bool Cloner::finishCloneCollection( const char *fromhost, const char *ns, const BSONObj &query, long long cursorId, string &errmsg ) {
char db[256];
nsToClient( ns, db );
auto_ptr< DBClientCursor > cur;
{
dbtemprelease r;
auto_ptr< DBClientConnection > c( new DBClientConnection() );
if ( !c->connect( fromhost, errmsg ) )
return false;
if( !replAuthenticate(c.get()) )
return false;
conn = c;
string logNS = "local.temp.oplog." + string( ns );
if ( cursorId != 0 )
cur = conn->getMore( logNS.c_str(), cursorId );
else
cur = conn->query( logNS.c_str(), Query() );
}
replayOpLog( cur.get(), query );
{
dbtemprelease t;
BSONObj info;
if ( !conn->runCommand( db, BSON( "logCollection" << ns << "validateComplete" << 1 ), info ) ) {
errmsg = "logCollection failed: " + (string)info;
return false;
}
}
return true;
}
bool SyncSourceFeedback::_connect(const std::string& hostName) {
if (hasConnection()) {
return true;
}
log() << "replset setting syncSourceFeedback to " << hostName << rsLog;
_connection.reset(new DBClientConnection(false, 0, OplogReader::tcp_timeout));
string errmsg;
try {
if (!_connection->connect(hostName.c_str(), errmsg) ||
(getGlobalAuthorizationManager()->isAuthEnabled() && !replAuthenticate())) {
resetConnection();
log() << "repl: " << errmsg << endl;
return false;
}
}
catch (const DBException& e) {
log() << "Error connecting to " << hostName << ": " << e.what();
resetConnection();
return false;
}
if (!replHandshake()) {
if (!supportsUpdater()) {
return connectOplogReader(hostName);
}
return false;
}
return true;
}
bool Cloner::startCloneCollection( const char *fromhost, const char *ns, const BSONObj &query, string &errmsg, bool logForRepl, bool copyIndexes, int logSizeMb, long long &cursorId ) {
char db[256];
nsToClient( ns, db );
{
dbtemprelease r;
auto_ptr< DBClientConnection > c( new DBClientConnection() );
if ( !c->connect( fromhost, errmsg ) )
return false;
if( !replAuthenticate(c.get()) )
return false;
conn = c;
// Start temporary op log
BSONObjBuilder cmdSpec;
cmdSpec << "logCollection" << ns << "start" << 1;
if ( logSizeMb != INT_MIN )
cmdSpec << "logSizeMb" << logSizeMb;
BSONObj info;
if ( !conn->runCommand( db, cmdSpec.done(), info ) ) {
errmsg = "logCollection failed: " + (string)info;
return false;
}
}
BSONObj spec = conn->findOne( string( db ) + ".system.namespaces", BSON( "name" << ns ) );
if ( !userCreateNS( ns, spec.getObjectField( "options" ), errmsg, true ) )
return false;
copy( ns, ns, false, logForRepl, false, false, query );
if ( copyIndexes ) {
string indexNs = string( db ) + ".system.indexes";
copy( indexNs.c_str(), indexNs.c_str(), true, logForRepl, false, false, BSON( "ns" << ns << "name" << NE << "_id_" ) );
}
auto_ptr< DBClientCursor > c;
{
dbtemprelease r;
string logNS = "local.temp.oplog." + string( ns );
c = conn->query( logNS.c_str(), Query(), 0, 0, 0, Option_CursorTailable );
}
if ( c->more() ) {
replayOpLog( c.get(), query );
cursorId = c->getCursorId();
massert( "Expected valid tailing cursor", cursorId != 0 );
} else {
massert( "Did not expect valid cursor for empty query result", c->getCursorId() == 0 );
cursorId = 0;
}
c->decouple();
return true;
}
shared_ptr<DBClientConnection> makeConnection(
const char *masterHost,
string& errmsg
)
{
verify(!masterSameProcess(masterHost));
ConnectionString cs = ConnectionString::parse(masterHost, errmsg);
shared_ptr<DBClientConnection> conn(static_cast<DBClientConnection *>(cs.connect(errmsg)));
if (!replAuthenticate(conn.get())) {
errmsg = "can't authenticate replication";
conn.reset();
}
return conn;
}
bool OplogReader::commonConnect(const string& hostName) {
if( conn() == 0 ) {
_conn = shared_ptr<DBClientConnection>(new DBClientConnection(false,
