ceph/src/rgw/services/svc_zone.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab ft=cpp
   3
   4 #pragma once
   5
   6 #include "rgw/rgw_service.h"
   7
   8
   9 class RGWSI_RADOS;
  10 class RGWSI_SysObj;
  11 class RGWSI_SyncModules;
  12 class RGWSI_Bucket_Sync;
  13
  14 class RGWRealm;
  15 class RGWZoneGroup;
  16 class RGWZone;
  17 class RGWZoneParams;
  18 class RGWPeriod;
  19 class RGWZonePlacementInfo;
  20
  21 class RGWBucketSyncPolicyHandler;
  22
  23 class RGWRESTConn;
  24
  25 struct rgw_sync_policy_info;
  26
  27 class RGWSI_Zone : public RGWServiceInstance
  28 {
  29   friend struct RGWServices_Def;
  30
  31   RGWSI_SysObj *sysobj_svc{nullptr};
  32   RGWSI_RADOS *rados_svc{nullptr};
  33   RGWSI_SyncModules *sync_modules_svc{nullptr};
  34   RGWSI_Bucket_Sync *bucket_sync_svc{nullptr};
  35
  36   RGWRealm *realm{nullptr};
  37   RGWZoneGroup *zonegroup{nullptr};
  38   RGWZone *zone_public_config{nullptr}; /* external zone params, e.g., entrypoints, log flags, etc. */
  39   RGWZoneParams *zone_params{nullptr}; /* internal zone params, e.g., rados pools */
  40   RGWPeriod *current_period{nullptr};
  41   rgw_zone_id cur_zone_id;
  42   uint32_t zone_short_id{0};
  43   bool writeable_zone{false};
  44   bool exports_data{false};
  45
  46   std::shared_ptr<RGWBucketSyncPolicyHandler> sync_policy_handler;
  47   std::map<rgw_zone_id, std::shared_ptr<RGWBucketSyncPolicyHandler> > sync_policy_handlers;
  48
  49   RGWRESTConn *rest_master_conn{nullptr};
  50   map<rgw_zone_id, RGWRESTConn *> zone_conn_map;
  51   std::vector<const RGWZone*> data_sync_source_zones;
  52   map<rgw_zone_id, RGWRESTConn *> zone_data_notify_to_map;
  53   map<string, RGWRESTConn *> zonegroup_conn_map;
  54
  55   map<string, rgw_zone_id> zone_id_by_name;
  56   map<rgw_zone_id, RGWZone> zone_by_id;
  57
  58   std::unique_ptr<rgw_sync_policy_info> sync_policy;
  59
  60   void init(RGWSI_SysObj *_sysobj_svc,
  61             RGWSI_RADOS *_rados_svc,
  62             RGWSI_SyncModules *_sync_modules_svc,
  63             RGWSI_Bucket_Sync *_bucket_sync_svc);
  64   int do_start(optional_yield y) override;
  65   void shutdown() override;
  66
  67   int replace_region_with_zonegroup(optional_yield y);
  68   int init_zg_from_period(bool *initialized, optional_yield y);
  69   int init_zg_from_local(bool *creating_defaults, optional_yield y);
  70   int convert_regionmap(optional_yield y);
  71
  72   int update_placement_map(optional_yield y);
  73 public:
  74   RGWSI_Zone(CephContext *cct);
  75   ~RGWSI_Zone();
  76
  77   const RGWZoneParams& get_zone_params() const;
  78   const RGWPeriod& get_current_period() const;
  79   const RGWRealm& get_realm() const;
  80   const RGWZoneGroup& get_zonegroup() const;
  81   int get_zonegroup(const string& id, RGWZoneGroup& zonegroup) const;
  82   const RGWZone& get_zone() const;
  83
  84   std::shared_ptr<RGWBucketSyncPolicyHandler> get_sync_policy_handler(std::optional<rgw_zone_id> zone = nullopt) const;
  85
  86   const string& zone_name() const;
  87   const rgw_zone_id& zone_id() const {
  88     return cur_zone_id;
  89   }
  90   uint32_t get_zone_short_id() const;
  91
  92   const string& get_current_period_id() const;
  93   bool has_zonegroup_api(const std::string& api) const;
  94
  95   bool zone_is_writeable();
  96   bool zone_syncs_from(const RGWZone& target_zone, const RGWZone& source_zone) const;
  97   bool get_redirect_zone_endpoint(string *endpoint);
  98   bool sync_module_supports_writes() const { return writeable_zone; }
  99   bool sync_module_exports_data() const { return exports_data; }
 100
 101   RGWRESTConn *get_master_conn() {
 102     return rest_master_conn;
 103   }
 104
 105   map<string, RGWRESTConn *>& get_zonegroup_conn_map() {
 106     return zonegroup_conn_map;
 107   }
 108
 109   map<rgw_zone_id, RGWRESTConn *>& get_zone_conn_map() {
 110     return zone_conn_map;
 111   }
 112
 113   std::vector<const RGWZone*>& get_data_sync_source_zones() {
 114     return data_sync_source_zones;
 115   }
 116
 117   map<rgw_zone_id, RGWRESTConn *>& get_zone_data_notify_to_map() {
 118     return zone_data_notify_to_map;
 119   }
 120
 121   bool find_zone(const rgw_zone_id& id, RGWZone **zone);
 122
 123   RGWRESTConn *get_zone_conn(const rgw_zone_id& zone_id);
 124   RGWRESTConn *get_zone_conn_by_name(const string& name);
 125   bool find_zone_id_by_name(const string& name, rgw_zone_id *id);
 126
 127   int select_bucket_placement(const RGWUserInfo& user_info, const string& zonegroup_id,
 128                               const rgw_placement_rule& rule,
 129                               rgw_placement_rule *pselected_rule, RGWZonePlacementInfo *rule_info, optional_yield y);
 130   int select_legacy_bucket_placement(RGWZonePlacementInfo *rule_info, optional_yield y);
 131   int select_new_bucket_location(const RGWUserInfo& user_info, const string& zonegroup_id,
 132                                  const rgw_placement_rule& rule,
 133                                  rgw_placement_rule *pselected_rule_name, RGWZonePlacementInfo *rule_info,
 134                                  optional_yield y);
 135   int select_bucket_location_by_rule(const rgw_placement_rule& location_rule, RGWZonePlacementInfo *rule_info, optional_yield y);
 136
 137   int add_bucket_placement(const rgw_pool& new_pool, optional_yield y);
 138   int remove_bucket_placement(const rgw_pool& old_pool, optional_yield y);
 139   int list_placement_set(set<rgw_pool>& names, optional_yield y);
 140
 141   bool is_meta_master() const;
 142
 143   bool need_to_sync() const;
 144   bool need_to_log_data() const;
 145   bool need_to_log_metadata() const;
 146   bool can_reshard() const;
 147   bool is_syncing_bucket_meta(const rgw_bucket& bucket);
 148
 149   int list_zonegroups(list<string>& zonegroups);
 150   int list_regions(list<string>& regions);
 151   int list_zones(list<string>& zones);
 152   int list_realms(list<string>& realms);
 153   int list_periods(list<string>& periods);
 154   int list_periods(const string& current_period, list<string>& periods, optional_yield y);
 155 };