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YARN-6332. Make RegistrySecurity use short user names for ZK ACLs. Contributed by Billie Rinaldi

This commit is contained in:
Jian He 2017-03-16 12:59:55 +08:00
parent 8b31ff6dba
commit 9f9ccb2784
1 changed files with 10 additions and 2 deletions
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12
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/main/java/org/apache/hadoop/registry/client/impl/zk/RegistrySecurity.java
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@ -152,6 +152,8 @@ public class RegistrySecurity extends AbstractService {
*/
private final List<ACL> systemACLs = new ArrayList<ACL>();
private boolean usesRealm = true;
/**
* A list of digest ACLs which can be added to permissions
* —and cleared later.
@ -230,6 +232,7 @@ public class RegistrySecurity extends AbstractService {
// System Accounts
String system = getOrFail(KEY_REGISTRY_SYSTEM_ACCOUNTS,
DEFAULT_REGISTRY_SYSTEM_ACCOUNTS);
usesRealm = system.contains("@");
systemACLs.addAll(buildACLs(system, kerberosRealm, ZooDefs.Perms.ALL));
@ -393,7 +396,12 @@ public class RegistrySecurity extends AbstractService {
* @return a new ACL
*/
public ACL createSaslACL(UserGroupInformation ugi, int perms) {
String userName = ugi.getUserName();
String userName = null;
if (usesRealm) {
userName = ugi.getUserName();
} else {
userName = ugi.getShortUserName();
}
return new ACL(perms, new Id(SCHEME_SASL, userName));
}
@ -946,7 +954,7 @@ public class RegistrySecurity extends AbstractService {
* @return an ACL for the user
*/
public ACL createACLfromUsername(String username, int perms) {
if (!username.contains("@")) {
if (usesRealm && !username.contains("@")) {
username = username + "@" + kerberosRealm;
if (LOG.isDebugEnabled()) {
LOG.debug("Appending kerberos realm to make {}", username);