Page Comparison

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• Ideally, D-Rock would like to be able to authorize all operations on all entities in CDAP. 
• However, this can be rolled out in phases. In the initial phase, he would like to control who can:
  • Create/update/delete a namespace
    • Only users with WRITE permission on CDAP instance should be able to perform this operation.
    • A property in cdapsentry-site.xml should  will decide a set of users who have admin permission on cdap instance. These admins can then later grant permissions to other users.
  • Deploy an application in a namespace
    • Only users with WRITE permission on the namespace should be able to perform this operation
    • One the application is deployed the the user who deployed becomes the ADMIN of the application. 
  • Start/stop a program
    • Only users with READ permission on the namespace and application, and EXECUTE permission on the program should be able to perform this operation
    • Only users with ADMIN permission on the program can set preference for the program
    • Only users with WRITE permission can provide runtime args
  • Read/write to a stream
    • Only users with READ privilege on the namespace and READ permission on the stream should be able to read from the stream
    • Only users with READ privilege on the namespace and WRITE permission on the stream should be able to write to the stream
    • Note: We have decided not to handle views separately. A user have same permission on all views of a stream as what it has on the stream. 

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