]> git.proxmox.com Git - ceph.git/blobdiff - ceph/src/mon/MgrMonitor.h
update sources to v12.2.1
[ceph.git] / ceph / src / mon / MgrMonitor.h
index 0dc1af571deeaaf9dcdf50789a5e9d14d823a307..563ae7c5de8de937626fdf2be61823809a7e6fb9 100644 (file)
 #ifndef CEPH_MGRMONITOR_H
 #define CEPH_MGRMONITOR_H
 
+#include <map>
+#include <set>
+
 #include "include/Context.h"
 #include "MgrMap.h"
 #include "PaxosService.h"
+#include "MonCommand.h"
 
 class MgrMonitor: public PaxosService
 {
@@ -24,6 +28,9 @@ class MgrMonitor: public PaxosService
   MgrMap pending_map;
   bool ever_had_active_mgr = false;
 
+  std::map<std::string, bufferlist> pending_metadata;
+  std::set<std::string>             pending_metadata_rm;
+
   utime_t first_seen_inactive;
 
   std::map<uint64_t, ceph::coarse_mono_clock::time_point> last_beacon;
@@ -36,7 +43,16 @@ class MgrMonitor: public PaxosService
    */
   bool promote_standby();
   void drop_active();
-  void drop_standby(uint64_t gid);
+
+  /**
+   * Remove this gid from the list of standbys.  By default,
+   * also remove metadata (i.e. forget the daemon entirely).
+   *
+   * Set `drop_meta` to false if you would like to keep
+   * the daemon's metadata, for example if you're dropping
+   * it as a standby before reinstating it as the active daemon.
+   */
+  void drop_standby(uint64_t gid, bool drop_meta=true);
 
   Context *digest_event = nullptr;
   void cancel_timer();
@@ -45,6 +61,10 @@ class MgrMonitor: public PaxosService
 
   health_status_t should_warn_about_mgr_down();
 
+  // Command descriptions we've learned from the active mgr
+  std::vector<MonCommand> command_descs;
+  std::vector<MonCommand> pending_command_descs;
+
 public:
   MgrMonitor(Monitor *mn, Paxos *p, const string& service_name)
     : PaxosService(mn, p, service_name)
@@ -88,6 +108,14 @@ public:
 
   void print_summary(Formatter *f, std::ostream *ss) const;
 
+  const std::vector<MonCommand> &get_command_descs() const;
+
+  int load_metadata(const string& name, std::map<string, string>& m,
+                   ostream *err);
+  int dump_metadata(const string& name, Formatter *f, ostream *err);
+  void count_metadata(const string& field, Formatter *f);
+  void count_metadata(const string& field, std::map<string,int> *out);
+
   friend class C_Updated;
 };