/[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!

Diff of /bin/Replicate

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-revision 1.8 by dpavlin,
Sun Aug 10 13:21:50 2003 UTC
+revision 1.18 by dpavlin,
Sun Nov  2 21:07:14 2003 UTC
 Line 15 
 use strict;
  use IO::File;
  use Getopt::Long;
  use RServ;
- use Sys::Hostname;
  $| = 1;
- my ($debug,$verbose) = (0,0);
+ #my ($debug,$verbose) = (0,0);
  my ($help,$masterhost,$masterport,$masteruser,$masterpassword,
          $slavehost,$slaveport,$slaveuser,$slavepassword);
  my $snapshot = ".__Snapshot";
+ my $multimaster = 0;
  my $result = GetOptions(
          "debug!" => \$debug, "verbose!" => \$verbose, "help" => \$help,
 Line 31 
 my $result = GetOptions(
          "slavehost=s" => \$slavehost, "slaveport=i" => \$slaveport,
          "slaveuser=s" => \$slaveuser, "slavepassword=s" => \$slavepassword,
          "snapshot=s" => \$snapshot,
+         "multimaster" => \$multimaster,
          );
  if (defined($help) || (scalar(@ARGV) < 2)) {
-Line 39 
 Options:
+Line 40 
 Options:
          --masterhost=hostname --masterport=port
          --masteruser=username --masterpassword=string
          --snapshot=snapshot
+         [--masterserver=master_number]
  ";
      exit ((scalar(@ARGV) < 2)? 1:0);
  }
-Line 46 
 Options:
+Line 48 
 Options:
  $snapshot .= '.' . $$;
  $RServ::quiet = !$verbose;
- if ($debug) {
+ #if ($debug) {
-         $RServ::quiet = 0;
+ #print "## q:$RServ::quiet v:$RServ::verbose d:$RServ::debug\n";
-         no warnings 'vars';
+ #       $RServ::quiet = 0;
-         $RServ::debug = $debug;
+ #       no warnings 'vars';
- }
+ #       $RServ::debug = $debug;
+ #print "## q:$RServ::quiet v:$RServ::verbose d:$RServ::debug\n";
+ #}
  my $master = $ARGV[0] || "master";
  my $slave = $ARGV[1] || "slave";
+ my $tables = $#ARGV < 2 ? undef : { map {($_, undef)} @ARGV[2..$#ARGV] };
  # first, let's check if a instance is alrealy running
-Line 63 
 $str .= ':'.$slave;
+Line 68 
 $str .= ':'.$slave;
  $str .= '@'.$slavehost if (defined($slavehost));
  my $fname = "/tmp/.lock_rserv-$str";
  if (-e $fname) {
-     print STDERR "rServ is already running for $str. Remove $fname to override this.\n";
+         open(PID,$fname) || die "can't open pid file '$fname'";
-     exit(1);
+         my $pid = <PID>; chomp($pid);
+         close(PID);
+         open(PS,"ps ax |") || die "can't start ps to check for running rServ with pid $pid\n";
+         my $is_running = 0;
+         while(<PS>) {
+                 chomp;
+                 $is_running = 1 if (/^\s*$pid\s/);
+         }
+         close(PS);
+         if ($is_running) {
+                 print STDERR "rServ [$pid] is already running for $str. Remove $fname to override this.\n";
+                 exit(1);
+         } else {
+                 print STDERR "found stale pid file, but no running rServ [$pid], overriding.\n";
+         }
  }
  open ARQ, ">$fname" || die "Cannot open $fname: $!\n";
  print ARQ "$$\n";
  close ARQ;
- my $minfo = "dbname=$master";
+ $SIG{__DIE__} = \&mydie;
- $minfo = "$minfo host=$masterhost" if (defined($masterhost));
+ sub mydie {
- $minfo = "$minfo port=$masterport" if (defined($masterport));
