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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (SOLR-11722) API to create a Time Routed Alias and first collection
Date Fri, 12 Jan 2018 13:52:00 GMT


ASF GitHub Bot commented on SOLR-11722:

Github user dsmiley commented on a diff in the pull request:
    --- Diff: solr/core/src/java/org/apache/solr/handler/admin/ ---
    @@ -476,6 +451,31 @@ private static void addStatusToResponse(NamedList<Object> results,
           return req.getParams().required().getAll(null, NAME, "collections");
    +      String alias = req.getParams().get(NAME);
    +      SolrIdentifierValidator.validateAliasName(alias);
    +      Map<String, Object> params = req.getParams().required()
    +          .getAll(null, REQUIRED_ROUTING_PARAMS.toArray(new String[REQUIRED_ROUTING_PARAMS.size()]));
    +      req.getParams().getAll(params, NONREQUIRED_ROUTING_PARAMS);
    +      // subset the params to reuse the collection creation/parsing code
    +      ModifiableSolrParams collectionParams = extractPrefixedParams("create-collection.",
    +      if (collectionParams.get(NAME) != null) {
    +        SolrException solrException = new SolrException(BAD_REQUEST, "routed aliases
calculate names for their " +
    +            "dependent collections, you cannot specify the name.");
    +        log.error("Could not create routed alias",solrException);
    +        throw solrException;
    +      }
    +      SolrParams v1Params = convertToV1WhenRequired(req, collectionParams);
    +      // We need to add this temporary name just to pass validation.
    --- End diff --
    I wasn't clear; I don't have any issue with this part of the patch. I'm suggesting _adding_
a check that we require the configSet.  I needed to click on some line to insert my comment;
maybe I should have put my review comment on the blank line.

> API to create a Time Routed Alias and first collection
> ------------------------------------------------------
>                 Key: SOLR-11722
>                 URL:
>             Project: Solr
>          Issue Type: Sub-task
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrCloud
>            Reporter: David Smiley
>         Attachments: SOLR-11722.patch, SOLR-11722.patch
> This issue is about creating a single API command to create a "Time Routed Alias" along
with its first collection.  Need to decide what endpoint URL it is and parameters.
> Perhaps in v2 it'd be {{/api/collections?command=create-routed-alias}} or alternatively
piggy-back off of command=create-alias but we add more options, perhaps with a prefix like
> Inputs:
> * alias name
> * misc collection creation metadata (e.g. config, numShards, ...) perhaps in this context
with a prefix like "collection."
> * metadata for TimeRoutedAliasUpdateProcessor, currently: router.field
> * date specifier for first collection; can include "date math".
> We'll certainly add more options as future features unfold.
> I believe the collection needs to be created first (referring to the alias name via a
core property), and then the alias pointing to it which demands collections exist first. 
When figuring the collection name, you'll need to reference the format in TimeRoutedAliasUpdateProcessor.

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