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registry_mirror.go
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registry_mirror.go
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package clusterapi
import (
_ "embed"
"fmt"
etcdbootstrapv1 "github.com/aws/etcdadm-bootstrap-provider/api/v1beta1"
etcdv1 "github.com/aws/etcdadm-controller/api/v1beta1"
bootstrapv1 "sigs.k8s.io/cluster-api/bootstrap/kubeadm/api/v1beta1"
controlplanev1 "sigs.k8s.io/cluster-api/controlplane/kubeadm/api/v1beta1"
"github.com/aws/eks-anywhere/pkg/api/v1alpha1"
"github.com/aws/eks-anywhere/pkg/registrymirror"
"github.com/aws/eks-anywhere/pkg/registrymirror/containerd"
"github.com/aws/eks-anywhere/pkg/templater"
)
//go:embed config/containerd_config_append.toml
var containerdConfig string
// SetRegistryMirrorInKubeadmControlPlaneForBottlerocket sets up registry mirror configuration in kubeadmControlPlane for bottlerocket.
func SetRegistryMirrorInKubeadmControlPlaneForBottlerocket(kcp *controlplanev1.KubeadmControlPlane, mirrorConfig *v1alpha1.RegistryMirrorConfiguration) {
if mirrorConfig == nil {
return
}
kcp.Spec.KubeadmConfigSpec.ClusterConfiguration.RegistryMirror = registryMirror(mirrorConfig)
kcp.Spec.KubeadmConfigSpec.JoinConfiguration.RegistryMirror = registryMirror(mirrorConfig)
}
// SetRegistryMirrorInKubeadmControlPlaneForUbuntu sets up registry mirror configuration in kubeadmControlPlane for ubuntu.
func SetRegistryMirrorInKubeadmControlPlaneForUbuntu(kcp *controlplanev1.KubeadmControlPlane, mirrorConfig *v1alpha1.RegistryMirrorConfiguration) error {
if mirrorConfig == nil {
return nil
}
return addRegistryMirrorInKubeadmConfigSpecFiles(&kcp.Spec.KubeadmConfigSpec, mirrorConfig)
}
// SetRegistryMirrorInKubeadmConfigTemplateForBottlerocket sets up registry mirror configuration in kubeadmConfigTemplate for bottlerocket.
func SetRegistryMirrorInKubeadmConfigTemplateForBottlerocket(kct *bootstrapv1.KubeadmConfigTemplate, mirrorConfig *v1alpha1.RegistryMirrorConfiguration) {
if mirrorConfig == nil {
return
}
kct.Spec.Template.Spec.JoinConfiguration.RegistryMirror = registryMirror(mirrorConfig)
}
// SetRegistryMirrorInKubeadmConfigTemplateForUbuntu sets up registry mirror configuration in kubeadmConfigTemplate for ubuntu.
func SetRegistryMirrorInKubeadmConfigTemplateForUbuntu(kct *bootstrapv1.KubeadmConfigTemplate, mirrorConfig *v1alpha1.RegistryMirrorConfiguration) error {
if mirrorConfig == nil {
return nil
}
return addRegistryMirrorInKubeadmConfigSpecFiles(&kct.Spec.Template.Spec, mirrorConfig)
}
// setRegistryMirrorInEtcdCluster sets up registry mirror configuration in etcdadmCluster.
func setRegistryMirrorInEtcdCluster(etcd *etcdv1.EtcdadmCluster, mirrorConfig *v1alpha1.RegistryMirrorConfiguration) {
if mirrorConfig == nil {
return
}
etcd.Spec.EtcdadmConfigSpec.RegistryMirror = &etcdbootstrapv1.RegistryMirrorConfiguration{
Endpoint: containerd.ToAPIEndpoint(registrymirror.FromClusterRegistryMirrorConfiguration(mirrorConfig).CoreEKSAMirror()),
CACert: mirrorConfig.CACertContent,
}
}
func registryMirror(mirrorConfig *v1alpha1.RegistryMirrorConfiguration) bootstrapv1.RegistryMirrorConfiguration {
return bootstrapv1.RegistryMirrorConfiguration{
Endpoint: containerd.ToAPIEndpoint(registrymirror.FromClusterRegistryMirrorConfiguration(mirrorConfig).CoreEKSAMirror()),
CACert: mirrorConfig.CACertContent,
}
}
type values map[string]interface{}
func registryMirrorConfigContent(registryMirror *registrymirror.RegistryMirror) (string, error) {
val := values{
"registryMirrorMap": containerd.ToAPIEndpoints(registryMirror.NamespacedRegistryMap),
"mirrorBase": registryMirror.BaseRegistry,
"registryCACert": registryMirror.CACertContent,
"insecureSkip": registryMirror.InsecureSkipVerify,
}
config, err := templater.Execute(containerdConfig, val)
if err != nil {
return "", fmt.Errorf("building containerd config file: %v", err)
}
return string(config), nil
}
func registryMirrorConfig(registryMirrorConfig *v1alpha1.RegistryMirrorConfiguration) (files []bootstrapv1.File, err error) {
registryMirror := registrymirror.FromClusterRegistryMirrorConfiguration(registryMirrorConfig)
registryConfig, err := registryMirrorConfigContent(registryMirror)
if err != nil {
return nil, err
}
files = []bootstrapv1.File{
{
Path: "/etc/containerd/config_append.toml",
Owner: "root:root",
Content: registryConfig,
},
}
if registryMirrorConfig.CACertContent != "" {
files = append(files, bootstrapv1.File{
Path: fmt.Sprintf("/etc/containerd/certs.d/%s/ca.crt", registryMirror.BaseRegistry),
Owner: "root:root",
Content: registryMirrorConfig.CACertContent,
})
}
return files, nil
}
func addRegistryMirrorInKubeadmConfigSpecFiles(kcs *bootstrapv1.KubeadmConfigSpec, mirrorConfig *v1alpha1.RegistryMirrorConfiguration) error {
containerdFiles, err := registryMirrorConfig(mirrorConfig)
if err != nil {
return fmt.Errorf("setting registry mirror configuration: %v", err)
}
kcs.Files = append(kcs.Files, containerdFiles...)
return nil
}