320 lines
11 KiB
JavaScript
320 lines
11 KiB
JavaScript
// test arbitration
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var baseName = "jstests_pair3test";
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ismaster = function( n ) {
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var im = n.getDB( "admin" ).runCommand( { "ismaster" : 1 } );
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print( "ismaster: " + tojson( im ) );
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assert( im, "command ismaster failed" );
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return im.ismaster;
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}
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connect = function() {
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startMongoProgram( "mongobridge", "--port", alPort, "--dest", "localhost:" + aPort );
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startMongoProgram( "mongobridge", "--port", arPort, "--dest", "localhost:" + aPort );
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startMongoProgram( "mongobridge", "--port", lpPort, "--dest", "localhost:" + lPort );
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startMongoProgram( "mongobridge", "--port", rpPort, "--dest", "localhost:" + rPort );
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}
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doTest1 = function() {
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ports = allocatePorts( 7 );
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aPort = ports[ 0 ];
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alPort = ports[ 1 ];
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arPort = ports[ 2 ];
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lPort = ports[ 3 ];
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lpPort = ports[ 4 ];
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rPort = ports[ 5 ];
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rpPort = ports[ 6 ];
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connect();
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a = startMongod( "--port", aPort, "--dbpath", "/data/db/" + baseName + "-arbiter", "--nohttpinterface" );
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l = startMongod( "--port", lPort, "--dbpath", "/data/db/" + baseName + "-left", "--pairwith", "127.0.0.1:" + rpPort, "127.0.0.1:" + alPort, "--oplogSize", "1", "--nohttpinterface" );
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r = startMongod( "--port", rPort, "--dbpath", "/data/db/" + baseName + "-right", "--pairwith", "127.0.0.1:" + lpPort, "127.0.0.1:" + arPort, "--oplogSize", "1", "--nohttpinterface" );
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// normal startup
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == -1 || lm == 0, "lm value invalid" );
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assert( rm == -1 || rm == 0 || rm == 1, "rm value invalid" );
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return ( lm == 0 && rm == 1 );
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} );
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// disconnect l (slave)
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stopMongoProgram( alPort );
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stopMongoProgram( lpPort );
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stopMongoProgram( rpPort );
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == 0 || lm == -3, "lm value invalid" );
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assert( rm == 1, "rm value invalid" );
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return ( lm == -3 );
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} );
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// disconnect r ( master )
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stopMongoProgram( arPort );
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assert.soon( function() {
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rm = ismaster( r );
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assert( rm == 1 || rm == -3, "rm value invalid" );
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return ( rm == -3 );
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} );
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// reconnect
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startMongoProgram( "mongobridge", "--port", lpPort, "--dest", "localhost:" + lPort );
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startMongoProgram( "mongobridge", "--port", rpPort, "--dest", "localhost:" + rPort );
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// no arbiter yet, to ensure r becomes master.
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == -3 || lm == 0, "lm value invalid" );
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assert( rm == -3 || rm == 1, "rm value invalid" );
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return ( lm == 0 && rm == 1 );
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} );
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startMongoProgram( "mongobridge", "--port", alPort, "--dest", "localhost:" + aPort );
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startMongoProgram( "mongobridge", "--port", arPort, "--dest", "localhost:" + aPort );
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// disconnect r ( master )
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stopMongoProgram( arPort );
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stopMongoProgram( lpPort );
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stopMongoProgram( rpPort );
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == 0 || lm == 1, "lm value invalid" );
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assert( rm == 1 || rm == -3, "rm value invalid" );
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return ( rm == -3 && lm == 1 );
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} );
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// disconnect l ( new master )
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stopMongoProgram( alPort );
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assert.soon( function() {
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lm = ismaster( l );
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assert( lm == 1 || lm == -3, "lm value invalid" );
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return ( lm == -3 );
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} );
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// reconnect
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startMongoProgram( "mongobridge", "--port", lpPort, "--dest", "localhost:" + lPort );
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startMongoProgram( "mongobridge", "--port", rpPort, "--dest", "localhost:" + rPort );
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// no arbiter yet, to ensure r becomes master.
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == -3 || lm == 0, "lm value invalid" );
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assert( rm == -3 || rm == 1, "rm value invalid" );
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return ( lm == 0 && rm == 1 );
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} );
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startMongoProgram( "mongobridge", "--port", alPort, "--dest", "localhost:" + aPort );
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startMongoProgram( "mongobridge", "--port", arPort, "--dest", "localhost:" + aPort );
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// disconnect l ( slave )
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stopMongoProgram( alPort );
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stopMongoProgram( lpPort );
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stopMongoProgram( rpPort );
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == 0 || lm == -3, "lm value invalid" );
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assert( rm == 1, "rm value invalid" );
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return ( lm == -3 );
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} );
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// reconnect l
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startMongoProgram( "mongobridge", "--port", alPort, "--dest", "localhost:" + aPort );
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startMongoProgram( "mongobridge", "--port", lpPort, "--dest", "localhost:" + lPort );
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startMongoProgram( "mongobridge", "--port", rpPort, "--dest", "localhost:" + rPort );
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == 0 || lm == -3, "lm value invalid" );
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assert( rm == 1, "rm value invalid" );
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return ( lm == 0 );
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} );
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// disconnect r ( master )
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stopMongoProgram( arPort );
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stopMongoProgram( lpPort );
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stopMongoProgram( rpPort );
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == 0 || lm == 1, "lm value invalid" );
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assert( rm == 1 || rm == -3, "rm value invalid" );
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return ( rm == -3 && lm == 1 );
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} );
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// reconnect r, without arbiter to prevent r becoming master.
