Improve labels value check #186
Description
/kind feature
Describe the solution you'd like
CCM creates labels (like topology) based on prism information like categories or PC/PE name; if the value doesn't respect the correct syntax, CCM reconciliation fails in a loop, the node is never initialized, and CCM continues to run forever, letting the cluster not ready.
Valid label value are:
- must be 63 characters or less (can be empty),
- unless empty, must begin and end with an alphanumeric character ([a-z0-9A-Z]),
- could contain dashes (-), underscores (_), dots (.), and alphanumerics between.