70 lines
3.3 KiB
Go
70 lines
3.3 KiB
Go
/*
|
|
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 images
|
|
|
|
import (
|
|
"fmt"
|
|
"runtime"
|
|
|
|
kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
|
|
"k8s.io/kubernetes/cmd/kubeadm/app/constants"
|
|
"k8s.io/kubernetes/cmd/kubeadm/app/features"
|
|
"k8s.io/kubernetes/cmd/kubeadm/app/phases/addons/dns"
|
|
kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
|
|
)
|
|
|
|
// GetCoreImage generates and returns the image for the core Kubernetes components or returns overrideImage if specified
|
|
func GetCoreImage(image, repoPrefix, k8sVersion, overrideImage string) string {
|
|
if overrideImage != "" {
|
|
return overrideImage
|
|
}
|
|
kubernetesImageTag := kubeadmutil.KubernetesVersionToImageTag(k8sVersion)
|
|
etcdImageTag := constants.DefaultEtcdVersion
|
|
etcdImageVersion, err := constants.EtcdSupportedVersion(k8sVersion)
|
|
if err == nil {
|
|
etcdImageTag = etcdImageVersion.String()
|
|
}
|
|
return map[string]string{
|
|
constants.Etcd: fmt.Sprintf("%s/%s-%s:%s", repoPrefix, "etcd", runtime.GOARCH, etcdImageTag),
|
|
constants.KubeAPIServer: fmt.Sprintf("%s/%s-%s:%s", repoPrefix, "kube-apiserver", runtime.GOARCH, kubernetesImageTag),
|
|
constants.KubeControllerManager: fmt.Sprintf("%s/%s-%s:%s", repoPrefix, "kube-controller-manager", runtime.GOARCH, kubernetesImageTag),
|
|
constants.KubeScheduler: fmt.Sprintf("%s/%s-%s:%s", repoPrefix, "kube-scheduler", runtime.GOARCH, kubernetesImageTag),
|
|
}[image]
|
|
}
|
|
|
|
// GetAllImages returns a list of container images kubeadm expects to use on a control plane node
|
|
func GetAllImages(cfg *kubeadmapi.MasterConfiguration) []string {
|
|
imgs := []string{}
|
|
imgs = append(imgs, GetCoreImage(constants.KubeAPIServer, cfg.ImageRepository, cfg.KubernetesVersion, cfg.UnifiedControlPlaneImage))
|
|
imgs = append(imgs, GetCoreImage(constants.KubeControllerManager, cfg.ImageRepository, cfg.KubernetesVersion, cfg.UnifiedControlPlaneImage))
|
|
imgs = append(imgs, GetCoreImage(constants.KubeScheduler, cfg.ImageRepository, cfg.KubernetesVersion, cfg.UnifiedControlPlaneImage))
|
|
imgs = append(imgs, fmt.Sprintf("%v/%v-%v:%v", cfg.ImageRepository, constants.KubeProxy, runtime.GOARCH, kubeadmutil.KubernetesVersionToImageTag(cfg.KubernetesVersion)))
|
|
imgs = append(imgs, fmt.Sprintf("%v/pause-%v:%v", cfg.ImageRepository, runtime.GOARCH, "3.1"))
|
|
|
|
// if etcd is not external then add the image as it will be required
|
|
if cfg.Etcd.Local != nil {
|
|
imgs = append(imgs, GetCoreImage(constants.Etcd, cfg.ImageRepository, cfg.KubernetesVersion, cfg.Etcd.Local.Image))
|
|
}
|
|
|
|
dnsImage := fmt.Sprintf("%v/k8s-dns-kube-dns-%v:%v", cfg.ImageRepository, runtime.GOARCH, dns.GetDNSVersion(nil, constants.KubeDNS))
|
|
if features.Enabled(cfg.FeatureGates, features.CoreDNS) {
|
|
dnsImage = fmt.Sprintf("coredns/coredns:%v", dns.GetDNSVersion(nil, constants.CoreDNS))
|
|
}
|
|
imgs = append(imgs, dnsImage)
|
|
return imgs
|
|
}
|