Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/2275#discussion_r79154968
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/security/SecurityContext.java
---
@@ -155,6 +157,58 @@ public static void install(SecurityConfiguration
config) throws Exception {
installedContext = new SecurityContext(loginUser);
}
+ /*
+ * This is a temporary fix to support both Kafka and ZK client libraries
+ * that are expecting the system variable to determine secure cluster
+ */
+ private static void populateJaasConfigSystemProperty(Configuration
configuration) {
+
+ //hack since Kafka Login Handler explicitly looks for the
property or else it throws an exception
+
//https://github.com/apache/kafka/blob/0.9.0/clients/src/main/java/org/apache/kafka/common/security/kerberos/Login.java#L289
+ if(null == configuration) {
+ System.setProperty("java.security.auth.login.config",
"");
+ return;
+ }
+
+ String baseDir =
configuration.getString(ConfigConstants.FLINK_BASE_DIR_PATH_KEY, null);
+ if(baseDir == null) {
+ System.setProperty("java.security.auth.login.config",
"");
+ return;
+ }
+
+ File f = new File(baseDir);
+ if(!f.exists() || !f.isDirectory()) {
+ LOG.error("Invalid flink base directory {}
configuration provided", baseDir);
+ throw new IllegalConfigurationException("Invalid flink
base directory configuration provided");
+ }
--- End diff --
This check should really be somewhere else. I think you can use
`ENV_FLINK_CONF_DIR` which is always set. The `FLINK_BASE_DIR_PATH_KEY` should
be deprecated. It's not used anymore.
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