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Zabbix plugin
=============
The Zabbix plugin actively sends information to a Zabbix server like:
- Ceph status
- I/O operations
- I/O bandwidth
- OSD status
- Storage utilization
Requirements
------------
The plugin requires that the *zabbix_sender* executable is present on *all*
machines running ceph-mgr. It can be installed on most distributions using
the package manager.
Dependencies
^^^^^^^^^^^^
Installing zabbix_sender can be done under Ubuntu or CentOS using either apt
or dnf.
On Ubuntu Xenial:
::
apt install zabbix-agent
On Fedora:
::
dnf install zabbix-sender
Enabling
--------
Add this to your ceph.conf on nodes where you run ceph-mgr:
::
[mgr]
mgr modules = zabbix
If you use any other ceph-mgr modules, make sure they're in the list too.
Restart the ceph-mgr daemon after modifying the setting to load the module.
Configuration
-------------
Two configuration keys are mandatory for the module to work:
- mgr/zabbix/zabbix_host
- mgr/zabbix/identifier
The parameter *zabbix_host* controls the hostname of the Zabbix server to which
*zabbix_sender* will send the items. This can be a IP-Address if required by
your installation.
The *identifier* parameter controls the identifier/hostname to use as source
when sending items to Zabbix. This should match the name of the *Host* in
your Zabbix server.
Additional configuration keys which can be configured and their default values:
- mgr/zabbix/zabbix_port: 10051
- mgr/zabbix/zabbix_sender: /usr/bin/zabbix_sender
- mgr/zabbix/interval: 60
Configuration keys
^^^^^^^^^^^^^^^^^^^
Configuration keys can be set on any machine with the proper cephx credentials,
these are usually Monitors where the *client.admin* key is present.
::
ceph config-key set <key> <value>
For example:
::
ceph config-key set mgr/zabbix/zabbix_host zabbix.localdomain
ceph config-key set mgr/zabbix/identifier ceph.eu-ams02.local
Debugging
---------
Should you want to debug the Zabbix module increase the logging level for
ceph-mgr and check the logs.
::
[mgr]
debug mgr = 20
With logging set to debug for the manager the plugin will print various logging
lines prefixed with *mgr[zabbix]* for easy filtering.
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