Status Strategy::commandOpUnsharded(const std::string& db,
const BSONObj& command,
int options,
const std::string& versionedNS,
CommandResult* cmdResult) {
// Note that this implementation will not handle targeting retries and fails when the
// sharding metadata is too stale
auto status = grid.catalogCache()->getDatabase(db);
if (!status.isOK()) {
mongoutils::str::stream ss;
ss << "Passthrough command failed: " << command.toString()
<< " on ns " << versionedNS << ". Caused by " << causedBy(status.getStatus());
return Status(ErrorCodes::IllegalOperation, ss);
}
shared_ptr<DBConfig> conf = status.getValue();
if (conf->isSharded(versionedNS)) {
mongoutils::str::stream ss;
ss << "Passthrough command failed: " << command.toString()
<< " on ns " << versionedNS << ". Cannot run on sharded namespace.";
return Status(ErrorCodes::IllegalOperation, ss);
}
Shard primaryShard = conf->getPrimary();
BSONObj shardResult;
try {
ShardConnection conn(primaryShard.getConnString(), "");
// TODO: this can throw a stale config when mongos is not up-to-date -- fix.
if (!conn->runCommand(db, command, shardResult, options)) {
conn.done();
return Status(ErrorCodes::OperationFailed,
str::stream() << "Passthrough command failed: " << command
<< " on ns " << versionedNS
<< "; result: " << shardResult);
}
conn.done();
}
catch (const DBException& ex) {
return ex.toStatus();
}
// Fill out the command result.
cmdResult->shardTarget = primaryShard;
cmdResult->result = shardResult;
cmdResult->target = primaryShard.getConnString();
return Status::OK();
}
Status DBClientShardResolver::chooseWriteHost( const string& shardName,
ConnectionString* shardHost ) const {
// Declare up here for parsing later
string errMsg;
// Special-case for config
if (shardName == "config") {
*shardHost = ConnectionString::parse( configServer.modelServer(), errMsg );
dassert( errMsg == "" );
return Status::OK();
}
//
// First get the information about the shard from the shard cache
//
// Internally uses our shard cache, does no reload
Shard shard = Shard::findIfExists( shardName );
if ( shard.getName() == "" ) {
return Status( ErrorCodes::ShardNotFound,
string("unknown shard name ") + shardName );
}
return findMaster(shard.getConnString().toString(), shardHost);
}
bool CmdAuthenticate::getUserObj(const string& dbname, const string& user, BSONObj& userObj, string& pwd) {
if (user == internalSecurity.user) {
uassert(15890, "key file must be used to log in with internal user",
!cmdLine.keyFile.empty());
pwd = internalSecurity.pwd;
}
else {
string systemUsers = dbname + ".system.users";
DBConfigPtr config = grid.getDBConfig( systemUsers );
Shard s = config->getShard( systemUsers );
static BSONObj userPattern = BSON("user" << 1);
scoped_ptr<ScopedDbConnection> conn(
ScopedDbConnection::getInternalScopedDbConnection( s.getConnString(), 30.0 ) );
OCCASIONALLY conn->get()->ensureIndex(systemUsers, userPattern, false, "user_1");
{
BSONObjBuilder b;
b << "user" << user;
BSONObj query = b.done();
userObj = conn->get()->findOne(systemUsers, query, 0, QueryOption_SlaveOk);
if( userObj.isEmpty() ) {
log() << "auth: couldn't find user " << user << ", " << systemUsers << endl;
conn->done(); // return to pool
return false;
}
}
pwd = userObj.getStringField("pwd");
conn->done(); // return to pool
}
return true;
}
bool setShardVersion(DBClientBase& conn,
const string& ns,
const string& configServerPrimary,
ChunkVersion version,
ChunkManager* manager,
bool authoritative,
BSONObj& result) {
BSONObjBuilder cmdBuilder;
cmdBuilder.append("setShardVersion", ns);
cmdBuilder.append("configdb", configServerPrimary);
Shard s = Shard::make(conn.getServerAddress());
cmdBuilder.append("shard", s.getName());
cmdBuilder.append("shardHost", s.getConnString());
if (ns.size() > 0) {
version.addToBSON(cmdBuilder);
}
else {
cmdBuilder.append("init", true);
}
if (authoritative) {