+         unlink $fname;
- $minfo = "$minfo user=$masteruser" if (defined($masteruser));
+         print @_;
- $minfo = "$minfo password=$masterpassword" if (defined($masterpassword));
+         exit 1;
+ }
- my $sinfo = "dbname=$slave";
- $sinfo = "$sinfo host=$slavehost" if (defined($slavehost));
+ my $minfo = MkInfo($master,$masterhost,$masterport,$masteruser,$masterpassword);
- $sinfo = "$sinfo port=$slaveport" if (defined($slaveport));
+ my $sinfo = MkInfo($slave,$slavehost,$slaveport,$slaveuser,$slavepassword);
- $sinfo = "$sinfo user=$slaveuser" if (defined($slaveuser));
- $sinfo = "$sinfo password=$slavepassword" if (defined($slavepassword));
  print "Master connection is $minfo\n" if ($debug);
  print "Slave connection is $sinfo\n" if ($debug);
- my $mconn = Pg::connectdb($minfo);
+ my $mconn = Connect($minfo);
- if ($mconn->status != Pg::PGRES_CONNECTION_OK) {
+ my $sconn = Connect($sinfo);
-     print STDERR "Failed opening $minfo\n";
-     unlink $fname;
+ $slavehost = 'localhost' if (! $slavehost);
-     exit 1;
+ $masterhost = 'localhost' if (! $masterhost);
- }
- my $sconn = Pg::connectdb($sinfo);
+ my $slaveId = GetServerId($mconn, $slave, $slavehost);
- if ($sconn->status != Pg::PGRES_CONNECTION_OK) {
-     print STDERR "Failed opening $sinfo\n";
+ die "\n>>>>>>>>>>>>> ERROR: Can't GetServerId for $sinfo\n" if (! defined($slaveId));
+ if ($slaveId < 0) {
      unlink $fname;
-     exit 1;
+     die "\n>>>>>>>>>>>>> ERROR: GetServerId returned $slaveId < 0\n";
  }
+ #SyncSync($mconn, $sconn);
- my $slaveId = GetSlaveId($mconn, $slave, defined($slavehost) ? $slavehost : hostname);
+ my $masterId = GetServerId($mconn, $master, $masterhost);
- if ($slaveId < 0) {
+ die "\n>>>>>>>>>>>>> ERROR: Can't GetServerId for $sinfo\n" if (! defined($masterId));
+ if ($masterId < 0) {
      unlink $fname;
-     die "\n>>>>>>>>>>>>> ERROR\n";
+     die "\n>>>>>>>>>>>>> ERROR: GetServerId returned $masterId < 0\n";
  }
- SyncSync($mconn, $sconn);
+ #SyncSync($sconn, $mconn);
+ print "Using snapshot file: $snapshot\n" if ($debug);
  my $outf = new IO::File;
  open $outf, ">$snapshot";
  print "\n>>>>>>>>>>>>> Prepare Snapshot\n\n" if ($verbose);
- my $res = PrepareSnapshot($mconn, $sconn, $outf, $slaveId);
+ print "master id: $masterId slave id: $slaveId\n" if ($debug);
+ #my $res = PrepareSnapshot($mconn, $sconn, $outf, $masterId, $slaveId, $multimaster, $tables);
+ my $res = PrepareSnapshot($mconn, $sconn, $outf, $masterId, $slaveId, $multimaster);
  close $outf;
  if ($res < 0) {
      unlink $fname;
-Line 125 
 if ($res == 0)
+Line 152 
 if ($res == 0)
  my $inpf = new IO::File;
  open $inpf, "<$snapshot";
  print "\n>>>>>>>>>>>>> Apply Snapshot\n\n" if ($verbose);
- $res = ApplySnapshot($sconn, $inpf);
+ #$res = ApplySnapshot($sconn, $inpf, $multimaster, $tables);
+ $res = ApplySnapshot($sconn, $inpf, $multimaster);
  close $inpf;
  if ($res < 0) {
      unlink $fname;

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Added in v.1.18
 Legend:



Removed from v.1.8
 


changed lines


 
Added in v.1.18
-Removed from v.1.8
+Added in v.1.18

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