vanzin commented on a change in pull request #23546: [SPARK-23153][K8s] Support
client dependencies with a Hadoop Compatible File System
URL: https://github.com/apache/spark/pull/23546#discussion_r260910739
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File path: core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
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@@ -318,9 +319,25 @@ private[spark] class SparkSubmit extends Logging {
args.ivySettingsPath)
if (!StringUtils.isBlank(resolvedMavenCoordinates)) {
- args.jars = mergeFileLists(args.jars, resolvedMavenCoordinates)
- if (args.isPython || isInternal(args.primaryResource)) {
- args.pyFiles = mergeFileLists(args.pyFiles, resolvedMavenCoordinates)
+ // In K8s client mode, when in the driver, add resolved jars early as
we might need
+ // them at the submit time. For example we might use the dependencies
for downloading
+ // files from a Hadoop Compatible fs eg. S3. In this case the user
might pass:
+ // --packages
com.amazonaws:aws-java-sdk:1.7.4:org.apache.hadoop:hadoop-aws:2.7.6
+ if (isKubernetesClient &&
+ args.sparkProperties.getOrElse("spark.kubernetes.submitInDriver",
"false").toBoolean) {
Review comment:
I'm a little confused, especially after reading the comment.
In client mode, by definition, this code is always running in the driver.
These are the scenarios where you get here:
- cluster mode launcher
- cluster mode driver (client mode + spark.kubernetes.submitInDriver=true)
- client mode
So this needs some clarification based on that. Because of that, too, the
`isKubernetesClient` variable you added is ambiguous, so I'd avoid using that
name and try to follow my list above when naming these things.
You could also use `sparkConf.getBoolean` instead of `args.sparkProperties`.
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