add describe_ring to cli
------------------------
Key: CASSANDRA-3220
URL: https://issues.apache.org/jira/browse/CASSANDRA-3220
Project: Cassandra
Issue Type: Improvement
Reporter: Jackson Chung
Priority: Minor
Lately I have found the describe_ring feature was needed to debug/analyze
issue, but the cli does not have this available.
So just in case it is useful, please see the attached patch.
here is the sample output:
{noformat}
[default@unknown] help;
...
...
decr Decrements a counter column.
describe ring Describe the token range information.
describe cluster Describe the cluster configuration.
...
...
[default@unknown] help describe ring;
describe ring <keyspace>;
Describes the token range settings for the named keyspace.
Required Parameters:
- keyspace: Name of the keyspace to describe the token range.
Examples:
describe ring <keyspace>; - Describes the token range settings for the named
keyspace.
[default@unknown] describe ring Keyspace3;
TokenRange:
TokenRange(start_token:9739248273232290250409572410247679660,
end_token:9739248273232290250409572410247679660, endpoints:[192.168.0.125],
rpc_endpoints:[192.168.0.125],
endpoint_details:[EndpointDetails(host:192.168.0.125, port:9160,
datacenter:168)])
[default@unknown] describe ring fooks;
Keyspace with name 'fooks' wasn't found, , please, authorize to one of the
keyspaces first.
[default@unknown] describe ring;
Syntax error at position 13: mismatched input ';' expecting set null
{noformat}
--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira
