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mirror of https://github.com/mongodb/mongo.git synced 2024-11-30 17:10:48 +01:00
mongodb/shell/servers.js

609 lines
17 KiB
JavaScript

_parsePath = function() {
var dbpath = "";
for( var i = 0; i < arguments.length; ++i )
if ( arguments[ i ] == "--dbpath" )
dbpath = arguments[ i + 1 ];
if ( dbpath == "" )
throw "No dbpath specified";
return dbpath;
}
_parsePort = function() {
var port = "";
for( var i = 0; i < arguments.length; ++i )
if ( arguments[ i ] == "--port" )
port = arguments[ i + 1 ];
if ( port == "" )
throw "No port specified";
return port;
}
createMongoArgs = function( binaryName , args ){
var fullArgs = [ binaryName ];
if ( args.length == 1 && isObject( args[0] ) ){
var o = args[0];
for ( var k in o ){
if ( k == "v" && isNumber( o[k] ) ){
var n = o[k];
if ( n > 0 ){
var temp = "-";
while ( n-- > 0 ) temp += "v";
fullArgs.push( temp );
}
}
else {
fullArgs.push( "--" + k );
if ( o[k] != "" )
fullArgs.push( "" + o[k] );
}
}
}
else {
for ( var i=0; i<args.length; i++ )
fullArgs.push( args[i] )
}
return fullArgs;
}
// Start a mongod instance and return a 'Mongo' object connected to it.
// This function's arguments are passed as command line arguments to mongod.
// The specified 'dbpath' is cleared if it exists, created if not.
startMongod = function(){
var args = createMongoArgs( "mongod" , arguments );
var dbpath = _parsePath.apply( null, args );
resetDbpath( dbpath );
return startMongoProgram.apply( null, args );
}
startMongos = function(){
return startMongoProgram.apply( null, createMongoArgs( "mongos" , arguments ) );
}
// Start a mongo program instance (generally mongod or mongos) and return a
// 'Mongo' object connected to it. This function's first argument is the
// program name, and subsequent arguments to this function are passed as
// command line arguments to the program.
startMongoProgram = function(){
var port = _parsePort.apply( null, arguments );
_startMongoProgram.apply( null, arguments );
var m;
assert.soon
( function() {
try {
m = new Mongo( "127.0.0.1:" + port );
return true;
} catch( e ) {
}
return false;
}, "unable to connect to mongo program on port " + port, 30000 );
return m;
}
// Start a mongo program instance. This function's first argument is the
// program name, and subsequent arguments to this function are passed as
// command line arguments to the program. Returns pid of the spawned program.
startMongoProgramNoConnect = function() {
return _startMongoProgram.apply( null, arguments );
}
myPort = function() {
var m = db.getMongo();
if ( m.host.match( /:/ ) )
return m.host.match( /:(.*)/ )[ 1 ];
else
return 27017;
}
ShardingTest = function( testName , numServers , verboseLevel , numMongos ){
this._connections = [];
this._serverNames = [];
for ( var i=0; i<numServers; i++){
var conn = startMongod( { port : 30000 + i , dbpath : "/data/db/" + testName + i ,
noprealloc : "" , smallfiles : "" , oplogSize : "2" } );
conn.name = "localhost:" + ( 30000 + i );
this._connections.push( conn );
this._serverNames.push( conn.name );
}
this._configDB = "localhost:30000";
this._mongos = [];
var startMongosPort = 39999;
for ( var i=0; i<(numMongos||1); i++ ){
var myPort = startMongosPort - i;
var conn = startMongos( { port : startMongosPort - i , v : verboseLevel || 0 , configdb : this._configDB } );
conn.name = "localhost:" + myPort;
this._mongos.push( conn );
if ( i == 0 )
this.s = conn;
}
var admin = this.admin = this.s.getDB( "admin" );
this.config = this.s.getDB( "config" );
this._serverNames.forEach(
function(z){
admin.runCommand( { addshard : z , allowLocal : true } );
}
);
}
ShardingTest.prototype.getDB = function( name ){
return this.s.getDB( name );
}
ShardingTest.prototype.getServerName = function( dbname ){