0,
tcp_timeout));
string errmsg;
if ( !_conn->connect(hostName.c_str(), errmsg) ||
(AuthorizationManager::isAuthEnabled() && !replAuthenticate(_conn.get(), true)) ) {
resetConnection();
log() << "repl: " << errmsg << endl;
return false;
}
}
return true;
}
bool OplogReader::commonConnect(const string& hostName, const double default_timeout) {
if( conn() == 0 ) {
_conn = shared_ptr<DBClientConnection>(new DBClientConnection(false,
0,
default_timeout /* tcp timeout */));
string errmsg;
if ( !_conn->connect(hostName.c_str(), errmsg) ||
(!noauth && !replAuthenticate(_conn.get(), true)) ) {
resetConnection();
log() << "repl: " << errmsg << endl;
return false;
}
}
return true;
}
bool OplogReader::connect(const HostAndPort& host) {
if (conn() == NULL || _host != host) {
resetConnection();
_conn = shared_ptr<DBClientConnection>(new DBClientConnection(false, tcp_timeout));
string errmsg;
if (!_conn->connect(host, errmsg) ||
(getGlobalAuthorizationManager()->isAuthEnabled() && !replAuthenticate(_conn.get()))) {
resetConnection();
log() << "repl: " << errmsg << endl;
return false;
}
_host = host;
}
return true;
}
bool OplogReader::connect(string hostName) {
if( conn() == 0 ) {
_conn = auto_ptr<DBClientConnection>(new DBClientConnection( false, 0, 0 /* tcp timeout */));
string errmsg;
ReplInfo r("trying to connect to sync source");
if ( !_conn->connect(hostName.c_str(), errmsg) ||
(!noauth && !replAuthenticate(_conn.get())) ||
!replHandshake(_conn.get()) ) {
resetConnection();
log() << "repl: " << errmsg << endl;
return false;
}
}
return true;
}
void RollbackSourceImpl::copyCollectionFromRemote(OperationContext* opCtx,
const NamespaceString& nss) const {
std::string errmsg;
std::unique_ptr<DBClientConnection> tmpConn(new DBClientConnection());
uassert(15908,
errmsg,
tmpConn->connect(_source, StringData(), errmsg) && replAuthenticate(tmpConn.get()));
// cloner owns _conn in unique_ptr
Cloner cloner;
cloner.setConnection(tmpConn.release());
uassert(15909,
str::stream() << "replSet rollback error resyncing collection " << nss.ns() << ' '
<< errmsg,
cloner.copyCollection(opCtx, nss.ns(), BSONObj(), errmsg, true));
}
bool OplogReader::connect(const HostAndPort& host) {
if (conn() == NULL || _host != host) {
resetConnection();
_conn = shared_ptr<DBClientConnection>(
new DBClientConnection(false, durationCount<Seconds>(kSocketTimeout)));
string errmsg;
if (!_conn->connect(host, StringData(), errmsg) || !replAuthenticate(_conn.get())) {
resetConnection();
error() << errmsg << endl;
return false;
}
_conn->port().setTag(_conn->port().getTag() |
executor::NetworkInterface::kMessagingPortKeepOpen);
_host = host;
}
return true;
}
bool OplogReader::connect(const HostAndPort& host) {
if (conn() == NULL || _host != host) {
resetConnection();
_conn = shared_ptr<DBClientConnection>(
new DBClientConnection(false, durationCount<Seconds>(kSocketTimeout)));
string errmsg;
if (!_conn->connect(host, errmsg) ||
(getGlobalAuthorizationManager()->isAuthEnabled() && !replAuthenticate(_conn.get()))) {
resetConnection();
error() << errmsg << endl;
return false;
}
_conn->port().tag |= executor::NetworkInterface::kMessagingPortKeepOpen;
_host = host;
}
return true;
}
bool OplogReader::connect(const HostAndPort& host) {
if (conn() == NULL || _host != host) {
resetConnection();
_conn = std::shared_ptr<DBClientConnection>(
new DBClientConnection(false, durationCount<Seconds>(kSocketTimeout)));
std::string errmsg;
if (!_conn->connect(host, StringData(), errmsg) || !replAuthenticate(_conn.get())) {
resetConnection();
error() << errmsg;
return false;
}
_conn->setTags(transport::Session::kKeepOpen);
_host = host;
}
return true;
}
