Repository: incubator-metron
Updated Branches:
  refs/heads/master 716bda326 -> e08b7d47f


METRON-896 Document Having Kerberos Issue Renewable Tickets (justinleet) closes 
apache/incubator-metron#553


Project: http://git-wip-us.apache.org/repos/asf/incubator-metron/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-metron/commit/e08b7d47
Tree: http://git-wip-us.apache.org/repos/asf/incubator-metron/tree/e08b7d47
Diff: http://git-wip-us.apache.org/repos/asf/incubator-metron/diff/e08b7d47

Branch: refs/heads/master
Commit: e08b7d47f3f644e12a9abb59bd3901d93c6d34af
Parents: 716bda3
Author: justinleet <[email protected]>
Authored: Mon May 8 09:33:09 2017 -0400
Committer: leet <[email protected]>
Committed: Mon May 8 09:33:09 2017 -0400

----------------------------------------------------------------------
 metron-deployment/Kerberos-manual-setup.md | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/e08b7d47/metron-deployment/Kerberos-manual-setup.md
----------------------------------------------------------------------
diff --git a/metron-deployment/Kerberos-manual-setup.md 
b/metron-deployment/Kerberos-manual-setup.md
index b444b0e..8a7f07a 100644
--- a/metron-deployment/Kerberos-manual-setup.md
+++ b/metron-deployment/Kerberos-manual-setup.md
@@ -27,7 +27,6 @@ Setup
     export ZOOKEEPER=node1:2181
     export ELASTICSEARCH=node1:9200
     export BROKERLIST=node1:6667
-
     export HDP_HOME="/usr/hdp/current"
     export KAFKA_HOME="${HDP_HOME}/kafka-broker"
     export METRON_VERSION="0.4.0"
@@ -72,6 +71,16 @@ Setup a KDC
        cp -f /etc/krb5.conf /var/lib/ambari-server/resources/scripts
        ```
 
+1. Ensure the KDC can issue renewable tickets. This can be necessary on a real 
cluster, but should not be on full-dev. In /var/kerberos/krb5kdc/kdc.conf 
ensure the following is in the realm section
+   ```
+   max_renewable_life = 7d
+   ```
+
+   If the KDC cannot issue renewable tickets, an error will be thrown when 
starting Metron's Storm topologies:
+   ```
+   Exception in thread "main" java.lang.RuntimeException: 
java.lang.RuntimeException: The TGT found is not renewable
+   ```
+
 1. Do not copy/paste this full set of commands as the `kdb5_util` command will 
not run as expected. Run the commands individually to ensure they all execute.  
This step takes a moment. It creates the kerberos database.
 
        ```
@@ -238,6 +247,17 @@ Storm Authorization
        cd /home/metron/.storm
        ```
 
+1. Ensure the Metron keytab is renewable.  Look for the 'R' flag from the 
following command
+    ```
+    klist -f
+    ```
+
+    If not present, modify the appropriate principals to allow renewable 
tickets.  Adjust the parameters to match desired KDC parameters
+    ```
+    kadmin.local -q "modprinc -maxlife 1days -maxrenewlife 7days 
+allow_renewable krbtgt/[email protected]"
+    kadmin.local -q "modprinc -maxlife 1days -maxrenewlife 7days 
+allow_renewable [email protected]"
+    ```
+
 1. Create a client JAAS file at `/home/metron/.storm/client_jaas.conf`.  This 
should look identical to the Storm client JAAS file located at 
`/etc/storm/conf/client_jaas.conf` except for the addition of a `Client` 
stanza. The `Client` stanza is used for Zookeeper. All quotes and semicolons 
are necessary.
 
     ```

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