[jira] [Commented] (SOLR-13722) Package Management APIs

["Ishan Chattopadhyaya (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-13722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16938726#comment-16938726 ] 

Ishan Chattopadhyaya commented on SOLR-13722:
---------------------------------------------

[~noble.paul] , I've updated the titles of this and SOLR-13710. Can you please update their descriptions to closely relate to the design document? This issue's description provides absolutely no clue what this issue is about.

> Package Management APIs
> -----------------------
>
>                 Key: SOLR-13722
>                 URL: https://issues.apache.org/jira/browse/SOLR-13722
>             Project: Solr
>          Issue Type: Sub-task
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Noble Paul
>            Assignee: Noble Paul
>            Priority: Major
>              Labels: package
>
> This ticket totally eliminates the need for an external service to host the jars. So a url will no longer be required. An external URL leads to unreliability because the service may go offline or it can be DDoSed if/when too many requests are sent to them
>  
>  
>  Add a jar to cluster as follows
> {code:java}
> curl -X POST -H 'Content-Type: application/octet-stream' --data-binary @myjar.jar http://localhost:8983/api/cluster/blob
> {code}
> This does the following operations
>  * Upload this jar to all the live nodes in the system
>  * The name of the file is the {{sha256}} of the file/payload
>  * The blob is agnostic of the content of the file/payload
> h2.  How it works?
> A blob that is POSTed to the {{/api/cluster/blob}} end point is persisted locally & all nodes are instructed to download it from this node or from any other available node. If a node comes up later, it can query other nodes in the system and download the blobs as required
> h2. {{add-package}} command
> {code:java}
> curl -X POST -H 'Content-type:application/json' --data-binary '{
>   "add-package": {
>        "name": "my-package" ,
>       "sha256":"<the-sha256>"
>   }}' http://localhost:8983/api/cluster
> {code}
>  The {{sha256}} is the same as the file name. It gets hold of the jar using the following steps
>  * check the local file system for the blob
>  * If not available locally,  query other live nodes if they have the blob (one by one)
>  * if a node has it , it's downloaded and persisted to it's local {{blob}} dir
> h2. Security
> The blob upload does not check for the content of the payload and it does not verify the file. However, the {{add-package}} , {{update-package}} commands check for the signatures (if enabled) . 
>  The size of the file is limited to 5MB,to avoid (OOM). This can be changed using a system property {{runtime.lib.size}} . 
>  
>  



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