void RollbackSourceImpl::copyCollectionFromRemote(OperationContext* opCtx,
const NamespaceString& nss) const {
std::string errmsg;
auto tmpConn = stdx::make_unique<DBClientConnection>();
uassert(15908,
errmsg,
tmpConn->connect(_source, StringData(), errmsg) && replAuthenticate(tmpConn.get()));
// cloner owns _conn in unique_ptr
Cloner cloner;
cloner.setConnection(std::move(tmpConn));
uassert(15909,
str::stream() << "replSet rollback error resyncing collection " << nss.ns() << ' '
<< errmsg,
cloner.copyCollection(
opCtx, nss.ns(), BSONObj(), errmsg, true, CollectionOptions::parseForStorage));
}
bool SyncSourceFeedback::_connect(const std::string& hostName) {
if (hasConnection()) {
return true;
}
_connection.reset(new DBClientConnection(false, 0, OplogReader::tcp_timeout));
string errmsg;
if (!_connection->connect(hostName.c_str(), errmsg) ||
(AuthorizationManager::isAuthEnabled() && !replAuthenticate(true))) {
resetConnection();
log() << "repl: " << errmsg << endl;
return false;
}
if (!replHandshake()) {
if (!supportsUpdater()) {
return connectOplogReader(hostName);
}
return false;
}
return true;
}
bool SyncSourceFeedback::_connect(OperationContext* txn, const HostAndPort& host) {
if (hasConnection()) {
return true;
}
log() << "replset setting syncSourceFeedback to " << host.toString() << rsLog;
_connection.reset(new DBClientConnection(false, 0, OplogReader::tcp_timeout));
string errmsg;
try {
if (!_connection->connect(host, errmsg) ||
(getGlobalAuthorizationManager()->isAuthEnabled() && !replAuthenticate())) {
_resetConnection();
log() << "repl: " << errmsg << endl;
return false;
}
}
catch (const DBException& e) {
log() << "Error connecting to " << host.toString() << ": " << e.what();
_resetConnection();
return false;
}
return hasConnection();
}
void appendReplicationInfo(OperationContext* txn, BSONObjBuilder& result, int level) {
ReplicationCoordinator* replCoord = getGlobalReplicationCoordinator();
if (replCoord->getSettings().usingReplSets()) {
if (replCoord->getReplicationMode() != ReplicationCoordinator::modeReplSet
|| replCoord->getCurrentMemberState().shunned()) {
result.append("ismaster", false);
result.append("secondary", false);
result.append("info", ReplSet::startupStatusMsg.get());
result.append( "isreplicaset" , true );
}
else {
theReplSet->fillIsMaster(result);
}
return;
}
if ( replAllDead ) {
result.append("ismaster", 0);
string s = string("dead: ") + replAllDead;
result.append("info", s);
}
else {
result.appendBool("ismaster",
getGlobalReplicationCoordinator()->isMasterForReportingPurposes());
}
if (level && replCoord->getSettings().usingReplSets()) {
result.append( "info" , "is replica set" );
}
else if ( level ) {
BSONObjBuilder sources( result.subarrayStart( "sources" ) );
int n = 0;
list<BSONObj> src;
{
const char* localSources = "local.sources";
Client::ReadContext ctx(txn, localSources);
auto_ptr<PlanExecutor> exec(
InternalPlanner::collectionScan(txn,
localSources,
ctx.ctx().db()->getCollection(txn,
localSources)));
BSONObj obj;
Runner::RunnerState state;
while (Runner::RUNNER_ADVANCED == (state = exec->getNext(&obj, NULL))) {
src.push_back(obj);
}
}
for( list<BSONObj>::const_iterator i = src.begin(); i != src.end(); i++ ) {
BSONObj s = *i;
BSONObjBuilder bb;
bb.append( s["host"] );
string sourcename = s["source"].valuestr();
if ( sourcename != "main" )
bb.append( s["source"] );
{
BSONElement e = s["syncedTo"];
BSONObjBuilder t( bb.subobjStart( "syncedTo" ) );
t.appendDate( "time" , e.timestampTime() );
t.append( "inc" , e.timestampInc() );
t.done();
}
if ( level > 1 ) {
wassert(txn->lockState()->threadState() == 0);
// note: there is no so-style timeout on this connection; perhaps we should have one.
