maropu commented on a change in pull request #29966:
URL: https://github.com/apache/spark/pull/29966#discussion_r533927237
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File path: core/src/main/scala/org/apache/spark/util/DependencyUtils.scala
##########
@@ -15,22 +15,158 @@
* limitations under the License.
*/
-package org.apache.spark.deploy
+package org.apache.spark.util
import java.io.File
-import java.net.URI
+import java.net.{URI, URISyntaxException}
import org.apache.commons.lang3.StringUtils
import org.apache.hadoop.conf.Configuration
import org.apache.hadoop.fs.{FileSystem, Path}
import org.apache.spark.{SecurityManager, SparkConf, SparkException}
+import org.apache.spark.deploy.SparkSubmitUtils
import org.apache.spark.internal.Logging
-import org.apache.spark.util.{MutableURLClassLoader, Utils}
-private[deploy] object DependencyUtils extends Logging {
+case class IvyProperties(
+ packagesExclusions: String,
+ packages: String,
+ repositories: String,
+ ivyRepoPath: String,
+ ivySettingsPath: String)
+
+private[spark] object DependencyUtils extends Logging {
+
+ def getIvyProperties(): IvyProperties = {
+ val Seq(packagesExclusions, packages, repositories, ivyRepoPath,
ivySettingsPath) = Seq(
+ "spark.jars.excludes",
+ "spark.jars.packages",
+ "spark.jars.repositories",
+ "spark.jars.ivy",
+ "spark.jars.ivySettings"
+ ).map(sys.props.get(_).orNull)
+ IvyProperties(packagesExclusions, packages, repositories, ivyRepoPath,
ivySettingsPath)
+ }
+
+ /**
+ * Parse URI query string's parameter value of `transitive` and `exclude`.
+ * Other invalid parameters will be ignored.
+ *
+ * @param uri Ivy uri need to be downloaded.
+ * @return Tuple value of parameter `transitive` and `exclude` value.
+ *
+ * 1. transitive: whether to download dependency jar of ivy URI,
default value is false
+ * and this parameter value is case-sensitive. Invalid value will
be treat as false.
+ * Example: Input:
exclude=org.mortbay.jetty:jetty&transitive=true
+ * Output: true
+ *
+ * 2. exclude: comma separated exclusions to apply when resolving
transitive dependencies,
+ * consists of `group:module` pairs separated by commas.
+ * Example: Input:
excludeorg.mortbay.jetty:jetty,org.eclipse.jetty:jetty-http
+ * Output: [org.mortbay.jetty:jetty,org.eclipse.jetty:jetty-http]
+ */
+ private def parseQueryParams(uri: URI): (Boolean, String) = {
+ val uriQuery = uri.getQuery
+ if (uriQuery == null) {
+ (false, "")
+ } else {
+ val mapTokens = uriQuery.split("&").map(_.split("="))
+ if (mapTokens.exists(token =>
+ token.length != 2 || StringUtils.isBlank(token(0)) ||
StringUtils.isBlank(token(1)))) {
+ throw new URISyntaxException(uri.toString, s"Invalid query string:
$uriQuery")
+ }
+ val groupedParams = mapTokens.map(kv => (kv(0), kv(1))).groupBy(_._1)
+ // Parse transitive parameters (e.g., transitive=true) in an ivy URL,
default value is false
+ var transitive: Boolean = false
+ groupedParams.get("transitive").foreach { params =>
+ if (params.length > 1) {
+ logWarning("It's best to specify `transitive` parameter in ivy URL
query only once." +
+ " If there are multiple `transitive` parameter, we will select the
last one")
+ }
+ params.map(_._2).foreach {
+ case "true" => transitive = true
+ case _ => transitive = false
+ }
+ }
+ // Parse an excluded list (e.g.,
exclude=org.mortbay.jetty:jetty,org.eclipse.jetty:jetty-http)
+ // in an ivy URL. When download ivy URL jar, Spark won't download
transitive jar
+ // in a excluded list.
+ val exclusionList = groupedParams.get("exclude").map { params =>
+ params.map(_._2).flatMap { excludeString =>
+ val excludes = excludeString.split(",")
+ if (excludes.map(_.split(":")).exists(token =>
+ token.length != 2 || StringUtils.isBlank(token(0)) ||
StringUtils.isBlank(token(1)))) {
Review comment:
How about making a helper function for this check?
https://github.com/apache/spark/pull/29966/files#diff-3e9f71e7d80c1dc7d02b0edef611de280f219789f0d2b282887f07e999020024R74-R75
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