[CASSANDRA-3220] add describe_ring to cli

• Type: Improvement
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 1.0.6
• Component/s: Legacy/Tools
• Assignee: Jackson Chung
• Reporter: Jackson Chung

Authors

Jackson Chung

Reviewers

Pavel Yaskevich

• Created: 16/Sep/11 18:24
• Updated: 16/Apr/19 09:32
• Resolved: 07/Dec/11 18:27

Description

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:

[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