From 2b7ac440ab4e3b6e91e36431e69289123049ae7b Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Tue, 29 Oct 2019 14:03:24 -0500
Subject: [PATCH] mgr/telemetry: include fs size (files, bytes, snaps)

Signed-off-by: Sage Weil <sage@redhat.com>
---
 PendingReleaseNotes                |  3 ++-
 src/pybind/mgr/telemetry/module.py | 15 ++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/PendingReleaseNotes b/PendingReleaseNotes
index fae9df36040..98ea6464843 100644
--- a/PendingReleaseNotes
+++ b/PendingReleaseNotes
@@ -199,7 +199,8 @@
     - which features are (or have been) enabled
     - how many data pools
     - approximate file system age (year + month of creation)
-    - how much metadata is being cached per file system
+    - how many files, bytes, and snapshots
+    - how much metadata is being cached
 
   We have also added:
 
diff --git a/src/pybind/mgr/telemetry/module.py b/src/pybind/mgr/telemetry/module.py
index 2e725bceb3e..911a2077dd9 100644
--- a/src/pybind/mgr/telemetry/module.py
+++ b/src/pybind/mgr/telemetry/module.py
@@ -51,7 +51,7 @@ REVISION = 3
 #   - added device health metrics (i.e., SMART data, minus serial number)
 #   - remove crush_rule
 #   - added CephFS metadata (how many MDSs, fs features, how many data pools,
-#     how much metadata is cached)
+#     how much metadata is cached, rfiles, rbytes, rsnapshots)
 #   - added more pool metadata (rep vs ec, cache tiering mode, ec profile)
 #   - added host count, and counts for hosts with each of (mon, osd, mds, mgr)
 #   - whether an OSD cluster network is in use
@@ -486,6 +486,9 @@ class Module(MgrModule):
                 cached_dn = 0
                 cached_cap = 0
                 subtrees = 0
+                rfiles = 0
+                rbytes = 0
+                rsnaps = 0
                 for gid, mds in fs['info'].items():
                     num_sessions += self.get_latest('mds', mds['name'],
                                                     'mds_sessions.session_count')
@@ -497,6 +500,13 @@ class Module(MgrModule):
                                                   'mds_mem.cap')
                     subtrees += self.get_latest('mds', mds['name'],
                                                 'mds.subtrees')
+                    if mds['rank'] == 0:
+                        rfiles = self.get_latest('mds', mds['name'],
+                                                 'mds.root_rfiles')
+                        rbytes = self.get_latest('mds', mds['name'],
+                                                 'mds.root_rbytes')
+                        rsnaps = self.get_latest('mds', mds['name'],
+                                                 'mds.root_rsnaps')
                 report['fs']['filesystems'].append({
                     'max_mds': fs['max_mds'],
                     'ever_allowed_features': fs['ever_allowed_features'],
@@ -516,6 +526,9 @@ class Module(MgrModule):
                     'num_data_pools': len(fs['data_pools']),
                     'standby_count_wanted': fs['standby_count_wanted'],
                     'approx_ctime': fs['created'][0:7],
+                    'files': rfiles,
+                    'bytes': rbytes,
+                    'snaps': rsnaps,
                 })
                 num_mds += len(fs['info'])
             report['fs']['total_num_mds'] = num_mds
-- 
2.39.5