1 files changed, 24 insertions, 0 deletions
diff --git a/src/mgr/DaemonKey.h b/src/mgr/DaemonKey.h
new file mode 100644
index 000000000..92bacd649
--- /dev/null
+++ b/src/mgr/DaemonKey.h
@@ -0,0 +1,24 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#pragma once
+
+#include <ostream>
+#include <string>
+#include <utility>
+
+// Unique reference to a daemon within a cluster
+struct DaemonKey
+{
+  std::string type; // service type, like "osd", "mon"
+  std::string name; // service id / name, like "1", "a"
+  static std::pair<DaemonKey, bool> parse(const std::string& s);
+};
+
+bool operator<(const DaemonKey& lhs, const DaemonKey& rhs);
+std::ostream& operator<<(std::ostream& os, const DaemonKey& key);
+
+namespace ceph {
+  std::string to_string(const DaemonKey& key);
+}
+