[jira] [Created] (JCLOUDS-657) createNodesInGroup fails on GCE if there are existing instances which fail name validation

["Sunil Shah (JIRA)" <ji...@apache.org>]

Sunil Shah created JCLOUDS-657:
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             Summary: createNodesInGroup fails on GCE if there are existing instances which fail name validation
                 Key: JCLOUDS-657
                 URL: https://issues.apache.org/jira/browse/JCLOUDS-657
             Project: jclouds
          Issue Type: Bug
          Components: jclouds-labs-google
    Affects Versions: 1.7.3
            Reporter: Sunil Shah


JClouds provisioning fails when we try to create nodes in a GCE project that has one or more existing instances with names of the format "ss-production" - where ss is any two letter string and production is any string. 

These are valid instance names in GCE but fail JClouds validation - which seems to split on the hyphen and requires individual components to be greater than 3 characters.  

A full stack trace is here:
https://gist.github.com/ssk2/853ba032135c60621a9a

I think the offending logic is in this method: https://github.com/jclouds/jclouds-labs-google/blob/master/google-compute-engine/src/main/java/org/jclouds/googlecomputeengine/compute/functions/InstanceInZoneToNodeMetadata.java#L82 - which iterates over all groups. 

To fix, I think it'd be necessary to change how validation happens to validate on the entire name.



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