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// writes to new master while maing master-master logs consistent
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 );
}
write = function( m, n, id ) {
if ( id ) {
save = { _id:id, n:n };
} else {
save = { n:n };
}
m.getDB( baseName ).getCollection( baseName ).save( save );
}
checkCount = function( m, c ) {
m.setSlaveOk();
assert.soon( function() {
actual = m.getDB( baseName ).getCollection( baseName ).find().count();
print( actual );
return c == actual; },
"count failed for " + m );
}
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 );
} );
// now each can only talk to arbiter
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 );
} );
debug( "starting to do writes" );
for( i = 0; i < 5000; ++i ) {
write( l, i, i );
}
l.getDB( baseName ).getCollection( baseName ).findOne();
debug( "done doing writes" );
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 );
} );
r.getDB( baseName ).getCollection( baseName ).update( {_id:4999}, {_id:4999,n:-1}, true );
checkCount( r, 5000 );
assert.eq( -1, r.getDB( baseName ).getCollection( baseName ).findOne( {_id:4999} ).n );
l.setSlaveOk();
assert.soon( function() {
n = l.getDB( baseName ).getCollection( baseName ).findOne( {_id:4999} ).n;
print( n );
return -1 == n;
} );
ports.forEach( function( x ) { stopMongoProgram( x ); } );
}
doTest();
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