Hello,
I have a small cluster deployed with ceph-ansible on containers.
Recently, without realizing that ceph_docker_image_tag was set to latest
by default, the cluster got upgraded to nautilus and I was unable to
roll back.
Everything seems to be running smoothly except for the dashboard.
$ ceph status
cluster:
id: d5c50302-0d8e-47cb-ab86-c15842372900
health: HEALTH_ERR
Module 'dashboard' has failed: IOError("Port 8443 not free
on '::'",)
[...]
I already have a service running on port 8443 and I don't need SSL so I ran:
ceph config set mgr mgr/dashboard/ssl false
and
ceph config set mgr mgr/dashboard/server_port <myport>
according to the docs, to change this behavior.
Running `ceph config dump` returns the following:
WHO MASK LEVEL OPTION VALUE RO
mgr advanced mgr/dashboard/server_port 8088 *
mgr advanced mgr/dashboard/ssl false *
By dumping the configuration I found that 2 keys were present:
$ ceph config-key dump
{
[...]
"config/mgr/mgr/dashboard/server_port": "8088",
"config/mgr/mgr/dashboard/ssl": "false",
"config/mgr/mgr/dashboard/username": "devster",
"mgr/dashboard/key": "<certificate>",
"mgr/dashboard/crt": "<certificate>"
}
which likely are the SSL certificates. I deleted them, disabled the
module and re-enabled it, however the following happened:
$ ceph status
cluster:
id: d5c50302-0d8e-47cb-ab86-c15842372900
health: HEALTH_OK
[...]
$ ceph mgr module ls | jq .enabled_modules
[
"dashboard",
"iostat",
"prometheus",
"restful"
]
$ ceph mgr services
{
"prometheus": "http://localhost:9283/";
}
Dashboard seems enabled but unavailable.
What am I missing?
Thank you.
Daniele
P.S. what is the difference between `ceph config` and `ceph config-key`?
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