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https://issues.apache.org/jira/browse/WHIRR-672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13481730#comment-13481730
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Graham Gear commented on WHIRR-672:
-----------------------------------
Attached an example implementation:
https://issues.apache.org/jira/secure/attachment/12550341/WHIRR-672_VERSION_1.patch
This patch helps both the development of WHIRR-671 and
https://github.com/cloudera/whirr-cm.
> Allow eager caching of instance hostname based on pre-provision instance
> metadata
> ----------------------------------------------------------------------------------
>
> Key: WHIRR-672
> URL: https://issues.apache.org/jira/browse/WHIRR-672
> Project: Whirr
> Issue Type: Improvement
> Components: core
> Reporter: Graham Gear
> Assignee: Graham Gear
> Priority: Minor
> Attachments: WHIRR-672_VERSION_1.patch
>
>
> Allow eager caching of instance hostname based on pre-provision instance
> metadata.
> This would be nice when running the dry run test-harness against services
> which require host name lookups, avoiding long blocking timeouts on DNS with
> nonexistent hostnames, dramatically improving unit test run times.
> It is expected this pre-cache will only be executed by non-production code
> paths, eg unit tests.
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