Reporting::Get a list of plugins installed but NEVER used

Question

Is there a way, in a EPP-licenced version (or the limited free version), to know which installed plugins are UNUSED?

Is there also a way to find a list of all USED plugins?

Looking for any hint!

What I’m exploring:

I’m guessing it may be useful to check the Databases; the config database “centreon” or the information related to performance data in the “centreon_storage” database. But I don’t yet know if any table holds information on plugins.

Or maybe their is a simple RestAPI or CLAPI query that could provide information close to what I’m looking for? A strategy I’m exploring is finding host/services templates that are used using CLAPI, then finding their associated plugins via some other requests:
```
# Host templates
centreon -a admin -p password -e |grep "HOST;addtemplate"
# Service templates
centreon -a admin -p password -e |grep "SERVICE;ADD"
```

Or maybe start by listing the content of all installed plugin packages, the look for the templates, and checks usage at other places:
```
repoquery --installed -l centreon-pack-*
```

I’m looking for the simplest solution really.

Centreon version 22.04

icon

Best answer by uneric1 28 November 2022, 22:52

View original

uneric1 · Accepted Answer

@LaurentGood to know; thanks for the information.Since Centreon does not offer any ready made tools for extracting plugins utilization statistics, I have opted to reconstitute it from the database.I have identified the tables that store information related to plugins: it’s themod_ppm_* tables.For instance, themod_ppm_pluginpack_host, mod_ppm_pluginpack_serviceandmod_ppm_host_service_relation tables have useful information about which commands belong to which plugins and which hosts or services have been discovered by a plugins, or have a plugin applied to them.My approach will be to build SQL queries that combine information from these mod_ppm_* tables and the tables storing performance data and metrics (data_bin, metrics, index_data) to come up with the utilization statistics of the installed plugins.I think I’m going towork with that for the time being. I might update this thread once I have built some satisfactorySQL queries.

Laurent · Answer

Hi @uneric1I think their is not easy way to do this.Since latest version of Centreon, Centreon Plugins will be installed on demand when you export resources to a poller.

Reporting::Get a list of plugins installed but NEVER used

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