Files
mongo/jstests/repl/pair6.js

140 lines
4.3 KiB
JavaScript

// pairing cases where oplogs run out of space
var baseName = "jstests_pair5test";
debug = function( p ) {
print( p );
}
ismaster = function( n ) {
var im = n.getDB( "admin" ).runCommand( { "ismaster" : 1 } );
print( "ismaster: " + tojson( im ) );
assert( im, "command ismaster failed" );
return im.ismaster;
}
connect = function() {
startMongoProgram( "mongobridge", "--port", lpPort, "--dest", "localhost:" + lPort );
startMongoProgram( "mongobridge", "--port", rpPort, "--dest", "localhost:" + rPort );
}
disconnect = function() {
stopMongoProgram( lpPort );
stopMongoProgram( rpPort );
}
checkCount = function( m, c ) {
m.setSlaveOk();
assert.soon( function() {
actual = m.getDB( baseName ).getCollection( baseName ).find().count();
print( actual );
return c == actual; },
"expected count " + c + " for " + m );
}
big = new Array( 2000 ).toString();
doTest = function() {
ports = allocatePorts( 5 );
aPort = ports[ 0 ];
lPort = ports[ 1 ];
lpPort = ports[ 2 ];
rPort = ports[ 3 ];
rpPort = ports[ 4 ];
// start normally
connect();
a = startMongod( "--port", aPort, "--dbpath", "/data/db/" + baseName + "-arbiter", "--nohttpinterface" );
l = startMongod( "--port", lPort, "--dbpath", "/data/db/" + baseName + "-left", "--pairwith", "127.0.0.1:" + rpPort, "127.0.0.1:" + aPort, "--oplogSize", "1", "--nohttpinterface" );
r = startMongod( "--port", rPort, "--dbpath", "/data/db/" + baseName + "-right", "--pairwith", "127.0.0.1:" + lpPort, "127.0.0.1:" + aPort, "--oplogSize", "1", "--nohttpinterface" );
assert.soon( function() {
lm = ismaster( l );
rm = ismaster( r );
assert( lm == -1 || lm == 0, "lm value invalid" );
assert( rm == -1 || rm == 0 || rm == 1, "rm value invalid" );
return ( lm == 0 && rm == 1 );
} );
disconnect();
assert.soon( function() {
lm = ismaster( l );
rm = ismaster( r );
assert( lm == 1 || lm == 0, "lm value invalid" );
assert( rm == 1, "rm value invalid" );
return ( lm == 1 && rm == 1 );
} );
print( "test one" );
// fill slave oplog
for( i = 0; i < 1000; ++i ) {
l.getDB( baseName ).getCollection( baseName ).save( {b:big} );
}
l.getDB( baseName ).getCollection( baseName ).findOne();
// write single to master
r.getDB( baseName ).getCollection( baseName ).save( {} );
connect();
assert.soon( function() {
lm = ismaster( l );
rm = ismaster( r );
assert( lm == 1 || lm == 0, "lm value invalid" );
assert( rm == 1, "rm value invalid" );
return ( lm == 0 && rm == 1 );
} );
checkCount( l, 1 );
checkCount( r, 1 );
r.getDB( baseName ).getCollection( baseName ).remove( {} );
checkCount( l, 0 );
disconnect();
assert.soon( function() {
lm = ismaster( l );
rm = ismaster( r );
assert( lm == 1 || lm == 0, "lm value invalid" );
assert( rm == 1, "rm value invalid" );
return ( lm == 1 && rm == 1 );
} );
print( "test two" );
// fill master oplog
for( i = 0; i < 1000; ++i ) {
r.getDB( baseName ).getCollection( baseName ).save( {b:big} );
}
l.getDB( baseName ).getCollection( baseName ).save( {_id:"abcde"} );
connect();
assert.soon( function() {
lm = ismaster( l );
rm = ismaster( r );
assert( lm == 1 || lm == 0, "lm value invalid" );
assert( rm == 1, "rm value invalid" );
return ( lm == 0 && rm == 1 );
} );
sleep( 30000 );
checkCount( l, 1000 );
checkCount( r, 1000 );
assert.eq( 0, l.getDB( baseName ).getCollection( baseName ).find( {_id:"abcde"} ).count() );
ports.forEach( function( x ) { stopMongoProgram( x ); } );
}
doTest();