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
(cherry picked from commit 0b033f03d0
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@ -97,8 +97,8 @@ parameters:
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flannel_backend:
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type: string
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description: >
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specify the backend for flannel, default udp backend
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default: "udp"
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specify the backend for flannel, default vxlan backend
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default: "vxlan"
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constraints:
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- allowed_values: ["udp", "vxlan", "host-gw"]
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@ -0,0 +1,6 @@
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---
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other:
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- |
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The default value of flannel_backend will be replaced with `vxlan` which
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was `udp` based on the recommendation at
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https://github.com/coreos/flannel/blob/master/Documentation/backends.md
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