ScopedDbConnection conn(s["host"].valuestr());
DBClientConnection *cliConn = dynamic_cast< DBClientConnection* >( &conn.conn() );
if ( cliConn && replAuthenticate(cliConn) ) {
BSONObj first = conn->findOne( (string)"local.oplog.$" + sourcename,
Query().sort( BSON( "$natural" << 1 ) ) );
BSONObj last = conn->findOne( (string)"local.oplog.$" + sourcename,
Query().sort( BSON( "$natural" << -1 ) ) );
bb.appendDate( "masterFirst" , first["ts"].timestampTime() );
bb.appendDate( "masterLast" , last["ts"].timestampTime() );
double lag = (double) (last["ts"].timestampTime() - s["syncedTo"].timestampTime());
bb.append( "lagSeconds" , lag / 1000 );
}
conn.done();
}
sources.append( BSONObjBuilder::numStr( n++ ) , bb.obj() );
}
sources.done();
}
}
bool Cloner::startCloneCollection( const char *fromhost, const char *ns, const BSONObj &query, string &errmsg, bool logForRepl, bool copyIndexes, int logSizeMb, long long &cursorId ) {
char db[256];
nsToClient( ns, db );
NamespaceDetails *nsd = nsdetails( ns );
if ( nsd ){
/** note: its ok to clone into a collection, but only if the range you're copying
doesn't exist on this server */
string err;
if ( runCount( ns , BSON( "query" << query ) , err ) > 0 ){
log() << "WARNING: data already exists for: " << ns << " in range : " << query << " deleting..." << endl;
deleteObjects( ns , query , false , logForRepl , false );
}
}
{
dbtemprelease r;
auto_ptr< DBClientConnection > c( new DBClientConnection() );
if ( !c->connect( fromhost, errmsg ) )
return false;
if( !replAuthenticate(c.get()) )
return false;
conn = c;
// Start temporary op log
BSONObjBuilder cmdSpec;
cmdSpec << "logCollection" << ns << "start" << 1;
if ( logSizeMb != INT_MIN )
cmdSpec << "logSizeMb" << logSizeMb;
BSONObj info;
if ( !conn->runCommand( db, cmdSpec.done(), info ) ) {
errmsg = "logCollection failed: " + (string)info;
return false;
}
}
if ( ! nsd ) {
BSONObj spec = conn->findOne( string( db ) + ".system.namespaces", BSON( "name" << ns ) );
if ( !userCreateNS( ns, spec.getObjectField( "options" ), errmsg, true ) )
return false;
}
copy( ns, ns, false, logForRepl, false, false, query );
if ( copyIndexes ) {
string indexNs = string( db ) + ".system.indexes";
copy( indexNs.c_str(), indexNs.c_str(), true, logForRepl, false, false, BSON( "ns" << ns << "name" << NE << "_id_" ) );
}
auto_ptr< DBClientCursor > c;
{
dbtemprelease r;
string logNS = "local.temp.oplog." + string( ns );
c = conn->query( logNS.c_str(), Query(), 0, 0, 0, Option_CursorTailable );
}
if ( c->more() ) {
replayOpLog( c.get(), query );
cursorId = c->getCursorId();
massert( "Expected valid tailing cursor", cursorId != 0 );
} else {
massert( "Did not expect valid cursor for empty query result", c->getCursorId() == 0 );
cursorId = 0;
}
c->decouple();
return true;
}
bool Cloner::go(const char *masterHost, string& errmsg, const string& fromdb, bool logForRepl, bool slaveOk, bool useReplAuth, bool snapshot) {
massert( "useReplAuth is not written to replication log", !useReplAuth || !logForRepl );
string todb = cc().database()->name;
stringstream a,b;
a << "localhost:" << cmdLine.port;
b << "127.0.0.1:" << cmdLine.port;
bool masterSameProcess = ( a.str() == masterHost || b.str() == masterHost );
if ( masterSameProcess ) {
if ( fromdb == todb && cc().database()->path == dbpath ) {
// guard against an "infinite" loop
/* if you are replicating, the local.sources config may be wrong if you get this */
errmsg = "can't clone from self (localhost).";
return false;
}
}
/* todo: we can put these releases inside dbclient or a dbclient specialization.