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startMongoProgram( "mongobridge", "--port", lpPort, "--dest", "localhost:" + lPort );
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startMongoProgram( "mongobridge", "--port", rpPort, "--dest", "localhost:" + rPort );
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( rm == 0 || rm == -3, "rm value invalid" );
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assert( lm == 1, "lm value invalid" );
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return ( rm == 0 );
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} );
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ports.forEach( function( x ) { stopMongoProgram( x ); } );
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}
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// this time don't start connected
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doTest2 = function() {
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ports = allocatePorts( 7 );
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aPort = ports[ 0 ];
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alPort = ports[ 1 ];
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arPort = ports[ 2 ];
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lPort = ports[ 3 ];
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lpPort = ports[ 4 ];
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rPort = ports[ 5 ];
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rpPort = ports[ 6 ];
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a = startMongod( "--port", aPort, "--dbpath", "/data/db/" + baseName + "-arbiter", "--nohttpinterface" );
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l = startMongod( "--port", lPort, "--dbpath", "/data/db/" + baseName + "-left", "--pairwith", "127.0.0.1:" + rpPort, "127.0.0.1:" + alPort, "--oplogSize", "1", "--nohttpinterface" );
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r = startMongod( "--port", rPort, "--dbpath", "/data/db/" + baseName + "-right", "--pairwith", "127.0.0.1:" + lpPort, "127.0.0.1:" + arPort, "--oplogSize", "1", "--nohttpinterface" );
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == -1 || lm == -3, "lm value invalid" );
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assert( rm == -1 || rm == -3, "rm value invalid" );
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return ( lm == -3 && rm == -3 );
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} );
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startMongoProgram( "mongobridge", "--port", arPort, "--dest", "localhost:" + aPort );
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// there hasn't been an initial sync, no no node will become master
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for( i = 0; i < 10; ++i ) {
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assert( ismaster( l ) == -3 && ismaster( r ) == -3 );
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sleep( 500 );
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}
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stopMongoProgram( arPort );
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startMongoProgram( "mongobridge", "--port", alPort, "--dest", "localhost:" + aPort );
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for( i = 0; i < 10; ++i ) {
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assert( ismaster( l ) == -3 && ismaster( r ) == -3 );
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sleep( 500 );
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}
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stopMongoProgram( alPort );
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// connect l and r without a
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startMongoProgram( "mongobridge", "--port", lpPort, "--dest", "localhost:" + lPort );
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startMongoProgram( "mongobridge", "--port", rpPort, "--dest", "localhost:" + rPort );
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == 0 || lm == -3, "lm value invalid" );
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assert( rm == 1 || rm == -3 || rm == 0, "rm value invalid" );
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return ( lm == 0 && rm == 1 );
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} );
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ports.forEach( function( x ) { stopMongoProgram( x ); } );
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}
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// recover from master - master setup
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doTest3 = function() {
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ports = allocatePorts( 7 );
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aPort = ports[ 0 ];
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alPort = ports[ 1 ];
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arPort = ports[ 2 ];
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lPort = ports[ 3 ];
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lpPort = ports[ 4 ];
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rPort = ports[ 5 ];
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rpPort = ports[ 6 ];
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connect();
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a = startMongod( "--port", aPort, "--dbpath", "/data/db/" + baseName + "-arbiter", "--nohttpinterface" );
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l = startMongod( "--port", lPort, "--dbpath", "/data/db/" + baseName + "-left", "--pairwith", "127.0.0.1:" + rpPort, "127.0.0.1:" + alPort, "--oplogSize", "1", "--nohttpinterface" );
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r = startMongod( "--port", rPort, "--dbpath", "/data/db/" + baseName + "-right", "--pairwith", "127.0.0.1:" + lpPort, "127.0.0.1:" + arPort, "--oplogSize", "1", "--nohttpinterface" );
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// start normally
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == -1 || lm == 0, "lm value invalid" );
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assert( rm == -1 || rm == 0 || rm == 1, "rm value invalid" );
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return ( lm == 0 && rm == 1 );
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} );
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stopMongoProgram( lpPort );
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stopMongoProgram( rpPort );
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// now each can only talk to arbiter
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == 1 || lm == 0, "lm value invalid" );
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assert( rm == 1, "rm value invalid" );
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return ( lm == 1 && rm == 1 );
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} );
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startMongoProgram( "mongobridge", "--port", lpPort, "--dest", "localhost:" + lPort );
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startMongoProgram( "mongobridge", "--port", rpPort, "--dest", "localhost:" + rPort );
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// recover
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assert.soon( function() {
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lm = ismaster( l );
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rm = ismaster( r );
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assert( lm == 1 || lm == 0, "lm value invalid" );
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assert( rm == 1, "rm value invalid" );
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return ( lm == 0 && rm == 1 );
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} );
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ports.forEach( function( x ) { stopMongoProgram( x ); } );
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}
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doTest1();
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doTest2();
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doTest3();
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