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[SPARK-22998][K8S] Set missing value for SPARK_MOUNTED_CLASSPATH in the executors #20193

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[SPARK-22998][K8S] Set missing value for SPARK_MOUNTED_CLASSPATH in the executors #20193

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5 changes: 4 additions & 1 deletion ...netes/core/src/main/scala/org/apache/spark/scheduler/cluster/k8s/ExecutorPodFactory.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,8 @@ private[spark] class ExecutorPodFactory(
private val executorCores = sparkConf.getDouble("spark.executor.cores", 1)
private val executorLimitCores = sparkConf.get(KUBERNETES_EXECUTOR_LIMIT_CORES)

private val executorJarsDownloadDir = sparkConf.get(JARS_DOWNLOAD_LOCATION)

/**
* Configure and construct an executor pod with the given parameters.
*/
Expand Down Expand Up @@ -145,7 +147,8 @@ private[spark] class ExecutorPodFactory(
(ENV_EXECUTOR_CORES, math.ceil(executorCores).toInt.toString),
(ENV_EXECUTOR_MEMORY, executorMemoryString),
(ENV_APPLICATION_ID, applicationId),
(ENV_EXECUTOR_ID, executorId)) ++ executorEnvs)
(ENV_EXECUTOR_ID, executorId),
(ENV_MOUNTED_CLASSPATH, s"$executorJarsDownloadDir/*")) ++ executorEnvs)
.map(env => new EnvVarBuilder()
.withName(env._1)
.withValue(env._2)
Expand Down
3 changes: 2 additions & 1 deletion .../core/src/test/scala/org/apache/spark/scheduler/cluster/k8s/ExecutorPodFactorySuite.scala
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Expand Up @@ -197,7 +197,8 @@ class ExecutorPodFactorySuite extends SparkFunSuite with BeforeAndAfter with Bef
ENV_EXECUTOR_CORES -> "1",
ENV_EXECUTOR_MEMORY -> "1g",
ENV_APPLICATION_ID -> "dummy",
ENV_EXECUTOR_POD_IP -> null) ++ additionalEnvVars
ENV_EXECUTOR_POD_IP -> null,
ENV_MOUNTED_CLASSPATH -> "/var/spark-data/spark-jars/*") ++ additionalEnvVars

assert(executor.getSpec.getContainers.size() === 1)
assert(executor.getSpec.getContainers.get(0).getEnv.size() === defaultEnvs.size)
Expand Down