Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/19954#discussion_r158167537
--- Diff:
resource-managers/kubernetes/core/src/test/scala/org/apache/spark/deploy/k8s/submit/steps/DriverInitContainerBootstrapStepSuite.scala
---
@@ -0,0 +1,159 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.spark.deploy.k8s.submit.steps
+
+import java.io.StringReader
+import java.util.Properties
+
+import scala.collection.JavaConverters._
+
+import com.google.common.collect.Maps
+import io.fabric8.kubernetes.api.model.{ConfigMap, ContainerBuilder,
HasMetadata, PodBuilder, SecretBuilder}
+
+import org.apache.spark.{SparkConf, SparkFunSuite}
+import org.apache.spark.deploy.k8s.Config._
+import org.apache.spark.deploy.k8s.submit.KubernetesDriverSpec
+import
org.apache.spark.deploy.k8s.submit.steps.initcontainer.{InitContainerConfigurationStep,
InitContainerSpec}
+import org.apache.spark.util.Utils
+
+class DriverInitContainerBootstrapStepSuite extends SparkFunSuite {
+
+ private val CONFIG_MAP_NAME = "spark-init-config-map"
+ private val CONFIG_MAP_KEY = "spark-init-config-map-key"
+
+ test("The init container bootstrap step should use all of the init
container steps") {
+ val baseDriverSpec = KubernetesDriverSpec(
+ driverPod = new PodBuilder().build(),
+ driverContainer = new ContainerBuilder().build(),
+ driverSparkConf = new SparkConf(false),
+ otherKubernetesResources = Seq.empty[HasMetadata])
+ val initContainerSteps = Seq(
+ FirstTestInitContainerConfigurationStep,
+ SecondTestInitContainerConfigurationStep)
+ val bootstrapStep = new DriverInitContainerBootstrapStep(
+ initContainerSteps,
+ CONFIG_MAP_NAME,
+ CONFIG_MAP_KEY)
+
+ val preparedDriverSpec = bootstrapStep.configureDriver(baseDriverSpec)
+
+ assert(preparedDriverSpec.driverPod.getMetadata.getLabels.asScala ===
+ FirstTestInitContainerConfigurationStep.additionalLabels)
+ val additionalDriverEnv =
preparedDriverSpec.driverContainer.getEnv.asScala
+ assert(additionalDriverEnv.size === 1)
+ assert(additionalDriverEnv.head.getName ===
+
FirstTestInitContainerConfigurationStep.additionalMainContainerEnvKey)
+ assert(additionalDriverEnv.head.getValue ===
+
FirstTestInitContainerConfigurationStep.additionalMainContainerEnvValue)
+
+ assert(preparedDriverSpec.otherKubernetesResources.size === 2)
+ assert(preparedDriverSpec.otherKubernetesResources.contains(
+
FirstTestInitContainerConfigurationStep.additionalKubernetesResource))
+ assert(preparedDriverSpec.otherKubernetesResources.exists {
+ case configMap: ConfigMap =>
+ val hasMatchingName = configMap.getMetadata.getName ==
CONFIG_MAP_NAME
+ val configMapData = configMap.getData.asScala
+ val hasCorrectNumberOfEntries = configMapData.size == 1
+ val initContainerPropertiesRaw = configMapData(CONFIG_MAP_KEY)
+ val initContainerProperties = new Properties()
+ Utils.tryWithResource(new
StringReader(initContainerPropertiesRaw)) {
+ initContainerProperties.load(_)
+ }
+ val initContainerPropertiesMap =
Maps.fromProperties(initContainerProperties).asScala
+ val expectedInitContainerProperties = Map(
+
SecondTestInitContainerConfigurationStep.additionalInitContainerPropertyKey ->
+
SecondTestInitContainerConfigurationStep.additionalInitContainerPropertyValue)
+ val hasMatchingProperties = initContainerPropertiesMap ==
expectedInitContainerProperties
+ hasMatchingName && hasCorrectNumberOfEntries &&
hasMatchingProperties
+ case _ => false
--- End diff --
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