[tahoe-lafs-trac-stream] [tahoe-lafs] #1997: Remove node feature

[tahoe-lafs]

#1997: Remove node feature
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     Reporter:  luckyredhot  |      Owner:  daira
         Type:  enhancement  |     Status:  new
     Priority:  normal       |  Milestone:  undecided
    Component:  unknown      |    Version:  1.10.0
   Resolution:               |   Keywords:  node, introducer
Launchpad Bug:               |
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Comment (by gdt):

 Several thoughts (for an ideal world)

   * There should be a command to run on a node to unregister it from the
 introducer.  People can run this when decommissioning a node.

   * The fact that restarting the introducer cleans the nodes list is a
 bug.   This should be persistent.   If it isn't persistent, nodes should
 go away immediately on disconnect.

   * It makes sense to have nodes shown as OK/green, DOWN/red (for nodes
 that have been up in the last 7 days) and STALE/yellow (for nodes that
 have not been heard from in 7 days).  I agree that hiding stale nodes, or
 putting them in a different section makes sense.  DOWN nodes however
 should stay in order and be loudly pointed out.

   * There should be a command on the introducer to remove a node from the
 list (assuming it is not connected).  In a multi-introducer world, this
 should propagate.

   * When a node is removed from the introducer, it should be automatically
 removed from client nodes.  Just fixing this would help a lot.

   * Whatever we do, it should not depend on color displays or color
 vision, or vision at all, but be manifest in the text.  (I have nodes with
 the missing css, and it's really hard to tell what's going on, which is
 probably a separate issue, and I know the css install is fixed.)

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1997#comment:4>
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