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Using vxlan as default value for flannel_backend

Flannel is recommending using vxlan[1] and udp is just for debugging
or the kernel doesn't support vxlan or host-gw. So this patch is
proposing using 'vxlan' as the default value of label 'flannel_backend'
and it has been verified with sonobuoy.

[1] https://github.com/coreos/flannel/blob/master/Documentation/backends.md

Task: 36425
Story: 2006482

Change-Id: Ibe7f3446be894c593c6147186cc159bd01834d29
changes/87/679587/1
Feilong Wang 3 years ago
parent
commit
0b033f03d0
  1. 4
      magnum/drivers/k8s_fedora_atomic_v1/templates/kubecluster.yaml
  2. 6
      releasenotes/notes/using-vxlan-for-flannel-backend-8d82a290ca97d6e2.yaml

4
magnum/drivers/k8s_fedora_atomic_v1/templates/kubecluster.yaml

@ -110,8 +110,8 @@ parameters:
flannel_backend:
type: string
description: >
specify the backend for flannel, default udp backend
default: "udp"
specify the backend for flannel, default vxlan backend
default: "vxlan"
constraints:
- allowed_values: ["udp", "vxlan", "host-gw"]

6
releasenotes/notes/using-vxlan-for-flannel-backend-8d82a290ca97d6e2.yaml

@ -0,0 +1,6 @@
---
other:
- |
The default value of flannel_backend will be replaced with `vxlan` which
was `udp` based on the recommendation at
https://github.com/coreos/flannel/blob/master/Documentation/backends.md
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