return this.config.databases.findOne( { name : dbname } ).primary;
}
ShardingTest.prototype.getServer = function( dbname ){
var name = this.getServerName( dbname );
for ( var i=0; i<this._serverNames.length; i++ ){
if ( name == this._serverNames[i] )
return this._connections[i];
}
throw "can't find server for: " + dbname + " name:" + name;
}
ShardingTest.prototype.getOther = function( one ){
if ( this._connections.length != 2 )
throw "getOther only works with 2 servers";
if ( this._connections[0] == one )
return this._connections[1];
return this._connections[0];
}
ShardingTest.prototype.stop = function(){
for ( var i=0; i<this._mongos.length; i++ ){
stopMongoProgram( 39999 - i );
}
for ( var i=0; i<this._connections.length; i++){
stopMongod( 30000 + i );
}
}
ShardingTest.prototype.adminCommand = function(cmd){
var res = this.admin.runCommand( cmd );
if ( res && res.ok == 1 )
return true;
throw "command " + tojson( cmd ) + " failed: " + tojson( res );
}
ShardingTest.prototype.getChunksString = function( ns ){
var q = {}
if ( ns )
q.ns = ns;
return Array.tojson( this.config.chunks.find( q ).toArray() , "\n" );
}
ShardingTest.prototype.printChunks = function( ns ){
print( this.getChunksString( ns ) );
}
ShardingTest.prototype.printShardingStatus = function(){
printShardingStatus( this.config );
}
ShardingTest.prototype.printCollectionInfo = function( ns , msg ){
var out = "";
if ( msg )
out += msg + "\n";
out += "sharding collection info: " + ns + "\n";
for ( var i=0; i<this._connections.length; i++ ){
var c = this._connections[i];
out += " mongod " + c + " " + tojson( c.getCollection( ns ).getShardVersion() , " " , true ) + "\n";
}
for ( var i=0; i<this._mongos.length; i++ ){
var c = this._mongos[i];
out += " mongos " + c + " " + tojson( c.getCollection( ns ).getShardVersion() , " " , true ) + "\n";
}
print( out );
}
printShardingStatus = function( configDB ){
var version = configDB.getCollection( "version" ).findOne();
if ( version == null ){
print( "not a shard db!" );
return;
}
var raw = "";
var output = function(s){
raw += s + "\n";
}
output( "--- Sharding Status --- " );
output( " sharding version: " + tojson( configDB.getCollection( "version" ).findOne() ) );
output( " shards:" );
configDB.shards.find().forEach(
function(z){
output( " " + tojson(z) );
}
);
output( " databases:" );
configDB.databases.find().sort( { name : 1 } ).forEach(
function(z){
output( "\t" + tojson(z,"",true) );
output( "\t\tmy chunks" );
configDB.chunks.find( { "ns" : new RegExp( "^" + z.name ) } ).sort( { ns : 1 } ).forEach(
function(z){
output( "\t\t\t" + z.ns + " " + tojson( z.min ) + " -->> " + tojson( z.max ) +
" on : " + z.shard + " " + tojson( z.lastmod ) );
}
);
}
);
print( raw );
}
ShardingTest.prototype.sync = function(){
this.adminCommand( "connpoolsync" );
}
ShardingTest.prototype.onNumShards = function( collName , dbName ){
this.sync(); // we should sync since we're going directly to mongod here
dbName = dbName || "test";
var num=0;
for ( var i=0; i<this._connections.length; i++ )
if ( this._connections[i].getDB( dbName ).getCollection( collName ).count() > 0 )
num++;
return num;
}
ShardingTest.prototype.shardGo = function( collName , key , split , move , dbName ){
split = split || key;
move = move || split;
dbName = dbName || "test";
var c = dbName + "." + collName;
s.adminCommand( { shardcollection : c , key : key } );
s.adminCommand( { split : c , middle : split } );
s.adminCommand( { movechunk : c , find : move , to : this.getOther( s.getServer( dbName ) ).name } );
}
MongodRunner = function( port, dbpath, peer, arbiter, extraArgs ) {
this.port_ = port;
this.dbpath_ = dbpath;
this.peer_ = peer;
this.arbiter_ = arbiter;
this.extraArgs_ = extraArgs;
}
MongodRunner.prototype.start = function( reuseData ) {
