mon/PGMap: add pg count for pools in the ceph df command

[vumrao]

mon/PGMap: add pg count for pools in the ceph df command
Fixes: https://tracker.ceph.com/issues/46663

Signed-off-by: Vikhyat Umrao vikhyat@redhat.com

[vumrao]

• From the vstart cluster.

[vikhyat@redhat build]$ bin/ceph df
*** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH ***
2020-08-26T03:23:13.071-0700 7fa992b24700 -1 WARNING: all dangerous and experimental features are enabled.
2020-08-26T03:23:13.087-0700 7fa992b24700 -1 WARNING: all dangerous and experimental features are enabled.
--- RAW STORAGE ---
CLASS  SIZE     AVAIL    USED     RAW USED  %RAW USED
ssd    303 GiB  300 GiB  3.0 GiB   3.0 GiB       0.99
TOTAL  303 GiB  300 GiB  3.0 GiB   3.0 GiB       0.99
 
--- POOLS ---
POOL                   ID  PGS  STORED   OBJECTS  USED     %USED  MAX AVAIL
device_health_metrics   1    1      0 B        1      0 B      0     99 GiB
cephfs.a.meta           2   32  2.2 KiB       22   96 KiB      0     99 GiB
cephfs.a.data           3   32      0 B        0      0 B      0     99 GiB
.rgw.root               4   32  1.3 KiB        4   48 KiB      0     99 GiB
default.rgw.log         5   32  3.4 KiB      206  384 KiB      0     99 GiB
default.rgw.control     6   32      0 B        8      0 B      0     99 GiB
default.rgw.meta        7    8  2.6 KiB       14  168 KiB      0     99 GiB

[vikhyat@redhat build]$ bin/ceph osd pool ls detail
*** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH ***
2020-08-26T03:23:48.676-0700 7fd0c8603700 -1 WARNING: all dangerous and experimental features are enabled.
2020-08-26T03:23:48.699-0700 7fd0c8603700 -1 WARNING: all dangerous and experimental features are enabled.
pool 1 'device_health_metrics' replicated size 3 min_size 1 crush_rule 0 object_hash rjenkins pg_num 1 pgp_num 1 autoscale_mode on last_change 10 flags hashpspool stripe_width 0 pg_num_min 1 application mgr_devicehealth
pool 2 'cephfs.a.meta' replicated size 3 min_size 1 crush_rule 0 object_hash rjenkins pg_num 32 pgp_num 32 autoscale_mode on last_change 23 flags hashpspool stripe_width 0 pg_autoscale_bias 4 pg_num_min 16 recovery_priority 5 application cephfs
pool 3 'cephfs.a.data' replicated size 3 min_size 1 crush_rule 0 object_hash rjenkins pg_num 32 pgp_num 32 autoscale_mode on last_change 24 flags hashpspool stripe_width 0 application cephfs
pool 4 '.rgw.root' replicated size 3 min_size 1 crush_rule 0 object_hash rjenkins pg_num 32 pgp_num 32 autoscale_mode on last_change 26 flags hashpspool stripe_width 0 application rgw
pool 5 'default.rgw.log' replicated size 3 min_size 1 crush_rule 0 object_hash rjenkins pg_num 32 pgp_num 32 autoscale_mode on last_change 28 flags hashpspool stripe_width 0 application rgw
pool 6 'default.rgw.control' replicated size 3 min_size 1 crush_rule 0 object_hash rjenkins pg_num 32 pgp_num 32 autoscale_mode on last_change 30 flags hashpspool stripe_width 0 application rgw
pool 7 'default.rgw.meta' replicated size 3 min_size 1 crush_rule 0 object_hash rjenkins pg_num 8 pgp_num 8 autoscale_mode on last_change 142 lfor 0/142/140 flags hashpspool stripe_width 0 pg_autoscale_bias 4 pg_num_min 8 application rgw

[neha-ojha]

@vumrao we should add a note about this in PendingReleaseNotes

[vumrao]

Thanks @neha-ojha done.

[tchaikov]

• https://pulpito.ceph.com/kchai-2020-08-29_04:43:21-rados-wip-kefu-testing-2020-08-29-1106-distro-basic-smithi/
• https://pulpito.ceph.com/kchai-2020-08-29_13:54:19-rados-wip-kefu-testing-2020-08-29-1945-distro-basic-smithi/
• https://pulpito.ceph.com/kchai-2020-08-31_03:26:38-rados-wip-kefu-testing-2020-08-31-0934-distro-basic-smithi/

failures tracked by

• https://tracker.ceph.com/issues/47179

[vumrao]

thank you @tchaikov.