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Merge pull request #85494 from yutedz/node-cidr-mask

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Fill in default node cidr mask size when dual stack is not enabled
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Kubernetes Prow Robot 2019-11-20 21:01:28 -08:00 committed by GitHub
commit 3c5dad61f7
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1 changed files with 4 additions and 3 deletions
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7
cmd/kubeadm/app/phases/controlplane/manifests.go
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@ -315,11 +315,8 @@ func getControllerManagerCommand(cfg *kubeadmapi.ClusterConfiguration) []string
// Let the controller-manager allocate Node CIDRs for the Pod network.
// Each node will get a subspace of the address CIDR provided with --pod-network-cidr.
if cfg.Networking.PodSubnet != "" {
// TODO(Arvinderpal): Needs to be fixed once PR #73977 lands. Should be a list of maskSizes.
maskSize := calcNodeCidrSize(cfg.Networking.PodSubnet)
defaultArguments["allocate-node-cidrs"] = "true"
defaultArguments["cluster-cidr"] = cfg.Networking.PodSubnet
defaultArguments["node-cidr-mask-size"] = maskSize
if cfg.Networking.ServiceSubnet != "" {
defaultArguments["service-cluster-ip-range"] = cfg.Networking.ServiceSubnet
}
@ -329,6 +326,10 @@ func getControllerManagerCommand(cfg *kubeadmapi.ClusterConfiguration) []string
// Note: The user still retains the ability to explicitly set feature-gates and that value will overwrite this base value.
if enabled, present := cfg.FeatureGates[features.IPv6DualStack]; present {
defaultArguments["feature-gates"] = fmt.Sprintf("%s=%t", features.IPv6DualStack, enabled)
} else if cfg.Networking.PodSubnet != "" {
// TODO(Arvinderpal): Needs to be fixed once PR #73977 lands. Should be a list of maskSizes.
maskSize := calcNodeCidrSize(cfg.Networking.PodSubnet)
defaultArguments["node-cidr-mask-size"] = maskSize
}
command := []string{"kube-controller-manager"}