or just wait until we get rid of global lock anyway.
*/
string ns = fromdb + ".system.namespaces";
list<BSONObj> toClone;
{
dbtemprelease r;
auto_ptr<DBClientCursor> c;
{
if ( !masterSameProcess ) {
auto_ptr< DBClientConnection > c( new DBClientConnection() );
if ( !c->connect( masterHost, errmsg ) )
return false;
if( !replAuthenticate(c.get()) )
return false;
conn = c;
} else {
conn.reset( new DBDirectClient() );
}
c = conn->query( ns.c_str(), BSONObj(), 0, 0, 0, slaveOk ? Option_SlaveOk : 0 );
}
if ( c.get() == 0 ) {
errmsg = "query failed " + ns;
return false;
}
while ( c->more() ){
BSONObj collection = c->next();
log(2) << "\t cloner got " << collection << endl;
BSONElement e = collection.findElement("name");
if ( e.eoo() ) {
string s = "bad system.namespaces object " + collection.toString();
massert(s.c_str(), false);
}
assert( !e.eoo() );
assert( e.type() == String );
const char *from_name = e.valuestr();
if( strstr(from_name, ".system.") ) {
/* system.users is cloned -- but nothing else from system. */
if( legalClientSystemNS( from_name , true ) == 0 ){
log(2) << "\t\t not cloning because system collection" << endl;
continue;
}
}
else if( strchr(from_name, '$') ) {
// don't clone index namespaces -- we take care of those separately below.
log(2) << "\t\t not cloning because has $ " << endl;
continue;
}
toClone.push_back( collection.getOwned() );
}
}
for ( list<BSONObj>::iterator i=toClone.begin(); i != toClone.end(); i++ ){
{
dbtemprelease r;
}
BSONObj collection = *i;
log(2) << " really will clone: " << collection << endl;
const char * from_name = collection["name"].valuestr();
BSONObj options = collection.getObjectField("options");
/* change name "<fromdb>.collection" -> <todb>.collection */
const char *p = strchr(from_name, '.');
assert(p);
string to_name = todb + p;
{
string err;
const char *toname = to_name.c_str();
userCreateNS(toname, options, err, logForRepl);
}
log(1) << "\t\t cloning " << from_name << " -> " << to_name << endl;
Query q;
if( snapshot )
q.snapshot();
copy(from_name, to_name.c_str(), false, logForRepl, masterSameProcess, slaveOk, q);
}
// now build the indexes
string system_indexes_from = fromdb + ".system.indexes";
string system_indexes_to = todb + ".system.indexes";
/* [dm]: is the ID index sometimes not called "_id_"? There is other code in the system that looks for a "_id" prefix
rather than this exact value. we should standardize. OR, remove names - which is in the bugdb. Anyway, this
is dubious here at the moment.
