Created
November 14, 2017 21:14
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// EnsureProxyAddon creates the kube-proxy addons | |
func EnsureProxyAddon(cfg *kubeadmapi.MasterConfiguration, client clientset.Interface) error { | |
if err := CreateServiceAccount(client); err != nil { | |
return fmt.Errorf("error when creating kube-proxy service account: %v", err) | |
} | |
// Generate Master Enpoint kubeconfig file | |
masterEndpoint, err := kubeadmutil.GetMasterEndpoint(cfg) | |
if err != nil { | |
return err | |
} | |
ip := net.ParseIP(cfg.API.AdvertiseAddress) | |
if ip.To4() == nil && ip.To16() != nil { | |
//bindAddress = "\"::\"" | |
cfg.KubeProxy.Config.BindAddress = "::" | |
//} else { | |
// bindAddress = "0.0.0.0" | |
} | |
// Validate the kube-proxy bind address | |
bindAddress := cfg.KubeProxy.Config.BindAddress | |
//if net.ParseIP(bindAddress) == nil { | |
// return fmt.Errorf("kube-proxy bind address '%s' is not a valid IP address", bindAddress) | |
//} | |
// If the bind address begins with a ':' (e.g. the IPv6 address '::'), | |
// then wrap it in double quotes; otherwise the config parser will | |
// consider it a syntax error. | |
if bindAddress[0] == ':' { | |
bindAddress = "\"" + bindAddress + "\"" | |
} | |
ser, err := kubeadmutil.MarshalToYaml(&cfg.KubeProxy.Config, v1.SchemeGroupVersion) | |
if err != nil { | |
return fmt.Errorf("error when marshaling: %v", err) | |
} | |
proxyConfigMapBytes, err := kubeadmutil.ParseTemplate(KubeProxyConfigMap, | |
struct { | |
MasterEndpoint string | |
Config []byte | |
}{ | |
MasterEndpoint: masterEndpoint, | |
Config: ser, | |
}) | |
if err != nil { | |
return fmt.Errorf("error when parsing kube-proxy configmap template: %v", err) | |
} | |
proxyDaemonSetBytes, err := kubeadmutil.ParseTemplate(KubeProxyDaemonSet, struct{ ImageRepository, Arch, Version, ImageOverride, ExtraParams, ClusterCIDR, MasterTaintKey, CloudTaintKey string }{ | |
ImageRepository: cfg.GetControlPlaneImageRepository(), | |
Arch: runtime.GOARCH, | |
Version: kubeadmutil.KubernetesVersionToImageTag(cfg.KubernetesVersion), | |
ImageOverride: cfg.UnifiedControlPlaneImage, | |
ExtraParams: getParams(cfg.FeatureGates), | |
ClusterCIDR: getClusterCIDR(cfg.Networking.PodSubnet), | |
MasterTaintKey: kubeadmconstants.LabelNodeRoleMaster, | |
CloudTaintKey: algorithm.TaintExternalCloudProvider, | |
}) | |
if err != nil { | |
return fmt.Errorf("error when parsing kube-proxy daemonset template: %v", err) | |
} | |
if err := createKubeProxyAddon(proxyConfigMapBytes, proxyDaemonSetBytes, client); err != nil { | |
return err | |
} | |
if err := CreateRBACRules(client); err != nil { | |
return fmt.Errorf("error when creating kube-proxy RBAC rules: %v", err) | |
} | |
fmt.Println("[addons] Applied essential addon: kube-proxy") | |
return nil | |
} |
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