf = new IO::File;
153  open $outf, ">$snapshot";  open $outf, ">$snapshot";
154  print "\n>>>>>>>>>>>>> Prepare Snapshot\n\n" if ($verbose);  print "\n>>>>>>>>>>>>> Prepare Snapshot\n\n" if ($verbose);
155  my $res = PrepareSnapshot($mconn, $sconn, $outf, $slaveId);  print "master id: $masterId slave id: $slaveId\n" if ($debug);
156    my $res = PrepareSnapshot($mconn, $sconn, $outf, $masterId, $slaveId, $tables);
157  close $outf;  close $outf;
158  if ($res < 0) {  if ($res < 0) {
159      unlink $fname;      unlink $fname;
# Line 151  if ($res == 0) Line 170  if ($res == 0)
170  my $inpf = new IO::File;  my $inpf = new IO::File;
171  open $inpf, "<$snapshot";  open $inpf, "<$snapshot";
172  print "\n>>>>>>>>>>>>> Apply Snapshot\n\n" if ($verbose);  print "\n>>>>>>>>>>>>> Apply Snapshot\n\n" if ($verbose);
173  $res = ApplySnapshot($sconn, $inpf);  $res = ApplySnapshot($sconn, $inpf, $tables);
174  close $inpf;  close $inpf;
175  if ($res < 0) {  if ($res < 0) {
176      unlink $fname;      unlink $fname;
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