Marton Elek created HDDS-2608:
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Summary: Provide command to wait until SCM is out from the
safe-mode
Key: HDDS-2608
URL: https://issues.apache.org/jira/browse/HDDS-2608
Project: Hadoop Distributed Data Store
Issue Type: Improvement
Components: Tools
Reporter: Marton Elek
The safe mode can be checked with "ozone scmcli safemode status". But for
acceptance tests there is no easy way to check if the cluster is ready to
execute the tests (See HDDS-2606 for example).
One easy solution is to create a polling version from "safemode status".
"safemode wait --timeout ..." can be blocked until the scm is out from the safe
mode.
Wit proper safe mode rules (min datanodes + min pipline numbers) it can help us
to check if the acceptance tests are ready to test.
Same command can be used in k8s as well to test if the cluster is ready to
start the freon commands...
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