cmdBuilder.appendBool("authoritative", 1);
}
BSONObj cmd = cmdBuilder.obj();
LOG(1) << " setShardVersion " << s.getName() << " " << conn.getServerAddress()
<< " " << ns << " " << cmd
<< (manager ? string(str::stream() << " " << manager->getSequenceNumber()) : "");
return conn.runCommand("admin", cmd, result, 0);
}
ShardConnection::ShardConnection(const Shard& s, const string& ns, ChunkManagerPtr manager)
: _addr(s.getConnString()),
_ns(ns),
_manager( manager ) {
_init();
}
void set( const string& name , const Shard& s , bool setName = true , bool setAddr = true ) {
scoped_lock lk( _mutex );
ShardPtr ss( new Shard( s ) );
if ( setName )
_lookup[name] = ss;
if ( setAddr )
_installHost( s.getConnString() , ss );
}
bool Chunk::moveAndCommit(const Shard& to,
long long chunkSize /* bytes */,
const WriteConcernOptions* writeConcern,
bool waitForDelete,
int maxTimeMS,
BSONObj& res) const {
uassert( 10167 , "can't move shard to its current location!" , getShard() != to );
log() << "moving chunk ns: " << _manager->getns() << " moving ( " << toString() << ") "
<< _shard.toString() << " -> " << to.toString();
Shard from = _shard;
ScopedDbConnection fromconn(from.getConnString());
BSONObjBuilder builder;
builder.append("moveChunk", _manager->getns());
builder.append("from", from.getAddress().toString());
builder.append("to", to.getAddress().toString());
// NEEDED FOR 2.0 COMPATIBILITY
builder.append("fromShard", from.getName());
builder.append("toShard", to.getName());
///////////////////////////////
builder.append("min", _min);
builder.append("max", _max);
builder.append("maxChunkSizeBytes", chunkSize);
builder.append("shardId", genID());
builder.append("configdb", configServer.modelServer());
// For legacy secondary throttle setting.
bool secondaryThrottle = true;
if (writeConcern &&
writeConcern->wNumNodes <= 1 &&
writeConcern->wMode.empty()) {
secondaryThrottle = false;
}
builder.append("secondaryThrottle", secondaryThrottle);
if (secondaryThrottle && writeConcern) {
builder.append("writeConcern", writeConcern->toBSON());
}
builder.append("waitForDelete", waitForDelete);
builder.append(LiteParsedQuery::cmdOptionMaxTimeMS, maxTimeMS);
builder.append("epoch", _manager->getVersion().epoch());
bool worked = fromconn->runCommand("admin", builder.done(), res);
fromconn.done();
LOG( worked ? 1 : 0 ) << "moveChunk result: " << res;
// if succeeded, needs to reload to pick up the new location
// if failed, mongos may be stale
// reload is excessive here as the failure could be simply because collection metadata is taken
_manager->reload();
return worked;
}
void ChunkManager::calcInitSplitsAndShards( const Shard& primary,
const vector<BSONObj>* initPoints,
const vector<Shard>* initShards,
vector<BSONObj>* splitPoints,
vector<Shard>* shards ) const
{
verify( _chunkMap.size() == 0 );
unsigned long long numObjects = 0;
Chunk c(this, _keyPattern.getKeyPattern().globalMin(),
_keyPattern.getKeyPattern().globalMax(), primary);
if ( !initPoints || !initPoints->size() ) {
// discover split points
{
// get stats to see if there is any data
ScopedDbConnection shardConn(primary.getConnString());
numObjects = shardConn->count( getns() );
shardConn.done();
}
if ( numObjects > 0 )
c.pickSplitVector( *splitPoints , Chunk::MaxChunkSize );
// since docs alread exists, must use primary shard
shards->push_back( primary );
} else {
// make sure points are unique and ordered
set<BSONObj> orderedPts;
for ( unsigned i = 0; i < initPoints->size(); ++i ) {
BSONObj pt = (*initPoints)[i];
orderedPts.insert( pt );
}
for ( set<BSONObj>::iterator it = orderedPts.begin(); it != orderedPts.end(); ++it ) {
splitPoints->push_back( *it );
}
if ( !initShards || !initShards->size() ) {
// If not specified, only use the primary shard (note that it's not safe for mongos
// to put initial chunks on other shards without the primary mongod knowing).
