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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-11722) API to create a Time Routed Alias and first collection
Date Thu, 11 Jan 2018 21:33:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-11722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16322990#comment-16322990
] 

ASF GitHub Bot commented on SOLR-11722:
---------------------------------------

Github user dsmiley commented on a diff in the pull request:

    https://github.com/apache/lucene-solr/pull/304#discussion_r161074624
  
    --- Diff: solr/core/src/java/org/apache/solr/cloud/CreateAliasCmd.java ---
    @@ -45,13 +147,92 @@ public CreateAliasCmd(OverseerCollectionMessageHandler ocmh) {
       public void call(ClusterState state, ZkNodeProps message, NamedList results)
           throws Exception {
         final String aliasName = message.getStr(NAME);
    -    final List<String> canonicalCollectionList = parseCollectionsParameter(message.get("collections"));
    -    final String canonicalCollectionsString = StrUtils.join(canonicalCollectionList,
',');
    -
         ZkStateReader zkStateReader = ocmh.zkStateReader;
    -    validateAllCollectionsExistAndNoDups(canonicalCollectionList, zkStateReader);
    +    ZkStateReader.AliasesManager holder = zkStateReader.aliasesHolder;
    +    if (!anyRoutingParams(message)) {
    +      final List<String> canonicalCollectionList = parseCollectionsParameter(message.get("collections"));
    +      final String canonicalCollectionsString = StrUtils.join(canonicalCollectionList,
',');
    +      validateAllCollectionsExistAndNoDups(canonicalCollectionList, zkStateReader);
    +      holder.applyModificationAndExportToZk(aliases -> aliases.cloneWithCollectionAlias(aliasName,
canonicalCollectionsString));
    +    } else {
    +      final String routedField = message.getStr(ROUTING_FIELD);
    +      final String routingType = message.getStr(ROUTING_TYPE);
    +      final String tz = message.getStr(TZ);
    +      final String start = message.getStr(START);
    +      final String increment = message.getStr(ROUTING_INCREMENT);
    +      final String maxFutureMs = message.getStr(ROUTING_MAX_FUTURE);
    +
    +      try {
    +        if (0 > Long.valueOf(maxFutureMs)) {
    --- End diff --
    
    use parseLong


> API to create a Time Routed Alias and first collection
> ------------------------------------------------------
>
>                 Key: SOLR-11722
>                 URL: https://issues.apache.org/jira/browse/SOLR-11722
>             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
"router"?
> 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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