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authorSergii Golovatiuk <sgolovat@redhat.com>2018-06-27 19:00:52 +0200
committerJulia Kreger <juliaashleykreger@gmail.com>2018-07-10 06:14:09 -0700
commitfe2608d00a63f2b874e5607d7a87403d8fae9cfe (patch)
tree8225627b7ea9e78b5c884b0ea26eeb9c210dc547 /releasenotes/notes/poweroff-after-10-tries-c592506f02c167c0.yaml
parentea302a8cd59c8ed487d8f378825c6c55b19ddc92 (diff)
downloadironic-fe2608d00a63f2b874e5607d7a87403d8fae9cfe.tar.gz
Poweroff server after 10 tries
Some faulty iPXE FW cannot load kernel or initrd file causing DoS on http server (especially when environment has hundreds of faulty nods). This patch changes the behavior to poweroff the hardware node after 10 unsuccessful retries to get kernel or initrd over http. Story: #2002928 Task: #22915 Change-Id: Iec4650499c51c4c7dac38c279728d294ed3434b6 Co-Authored-By: Julia Kreger <juliaashleykreger@gmail.com>
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+---
+fixes:
+ - |
+ Changes the iPXE behavior to retry a total of 10 times with an increasing
+ backoff time between each retry in order to not create a Denial of Service
+ situation with the iPXE HTTP server. Should the retries fail, the node will
+ be powered-off after a warning is displayed on the console for 30 seconds.
+ For more information, see
+ `story <https://storyboard.openstack.org/#!/story/2002928>`_.