shards->push_back( primary );
} else {
std::copy( initShards->begin() , initShards->end() , std::back_inserter(*shards) );
}
}
}
bool setShardVersion( DBClientBase & conn , const string& ns , ShardChunkVersion version , bool authoritative , BSONObj& result ){
BSONObjBuilder cmdBuilder;
cmdBuilder.append( "setShardVersion" , ns.c_str() );
cmdBuilder.append( "configdb" , configServer.modelServer() );
cmdBuilder.appendTimestamp( "version" , version );
cmdBuilder.appendOID( "serverID" , &serverID );
if ( authoritative )
cmdBuilder.appendBool( "authoritative" , 1 );
Shard s = Shard::make( conn.getServerAddress() );
cmdBuilder.append( "shard" , s.getName() );
cmdBuilder.append( "shardHost" , s.getConnString() );
BSONObj cmd = cmdBuilder.obj();
log(1) << " setShardVersion " << s.getName() << " " << conn.getServerAddress() << " " << ns << " " << cmd << " " << &conn << endl;
return conn.runCommand( "admin" , cmd , result );
}
void ClientInfo::_setupAuth() {
std::string adminNs = "admin";
DBConfigPtr config = grid.getDBConfig(adminNs);
Shard shard = config->getShard(adminNs);
scoped_ptr<ScopedDbConnection> connPtr(
ScopedDbConnection::getInternalScopedDbConnection(shard.getConnString(), 30.0));
ScopedDbConnection& conn = *connPtr;
//
// Note: The connection mechanism here is *not* ideal, and should not be used elsewhere.
// It is safe in this particular case because the admin database is always on the config
// server and does not move.
//
AuthorizationManager* authManager = new AuthorizationManager(new AuthExternalStateImpl());
Status status = authManager->initialize(conn.get());
massert(16479,
mongoutils::str::stream() << "Error initializing AuthorizationManager: "
<< status.reason(),
status == Status::OK());
setAuthorizationManager(authManager);
}
void AuthenticationInfo::_checkLocalHostSpecialAdmin() {
if (noauth || !_isLocalHost || !_isLocalHostAndLocalHostIsAuthorizedForAll) {
return;
}
string adminNs = "admin.system.users";
DBConfigPtr config = grid.getDBConfig( adminNs );
Shard s = config->getShard( adminNs );
//
// Note: The connection mechanism here is *not* ideal, and should not be used elsewhere.
// It is safe in this particular case because the admin database is always on the config
// server and does not move.
//
scoped_ptr<ScopedDbConnection> conn(
ScopedDbConnection::getInternalScopedDbConnection(s.getConnString(), 30.0));
BSONObj result = (*conn)->findOne("admin.system.users", Query());
if( result.isEmpty() ) {
if( ! _warned ) {
// you could get a few of these in a race, but that's ok
_warned = true;
log() << "note: no users configured in admin.system.users, allowing localhost access" << endl;
}
// Must return conn to pool
// TODO: Check for errors during findOne(), or just let the conn die?
