Siyao Meng created HDDS-15773:
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Summary: Make HddsUtils host:port helpers IPv6-safe
Key: HDDS-15773
URL: https://issues.apache.org/jira/browse/HDDS-15773
Project: Apache Ozone
Issue Type: Task
Reporter: Siyao Meng
Shared helpers in HddsUtils extract host:port strings by assuming a single
colon, which corrupts IPv6 literals.
- HddsUtils.getHostName() (HddsUtils.java:202-212) strips a trailing :[0-9]+
with a regex. For [::1]:9862 it returns [::1] (brackets left in, DNS lookup
fails); for a bare ::1:9862 it strips the last segment.
- HddsUtils.format() (HddsUtils.java:579-588) splits Ratis role strings on :
and indexes fixed positions.
Proposed: route host/port extraction through the existing IPv6-aware paths
(Guava HostAndPort, already used in HddsUtils.getHostPort(), and Hadoop
NetUtils), bracketing IPv6 literals when combined with a port. Add unit
coverage in TestHddsUtils for [::1]:port, bare ::1, and full literal addresses.
Note: NodeDetails.getRatisHostPortStr() Ratis peer-address construction is
excluded here; it is handled by HDDS-15768.
Parent epic: HDDS-15763.
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