Werk #22144: omd: Don't report errors about uninitialized sites

Component	Site management
Title	omd: Don't report errors about uninitialized sites
Date	Aug 13, 2026
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	3.0.0b1 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.5.0p12 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.4.0p36 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT

When omd picks a port for a site, it scans the configuration of all other sites to find a free one.

Sites that have no configuration at all no longer trigger a message. This used to hit sites created with omd create --no-init, which were reported as unreadable although a site without a configuration allocates no ports and can therefore never collide.

The error message was also reworked. If a site's configuration genuinely cannot be read, omd now says so exactly once per invocation:

WARNING: Cannot read the configuration of site(s) mysite: permission denied.
         This site may allocate ports used by those sites.

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