From 0b033f03d02d31b42fd38cf6e9aadaeca5e7b7ca Mon Sep 17 00:00:00 2001 From: Feilong Wang Date: Mon, 2 Sep 2019 14:52:01 +1200 Subject: [PATCH] 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 --- .../drivers/k8s_fedora_atomic_v1/templates/kubecluster.yaml | 4 ++-- .../using-vxlan-for-flannel-backend-8d82a290ca97d6e2.yaml | 6 ++++++ 2 files changed, 8 insertions(+), 2 deletions(-) create mode 100644 releasenotes/notes/using-vxlan-for-flannel-backend-8d82a290ca97d6e2.yaml diff --git a/magnum/drivers/k8s_fedora_atomic_v1/templates/kubecluster.yaml b/magnum/drivers/k8s_fedora_atomic_v1/templates/kubecluster.yaml index c877afb2de..2c17aaa13c 100644 --- a/magnum/drivers/k8s_fedora_atomic_v1/templates/kubecluster.yaml +++ b/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"] diff --git a/releasenotes/notes/using-vxlan-for-flannel-backend-8d82a290ca97d6e2.yaml b/releasenotes/notes/using-vxlan-for-flannel-backend-8d82a290ca97d6e2.yaml new file mode 100644 index 0000000000..2309e9871b --- /dev/null +++ b/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