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https://issues.apache.org/jira/browse/BEAM-8201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17032758#comment-17032758
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Robert Bradshaw commented on BEAM-8201:
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I have updated the container contract with the following suggestions:
* All the endpoint except the provision endpoint are supplied by the provision
endpoint. Perhaps we should name this the bootstrap endpoint?
* Perhaps make SEMI_PERSIST_DIR a reserved constant rather than let the runner
choose it?
* Add a first argument which is the phase, with the current instantiation being
prepare_and_run.
> clean up the current container API
> ----------------------------------
>
> Key: BEAM-8201
> URL: https://issues.apache.org/jira/browse/BEAM-8201
> Project: Beam
> Issue Type: Improvement
> Components: build-system
> Reporter: Hannah Jiang
> Assignee: Robert Bradshaw
> Priority: Major
>
> From [~robertwb]
> As part of this project, I propose we look at and clean up the current
> container API before we "release" it as public and stable. IIRC, we currently
> provide the worker arguments through a combination of (1) environment
> variables (2) command line parameters to docker and (3) via the provisioning
> API. It would be good to have a more principled approach to specifying
> arguments (either all the same way, or if they vary, good reason for doing so
> rather than by historical accident).
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