jiangzho opened a new pull request, #17:
URL: https://github.com/apache/spark-kubernetes-operator/pull/17
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### What changes were proposed in this pull request?
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This is a breakdown PR of #12 - introducing config properties for controller
module. Also, the config package includes a config map reconciler that can
watch properties updates for hot properties loading.
SparkOperatorConf includes below groups / namespaces:
group / namespace | notes
-- | --
spark.kubernetes.operator. | general operator conf, e.g. name, namespace,
watched namespaces
spark.kubernetes.operator.reconciler. | reconciler behavior, e.g.
parallelism, reconcile timeouts / interval, whether to enable history trimming
. etc
spark.kubernetes.operator.dynamicConfig. | dynamic config monitor behavior
spark.kubernetes.operator.rateLimiter. | rate limiter behavior, interval,
limits, multiplier . etc
spark.kubernetes.operator.retry. | retry behavior, including client retry
config and additional retry behavior on k8s server error / status patching
spark.kubernetes.operator.metrics. | metrics behavior, e.g. whether to
enable metrics sets for josdk / k8s client, metrics server port .etc
spark.kubernetes.operator.health. | health check / probe behavior
spark.kubernetes.operator.leaderElection. | leader election behavior for
operator HA mode
### Why are the changes needed?
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These are needed to enable user-configurable behavior of the operator.
### Does this PR introduce _any_ user-facing change?
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No to existing Spark users.
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Tested via unit test coverage.
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No.
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