ceph/src/mgr/Mgr.h
Kefu Chai e0a7ef57e0
Merge pull request #18484 from Liuchang0812/wip-mgr-request-osd-metadata
mgr: request daemon's metadata when receiving a report from an unknown server

Reviewed-by: John Spray <john.spray@redhat.com>
2017-11-18 21:04:37 +08:00

138 lines
3.0 KiB
C++

// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2014 John Spray <john.spray@inktank.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*/
#ifndef CEPH_MGR_H_
#define CEPH_MGR_H_
// Python.h comes first because otherwise it clobbers ceph's assert
#include "Python.h"
// Python's pyconfig-64.h conflicts with ceph's acconfig.h
#undef HAVE_SYS_WAIT_H
#undef HAVE_UNISTD_H
#undef HAVE_UTIME_H
#undef _POSIX_C_SOURCE
#undef _XOPEN_SOURCE
#include "mds/FSMap.h"
#include "messages/MFSMap.h"
#include "msg/Messenger.h"
#include "auth/Auth.h"
#include "common/Finisher.h"
#include "common/Timer.h"
#include "mon/MgrMap.h"
#include "DaemonServer.h"
#include "PyModuleRegistry.h"
#include "DaemonState.h"
#include "ClusterState.h"
class MCommand;
class MMgrDigest;
class MLog;
class MServiceMap;
class Objecter;
class Client;
class Mgr {
protected:
MonClient *monc;
Objecter *objecter;
Client *client;
Messenger *client_messenger;
mutable Mutex lock;
SafeTimer timer;
Finisher finisher;
// Track receipt of initial data during startup
Cond fs_map_cond;
bool digest_received;
Cond digest_cond;
PyModuleRegistry *py_module_registry;
DaemonStateIndex daemon_state;
ClusterState cluster_state;
DaemonServer server;
LogChannelRef clog;
LogChannelRef audit_clog;
PyModuleConfig load_config();
void load_all_metadata();
void init();
bool initialized;
bool initializing;
public:
Mgr(MonClient *monc_, const MgrMap& mgrmap,
PyModuleRegistry *py_module_registry_,
Messenger *clientm_, Objecter *objecter_,
Client *client_, LogChannelRef clog_, LogChannelRef audit_clog_);
~Mgr();
bool is_initialized() const {return initialized;}
entity_addr_t get_server_addr() const { return server.get_myaddr(); }
void handle_mgr_digest(MMgrDigest* m);
void handle_fs_map(MFSMap* m);
void handle_osd_map();
void handle_log(MLog *m);
void handle_service_map(MServiceMap *m);
bool got_mgr_map(const MgrMap& m);
bool ms_dispatch(Message *m);
void tick();
void background_init(Context *completion);
void shutdown();
std::vector<MonCommand> get_command_set() const;
std::map<std::string, std::string> get_services() const;
};
/**
* Context for completion of metadata mon commands: take
* the result and stash it in DaemonStateIndex
*/
class MetadataUpdate : public Context
{
private:
DaemonStateIndex &daemon_state;
DaemonKey key;
std::map<std::string, std::string> defaults;
public:
bufferlist outbl;
std::string outs;
MetadataUpdate(DaemonStateIndex &daemon_state_, const DaemonKey &key_)
: daemon_state(daemon_state_), key(key_) {}
void set_default(const std::string &k, const std::string &v)
{
defaults[k] = v;
}
void finish(int r) override;
};
#endif