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defaults.go
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defaults.go
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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v1alpha1
import (
"net/url"
"strings"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/kubernetes/cmd/kubeadm/app/constants"
)
const (
DefaultServiceDNSDomain = "cluster.local"
DefaultServicesSubnet = "10.96.0.0/12"
DefaultKubernetesVersion = "stable-1.8"
DefaultAPIBindPort = 6443
DefaultAuthorizationModes = "Node,RBAC"
DefaultCACertPath = "/etc/kubernetes/pki/ca.crt"
DefaultCertificatesDir = "/etc/kubernetes/pki"
DefaultEtcdDataDir = "/var/lib/etcd"
DefaultImageRepository = "gcr.io/google_containers"
)
func addDefaultingFuncs(scheme *runtime.Scheme) error {
return RegisterDefaults(scheme)
}
func SetDefaults_MasterConfiguration(obj *MasterConfiguration) {
if obj.KubernetesVersion == "" {
obj.KubernetesVersion = DefaultKubernetesVersion
}
if obj.API.BindPort == 0 {
obj.API.BindPort = DefaultAPIBindPort
}
if obj.Networking.ServiceSubnet == "" {
obj.Networking.ServiceSubnet = DefaultServicesSubnet
}
if obj.Networking.DNSDomain == "" {
obj.Networking.DNSDomain = DefaultServiceDNSDomain
}
if len(obj.AuthorizationModes) == 0 {
obj.AuthorizationModes = strings.Split(DefaultAuthorizationModes, ",")
}
if obj.CertificatesDir == "" {
obj.CertificatesDir = DefaultCertificatesDir
}
if obj.TokenTTL == nil {
obj.TokenTTL = &metav1.Duration{
Duration: constants.DefaultTokenDuration,
}
}
if obj.ImageRepository == "" {
obj.ImageRepository = DefaultImageRepository
}
if obj.Etcd.DataDir == "" {
obj.Etcd.DataDir = DefaultEtcdDataDir
}
}
func SetDefaults_NodeConfiguration(obj *NodeConfiguration) {
if obj.CACertPath == "" {
obj.CACertPath = DefaultCACertPath
}
if len(obj.TLSBootstrapToken) == 0 {
obj.TLSBootstrapToken = obj.Token
}
if len(obj.DiscoveryToken) == 0 && len(obj.DiscoveryFile) == 0 {
obj.DiscoveryToken = obj.Token
}
// Make sure file URLs become paths
if len(obj.DiscoveryFile) != 0 {
u, err := url.Parse(obj.DiscoveryFile)
if err == nil && u.Scheme == "file" {
obj.DiscoveryFile = u.Path
}
}
}