[fix][io] KCA: Option to use kafka connector's SourceConnector class to create task and task config #19772
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…task and task config
dlg99
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eolivelli
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Mar 10, 2023
| @@ -37,6 +36,7 @@ | |||
| import org.apache.pulsar.common.schema.KeyValue; | |||
| import org.apache.pulsar.functions.api.Record; | |||
| import org.apache.pulsar.io.core.SourceContext; | |||
| import org.jetbrains.annotations.NotNull; | |||
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@dlg99 I would like to cherry-pick this patch to branch-2.11 and to branch-2.10, but the patch doesn't apply. Could you please send a new PR ? or maybe there are dependencies that we are missing ? |
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…to create task and task config (apache#19772) (cherry picked from commit 90b0f0a)
dlg99
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Mar 10, 2023
…to create task and task config (apache#19772) (cherry picked from commit 90b0f0a)
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Motivation
KCA's SourceConnector uses Kafka's task name as a parameter and creates the task directly.
this works well enough for simpler or old sources (e.g. debezium's postgre/mysql/mongo etc).
Actual expected life cycle is to create a connector, then get the task class and the task config from it.
Connectors that rely on such cycle do not work with KCA, e.g. yugabyte's debezium source. See
https://apache-pulsar.slack.com/archives/C5Z4T36F7/p1677506713032549 for details.
Modifications
Added option to pass source connector's class name, made use of it.
Kept the KCA compatible with old configuration, falling back to the legacy behavior if the config is not set.
Verifying this change
This change added unit test.
Does this pull request potentially affect one of the following parts:
NO
If the box was checked, please highlight the changes
Documentation
docdoc-requireddoc-not-neededdoc-completeMatching PR in forked repository
PR in forked repository: dlg99#11