*/
copy(system_indexes_from.c_str(), system_indexes_to.c_str(), true, logForRepl, masterSameProcess, slaveOk, BSON( "name" << NE << "_id_" ) );
return true;
}
void appendReplicationInfo(OperationContext* opCtx, BSONObjBuilder& result, int level) {
ReplicationCoordinator* replCoord = ReplicationCoordinator::get(opCtx);
if (replCoord->getSettings().usingReplSets()) {
IsMasterResponse isMasterResponse;
replCoord->fillIsMasterForReplSet(&isMasterResponse);
result.appendElements(isMasterResponse.toBSON());
if (level) {
replCoord->appendSlaveInfoData(&result);
}
return;
}
result.appendBool("ismaster",
ReplicationCoordinator::get(opCtx)->isMasterForReportingPurposes());
if (level) {
BSONObjBuilder sources(result.subarrayStart("sources"));
int n = 0;
list<BSONObj> src;
{
const NamespaceString localSources{"local.sources"};
AutoGetCollectionForReadCommand ctx(opCtx, localSources);
auto exec = InternalPlanner::collectionScan(
opCtx, localSources.ns(), ctx.getCollection(), PlanExecutor::NO_YIELD);
BSONObj obj;
PlanExecutor::ExecState state;
while (PlanExecutor::ADVANCED == (state = exec->getNext(&obj, NULL))) {
src.push_back(obj.getOwned());
}
// Non-yielding collection scans from InternalPlanner will never error.
invariant(PlanExecutor::IS_EOF == state);
}
for (list<BSONObj>::const_iterator i = src.begin(); i != src.end(); i++) {
BSONObj s = *i;
BSONObjBuilder bb;
bb.append(s["host"]);
string sourcename = s["source"].valuestr();
if (sourcename != "main")
bb.append(s["source"]);
{
BSONElement e = s["syncedTo"];
BSONObjBuilder t(bb.subobjStart("syncedTo"));
t.appendDate("time", e.timestampTime());
t.append("inc", e.timestampInc());
t.done();
}
if (level > 1) {
invariant(!opCtx->lockState()->isLocked());
// note: there is no so-style timeout on this connection; perhaps we should have
// one.
ScopedDbConnection conn(s["host"].valuestr());
DBClientConnection* cliConn = dynamic_cast<DBClientConnection*>(&conn.conn());
if (cliConn && replAuthenticate(cliConn)) {
BSONObj first = conn->findOne((string) "local.oplog.$" + sourcename,
Query().sort(BSON("$natural" << 1)));
BSONObj last = conn->findOne((string) "local.oplog.$" + sourcename,
Query().sort(BSON("$natural" << -1)));
bb.appendDate("masterFirst", first["ts"].timestampTime());
bb.appendDate("masterLast", last["ts"].timestampTime());
const auto lag = (last["ts"].timestampTime() - s["syncedTo"].timestampTime());
bb.append("lagSeconds", durationCount<Milliseconds>(lag) / 1000.0);
}
conn.done();
}
sources.append(BSONObjBuilder::numStr(n++), bb.obj());
}
sources.done();
replCoord->appendSlaveInfoData(&result);
}
}
bool Cloner::go(const char *masterHost, string& errmsg, const string& fromdb, bool logForRepl, bool slaveOk, bool useReplAuth) {
massert( "useReplAuth is not written to replication log", !useReplAuth || !logForRepl );
string todb = database->name;
stringstream a,b;
a << "localhost:" << port;
b << "127.0.0.1:" << port;
bool masterSameProcess = ( a.str() == masterHost || b.str() == masterHost );
if ( masterSameProcess ) {
if ( fromdb == todb && database->path == dbpath ) {
// guard against an "infinite" loop
/* if you are replicating, the local.sources config may be wrong if you get this */
errmsg = "can't clone from self (localhost).";
return false;
}
}
/* todo: we can put thesee releases inside dbclient or a dbclient specialization.
or just wait until we get rid of global lock anyway.
