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[SPARK-29580][TESTS] Add kerberos debug messages for Kafka secure tests #26252

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[SPARK-29580][TESTS] Add kerberos debug messages for Kafka secure tests #26252

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[SPARK-29580][TESTS] Add kerberos debug messages for Kafka secure tests
gaborgsomogyi Oct 25, 2019
3f27d31
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gaborgsomogyi Oct 25, 2019
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21 changes: 21 additions & 0 deletions external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaTestUtils.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,8 @@ class KafkaTestUtils(
secure: Boolean = false) extends Logging {

private val JAVA_AUTH_CONFIG = "java.security.auth.login.config"
private val IBM_KRB_DEBUG_CONFIG = "com.ibm.security.krb5.Krb5Debug"
private val SUN_KRB_DEBUG_CONFIG = "sun.security.krb5.debug"

private val localCanonicalHostName = InetAddress.getLoopbackAddress().getCanonicalHostName()
logInfo(s"Local host name is $localCanonicalHostName")
Expand Down Expand Up @@ -133,6 +135,7 @@ class KafkaTestUtils(
private def setUpMiniKdc(): Unit = {
val kdcDir = Utils.createTempDir()
val kdcConf = MiniKdc.createConf()
kdcConf.setProperty(MiniKdc.DEBUG, "true")
kdc = new MiniKdc(kdcConf, kdcDir)
kdc.start()
kdcReady = true
Expand Down Expand Up @@ -238,6 +241,7 @@ class KafkaTestUtils(
}

if (secure) {
setupKrbDebug()
setUpMiniKdc()
val jaasConfigFile = createKeytabsAndJaasConfigFile()
System.setProperty(JAVA_AUTH_CONFIG, jaasConfigFile)
Expand All @@ -252,6 +256,14 @@ class KafkaTestUtils(
}
}

private def setupKrbDebug(): Unit = {
if (System.getProperty("java.vendor").contains("IBM")) {
System.setProperty(IBM_KRB_DEBUG_CONFIG, "all")
} else {
System.setProperty(SUN_KRB_DEBUG_CONFIG, "true")
}
}

/** Teardown the whole servers, including Kafka broker and Zookeeper */
def teardown(): Unit = {
if (leakDetector != null) {
Expand Down Expand Up @@ -303,6 +315,15 @@ class KafkaTestUtils(
kdc.stop()
}
UserGroupInformation.reset()
teardownKrbDebug()
}

private def teardownKrbDebug(): Unit = {
if (System.getProperty("java.vendor").contains("IBM")) {
System.clearProperty(IBM_KRB_DEBUG_CONFIG)
} else {
System.clearProperty(SUN_KRB_DEBUG_CONFIG)
}
}

/** Create a Kafka topic and wait until it is propagated to the whole cluster */
Expand Down