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Version: 23.04

Troubleshooting host discovery issues

No more host discovery jobs appear in the Discovery page​

The Configuration > Hosts > Discovery page is blank and no longer displays the host discovery jobs.

Problem​

The following error occurs in the gorgoned.log file:

ERROR - [autodiscovery] -class- host discovery - cannot get host discovery jobs - request error [code: '500'] [message: 'Call to a member function getUuidAttributes() on null']

Solution​

Do not remove the Monitoring Connector then install it again!

You need to reinstall the corresponding Monitoring Connector using the reinstall button: image.

Host scan remains stuck in a scheduled state​

When a host scan is initiated, it remains blocked in a scheduled state.

Problem​

The following error occurs in the gorgoned.log file:

ERROR - [autodiscovery] -class- host discovery - cannot get platform versions - Login error [code: '401'] [message: 'Unauthorized']

Solution​

In the /etc/centreon-gorgone/config.d/31-centreon-api.yaml file, replace the base_url value with http://127.0.0.1/centreon/api/latest/

Additional checks​

  • Check that the user and password are correct in the /etc/centreon-gorgone/config.d/31-centreon-api.yaml file.

  • Check that the user specified in the /etc/centreon-gorgone/config.d/31-centreon-api.yaml file is accessing the API configuration. In Centreon interface, go to the Configuration > Users > Contacts / Users page. Then in the Centreon Authentication tab, check the Reach API Configuration field is set to Yes.

"No provider found" message appears when creating a host discovery task​

When clicking the ADD button in the Configuration > Hosts > Discovery page, a "No provider found" message is displayed in the wizard.

Checks​

  • Check the Auto Discovery module is up to date in the Administration > Extensions > Manager page.

  • Reinstall the corresponding Monitoring Connector using the reinstall button: image.