Elek, Marton created HDDS-839:
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Summary: Wait for other services in the started script of
hadoop-runner base docker image
Key: HDDS-839
URL: https://issues.apache.org/jira/browse/HDDS-839
Project: Hadoop Distributed Data Store
Issue Type: Sub-task
Reporter: Elek, Marton
Assignee: Elek, Marton
As described in the parent issue, we need a simple method to handle service
dependencies in kubernetes clusters (usually as a workaround when some clients
can't re-try with renewed dns information).
But it also could be useful to minimize the wait time in the docker-compose
clusters.
The easiest implementation is modifying the started script of the
apache/hadoop-runner base image and add a bash loop which checks the
availability of the TCP port (with netcat).
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