conn->done();
_isLocalHostAndLocalHostIsAuthorizedForAll = true;
return;
}
// Must return conn to pool
conn->done();
_isLocalHostAndLocalHostIsAuthorizedForAll = false;
}
ShardConnection::ShardConnection( const Shard& s , const string& ns )
: _addr( s.getConnString() ) , _ns( ns ) {
_init();
}
bool lockNamespaceOnServer( const Shard& shard, const string& ns ){
ScopedDbConnection conn( shard.getConnString() );
bool res = lockNamespaceOnServer( conn.conn() , ns );
conn.done();
return res;
}
ShardConnection::ShardConnection( const Shard& s , const string& ns, bool ignoreDirect )
: _addr( s.getConnString() ) , _ns( ns ) {
_init( ignoreDirect );
}
Status DBClientShardResolver::chooseWriteHost( const string& shardName,
ConnectionString* shardHost ) const {
// Declare up here for parsing later
string errMsg;
// Special-case for config and admin
if ( shardName == "config" || shardName == "admin" ) {
*shardHost = ConnectionString::parse( configServer.modelServer(), errMsg );
dassert( errMsg == "" );
return Status::OK();
}
//
// First get the information about the shard from the shard cache
//
// Internally uses our shard cache, does no reload
Shard shard = Shard::findIfExists( shardName );
if ( shard.getName() == "" ) {
return Status( ErrorCodes::ShardNotFound,
string("unknown shard name ") + shardName );
}
ConnectionString rawShardHost = ConnectionString::parse( shard.getConnString(), errMsg );
dassert( errMsg == "" );
dassert( rawShardHost.type() == ConnectionString::SET
|| rawShardHost.type() == ConnectionString::MASTER );
if ( rawShardHost.type() == ConnectionString::MASTER ) {
*shardHost = rawShardHost;
return Status::OK();
}
//
// If we need to, then get the particular node we're targeting in the replica set
//
// Does not reload the monitor if it doesn't currently exist
ReplicaSetMonitorPtr replMonitor = ReplicaSetMonitor::get( rawShardHost.getSetName(),
false );
if ( !replMonitor ) {
return Status( ErrorCodes::ReplicaSetNotFound,
string("unknown replica set ") + rawShardHost.getSetName() );
}
try {
// This can throw when we don't find a master!
HostAndPort masterHostAndPort = replMonitor->getMaster();
*shardHost = ConnectionString::parse( masterHostAndPort.toString( true ), errMsg );
dassert( errMsg == "" );
return Status::OK();
}
catch ( const DBException& ) {
return Status( ErrorCodes::HostNotFound,
string("could not contact primary for replica set ")
+ replMonitor->getName() );
}
// Unreachable
dassert( false );
return Status( ErrorCodes::UnknownError, "" );
}
ScopedDbConnection::ScopedDbConnection(const Shard& shard, double socketTimeout )
: _host( shard.getConnString() ) , _conn( pool.get(_host, socketTimeout) ), _socketTimeout( socketTimeout ) {
_setSocketTimeout();
}
bool run(const string& , BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool) {
string target = cmdObj.firstElement().valuestrsafe();
Shard s = Shard::make( target );
if ( ! grid.knowAboutShard( s.getConnString() ) ) {
errmsg = "unknown shard";
return false;
}
ScopedDbConnection conn( configServer.getPrimary() );
// If the server is not yet draining chunks, put it in draining mode.
BSONObj searchDoc = BSON( "_id" << s.getName() );
BSONObj drainingDoc = BSON( "_id" << s.getName() << ShardFields::draining(true) );
BSONObj shardDoc = conn->findOne( "config.shards", drainingDoc );
if ( shardDoc.isEmpty() ) {
// TODO prevent move chunks to this shard.
log() << "going to start draining shard: " << s.getName() << endl;
BSONObj newStatus = BSON( "$set" << BSON( ShardFields::draining(true) ) );
conn->update( "config.shards" , searchDoc , newStatus, false /* do no upsert */);
errmsg = conn->getLastError();
if ( errmsg.size() ) {
log() << "error starting remove shard: " << s.getName() << " err: " << errmsg << endl;
return false;
}
Shard::reloadShardInfo();
result.append( "msg" , "draining started successfully" );
result.append( "state" , "started" );
result.append( "shard" , s.getName() );
conn.done();
return true;
}
// If the server has been completely drained, remove it from the ConfigDB.
// Check not only for chunks but also databases.