var args = [];
if ( reuseData ) {
args.push( "mongod" );
}
args.push( "--port" );
args.push( this.port_ );
args.push( "--dbpath" );
args.push( this.dbpath_ );
if ( this.peer_ && this.arbiter_ ) {
args.push( "--pairwith" );
args.push( this.peer_ );
args.push( "--arbiter" );
args.push( this.arbiter_ );
args.push( "--oplogSize" );
// small oplog by default so startup fast
args.push( "1" );
}
args.push( "--nohttpinterface" );
args.push( "--noprealloc" );
args.push( "--smallfiles" );
args.push( "--bind_ip" );
args.push( "127.0.0.1" );
if ( this.extraArgs_ ) {
args = args.concat( this.extraArgs_ );
}
if ( reuseData ) {
return startMongoProgram.apply( null, args );
} else {
return startMongod.apply( null, args );
}
}
MongodRunner.prototype.port = function() { return this.port_; }
MongodRunner.prototype.toString = function() { return [ this.port_, this.dbpath_, this.peer_, this.arbiter_ ].toString(); }
ReplPair = function( left, right, arbiter ) {
this.left_ = left;
this.leftC_ = null;
this.right_ = right;
this.rightC_ = null;
this.arbiter_ = arbiter;
this.arbiterC_ = null;
this.master_ = null;
this.slave_ = null;
}
ReplPair.prototype.start = function( reuseData ) {
if ( this.arbiterC_ == null ) {
this.arbiterC_ = this.arbiter_.start();
}
if ( this.leftC_ == null ) {
this.leftC_ = this.left_.start( reuseData );
}
if ( this.rightC_ == null ) {
this.rightC_ = this.right_.start( reuseData );
}
}
ReplPair.prototype.isMaster = function( mongo, debug ) {
var im = mongo.getDB( "admin" ).runCommand( { ismaster : 1 } );
assert( im && im.ok, "command ismaster failed" );
if ( debug ) {
printjson( im );
}
return im.ismaster;
}
ReplPair.prototype.isInitialSyncComplete = function( mongo, debug ) {
var isc = mongo.getDB( "admin" ).runCommand( { isinitialsynccomplete : 1 } );
assert( isc && isc.ok, "command isinitialsynccomplete failed" );
if ( debug ) {
printjson( isc );
}
return isc.initialsynccomplete;
}
ReplPair.prototype.checkSteadyState = function( state, expectedMasterHost, twoMasterOk, leftValues, rightValues, debug ) {
leftValues = leftValues || {};
rightValues = rightValues || {};
var lm = null;
var lisc = null;
if ( this.leftC_ != null ) {
lm = this.isMaster( this.leftC_, debug );
leftValues[ lm ] = true;
lisc = this.isInitialSyncComplete( this.leftC_, debug );
}
var rm = null;
var risc = null;
if ( this.rightC_ != null ) {
rm = this.isMaster( this.rightC_, debug );
rightValues[ rm ] = true;
risc = this.isInitialSyncComplete( this.rightC_, debug );
}
var stateSet = {}
state.forEach( function( i ) { stateSet[ i ] = true; } );
if ( !( 1 in stateSet ) || ( ( risc || risc == null ) && ( lisc || lisc == null ) ) ) {
if ( rm == 1 && lm != 1 ) {
assert( twoMasterOk || !( 1 in leftValues ) );
this.master_ = this.rightC_;
this.slave_ = this.leftC_;
} else if ( lm == 1 && rm != 1 ) {
assert( twoMasterOk || !( 1 in rightValues ) );
this.master_ = this.leftC_;
this.slave_ = this.rightC_;
}
if ( !twoMasterOk ) {
assert( lm != 1 || rm != 1, "two masters" );
}
// check for expected state
if ( state.sort().toString() == [ lm, rm ].sort().toString() ) {
if ( expectedMasterHost != null ) {
if( expectedMasterHost == this.master_.host ) {
return true;
}
} else {
return true;
}
}
}
this.master_ = null;
this.slave_ = null;
return false;
}
ReplPair.prototype.waitForSteadyState = function( state, expectedMasterHost, twoMasterOk, debug ) {
state = state || [ 1, 0 ];
twoMasterOk = twoMasterOk || false;
var rp = this;
var leftValues = {};
var rightValues = {};
assert.soon( function() { return rp.checkSteadyState( state, expectedMasterHost, twoMasterOk, leftValues, rightValues, debug ); },
"rp (" + rp + ") failed to reach expected steady state (" + state + ")" );
}
ReplPair.prototype.master = function() { return this.master_; }
