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// @file mms.cpp
/*
* Copyright (C) 2010 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "pch.h"
#include "../db.h"
#include "../instance.h"
#include "../module.h"
#include "../../util/net/httpclient.h"
#include "../../util/background.h"
#include "../commands.h"
namespace po = boost::program_options;
namespace mongo {
/** Mongo Monitoring Service
if enabled, this runs in the background ands pings mss
*/
class MMS : public BackgroundJob , Module {
public:
MMS()
: Module( "mms" ) , _baseurl( "" ) ,
_secsToSleep(1) , _token( "" ) , _name( "" ) {
add_options()
( "mms-url" , po::value<string>()->default_value("http://mms.10gen.com/ping") , "url for mongo monitoring server" )
( "mms-token" , po::value<string>() , "account token for mongo monitoring server" )
( "mms-name" , po::value<string>() , "server name for mongo monitoring server" )
( "mms-interval" , po::value<int>()->default_value(30) , "ping interval (in seconds) for mongo monitoring server" )
;
}
~MMS() {}
void config( program_options::variables_map& params ) {
_baseurl = params["mms-url"].as<string>();
if ( params.count( "mms-token" ) ) {
_token = params["mms-token"].as<string>();
}
if ( params.count( "mms-name" ) ) {
_name = params["mms-name"].as<string>();
}
_secsToSleep = params["mms-interval"].as<int>();
}
void run() {
if ( _token.size() == 0 && _name.size() == 0 ) {
log(1) << "mms not configured" << endl;
return;
}
if ( _token.size() == 0 ) {
log() << "no token for mms - not running" << endl;
return;
}
if ( _name.size() == 0 ) {
log() << "no name for mms - not running" << endl;
return;
}
log() << "mms monitor staring... token:" << _token << " name:" << _name << " interval: " << _secsToSleep << endl;
Client::initThread( "mms" );
Client& c = cc();
// TODO: using direct client is bad, but easy for now
while ( ! inShutdown() ) {
sleepsecs( _secsToSleep );
try {
stringstream url;
url << _baseurl << "?"
<< "token=" << _token << "&"
<< "name=" << _name << "&"
<< "ts=" << time(0)
;
BSONObjBuilder bb;
// duplicated so the post has everything
bb.append( "token" , _token );
bb.append( "name" , _name );
bb.appendDate( "ts" , jsTime() );
// any commands
_add( bb , "buildinfo" );
_add( bb , "serverStatus" );
BSONObj postData = bb.obj();
log(1) << "mms url: " << url.str() << "\n\t post: " << postData << endl;;
HttpClient c;
HttpClient::Result r;
int rc = c.post( url.str() , postData.jsonString() , &r );
log(1) << "\t response code: " << rc << endl;
if ( rc != 200 ) {
log() << "mms error response code:" << rc << endl;
log(1) << "mms error body:" << r.getEntireResponse() << endl;
}
}
catch ( std::exception& e ) {
log() << "mms exception: " << e.what() << endl;
}
}
c.shutdown();
}
void _add( BSONObjBuilder& postData , const char* cmd ) {
Command * c = Command::findCommand( cmd );
if ( ! c ) {
log() << "MMS can't find command: " << cmd << endl;
postData.append( cmd , "can't find command" );
return;
}
if ( c->locktype() ) {
log() << "MMS can only use noLocking commands not: " << cmd << endl;
postData.append( cmd , "not noLocking" );
return;
}
BSONObj co = BSON( cmd << 1 );
string errmsg;
BSONObjBuilder sub;
if ( ! c->run( "admin.$cmd" , co , 0 , errmsg , sub , false ) )
postData.append( cmd , errmsg );
else
postData.append( cmd , sub.obj() );
}
void init() { go(); }
void shutdown() {
// TODO
}
private:
string _baseurl;
int _secsToSleep;
string _token;
string _name;
} /*mms*/ ;
}
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