/[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 1.15 by dpavlin, Sun Nov 2 10:21:45 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;  $| = 1;
20    
21  my ($debug,$verbose) = (0,0);  #my ($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 46  Options: Line 48  Options:
48  $snapshot .= '.' . $$;  $snapshot .= '.' . $$;
49    
50  $RServ::quiet = !$verbose;  $RServ::quiet = !$verbose;
51  if ($debug) {  #if ($debug) {
52          $RServ::quiet = 0;  #print "## q:$RServ::quiet v:$RServ::verbose d:$RServ::debug\n";
53          no warnings 'vars';  #       $RServ::quiet = 0;
54          $RServ::debug = $debug;  #       no warnings 'vars';
55  }  #       $RServ::debug = $debug;
56    #print "## q:$RServ::quiet v:$RServ::verbose d:$RServ::debug\n";
57    #}
58    
59  my $master = $ARGV[0] || "master";  my $master = $ARGV[0] || "master";
60  my $slave = $ARGV[1] || "slave";  my $slave = $ARGV[1] || "slave";
61    my $tables = $#ARGV < 2 ? undef : { map {($_, undef)} @ARGV[2..$#ARGV] };
62    
63  # first, let's check if a instance is alrealy running  # first, let's check if a instance is alrealy running
64    
# Line 91  sub mydie { Line 96  sub mydie {
96          exit 1;          exit 1;
97  }  }
98    
99    my $minfo = MkInfo($master,$masterhost,$masterport,$masteruser,$masterpassword);
100  my $minfo = "dbname=$master";  my $sinfo = MkInfo($slave,$slavehost,$slaveport,$slaveuser,$slavepassword);
 $minfo = "$minfo host=$masterhost" if (defined($masterhost));  
 $minfo = "$minfo port=$masterport" if (defined($masterport));  
 $minfo = "$minfo user=$masteruser" if (defined($masteruser));  
 $minfo = "$minfo password=$masterpassword" if (defined($masterpassword));  
   
 my $sinfo = "dbname=$slave";  
 $sinfo = "$sinfo host=$slavehost" if (defined($slavehost));  
 $sinfo = "$sinfo port=$slaveport" if (defined($slaveport));  
 $sinfo = "$sinfo user=$slaveuser" if (defined($slaveuser));  
 $sinfo = "$sinfo password=$slavepassword" if (defined($slavepassword));  
101    
102  print "Master connection is $minfo\n" if ($debug);  print "Master connection is $minfo\n" if ($debug);
103  print "Slave connection is $sinfo\n" if ($debug);  print "Slave connection is $sinfo\n" if ($debug);
# Line 120  if ($sconn->status != Pg::PGRES_CONNECTI Line 115  if ($sconn->status != Pg::PGRES_CONNECTI
115      exit 1;      exit 1;
116  }  }
117    
118  $slavehost = hostname if (! $slavehost);  $slavehost = 'localhost' if (! $slavehost);
119  my $slaveId = GetSlaveId($mconn, $slave, $slavehost);  $masterhost = 'localhost' if (! $masterhost);
120    
121  die "\n>>>>>>>>>>>>> ERROR: Can't GetSlaveID for $sinfo\n" if (! $slaveId);  my $slaveId = GetServerId($mconn, $slave, $slavehost);
122    
123    die "\n>>>>>>>>>>>>> ERROR: Can't GetServerId for $sinfo\n" if (! defined($slaveId));
124    
125  if ($slaveId < 0) {  if ($slaveId < 0) {
126      unlink $fname;      unlink $fname;
127      die "\n>>>>>>>>>>>>> ERROR\n";      die "\n>>>>>>>>>>>>> ERROR: GetServerId returned $slaveId < 0\n";
128  }  }
129  SyncSync($mconn, $sconn);  SyncSync($mconn, $sconn);
130    
131    my $masterId = 0;
132    if ($multiplemaster || $slaveId == 0) {
133            $masterId = GetServerId($sconn, $master, $masterhost);
134    
135            die "\n>>>>>>>>>>>>> ERROR: Can't GetServerId for $sinfo\n" if (! defined($masterId));
136    
137            if ($masterId < 0) {
138                unlink $fname;
139                die "\n>>>>>>>>>>>>> ERROR: GetServerId returned $masterId < 0\n";
140            }
141            SyncSync($sconn, $mconn);
142    }
143    
144  my $outf = new IO::File;  my $outf = new IO::File;
145  open $outf, ">$snapshot";  open $outf, ">$snapshot";
146  print "\n>>>>>>>>>>>>> Prepare Snapshot\n\n" if ($verbose);  print "\n>>>>>>>>>>>>> Prepare Snapshot\n\n" if ($verbose);
147  my $res = PrepareSnapshot($mconn, $sconn, $outf, $slaveId);  print "master id: $masterId slave id: $slaveId\n" if ($debug);
148    my $res = PrepareSnapshot($mconn, $sconn, $outf, $masterId, $slaveId, $tables);
149  close $outf;  close $outf;
150  if ($res < 0) {  if ($res < 0) {
151      unlink $fname;      unlink $fname;
# Line 151  if ($res == 0) Line 162  if ($res == 0)
162  my $inpf = new IO::File;  my $inpf = new IO::File;
163  open $inpf, "<$snapshot";  open $inpf, "<$snapshot";
164  print "\n>>>>>>>>>>>>> Apply Snapshot\n\n" if ($verbose);  print "\n>>>>>>>>>>>>> Apply Snapshot\n\n" if ($verbose);
165  $res = ApplySnapshot($sconn, $inpf);  $res = ApplySnapshot($sconn, $inpf, $tables);
166  close $inpf;  close $inpf;
167  if ($res < 0) {  if ($res < 0) {
168      unlink $fname;      unlink $fname;
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