BSONObj shardIDDoc = BSON( "shard" << shardDoc[ "_id" ].str() );
long long chunkCount = conn->count( "config.chunks" , shardIDDoc );
BSONObj primaryDoc = BSON( "primary" << shardDoc[ "_id" ].str() );
long long dbCount = conn->count( "config.databases" , primaryDoc );
if ( ( chunkCount == 0 ) && ( dbCount == 0 ) ) {
log() << "going to remove shard: " << s.getName() << endl;
conn->remove( "config.shards" , searchDoc );
errmsg = conn->getLastError();
if ( errmsg.size() ) {
log() << "error concluding remove shard: " << s.getName() << " err: " << errmsg << endl;
return false;
}
Shard::removeShard( shardDoc[ "_id" ].str() );
Shard::reloadShardInfo();
result.append( "msg" , "removeshard completed successfully" );
result.append( "state" , "completed" );
result.append( "shard" , s.getName() );
conn.done();
return true;
}
// If the server is already in draining mode, just report on its progress.
// Report on databases (not just chunks) that are left too.
result.append( "msg" , "draining ongoing" );
result.append( "state" , "ongoing" );
BSONObjBuilder inner;
inner.append( "chunks" , chunkCount );
inner.append( "dbs" , dbCount );
result.append( "remaining" , inner.obj() );
conn.done();
return true;
}
ScopedDbConnection::ScopedDbConnection(const Shard& shard )
: _host( shard.getConnString() ) , _conn( pool.get(_host) ){
}
bool handleSpecialNamespaces( Request& r , QueryMessage& q ) {
const char * ns = strstr( r.getns() , ".$cmd.sys." );
if ( ! ns )
return false;
ns += 10;
BSONObjBuilder b;
vector<Shard> shards;
ClientBasic* client = ClientBasic::getCurrent();
AuthorizationSession* authSession = client->getAuthorizationSession();
if ( strcmp( ns , "inprog" ) == 0 ) {
const bool isAuthorized = authSession->isAuthorizedForActionsOnResource(
ResourcePattern::forClusterResource(), ActionType::inprog);
audit::logInProgAuthzCheck(
client, q.query, isAuthorized ? ErrorCodes::OK : ErrorCodes::Unauthorized);
uassert(ErrorCodes::Unauthorized, "not authorized to run inprog", isAuthorized);
Shard::getAllShards( shards );
BSONArrayBuilder arr( b.subarrayStart( "inprog" ) );
for ( unsigned i=0; i<shards.size(); i++ ) {
Shard shard = shards[i];
ScopedDbConnection conn(shard.getConnString());
BSONObj temp = conn->findOne( r.getns() , q.query );
if ( temp["inprog"].isABSONObj() ) {
BSONObjIterator i( temp["inprog"].Obj() );
while ( i.more() ) {
BSONObjBuilder x;
BSONObjIterator j( i.next().Obj() );
while( j.more() ) {
BSONElement e = j.next();
if ( str::equals( e.fieldName() , "opid" ) ) {
stringstream ss;
ss << shard.getName() << ':' << e.numberInt();
x.append( "opid" , ss.str() );
}
else if ( str::equals( e.fieldName() , "client" ) ) {
x.appendAs( e , "client_s" );
}
else {
x.append( e );
}
}
arr.append( x.obj() );
}
}
conn.done();
}
arr.done();
}
else if ( strcmp( ns , "killop" ) == 0 ) {
const bool isAuthorized = authSession->isAuthorizedForActionsOnResource(
ResourcePattern::forClusterResource(), ActionType::killop);
audit::logKillOpAuthzCheck(
client,
q.query,
isAuthorized ? ErrorCodes::OK : ErrorCodes::Unauthorized);
uassert(ErrorCodes::Unauthorized, "not authorized to run killop", isAuthorized);
BSONElement e = q.query["op"];
if ( e.type() != String ) {
b.append( "err" , "bad op" );
b.append( e );
}
else {
b.append( e );
string s = e.String();
string::size_type i = s.find( ':' );
if ( i == string::npos ) {
