From 11891383aebf73568c044485dffb7c3de12eeeb5 Mon Sep 17 00:00:00 2001
From: Mykola Golub <mgolub@mirantis.com>
Date: Mon, 29 Dec 2014 10:05:28 +0200
Subject: [PATCH] mon: make ceph tell mon.* version work

Fixes: #6767
Signed-off-by: Mykola Golub <mgolub@mirantis.com>
---
 qa/workunits/cephtool/test.sh |  1 -
 src/mon/MonCommands.h         |  1 +
 src/mon/Monitor.cc            | 12 ++++++++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/qa/workunits/cephtool/test.sh b/qa/workunits/cephtool/test.sh
index aa325e80d68..0aad890b844 100755
--- a/qa/workunits/cephtool/test.sh
+++ b/qa/workunits/cephtool/test.sh
@@ -1055,7 +1055,6 @@ function test_mon_pg()
   #
   ceph tell osd.0 version
   expect_false ceph tell osd.9999 version 
-  expect_false ceph tell osd.foo version
 
   # back to pg stuff
 
diff --git a/src/mon/MonCommands.h b/src/mon/MonCommands.h
index 4e3a01b8232..a7c6ca03600 100644
--- a/src/mon/MonCommands.h
+++ b/src/mon/MonCommands.h
@@ -227,6 +227,7 @@ COMMAND("tell " \
 	"name=target,type=CephName " \
 	"name=args,type=CephString,n=N", \
 	"send a command to a specific daemon", "mon", "rw", "cli,rest")
+COMMAND("version", "show mon daemon version", "mon", "r", "cli,rest")
 
 /*
  * MDS commands (MDSMonitor.cc)
diff --git a/src/mon/Monitor.cc b/src/mon/Monitor.cc
index 52753a62fb4..78e2061fe6b 100644
--- a/src/mon/Monitor.cc
+++ b/src/mon/Monitor.cc
@@ -2683,6 +2683,18 @@ void Monitor::handle_command(MMonCommand *m)
       rs = "needs a valid 'quorum' command";
       r = -EINVAL;
     }
+  } else if (prefix == "version") {
+    if (f) {
+      f->open_object_section("version");
+      f->dump_string("version", pretty_version_to_str());
+      f->close_section();
+      f->flush(ds);
+    } else {
+      ds << pretty_version_to_str();
+    }
+    rdata.append(ds);
+    rs = "";
+    r = 0;
   }
 
  out: