modified otherKubernetesResource logic

Author: ifilonenko

resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/kubernetes/submit/submitsteps/HadoopConfigBootstrapStep.scala

@@ -54,7 +54,9 @@ private[spark] class HadoopConfigBootstrapStep(
       driverPod = currentHadoopSpec.driverPod,
       driverContainer = currentHadoopSpec.driverContainer,
       driverSparkConf = executorSparkConf,
-      otherKubernetesResources = Seq(configMap)
+      otherKubernetesResources =
+        driverSpec.otherKubernetesResources ++
+        Seq(configMap)
       )
   }
 }

resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/kubernetes/submit/submitsteps/hadoopsteps/HadoopConfMounterStep.scala

@@ -17,6 +17,7 @@
 package org.apache.spark.deploy.kubernetes.submit.submitsteps.hadoopsteps
 
 import java.io.File
+import org.apache.commons.io.FileUtils.readFileToString
 
 import org.apache.spark.deploy.kubernetes.{HadoopConfBootstrap, PodWithMainContainer}
 
@@ -41,7 +42,7 @@ private[spark] class HadoopConfMounterStep(
        driverContainer = bootstrappedPodAndMainContainer.mainContainer,
        configMapProperties =
          hadoopConfigurationFiles.map(file =>
-           (file.toPath.getFileName.toString, file.toString)).toMap
+           (file.toPath.getFileName.toString, readFileToString(file))).toMap
      )
   }
 }