b.append( "err" , "bad opid" );
}
else {
string shard = s.substr( 0 , i );
int opid = atoi( s.substr( i + 1 ).c_str() );
b.append( "shard" , shard );
b.append( "shardid" , opid );
log() << "want to kill op: " << e << endl;
Shard s(shard);
ScopedDbConnection conn(s.getConnString());
conn->findOne( r.getns() , BSON( "op" << opid ) );
conn.done();
}
}
}
else if ( strcmp( ns , "unlock" ) == 0 ) {
b.append( "err" , "can't do unlock through mongos" );
}
else {
warning() << "unknown sys command [" << ns << "]" << endl;
return false;
}
BSONObj x = b.done();
replyToQuery(0, r.p(), r.m(), x);
return true;
}
bool run(const string& , BSONObj& cmdObj, int, string& errmsg, BSONObjBuilder& result, bool) {
string target = cmdObj.firstElement().valuestrsafe();
Shard s = Shard::make( target );
if ( ! grid.knowAboutShard( s.getConnString() ) ) {
errmsg = "unknown shard";
return false;
}
ScopedDbConnection conn( configServer.getPrimary() );
if (conn->count("config.shards", BSON("_id" << NE << s.getName() << ShardFields::draining(true)))){
conn.done();
errmsg = "Can't have more than one draining shard at a time";
return false;
}
if (conn->count("config.shards", BSON("_id" << NE << s.getName())) == 0){
conn.done();
errmsg = "Can't remove last shard";
return false;
}
BSONObj primaryDoc = BSON( "_id" << NE << "local" << "primary" << s.getName() );
BSONObj dbInfo; // appended at end of result on success
{
boost::scoped_ptr<DBClientCursor> cursor (conn->query("config.databases", primaryDoc));
if (cursor->more()) { // skip block and allocations if empty
BSONObjBuilder dbInfoBuilder;
dbInfoBuilder.append("note", "you need to drop or movePrimary these databases");
BSONArrayBuilder dbs(dbInfoBuilder.subarrayStart("dbsToMove"));
while (cursor->more()){
BSONObj db = cursor->nextSafe();
dbs.append(db["_id"]);
}
dbs.doneFast();
dbInfo = dbInfoBuilder.obj();
}
}
// If the server is not yet draining chunks, put it in draining mode.
BSONObj searchDoc = BSON( "_id" << s.getName() );
BSONObj drainingDoc = BSON( "_id" << s.getName() << ShardFields::draining(true) );
BSONObj shardDoc = conn->findOne( "config.shards", drainingDoc );
if ( shardDoc.isEmpty() ) {
// TODO prevent move chunks to this shard.
log() << "going to start draining shard: " << s.getName() << endl;
BSONObj newStatus = BSON( "$set" << BSON( ShardFields::draining(true) ) );
conn->update( "config.shards" , searchDoc , newStatus, false /* do no upsert */);
errmsg = conn->getLastError();
if ( errmsg.size() ) {
log() << "error starting remove shard: " << s.getName() << " err: " << errmsg << endl;
return false;
}
BSONObj primaryLocalDoc = BSON("_id" << "local" << "primary" << s.getName() );
PRINT(primaryLocalDoc);
if (conn->count("config.databases", primaryLocalDoc)) {
log() << "This shard is listed as primary of local db. Removing entry." << endl;
conn->remove("config.databases", BSON("_id" << "local"));
errmsg = conn->getLastError();
if ( errmsg.size() ) {
log() << "error removing local db: " << errmsg << endl;
return false;
}
}
Shard::reloadShardInfo();
result.append( "msg" , "draining started successfully" );
result.append( "state" , "started" );
result.append( "shard" , s.getName() );
result.appendElements(dbInfo);
conn.done();
return true;
}
// If the server has been completely drained, remove it from the ConfigDB.
// Check not only for chunks but also databases.
