[jira] [Resolved] (NIP-12) Clear Component Bulletins

["Matt Gilman (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIP-12?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Gilman resolved NIP-12.
----------------------------
    Resolution: Done

> Clear Component Bulletins
> -------------------------
>
>                 Key: NIP-12
>                 URL: https://issues.apache.org/jira/browse/NIP-12
>             Project: NiFi Improvement Proposal
>          Issue Type: New Feature
>            Reporter: Matt Gilman
>            Assignee: Matt Gilman
>            Priority: Major
>
> As a NiFi user, it may be helpful to clear bulletins for a given component. For components, only the 5 most recent bulletins are stored for up to 5 minutes.
> When a bulletin occurs user will often need to adjust the configuration of the source component. After applying the changes and re-running the component, it's often unclear whether the bulletins are new or still present from the previous executions.
> In this effort, we want to expose an action in the NiFi UI that allows the user to explicitly clear the bulletins for the component. The request would include the current timestamp which will delete all bulletins for that component that are older than the specified timestamp.
> In order to clear bulletins the user must have write permissions to the component in question. If the component is a Process Group, a user with access to the `flow` resource will be allowed to submit the request. The node that receives the request will traverse the components within the specified Process Group and identify all components the current user has write permissions to. This selection will be used in a replicated request across the cluster to ensure that all nodes attempt to work on the same selection of components.
> Expected changes:
> - API: New methods in the BulletinRepository for clearing bulletins for a single component and clearing bulletins for a selection of components
> - Framework: New endpoints to support clearing bulletins for components that call down into the BulletinRepository
> - UI: New actions for components that invoke the new endpoints



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