Comment 9 for bug 1880579

UPDATE
The external ceph configuration completes now but it fails right after with the following error. Any idea how to proceed?

TASK [tripleo_ceph_run_ansible : search output of ceph-ansible run(s) non-zero return codes] ******************************************************************************************************************
Friday 29 May 2020 12:21:35 +0000 (0:01:58.262) 0:19:24.058 ************
skipping: [undercloud] => (item=None)
skipping: [undercloud]

TASK [tripleo_ceph_run_ansible : print ceph-ansible output in case of failure] ********************************************************************************************************************************
Friday 29 May 2020 12:21:36 +0000 (0:00:00.837) 0:19:24.896 ************
skipping: [undercloud]

TASK [ceph : Check if ceph_mon is deployed] *******************************************************************************************************************************************************************
Friday 29 May 2020 12:21:36 +0000 (0:00:00.200) 0:19:25.096 ************
fatal: [undercloud]: UNREACHABLE! => {"changed": false, "msg": "Data could not be sent to remote host \"undercloud\". Make sure this host can be reached over ssh: ssh: Could not resolve hostname undercloud: Name or service not known\r\n", "unreachable": true}

PLAY RECAP ****************************************************************************************************************************************************************************************************
overcloud-controller-0 : ok=417 changed=196 unreachable=0 failed=0 skipped=208 rescued=0 ignored=0
overcloud-controller-1 : ok=411 changed=196 unreachable=0 failed=0 skipped=208 rescued=0 ignored=0
overcloud-controller-2 : ok=411 changed=196 unreachable=0 failed=0 skipped=208 rescued=0 ignored=0
overcloud-novacompute-0 : ok=291 changed=140 unreachable=0 failed=0 skipped=154 rescued=0 ignored=0
overcloud-novacompute-1 : ok=287 changed=140 unreachable=0 failed=0 skipped=154 rescued=0 ignored=0
overcloud-novacompute-2 : ok=287 changed=140 unreachable=0 failed=0 skipped=154 rescued=0 ignored=0
undercloud : ok=58 changed=19 unreachable=1 failed=0 skipped=75 rescued=0 ignored=0

Friday 29 May 2020 12:23:32 +0000 (0:01:56.284) 0:21:21.381 ************
===============================================================================
tripleo_ceph_run_ansible : run ceph-ansible ---------------------------------------------------------------------------------------------------------------------------------------------------------- 118.26s
ceph : Check if ceph_mon is deployed -----------------------------------------