[jira] [Commented] (METRON-1856) [UI] Implement parser grouping with drag and drop

["Otto Fowler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/METRON-1856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16832049#comment-16832049 ] 

Otto Fowler commented on METRON-1856:
-------------------------------------

Does the UI show the usual stats but for the group or nothing?  

What happens if you try to group 3 parsers that are already running?
Or some combination of running and not running?

What happens if you have 3 sensors, but not all of them are configured and you try to start the group?

etc, etc

> [UI] Implement parser grouping with drag and drop
> -------------------------------------------------
>
>                 Key: METRON-1856
>                 URL: https://issues.apache.org/jira/browse/METRON-1856
>             Project: Metron
>          Issue Type: New Feature
>            Reporter: Tibor Meller
>            Priority: Major
>         Attachments: create-parser-group.gif, delete-parser-group.gif, merge-and-create-new-group.gif, save-parser-group.gif
>
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> The capability to group parsers via the CLI already exists in Metron, but it currently is not possible to do so through the Management UI. This feature seems important as it allows users to pass in groups of parsers to start, stop, disable and enable rather than enacting the action on each individual parser.
> An initial implementation of the UI was done by Tamás Fodor, Tibor Meller and myself (@ruffle1986, @tiborm and @sardell on GitHub, respectively), and the REST endpoint work was performed by Ryan Merriman in PR 1396: [https://github.com/apache/metron/pull/1396].
> Here is a brief description of the UI changes we proposing (and subsequently implemented in PR 1360).
> In order to create a parser group, simply drag and drop two parsers together. A user can optionally update the name and add a description before creating the group. Notice that once a group is created, the parser group is highlighted in green and the parsers moved inside of a group are highlighted in yellow.
> !create-parser-group.gif|width=601,height=330!
> Once a user has created the parser groups they want, they can simply click on the apply button at the bottom of the screen. You'll notice the highlighting colors go away, a success message appears and controls for all the parsers in the group are available at the group level (in this case the start button).
> !save-parser-group.gif|width=601,height=330!
> If a user wants to add to a group or create a new group from nested parsers, they can choose to either merge or create a new group as shown below.
> !merge-and-create-new-group.gif|width=601,height=330!
> If a user wants to delete a group, they can simply click on the trash can icon in the group's controls section. We chose to keep the confirmation popup in addition to the apply button in order to prevent accidental group deletions and prevent sending multiple http delete calls one after the other to the backend. If a user decides not to delete a group after confirming with the modal window, they can click on the discard button to return to the previous state.
> !delete-parser-group.gif|width=601,height=330!



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