Host name validation errors - route must be no more than 63 characters
Issue
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We're seeing this error from the OpenShift router:
E1003 14:27:04.374282 1 router_controller.go:311] host name validation errors: spec.host: Invalid value: "inv-dev-eods-portfolio-reference-publisher-adapter-olyra-110-34-208.test.example.com": must be no more than 63 characters
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Some of our applications have very long names, and when prefixed with namespace and domain, it gets even longer and exceeds 63 chars limit for host names in OpenShift.
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Why 63 bytes of limit on DNS label is imposed?
Environment
- Red Hat OpenShift Container Platform
- 3.x
- 4.x
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