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https://issues.apache.org/jira/browse/STORM-3131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Joseph Evans resolved STORM-3131.
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Resolution: Fixed
Fix Version/s: 2.0.0
Thanks [~ethanli],
I merged this into master
> Support hostname-substitution for blobstore.hdfs.principal
> ----------------------------------------------------------
>
> Key: STORM-3131
> URL: https://issues.apache.org/jira/browse/STORM-3131
> Project: Apache Storm
> Issue Type: Improvement
> Reporter: Ethan Li
> Assignee: Ethan Li
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> We can have something like
> {code:java}
> public static String getBlobstoreHDFSPrincipal(Map conf) throws
> UnknownHostException {
> String principal = (String)conf.get(Config.BLOBSTORE_HDFS_PRINCIPAL);
> if (principal != null) {
> principal = principal.replace("HOSTNAME", Utils.localHostname());
> }
> return principal;
> }
> {code}
> So it will be easier to deploy storm. Instead of setting different principal
> on every node, we can have the same principal headless_user/HOSTNAME@DOMAIN
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