1 |
#!/usr/bin/perl -w |
2 |
# PrepareSnapshot |
3 |
# Vadim Mikheev, (c) 2000, PostgreSQL Inc. |
4 |
|
5 |
eval '(exit $?0)' && eval 'exec perl -S $0 ${1+"$@"}' |
6 |
& eval 'exec perl -S $0 $argv:q' |
7 |
if 0; |
8 |
|
9 |
BEGIN { |
10 |
my $basedir = $0; $basedir =~ s#/[^/]+$##; |
11 |
unshift(@INC, "$basedir/../share"); |
12 |
} |
13 |
|
14 |
use strict; |
15 |
use IO::File; |
16 |
use Getopt::Long; |
17 |
use RServ; |
18 |
|
19 |
$| = 1; |
20 |
|
21 |
my ($debug,$verbose) = (0,0); |
22 |
my ($help,$masterhost,$masterport,$masteruser,$masterpassword, |
23 |
$slavehost,$slaveport,$slaveuser,$slavepassword, |
24 |
$multimaster,$snapshot, |
25 |
); |
26 |
|
27 |
my $result = GetOptions( |
28 |
"debug!" => \$debug, "verbose!" => \$verbose, "help" => \$help, |
29 |
"masterhost=s" => \$masterhost, "masterport=i" => \$masterport, |
30 |
"masteruser=s" => \$masteruser, "masterpassword=s" => \$masterpassword, |
31 |
"multimaster" => \$multimaster, |
32 |
"snapshot=s" => \$snapshot, |
33 |
); |
34 |
|
35 |
if (defined($help) || (scalar(@ARGV) < 2)) { |
36 |
print "Usage: $0 [options] masterdb slavedb |
37 |
Options: |
38 |
--masterhost=hostname --masterport=port |
39 |
--masteruser=username --masterpassword=string |
40 |
--multimaster |
41 |
--snapshot=snapshot |
42 |
"; |
43 |
exit ((scalar(@ARGV) < 2)? 1:0); |
44 |
} |
45 |
|
46 |
$RServ::quiet = !$verbose; |
47 |
if ($debug) { |
48 |
$RServ::quiet = 0; |
49 |
no warnings 'vars'; |
50 |
$RServ::debug = $debug; |
51 |
} |
52 |
|
53 |
my $master = $ARGV[0] || "master"; |
54 |
my $slave = $ARGV[1] || "slave"; |
55 |
|
56 |
my $minfo = MkInfo($master,$masterhost,$masterport,$masteruser,$masterpassword); |
57 |
my $sinfo = MkInfo($slave,$slavehost,$slaveport,$slaveuser,$slavepassword); |
58 |
|
59 |
my $mconn = Pg::connectdb($minfo); |
60 |
if ($mconn->status != Pg::PGRES_CONNECTION_OK) { |
61 |
print STDERR "Failed opening $minfo\n"; |
62 |
exit 1; |
63 |
} |
64 |
my $sconn = Pg::connectdb($sinfo); |
65 |
if ($sconn->status != Pg::PGRES_CONNECTION_OK) { |
66 |
print STDERR "Failed opening $minfo\n"; |
67 |
exit 1; |
68 |
} |
69 |
|
70 |
my $outf; |
71 |
if (defined($snapshot)) { |
72 |
$outf = new IO::File; |
73 |
$outf->open("> $snapshot"); |
74 |
} else { |
75 |
$outf = *STDOUT; |
76 |
} |
77 |
|
78 |
$slavehost = 'localhost' if (! $slavehost); |
79 |
my $slaveId = GetServerId($mconn, $slave, $slavehost); |
80 |
if (! defined($slaveId)) { |
81 |
print STDERR "Can't find SlaveId for db '$slave' on host $slavehost. Is this database slave?\n"; |
82 |
exit 1; |
83 |
} |
84 |
die "Unknown SlaveId $slaveId for host $slavehost" if ($slaveId < 0); |
85 |
|
86 |
$masterhost = 'localhost' if (! $masterhost); |
87 |
my $masterId = GetServerId($mconn, $master, $masterhost); |
88 |
if (! defined($masterId)) { |
89 |
print STDERR "Can't find masterId for db '$master' on host $masterhost. Is this database master?\n"; |
90 |
exit 1; |
91 |
} |
92 |
die "Unknown masterId $masterId for host $masterhost" if ($masterId < 0); |
93 |
my $res = PrepareSnapshot ($mconn, $sconn, $outf, $masterId, $slaveId, $multimaster); |
94 |
|
95 |
if ($res == 0) |
96 |
{ |
97 |
printf STDERR "Sync-ed\n"; |
98 |
exit(0); |
99 |
} |
100 |
if ($res > 0) |
101 |
{ |
102 |
printf STDERR "Snapshot dumped.\n"; |
103 |
exit(0); |
104 |
} |
105 |
|
106 |
printf STDERR "ERROR\n"; |
107 |
exit(1); |