ceph/src/mon/ConfigKeyService.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2013 Inktank, Inc
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14 #ifndef CEPH_MON_CONFIG_KEY_SERVICE_H
  15 #define CEPH_MON_CONFIG_KEY_SERVICE_H
  16
  17 #include "mon/QuorumService.h"
  18 #include "mon/MonitorDBStore.h"
  19
  20 class Paxos;
  21 class Monitor;
  22 namespace ceph {
  23 class Formatter;
  24 }
  25
  26 class ConfigKeyService : public QuorumService
  27 {
  28   Paxos *paxos;
  29
  30   int store_get(const string &key, bufferlist &bl);
  31   void store_put(const string &key, bufferlist &bl, Context *cb = NULL);
  32   void store_delete(MonitorDBStore::TransactionRef t, const string &key);
  33   void store_delete(const string &key, Context *cb = NULL);
  34   void store_delete_prefix(
  35       MonitorDBStore::TransactionRef t,
  36       const string &prefix);
  37   void store_list(stringstream &ss);
  38   void store_dump(stringstream &ss);
  39   bool store_exists(const string &key);
  40   bool store_has_prefix(const string &prefix);
  41
  42   static const string STORE_PREFIX;
  43
  44 protected:
  45   void service_shutdown() override { }
  46
  47 public:
  48   ConfigKeyService(Monitor *m, Paxos *p) :
  49     QuorumService(m),
  50     paxos(p)
  51   { }
  52   ~ConfigKeyService() override { }
  53
  54
  55   /**
  56    * @defgroup ConfigKeyService_Inherited_h Inherited abstract methods
  57    * @{
  58    */
  59   void init() override { }
  60   void get_health(Formatter *f,
  61                   list<pair<health_status_t,string> >& summary,
  62                   list<pair<health_status_t,string> > *detail) override { }
  63   bool service_dispatch(MonOpRequestRef op) override;
  64
  65   void start_epoch() override { }
  66   void finish_epoch() override { }
  67   void cleanup() override { }
  68   void service_tick() override { }
  69
  70   int validate_osd_destroy(const int32_t id, const uuid_d& uuid);
  71   void do_osd_destroy(int32_t id, uuid_d& uuid);
  72   int validate_osd_new(
  73       const uuid_d& uuid,
  74       const string& dmcrypt_key,
  75       stringstream& ss);
  76   void do_osd_new(const uuid_d& uuid, const string& dmcrypt_key);
  77
  78   int get_type() override {
  79     return QuorumService::SERVICE_CONFIG_KEY;
  80   }
  81
  82   string get_name() const override {
  83     return "config_key";
  84   }
  85   virtual void get_store_prefixes(set<string>& s);
  86   /**
  87    * @} // ConfigKeyService_Inherited_h
  88    */
  89 };
  90
  91 #endif // CEPH_MON_CONFIG_KEY_SERVICE_H