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Recreate Hot Update #9528

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skabashnyuk opened this issue Apr 24, 2018 · 1 comment
Closed

Recreate Hot Update #9528

skabashnyuk opened this issue Apr 24, 2018 · 1 comment
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kind/task Internal things, technical debt, and to-do tasks to be performed.

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@skabashnyuk
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Description

We want to introduce "Recreate Update" before "Rolling Update".
We saw some instability of che-master during - Hot update testing on working master | #9415
As part of this issue should and documentation how to do Recreate Hot Update on OpenShift
@skabashnyuk skabashnyuk added kind/task Internal things, technical debt, and to-do tasks to be performed. team/platform labels Apr 24, 2018
@sleshchenko sleshchenko mentioned this issue Apr 24, 2018
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@skabashnyuk skabashnyuk mentioned this issue Apr 24, 2018
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@mshaposhnik
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mshaposhnik commented Apr 25, 2018 •
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How to perform Recreate type update without stopping active workspaces:

  1. Make sure deployment update strategy set to Recreate
  2. Make POST request to the /api/system/stop api to start WS master suspend
    (means that all new attempts to start workspaces will be refused, and all current starts/stops will be finished). Note that this method requires system admin credentials.
  3. Make periodical GET requests to /api/system/state api, until it returns READY_TO_SHUTDOWN state. Also, it may be visually controlled by line "System is ready to shutdown" in the server logs
  4. Perform new deploy.

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@skabashnyuk @mshaposhnik