BSONObj shardIDDoc = BSON( "shard" << shardDoc[ "_id" ].str() );
long long chunkCount = conn->count( "config.chunks" , shardIDDoc );
long long dbCount = conn->count( "config.databases" , primaryDoc );
if ( ( chunkCount == 0 ) && ( dbCount == 0 ) ) {
log() << "going to remove shard: " << s.getName() << endl;
conn->remove( "config.shards" , searchDoc );
errmsg = conn->getLastError();
if ( errmsg.size() ) {
log() << "error concluding remove shard: " << s.getName() << " err: " << errmsg << endl;
return false;
}
Shard::removeShard( shardDoc[ "_id" ].str() );
Shard::reloadShardInfo();
result.append( "msg" , "removeshard completed successfully" );
result.append( "state" , "completed" );
result.append( "shard" , s.getName() );
conn.done();
return true;
}
// If the server is already in draining mode, just report on its progress.
// Report on databases (not just chunks) that are left too.
result.append( "msg" , "draining ongoing" );
result.append( "state" , "ongoing" );
BSONObjBuilder inner;
inner.append( "chunks" , chunkCount );
inner.append( "dbs" , dbCount );
result.append( "remaining" , inner.obj() );
result.appendElements(dbInfo);
conn.done();
return true;
}
bool handleSpecialNamespaces( Request& r , QueryMessage& q ) {
const char * ns = r.getns();
ns = strstr( r.getns() , ".$cmd.sys." );
if ( ! ns )
return false;
ns += 10;
BSONObjBuilder b;
vector<Shard> shards;
AuthorizationManager* authManager =
ClientBasic::getCurrent()->getAuthorizationManager();
if ( strcmp( ns , "inprog" ) == 0 ) {
uassert(16545,
"not authorized to run inprog",
authManager->checkAuthorization(AuthorizationManager::SERVER_RESOURCE_NAME,
ActionType::inprog));
Shard::getAllShards( shards );
BSONArrayBuilder arr( b.subarrayStart( "inprog" ) );
for ( unsigned i=0; i<shards.size(); i++ ) {
Shard shard = shards[i];
scoped_ptr<ScopedDbConnection> conn(
ScopedDbConnection::getScopedDbConnection( shard.getConnString() ) );
BSONObj temp = conn->get()->findOne( r.getns() , q.query );
if ( temp["inprog"].isABSONObj() ) {
BSONObjIterator i( temp["inprog"].Obj() );
while ( i.more() ) {
BSONObjBuilder x;
BSONObjIterator j( i.next().Obj() );
while( j.more() ) {
BSONElement e = j.next();
if ( str::equals( e.fieldName() , "opid" ) ) {
stringstream ss;
ss << shard.getName() << ':' << e.numberInt();
x.append( "opid" , ss.str() );
}
else if ( str::equals( e.fieldName() , "client" ) ) {
x.appendAs( e , "client_s" );
}
else {
x.append( e );
}
}
arr.append( x.obj() );
}
}
conn->done();
}
arr.done();
}
else if ( strcmp( ns , "killop" ) == 0 ) {
uassert(16546,
"not authorized to run killop",
authManager->checkAuthorization(AuthorizationManager::SERVER_RESOURCE_NAME,
ActionType::killop));
BSONElement e = q.query["op"];
if ( e.type() != String ) {
b.append( "err" , "bad op" );
b.append( e );
}
else {
b.append( e );
string s = e.String();
string::size_type i = s.find( ':' );
if ( i == string::npos ) {
b.append( "err" , "bad opid" );
}
else {
string shard = s.substr( 0 , i );
int opid = atoi( s.substr( i + 1 ).c_str() );
b.append( "shard" , shard );
b.append( "shardid" , opid );
log() << "want to kill op: " << e << endl;
Shard s(shard);
scoped_ptr<ScopedDbConnection> conn(
ScopedDbConnection::getScopedDbConnection( s.getConnString() ) );
conn->get()->findOne( r.getns() , BSON( "op" << opid ) );
conn->done();
}
}
}
else if ( strcmp( ns , "unlock" ) == 0 ) {
b.append( "err" , "can't do unlock through mongos" );
}
else {
LOG( LL_WARNING ) << "unknown sys command [" << ns << "]" << endl;
return false;
}
BSONObj x = b.done();
replyToQuery(0, r.p(), r.m(), x);
return true;
}
