support semver_metadata imagetags

This commit is contained in:
Jared Rodriguez 2021-03-17 11:11:06 -05:00
parent 0649dfbb52
commit 5f9a44e1e6
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@ -20,6 +20,7 @@ import (
"fmt"
"os"
"path/filepath"
"strings"
"time"
"github.com/pkg/errors"
@ -286,7 +287,8 @@ func performEtcdStaticPodUpgrade(certsRenewMgr *renewal.Manager, client clientse
// or the kubeadm preferred one for the desired Kubernetes version
var desiredEtcdVersion *version.Version
if cfg.Etcd.Local.ImageTag != "" {
desiredEtcdVersion, err = version.ParseSemantic(cfg.Etcd.Local.ImageTag)
desiredEtcdVersion, err = version.ParseSemantic(
ConvertImageTagMetadataToSemver(cfg.Etcd.Local.ImageTag))
if err != nil {
return true, errors.Wrapf(err, "failed to parse tag %q as a semantic version", cfg.Etcd.Local.ImageTag)
}
@ -643,5 +645,14 @@ func GetEtcdImageTagFromStaticPod(manifestDir string) (string, error) {
return "", err
}
return image.TagFromImage(pod.Spec.Containers[0].Image), nil
return ConvertImageTagMetadataToSemver(image.TagFromImage(pod.Spec.Containers[0].Image)), nil
}
// ConvertImageTagMetadataToSemver converts imagetag in the format of semver_metadata to semver+metadata
func ConvertImageTagMetadataToSemver(tag string) string {
// Container registries do not support `+` characters in tag names. This prevents imagetags from
// correctly representing semantic versions which use the plus symbol to delimit build metadata.
// Kubernetes uses the the convention of using an underscore in image registries to preserve
// build metadata information in imagetags.
return strings.Replace(tag, "_", "+", 1)
}