Fix proxy settings for maven smoke tests (#9099)

* see if the issue is with settings.xml. Also change update policy to `never`

* Disable skipping tests based on git changes

* Give names to projects and print command

* some more debug info

* Revert "Give names to projects and print command"

This reverts commit 7f91252.

# Conflicts:
#	dd-smoke-tests/maven/src/test/groovy/datadog/smoketest/MavenSmokeTest.groovy

* more debug

* more debug

* set and create MAVEN_USER_HOME in base gradle job

* fix maven home

* Use mirror instead of repository

* offline mode doesn't work

* minimize the diff

* remove debug and m2 folder changes

* Revert "remove debug and m2 folder changes"

This reverts commit 02945a2.

* undo merged fix

* Revert "undo merged fix"

This reverts commit 9ad2380.

* use "package" in addition to go-offline

* fix error, only run some tests

* remove "package" because it's too slow

* Reapply "remove debug and m2 folder changes"

This reverts commit 30b1769.

* Cleanup for PR

---------

Co-authored-by: Santiago Mola <[email protected]>

Author: randomanderson

dd-smoke-tests/maven/src/test/groovy/datadog/smoketest/MavenSmokeTest.groovy

@@ -57,6 +57,7 @@ class MavenSmokeTest extends CiVisibilitySmokeTest {
   }
 
   def "test #projectName, v#mavenVersion"() {
+    println "Starting: ${projectName} ${mavenVersion}"
     Assumptions.assumeTrue(Jvm.current.isJavaVersionCompatible(minSupportedJavaVersion),
       "Current JVM " + Jvm.current.javaVersion + " is not compatible with minimum required version " + minSupportedJavaVersion)
 
@@ -240,6 +241,9 @@ class MavenSmokeTest extends CiVisibilitySmokeTest {
     def projectResourcesUri = this.getClass().getClassLoader().getResource(projectFilesSources).toURI()
     def projectResourcesPath = Paths.get(projectResourcesUri)
     copyFolder(projectResourcesPath, projectHome)
+
+    def sharedSettingsPath = Paths.get(this.getClass().getClassLoader().getResource("settings.mirror.xml").toURI())
+    Files.copy(sharedSettingsPath, projectHome.resolve("settings.mirror.xml"))
   }
 
   private void copyFolder(Path src, Path dest) throws IOException {
@@ -327,7 +331,10 @@ class MavenSmokeTest extends CiVisibilitySmokeTest {
     command.addAll(jvmArguments(runWithAgent, setServiceName, additionalAgentArgs))
     command.addAll((String[]) ["-jar", mavenRunnerShadowJar])
     command.addAll(programArguments())
-    command.addAll(["-s", "${projectHome.toAbsolutePath()}/settings.xml".toString()])
+
+    if (System.getenv().get("MAVEN_REPOSITORY_PROXY") != null) {
+      command.addAll(["-s", "${projectHome.toAbsolutePath()}/settings.mirror.xml".toString()])
+    }
     command.addAll(mvnCommand)
 
     ProcessBuilder processBuilder = new ProcessBuilder(command)

dd-smoke-tests/maven/src/test/resources/settings.mirror.xml

@@ -0,0 +1,9 @@
+<settings>
+  <mirrors>
+    <mirror>
+      <id>env-proxy</id>
+      <mirrorOf>*</mirrorOf>
+      <url>${env.MAVEN_REPOSITORY_PROXY}</url>
+    </mirror>
+  </mirrors>
+</settings>