*/
string ns = fromdb + ".system.namespaces";
auto_ptr<DBClientCursor> c;
{
dbtemprelease r;
if ( !masterSameProcess ) {
auto_ptr< DBClientConnection > c( new DBClientConnection() );
if ( !c->connect( masterHost, errmsg ) )
return false;
if( !replAuthenticate(c.get()) )
return false;
conn = c;
} else {
conn.reset( new DBDirectClient() );
}
c = conn->query( ns.c_str(), BSONObj(), 0, 0, 0, slaveOk ? Option_SlaveOk : 0 );
}
if ( c.get() == 0 ) {
errmsg = "query failed " + ns;
return false;
}
while ( 1 ) {
{
dbtemprelease r;
if ( !c->more() )
break;
}
BSONObj collection = c->next();
BSONElement e = collection.findElement("name");
if ( e.eoo() ) {
string s = "bad system.namespaces object " + collection.toString();
/* temp
out() << masterHost << endl;
out() << ns << endl;
out() << e.toString() << endl;
exit(1);*/
massert(s.c_str(), false);
}
assert( !e.eoo() );
assert( e.type() == String );
const char *from_name = e.valuestr();
if( strstr(from_name, ".system.") ) {
/* system.users is cloned -- but nothing else from system. */
if( strstr(from_name, ".system.users") == 0 )
continue;
}
else if( strchr(from_name, '$') ) {
// don't clone index namespaces -- we take care of those separately below.
continue;
}
BSONObj options = collection.getObjectField("options");
/* change name "<fromdb>.collection" -> <todb>.collection */
const char *p = strchr(from_name, '.');
assert(p);
string to_name = todb + p;
//if( !options.isEmpty() )
{
string err;
const char *toname = to_name.c_str();
userCreateNS(toname, options, err, logForRepl);
/* chunks are big enough that we should create the _id index up front, that should
be faster. perhaps we should do that for everything? Not doing that yet -- not sure
how we want to handle _id-less collections, and we might not want to create the index
there.
*/
if ( strstr(toname, "._chunks") )
ensureHaveIdIndex(toname);
}
copy(from_name, to_name.c_str(), false, logForRepl, masterSameProcess, slaveOk);
}
// now build the indexes
string system_indexes_from = fromdb + ".system.indexes";
string system_indexes_to = todb + ".system.indexes";
copy(system_indexes_from.c_str(), system_indexes_to.c_str(), true, logForRepl, masterSameProcess, slaveOk, BSON( "name" << NE << "_id_" ) );
return true;
}
void appendReplicationInfo(OperationContext* txn, BSONObjBuilder& result, int level) {
ReplicationCoordinator* replCoord = getGlobalReplicationCoordinator();
if (replCoord->getSettings().usingReplSets()) {
IsMasterResponse isMasterResponse;
replCoord->fillIsMasterForReplSet(&isMasterResponse);
result.appendElements(isMasterResponse.toBSON());
if (level) {
replCoord->appendSlaveInfoData(&result);
}
return;
}
// TODO(dannenberg) replAllDead is bad and should be removed when master slave is removed
if (replAllDead) {
result.append("ismaster", 0);
string s = string("dead: ") + replAllDead;
result.append("info", s);
} else {
result.appendBool("ismaster",
getGlobalReplicationCoordinator()->isMasterForReportingPurposes());
}
if (level) {
BSONObjBuilder sources(result.subarrayStart("sources"));
int n = 0;
list<BSONObj> src;
{
const char* localSources = "local.sources";
AutoGetCollectionForRead ctx(txn, localSources);
unique_ptr<PlanExecutor> exec(
InternalPlanner::collectionScan(txn, localSources, ctx.getCollection()));
BSONObj obj;
PlanExecutor::ExecState state;
while (PlanExecutor::ADVANCED == (state = exec->getNext(&obj, NULL))) {
src.push_back(obj);
}
}
for (list<BSONObj>::const_iterator i = src.begin(); i != src.end(); i++) {
BSONObj s = *i;
BSONObjBuilder bb;
bb.append(s["host"]);
string sourcename = s["source"].valuestr();
if (sourcename != "main")
bb.append(s["source"]);
{
BSONElement e = s["syncedTo"];
BSONObjBuilder t(bb.subobjStart("syncedTo"));
t.appendDate("time", e.timestampTime());
t.append("inc", e.timestampInc());
t.done();
}
if (level > 1) {
wassert(!txn->lockState()->isLocked());
// note: there is no so-style timeout on this connection; perhaps we should have
// one.
