SELinux problem perhaps?

On Mon, Oct 7, 2019, 3:16 AM <i.schmidt@langeoog.de> wrote:
Hi Folks

We are using Ceph as our storage backend on our 6 Node Proxmox VM Cluster. To Monitor our systems we use Zabbix and i would like to get some Ceph Data into our Zabbix to get some alarms when something goes wrong.

Ceph mgr has a module, "zabbix" that uses "zabbix-sender" to actively send data, but i cannot get the module working. It always responds with "failed to send data"

The network side seems to be fine:

root@vm-2:~# traceroute 192.168.15.253
traceroute to 192.168.15.253 (192.168.15.253), 30 hops max, 60 byte packets
 1  192.168.15.253 (192.168.15.253)  0.411 ms  0.402 ms  0.393 ms
root@vm-2:~# nmap -p 10051 192.168.15.253
Starting Nmap 7.70 ( https://nmap.org ) at 2019-09-18 08:40 CEST
Nmap scan report for 192.168.15.253
Host is up (0.00026s latency).

PORT      STATE SERVICE
10051/tcp open  zabbix-trapper
MAC Address: BA:F5:30:EF:40:EF (Unknown)

Nmap done: 1 IP address (1 host up) scanned in 0.61 seconds
root@vm-2:~# ceph zabbix config-show
{"zabbix_port": 10051, "zabbix_host": "192.168.15.253", "identifier": "VM-2", "zabbix_sender": "/usr/bin/zabbix_sender", "interval": 60}
root@vm-2:~#

But if i try "ceph zabbix send" i get "failed to send data to zabbix" and this show up in the systems journal:
Sep 18 08:41:13 vm-2 ceph-mgr[54445]: 2019-09-18 08:41:13.272 7fe360fe4700 -1 mgr.server reply reply (1) Operation not permitted

The log of ceph-mgr on that machine states:
2019-09-18 08:42:18.188 7fe359fd6700  0 mgr[zabbix] Exception when sending: /usr/bin/zabbix_sender exited non-zero: zabbix_sender [3253392]: DEBUG: answer [{"response":"success","info":"processed: 0; failed: 44; total: 44; seconds spent: 0.000179"}]
2019-09-18 08:43:18.217 7fe359fd6700  0 mgr[zabbix] Exception when sending: /usr/bin/zabbix_sender exited non-zero: zabbix_sender [3253629]: DEBUG: answer [{"response":"success","info":"processed: 0; failed: 44; total: 44; seconds spent: 0.000321"}]

I'm guessing, this could have something to do with user rights. But i have no idea where to start to track this down.

Maybe someone here has a hint?
If more information is needed, i will gladly provide it.

greetings
Ingo
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