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https://issues.apache.org/jira/browse/HIVE-25705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stamatis Zampetakis reassigned HIVE-25705:
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> Use dynamic host/post binding for dockerized databases in tests
> ---------------------------------------------------------------
>
> Key: HIVE-25705
> URL: https://issues.apache.org/jira/browse/HIVE-25705
> Project: Hive
> Issue Type: Improvement
> Components: Testing Infrastructure
> Reporter: Stamatis Zampetakis
> Assignee: Stamatis Zampetakis
> Priority: Major
>
> Currently all dockerized databases (subclasses of
> [DatabaseRule|https://github.com/apache/hive/blob/6e02f6164385a370ee8014c795bee1fa423d7937/standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/dbinstall/rules/DatabaseRule.java],
> subclasses of
> [AbstractExternalDB.java|https://github.com/apache/hive/blob/6e02f6164385a370ee8014c795bee1fa423d7937/itests/util/src/main/java/org/apache/hadoop/hive/ql/externalDB/AbstractExternalDB.java])
> are mapped statically to a specific hostname (usually localhost) and port
> when the container is launched; the host/port values are hardcoded in the
> code.
> This may create problems when a certain port is already taken by another
> process leading to errors like the one below:
> {noformat}
> Bind for 0.0.0.0:5432 failed: port is already allocated.
> {noformat}
> Similar problems can occur by assuming that every database will be accessible
> on localhost.
> This can lead to flakiness in CI and/or poor developer experience when
> running tests backed by Docker.
> The goal of this case is to allow the containers/databases bind dynamically
> to a random port at startup and expose the appropriate IP address & port to
> the tests relying on these databases.
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