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https://issues.apache.org/jira/browse/HDDS-17137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-17137:
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Labels: pull-request-available (was: )
> Bracket IPv6 literals in the SCM web UI datanode link and Docker entrypoint
> WAITFOR
> -----------------------------------------------------------------------------------
>
> Key: HDDS-17137
> URL: https://issues.apache.org/jira/browse/HDDS-17137
> Project: Apache Ozone
> Issue Type: Task
> Reporter: Siyao Meng
> Priority: Major
> Labels: pull-request-available
>
> Two small IPv6 gaps outside the Java services. Neither affects a supported
> deployment path today.
> # *SCM web UI:* {{scm-overview.html}} builds each datanode link as
> {{<protocol>://<hostname>:<port>}}, where {{hostname}} is the key of the
> {{NodeStatusInfo}} JMX map in {{scm.js}}. When a datanode's hostname is an
> IPv6 literal (no reverse DNS), the link is invalid. The page itself still
> renders.
> # *Docker image entrypoint:*
> {{hadoop-ozone/dist/src/main/dockerlibexec/entrypoint.sh}} splits {{WAITFOR}}
> with {{cut -d : -f 1}} and {{-f 2}}. A value such as {{[2001:db8::1]:9878}}
> yields a wrong host and port, so the wait never succeeds. The compose files
> shipped with Ozone use DNS names, so only custom setups are affected.
> h3. Fix
> * In {{scm.js}} or the template, wrap the host in brackets when it contains a
> colon.
> * In {{entrypoint.sh}}, take the port after the last colon
> ({{$\{WAITFOR##*:\}}}) and the host before it, and strip surrounding brackets
> before calling {{nc}}. Add a bats test.
> Parent epic: HDDS-15763.
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