mirror of https://github.com/kubernetes/kops.git
92 lines
2.9 KiB
Go
92 lines
2.9 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 etcdmanager
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import (
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"fmt"
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"sort"
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"strings"
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"k8s.io/klog/v2"
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/pkg/featureflag"
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"k8s.io/kops/pkg/model/components"
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"k8s.io/kops/pkg/urls"
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"k8s.io/kops/upup/pkg/fi/loader"
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)
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// EtcdManagerOptionsBuilder adds options for the etcd-manager to the model.
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type EtcdManagerOptionsBuilder struct {
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*components.OptionsContext
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}
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var _ loader.OptionsBuilder = &EtcdManagerOptionsBuilder{}
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// BuildOptions generates the configurations used to create etcd manager manifest
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func (b *EtcdManagerOptionsBuilder) BuildOptions(o interface{}) error {
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clusterSpec := o.(*kops.ClusterSpec)
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for i := range clusterSpec.EtcdClusters {
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etcdCluster := &clusterSpec.EtcdClusters[i]
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if etcdCluster.Backups == nil {
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etcdCluster.Backups = &kops.EtcdBackupSpec{}
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}
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if etcdCluster.Backups.BackupStore == "" {
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base := clusterSpec.ConfigBase
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etcdCluster.Backups.BackupStore = urls.Join(base, "backups", "etcd", etcdCluster.Name)
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}
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if !etcdVersionIsSupported(etcdCluster.Version) {
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if featureflag.SkipEtcdVersionCheck.Enabled() {
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klog.Warningf("etcd version %q is not known to be supported, but ignoring because of SkipEtcdVersionCheck feature flag", etcdCluster.Version)
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} else {
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klog.Warningf("Unsupported etcd version %q detected; please update etcd version.", etcdCluster.Version)
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klog.Warningf("Use export KOPS_FEATURE_FLAGS=SkipEtcdVersionCheck to override this check.")
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klog.Warningf("Supported etcd versions: %s", strings.Join(etcdSupportedVersions(), ", "))
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return fmt.Errorf("etcd version %q is not supported with etcd-manager, please specify a supported version or remove the value to use the recommended version", etcdCluster.Version)
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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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var etcdSupportedImages = map[string]string{
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"3.2.24": "registry.k8s.io/etcd:3.2.24-1",
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"3.3.17": "registry.k8s.io/etcd:3.3.17-0",
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"3.4.13": "registry.k8s.io/etcd:3.4.13-0",
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"3.5.7": "registry.k8s.io/etcd:3.5.7-0",
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"3.5.9": "registry.k8s.io/etcd:3.5.9-0",
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}
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func etcdSupportedVersions() []string {
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var versions []string
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for etcdVersion := range etcdSupportedImages {
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versions = append(versions, etcdVersion)
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}
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sort.Strings(versions)
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return versions
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}
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func etcdVersionIsSupported(version string) bool {
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version = strings.TrimPrefix(version, "v")
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if _, ok := etcdSupportedImages[version]; ok {
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return true
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}
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return false
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}
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