Github user mccheah commented on a diff in the pull request:
https://github.com/apache/spark/pull/19717#discussion_r155042592
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -2744,6 +2744,25 @@ private[spark] object Utils extends Logging {
}
}
+ /**
+ * Check the validity of the given Kubernetes master URL and return the
resolved URL.
+ */
+ def checkAndGetK8sMasterUrl(rawMasterURL: String): String = {
+ require(rawMasterURL.startsWith("k8s://"),
+ "Kubernetes master URL must start with k8s://.")
+ val masterWithoutK8sPrefix = rawMasterURL.substring("k8s://".length)
--- End diff --
This decision is to match how Mesos works with Zookeeper, as these Strings
are valid IIRC: `mesos://zk://host1:2181,host2:2181,host3:2181/mesos`. That's
just the precedent we are using, but we can use a different convention.
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