mirror of https://github.com/kubernetes/kops.git
122 lines
3.0 KiB
Go
122 lines
3.0 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package components
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import (
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"fmt"
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"strings"
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/upup/pkg/fi/loader"
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)
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const DefaultBackupImage = "kopeio/etcd-backup:3.0.20210122"
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// EtcdOptionsBuilder adds options for etcd to the model
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type EtcdOptionsBuilder struct {
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*OptionsContext
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}
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var _ loader.OptionsBuilder = &EtcdOptionsBuilder{}
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const (
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DefaultEtcd3Version_1_13 = "3.2.24"
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DefaultEtcd3Version_1_14 = "3.3.10"
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DefaultEtcd3Version_1_17 = "3.4.3"
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DefaultEtcd3Version_1_19 = "3.4.13"
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)
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// BuildOptions is responsible for filling in the defaults for the etcd cluster model
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func (b *EtcdOptionsBuilder) BuildOptions(o interface{}) error {
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spec := o.(*kops.ClusterSpec)
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for i := range spec.EtcdClusters {
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c := &spec.EtcdClusters[i]
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if c.Provider == "" {
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c.Provider = kops.EtcdProviderTypeManager
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}
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// Ensure the version is set
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if c.Version == "" {
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// We run the k8s-recommended versions of etcd
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if b.IsKubernetesGTE("1.19") {
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c.Version = DefaultEtcd3Version_1_19
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} else if b.IsKubernetesGTE("1.17") {
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c.Version = DefaultEtcd3Version_1_17
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} else if b.IsKubernetesGTE("1.14") {
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c.Version = DefaultEtcd3Version_1_14
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} else {
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c.Version = DefaultEtcd3Version_1_13
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}
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}
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// We make sure that etcd v3 is used
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version := strings.TrimPrefix(c.Version, "v")
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if !strings.HasPrefix(version, "3.") {
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return fmt.Errorf("unexpected etcd version %q", c.Version)
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}
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// We enable TLS if we're running EtcdManager
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if c.Provider == kops.EtcdProviderTypeManager {
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c.EnableEtcdTLS = true
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c.EnableTLSAuth = true
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}
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// We remap the etcd manager image when we build the manifest,
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// but we need to map the standalone images here because protokube launches them
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if c.Provider == kops.EtcdProviderTypeLegacy {
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// remap etcd image
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{
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image := c.Image
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if image == "" {
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image = fmt.Sprintf("k8s.gcr.io/etcd:%s", c.Version)
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}
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if image != "" {
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image, err := b.AssetBuilder.RemapImage(image)
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if err != nil {
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return fmt.Errorf("unable to remap container %q: %v", image, err)
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}
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c.Image = image
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}
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}
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// remap backup manager image
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if c.Backups != nil {
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image := c.Backups.Image
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if image == "" {
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image = DefaultBackupImage
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}
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if image != "" {
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image, err := b.AssetBuilder.RemapImage(image)
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if err != nil {
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return fmt.Errorf("unable to remap container %q: %v", image, err)
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}
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c.Backups.Image = image
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}
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}
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}
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}
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return nil
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}
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