NRPE: check_ceph_status raised unknown exception '<class 'KeyError'>'

[Nobuto Murata]

Looks like there is no key as status_data['health']['summary'] at least with Luminous.

[nagios status]
juju-juju-c9bc68-0-lxd-2-ceph

 UNKNOWN 2018-03-19 11:35:41 0d 3h 9m 29s 4/4 check_ceph_status raised unknown exception '<class 'KeyError'>'

# /usr/local/lib/nagios/plugins/check_ceph_status.py -f /var/lib/nagios/cat-ceph-status.txt --degraded_thresh 1 --misplaced_thresh 10 --recovery_rate 1
check_ceph_status raised unknown exception '<class 'KeyError'>'
============================================================
Traceback (most recent call last):
  File "/usr/local/lib/nagios/plugins/check_ceph_status.py", line 183, in main
    msg = check_ceph_status(args)
  File "/usr/local/lib/nagios/plugins/check_ceph_status.py", line 117, in check_ceph_status
    for status in status_data['health']['summary']:
KeyError: 'summary'
============================================================

# ceph --version
ceph version 12.2.1 (3e7492b9ada8bdc9a5cd0feafd42fbca27f9c38e) luminous (stable)

# ceph status --format json-pretty | head -n 20

{
    "fsid": "e20740ce-2b4c-11e8-af92-00163e532d94",
    "health": {
        "checks": {},
        "status": "HEALTH_OK",
        "overall_status": "HEALTH_WARN"
    },
    "election_epoch": 10,
    "quorum": [
        0,
        1,
        2
    ],
    "quorum_names": [
        "juju-c9bc68-0-lxd-2",
        "juju-c9bc68-1-lxd-2",
        "juju-c9bc68-12-lxd-2"
    ],
    "monmap": {

[Nobuto Murata (nobuto)]

Looks like https://review.openstack.org/#/c/562133/ tries to address this one as well. So marking it as a duplicate.