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coreos-base/flatcar-eks: update supported kubernetes versions for cgroupv2

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We are switching flatcar to cgroupv2 which is support by docker 20.10 and
kubernetes 1.19. This requires setting the systemd cgroup driver in the kubelet
config.

Due to the unified cgroup hierarchy, kubernetes <1.19 will not work so
remove all older versions.

Signed-off-by: Jeremi Piotrowski <jpiotrowski@microsoft.com>
This commit is contained in:
Jeremi Piotrowski 2021-07-16 14:59:16 +00:00
parent 31c8a6afe8
commit 6e085a168e
3 changed files with 14 additions and 1 deletions
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3
sdk_container/src/third_party/coreos-overlay/coreos-base/flatcar-eks/files/docker-daemon.json vendored
View File

@ -1,5 +1,8 @@
{ {
"bridge": "none", "bridge": "none",
"exec-opts": [
"native.cgroupdriver=systemd"
],
"log-driver": "json-file", "log-driver": "json-file",
"log-opts": { "log-opts": {
"max-size": "10m", "max-size": "10m",

10
sdk_container/src/third_party/coreos-overlay/coreos-base/flatcar-eks/files/download-kubelet.sh vendored
View File

@ -20,7 +20,17 @@ if [[ -z "${CLUSTER_VERSION}" ]]; then
fi fi
# Select the right path depending on the Kubernetes version. # Select the right path depending on the Kubernetes version.
# https://github.com/awslabs/amazon-eks-ami/blob/master/Makefile
case $CLUSTER_VERSION in case $CLUSTER_VERSION in
1.21)
S3_PATH="1.21.2/2021-07-05"
;;
1.20)
S3_PATH="1.20.4/2021-04-12"
;;
1.19)
S3_PATH="1.19.6/2021-01-05"
;;
1.18) 1.18)
S3_PATH="1.18.9/2020-11-02" S3_PATH="1.18.9/2020-11-02"
;; ;;

2
sdk_container/src/third_party/coreos-overlay/coreos-base/flatcar-eks/files/kubelet-config.json vendored
View File

@ -24,7 +24,7 @@
"clusterDomain": "cluster.local", "clusterDomain": "cluster.local",
"hairpinMode": "hairpin-veth", "hairpinMode": "hairpin-veth",
"readOnlyPort": 0, "readOnlyPort": 0,
"cgroupDriver": "cgroupfs", "cgroupDriver": "systemd",
"cgroupRoot": "/", "cgroupRoot": "/",
"featureGates": { "featureGates": {
"RotateKubeletServerCertificate": true "RotateKubeletServerCertificate": true