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[SPARK-30371][K8S] Add spark.kubernetes.driver.master conf #27029

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[SPARK-30371][K8S] Add spark.kubernetes.driver.master conf #27029

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7 changes: 7 additions & 0 deletions docs/running-on-kubernetes.md
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Original file line number Diff line number Diff line change
Expand Up @@ -507,6 +507,13 @@ See the [configuration page](configuration.html) for information on Spark config
configuration properties e.g. <code>spark.kubernetes.namespace</code>.
</td>
</tr>
<tr>
<td><code>spark.kubernetes.driver.master</code></td>
<td><code>https://kubernetes.default.svc</code></td>
<td>
The internal Kubernetes master (API server) address to be used for driver to request executors.
</td>
</tr>
<tr>
<td><code>spark.kubernetes.namespace</code></td>
<td><code>default</code></td>
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7 changes: 7 additions & 0 deletions resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/Config.scala
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Expand Up @@ -36,6 +36,13 @@ private[spark] object Config extends Logging {
.stringConf
.createOptional

val KUBERNETES_DRIVER_MASTER_URL =
ConfigBuilder("spark.kubernetes.driver.master")
.doc("The internal Kubernetes master (API server) address " +
"to be used for driver to request executors.")
.stringConf
.createWithDefault(KUBERNETES_MASTER_INTERNAL_URL)

val KUBERNETES_NAMESPACE =
ConfigBuilder("spark.kubernetes.namespace")
.doc("The namespace that will be used for running the driver and executor pods.")
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2 changes: 1 addition & 1 deletion ...core/src/main/scala/org/apache/spark/scheduler/cluster/k8s/KubernetesClusterManager.scala
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Expand Up @@ -51,7 +51,7 @@ private[spark] class KubernetesClusterManager extends ExternalClusterManager wit
"If the application is deployed using spark-submit in cluster mode, the driver pod name " +
"must be provided.")
(KUBERNETES_AUTH_DRIVER_MOUNTED_CONF_PREFIX,
KUBERNETES_MASTER_INTERNAL_URL,
sc.conf.get(KUBERNETES_DRIVER_MASTER_URL),
Some(new File(Config.KUBERNETES_SERVICE_ACCOUNT_TOKEN_PATH)),
Some(new File(Config.KUBERNETES_SERVICE_ACCOUNT_CA_CRT_PATH)))
} else {
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