Github user JamesRTaylor commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/191#discussion_r76336767
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/jdbc/PhoenixEmbeddedDriver.java
---
@@ -333,6 +337,55 @@ public ConnectionInfo normalize(ReadOnlyProps props)
throws SQLException {
keytab =
props.get(QueryServices.HBASE_CLIENT_KEYTAB);
}
}
+ if (!isConnectionless()) {
+ boolean credsProvidedInUrl = null != principal && null !=
keytab;
+ boolean credsProvidedInProps =
info.containsKey(QueryServices.HBASE_CLIENT_PRINCIPAL) &&
info.containsKey(QueryServices.HBASE_CLIENT_KEYTAB);
+ if (credsProvidedInUrl || credsProvidedInProps) {
+ // PHOENIX-3189 Because ConnectionInfo is immutable,
we must make sure all parts of it are correct before
+ // construction; this also requires the Kerberos user
credentials object (since they are compared by reference
+ // and not by value. If the user provided a principal
and keytab via the JDBC url, we must make sure that the
+ // Kerberos login happens *before* we construct the
ConnectionInfo object. Otherwise, the use of ConnectionInfo
+ // to determine when ConnectionQueryServices impl's
should be reused will be broken.
+ Configuration config =
HBaseFactoryProvider.getConfigurationFactory().getConfiguration();
+ // Add QueryServices properties
+ for (Entry<String,String> entry : props) {
+ config.set(entry.getKey(), entry.getValue());
+ }
+ // Add any user-provided properties (via DriverManager)
+ if (info != null) {
+ for (Object key : info.keySet()) {
+ config.set((String) key,
info.getProperty((String) key));
+ }
+ }
+ // Set the principal and keytab if provided from the
URL (overriding those provided in Properties)
+ if (null != principal) {
+ config.set(QueryServices.HBASE_CLIENT_PRINCIPAL,
principal);
+ }
+ if (null != keytab) {
+ config.set(QueryServices.HBASE_CLIENT_KEYTAB,
keytab);
+ }
+ try {
+ // Check if we need to authenticate with kerberos
so that we cache the correct ConnectionInfo
+ UserGroupInformation currentUser =
UserGroupInformation.getCurrentUser();
+ if (!currentUser.hasKerberosCredentials() ||
!currentUser.getUserName().equals(principal)) {
--- End diff --
Looks like we only use config inside of this block. Can we create it here
only instead?
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