ceph-pools-audit is executing an invalid command

[Bob Church]

Brief Description
-----------------
After Ceph Mimic upgrade ceph-pools-audit is failing as it is executing a
Ceph Jewel command.

Severity
--------
Major: Pool replication factor changes for rados-gw pools will not be adjusted.

Steps to Reproduce
------------------
Install AIO-SX. View the logs of the completed ceph-pools-audit pod

Expected Behavior
------------------
Check for pool name: kube-rbd
++ ceph osd pool get kube-rbd crush_rule
++ awk '{print $2}'
+ pool_rule=storage_tier_ruleset

Actual Behavior
----------------
Check for pool name: kube-rbd
Invalid command: crush_ruleset not in size|min_size|pg_num|pgp_num|crush_rule|
hashpspool|nodelete|nopgchange|nosizechange|write_fadvise_dontneed|noscrub|
nodeep-scrub|hit_set_type|hit_set_period|hit_set_count|hit_set_fpp|
use_gmt_hitset|auid|target_max_objects|target_max_bytes|
cache_target_dirty_ratio|cache_target_dirty_high_ratio|cache_target_full_ratio|
cache_min_flush_age|cache_min_evict_age|erasure_code_profile|
min_read_recency_for_promote|all|min_write_recency_for_promote|fast_read|
hit_set_grade_decay_rate|hit_set_search_last_n|scrub_min_interval|
scrub_max_interval|deep_scrub_interval|recovery_priority|recovery_op_priority|
scrub_priority|compression_mode|compression_algorithm|
compression_required_ratio|compression_max_blob_size|
compression_min_blob_size|csum_type|csum_min_block|csum_max_block|
allow_ec_overwrites

Reproducibility
---------------
100%

System Configuration
--------------------
All configurations

Branch/Pull Time/Commit
-----------------------
Master branch, private build, from:
BUILD_DATE="2019-05-10 19:21:21 -0400"

Last Pass
---------
Worked prior to Ceph upgrade

Timestamp/Logs
--------------
See behavior above pulled from the logs

Test Activity
-------------
Developer Testing

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/658724

[Ghada Khalil (gkhalil)]

Marking as release gating; related to ceph upgrade

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/658724
Committed: https://git.openstack.org/cgit/starlingx/config/commit/?id=f0d520105d011d5794ca9522bf9334f9eb69646b
Submitter: Zuul
Branch: master

commit f0d520105d011d5794ca9522bf9334f9eb69646b
Author: Robert Church <email address hidden>
Date: Sun May 12 00:32:06 2019 -0400

    Fix ceph-pools-audit chart for Ceph Mimic

    Update the chart to get the 'crush_rule' for various pools instead of
    the Jewel compliant 'crush_ruleset'

    Further chart clean up is done to be bashate compliant and also provide
    cleaner logging.

    Change-Id: I37186fa3e78ebc63f27fd43b373f9e82004199de
    Closes-Bug: #1828760
    Signed-off-by: Robert Church <email address hidden>