ReplPair.prototype.slave = function() { return this.slave_; }
ReplPair.prototype.right = function() { return this.rightC_; }
ReplPair.prototype.left = function() { return this.leftC_; }
ReplPair.prototype.arbiter = function() { return this.arbiterC_; }
ReplPair.prototype.killNode = function( mongo, signal ) {
signal = signal || 15;
if ( this.leftC_ != null && this.leftC_.host == mongo.host ) {
stopMongod( this.left_.port_ );
this.leftC_ = null;
}
if ( this.rightC_ != null && this.rightC_.host == mongo.host ) {
stopMongod( this.right_.port_ );
this.rightC_ = null;
}
if ( this.arbiterC_ != null && this.arbiterC_.host == mongo.host ) {
stopMongod( this.arbiter_.port_ );
this.arbiterC_ = null;
}
}
ReplPair.prototype._annotatedNode = function( mongo ) {
var ret = "";
if ( mongo != null ) {
ret += " (connected)";
if ( this.master_ != null && mongo.host == this.master_.host ) {
ret += "(master)";
}
if ( this.slave_ != null && mongo.host == this.slave_.host ) {
ret += "(slave)";
}
}
return ret;
}
ReplPair.prototype.toString = function() {
var ret = "";
ret += "left: " + this.left_;
ret += " " + this._annotatedNode( this.leftC_ );
ret += " right: " + this.right_;
ret += " " + this._annotatedNode( this.rightC_ );
return ret;
}
ToolTest = function( name ){
this.name = name;
this.port = allocatePorts(1)[0];
this.baseName = "jstests_tool_" + name;
this.root = "/data/db/" + this.baseName;
this.dbpath = this.root + "/";
this.ext = this.root + "_external/";
this.extFile = this.root + "_external/a";
resetDbpath( this.dbpath );
}
ToolTest.prototype.startDB = function( coll ){
assert( ! this.m , "db already running" );
this.m = startMongoProgram( "mongod" , "--port", this.port , "--dbpath" , this.dbpath , "--nohttpinterface", "--noprealloc" , "--smallfiles" , "--bind_ip", "127.0.0.1" );
this.db = this.m.getDB( this.baseName );
if ( coll )
return this.db.getCollection( coll );
return this.db;
}
ToolTest.prototype.stop = function(){
if ( ! this.m )
return;
stopMongod( this.port );
this.m = null;
this.db = null;
}
ToolTest.prototype.runTool = function(){
var a = [ "mongo" + arguments[0] ];
var hasdbpath = false;
for ( var i=1; i<arguments.length; i++ ){
a.push( arguments[i] );
if ( arguments[i] == "--dbpath" )
hasdbpath = true;
}
if ( ! hasdbpath ){
a.push( "--host" );
a.push( "127.0.0.1:" + this.port );
}
runMongoProgram.apply( null , a );
}
ReplTest = function( name, ports ){
this.name = name;
this.ports = ports || allocatePorts( 2 );
}
ReplTest.prototype.getPort = function( master ){
if ( master )
return this.ports[ 0 ];
return this.ports[ 1 ]
}
ReplTest.prototype.getPath = function( master ){
var p = "/data/db/" + this.name + "-";
if ( master )
p += "master";
else
p += "slave"
return p;
}
ReplTest.prototype.getOptions = function( master , extra , putBinaryFirst ){
if ( ! extra )
extra = {};
if ( ! extra.oplogSize )
extra.oplogSize = "1";
var a = []
if ( putBinaryFirst )
a.push( "mongod" )
a.push( "--nohttpinterface", "--noprealloc", "--bind_ip" , "127.0.0.1" , "--smallfiles" );
a.push( "--port" );
a.push( this.getPort( master ) );
a.push( "--dbpath" );
a.push( this.getPath( master ) );
if ( master ){
a.push( "--master" );
}
else {
a.push( "--slave" );
a.push( "--source" );
a.push( "127.0.0.1:" + this.ports[0] );
}
for ( var k in extra ){
var v = extra[k];
a.push( "--" + k );
if ( v != null )
a.push( v );
}
return a;
}
ReplTest.prototype.start = function( master , options , restart ){
var o = this.getOptions( master , options , restart );
if ( restart )
return startMongoProgram.apply( null , o );
else
return startMongod.apply( null , o );
}
ReplTest.prototype.stop = function( master , signal ){
if ( arguments.length == 0 ){
this.stop( true );
this.stop( false );
return;
}
stopMongod( this.getPort( master ) , signal || 15 );
}