Werk #14771: Fix ping endpoint for InfluxDB

Component Core & setup
Title Fix ping endpoint for InfluxDB
Date Aug 26, 2022
Checkmk Editon Checkmk Enterprise (CEE)
Checkmk Version 2.2.0i1 2.1.0p11
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

The InfluxDB connector checks whether a connection is possible over the "ping" endpoint.

Before, the connector erroneously used the /api/v2/ping endpoint, which has stopped working in recent versions of the API. Now, it correctly uses the documented /ping endpoint.

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