ScopedDbConnection conn(s["host"].valuestr());
DBClientConnection* cliConn = dynamic_cast<DBClientConnection*>(&conn.conn());
if (cliConn && replAuthenticate(cliConn)) {
BSONObj first = conn->findOne((string) "local.oplog.$" + sourcename,
Query().sort(BSON("$natural" << 1)));
BSONObj last = conn->findOne((string) "local.oplog.$" + sourcename,
Query().sort(BSON("$natural" << -1)));
bb.appendDate("masterFirst", first["ts"].timestampTime());
bb.appendDate("masterLast", last["ts"].timestampTime());
const auto lag = (last["ts"].timestampTime() - s["syncedTo"].timestampTime());
bb.append("lagSeconds", durationCount<Milliseconds>(lag) / 1000.0);
}
conn.done();
}
sources.append(BSONObjBuilder::numStr(n++), bb.obj());
}
sources.done();
replCoord->appendSlaveInfoData(&result);
}
}
void appendReplicationInfo(BSONObjBuilder& result, int level) {
if ( replSet ) {
if( theReplSet == 0 || theReplSet->state().shunned() ) {
result.append("ismaster", false);
result.append("secondary", false);
result.append("info", ReplSet::startupStatusMsg.get());
result.append( "isreplicaset" , true );
}
else {
theReplSet->fillIsMaster(result);
}
return;
}
if ( replAllDead ) {
result.append("ismaster", 0);
string s = string("dead: ") + replAllDead;
result.append("info", s);
}
else {
result.appendBool("ismaster", _isMaster() );
}
if ( level && replSet ) {
result.append( "info" , "is replica set" );
}
else if ( level ) {
BSONObjBuilder sources( result.subarrayStart( "sources" ) );
int n = 0;
list<BSONObj> src;
{
Client::ReadContext ctx("local.sources", dbpath);
shared_ptr<Cursor> c = findTableScan("local.sources", BSONObj());
while ( c->ok() ) {
src.push_back(c->current());
c->advance();
}
}
for( list<BSONObj>::const_iterator i = src.begin(); i != src.end(); i++ ) {
BSONObj s = *i;
BSONObjBuilder bb;
bb.append( s["host"] );
string sourcename = s["source"].valuestr();
if ( sourcename != "main" )
bb.append( s["source"] );
{
BSONElement e = s["syncedTo"];
BSONObjBuilder t( bb.subobjStart( "syncedTo" ) );
t.appendDate( "time" , e.timestampTime() );
t.append( "inc" , e.timestampInc() );
t.done();
}
if ( level > 1 ) {
wassert( !Lock::isLocked() );
// note: there is no so-style timeout on this connection; perhaps we should have one.
ScopedDbConnection conn(s["host"].valuestr());
DBClientConnection *cliConn = dynamic_cast< DBClientConnection* >( &conn.conn() );
if ( cliConn && replAuthenticate(cliConn, false) ) {
BSONObj first = conn->findOne( (string)"local.oplog.$" + sourcename,
Query().sort( BSON( "$natural" << 1 ) ) );
BSONObj last = conn->findOne( (string)"local.oplog.$" + sourcename,
Query().sort( BSON( "$natural" << -1 ) ) );
bb.appendDate( "masterFirst" , first["ts"].timestampTime() );
bb.appendDate( "masterLast" , last["ts"].timestampTime() );
double lag = (double) (last["ts"].timestampTime() - s["syncedTo"].timestampTime());
bb.append( "lagSeconds" , lag / 1000 );
}
conn.done();
}
sources.append( BSONObjBuilder::numStr( n++ ) , bb.obj() );
}
sources.done();
}
}
