[jira] [Commented] (SOLR-5466) Add List Collections functionality to Collections API

["Shalin Shekhar Mangar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-5466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13905572#comment-13905572 ] 

Shalin Shekhar Mangar commented on SOLR-5466:
---------------------------------------------

Thanks Varun. I think we should repurpose this API to be more general. I think it should return collection properties as well as shard properties.

For example:
{code}
/admin/collections?action=STATUS
{code}
The above returns a list of all collections in the cluster.
{code}
/admin/collections?action=STATUS&collection=collection1
{code}
The above returns info only about collection1 and its shards (including their properties)
or
{code}
/admin/collections?action=STATUS&collection=collection1&shard=shard1,shard2,shard3...
{code}
The above call should return collection properties and shard properties for shard1,shard2 and shard3.

I wish to remove the need to lookup against ZK directly for information that is inside cluster state.

> Add List Collections functionality to Collections API
> -----------------------------------------------------
>
>                 Key: SOLR-5466
>                 URL: https://issues.apache.org/jira/browse/SOLR-5466
>             Project: Solr
>          Issue Type: Sub-task
>          Components: scripts and tools, SolrCloud
>         Environment: All
>            Reporter: Dave Seltzer
>            Assignee: Shalin Shekhar Mangar
>            Priority: Minor
>              Labels: api, collections, rest
>         Attachments: SOLR-5466.patch
>
>
> The collections API lets you add, delete and modify existing collections. At the moment the API does not let you get a list of current collections or view information about a specific collection.
> The workaround is the use the Zookeeper API to get the list. This makes the Collections API harder to work with. 
> Adding an action=LIST would significantly improve the function of this API.



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