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Use CNI 0.8.5 for Kubernetes 1.18+ #8848

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Apr 4, 2020
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Use CNI 0.8.5 for Kubernetes 1.18+ #8848

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16 changes: 12 additions & 4 deletions upup/pkg/fi/cloudup/networking.go
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,10 @@ const (
defaultCNIAssetSHA1StringK8s1_11 = "52e9d2de8a5f927307d9397308735658ee44ab8d"
defaultCNIAssetSHA256StringK8s1_11 = "3ca15c0a18ee830520cf3a95408be826cbd255a1535a38e0be9608b25ad8bf64"

// defaultCNIAssetK8s1_18 is the CNI tarball for k8s >= 1.18
defaultCNIAssetK8s1_18 = "https://storage.googleapis.com/k8s-artifacts-cni/release/v0.8.5/cni-plugins-linux-amd64-v0.8.5.tgz"
defaultCNIAssetSHA256StringK8s1_18 = "bd682ffcf701e8f83283cdff7281aad0c83b02a56084d6e601216210732833f9"

// Environment variable for overriding CNI url
ENV_VAR_CNI_VERSION_URL = "CNI_VERSION_URL"
ENV_VAR_CNI_ASSET_HASH_STRING = "CNI_ASSET_HASH_STRING"
Expand Down Expand Up @@ -160,19 +164,23 @@ func findCNIAssets(c *api.Cluster, assetBuilder *assets.AssetBuilder) (*url.URL,
}

var cniAsset, cniAssetHash string
if util.IsKubernetesGTE("1.15", *sv) {
if util.IsKubernetesGTE("1.18", *sv) {
cniAsset = defaultCNIAssetK8s1_18
cniAssetHash = defaultCNIAssetSHA256StringK8s1_18
klog.V(2).Infof("Adding default CNI asset for k8s >= 1.18: %s", cniAsset)
} else if util.IsKubernetesGTE("1.15", *sv) {
// We're still on the same asset, but we use sha256
cniAsset = defaultCNIAssetK8s1_11
cniAssetHash = defaultCNIAssetSHA256StringK8s1_11
klog.V(2).Infof("Adding default CNI asset for k8s >= 1.11: %s", defaultCNIAssetK8s1_9)
klog.V(2).Infof("Adding default CNI asset for 1.18 > k8s >= 1.11: %s", cniAsset)
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} else if util.IsKubernetesGTE("1.11", *sv) {
cniAsset = defaultCNIAssetK8s1_11
cniAssetHash = defaultCNIAssetSHA1StringK8s1_11
klog.V(2).Infof("Adding default CNI asset for k8s >= 1.11: %s", defaultCNIAssetK8s1_9)
klog.V(2).Infof("Adding default CNI asset for 1.18 > k8s >= 1.11: %s", cniAsset)
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} else {
cniAsset = defaultCNIAssetK8s1_9
cniAssetHash = defaultCNIAssetHashStringK8s1_9
klog.V(2).Infof("Adding default CNI asset for 1.11 > k8s >= 1.9: %s", defaultCNIAssetK8s1_9)
klog.V(2).Infof("Adding default CNI asset for 1.11 > k8s >= 1.9: %s", cniAsset)
}

u, err := url.Parse(cniAsset)
Expand Down