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Modify kubernetes version check to allow upgrade

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This commit is contained in:
galal-hussein
2019-03-01 20:09:45 +02:00
committed by Alena Prokharchyk
parent 6d21f0eec2
commit 9d85116568
5 changed files with 179 additions and 65 deletions
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44
util/util.go
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@@ -68,50 +68,6 @@ func IsSymlink(file string) (bool, error) {
return false, nil
}
// ValidateVersion - Return error if version is not valid
// Is version major.minor >= oldest major.minor supported
// Is version in the AllK8sVersions list
// Is version not in the "bad" list
func ValidateVersion(version string) error {
// Create target version and current versions list
targetVersion, err := StrToSemVer(version)
if err != nil {
return fmt.Errorf("%s is not valid semver", version)
}
currentVersionsList := []*semver.Version{}
for _, ver := range v3.K8sVersionsCurrent {
v, err := StrToSemVer(ver)
if err != nil {
return fmt.Errorf("%s in Current Versions list is not valid semver", ver)
}
currentVersionsList = append(currentVersionsList, v)
}
// Make sure Target version is greater than or equal to oldest major.minor supported.
semver.Sort(currentVersionsList)
if targetVersion.Major < currentVersionsList[0].Major {
return fmt.Errorf("%s is an unsupported Kubernetes version - see 'rke config --system-images --all' for versions supported with this release", version)
}
if targetVersion.Major == currentVersionsList[0].Major {
if targetVersion.Minor < currentVersionsList[0].Minor {
return fmt.Errorf("%s is an unsupported Kubernetes version - see 'rke config --system-images --all' for versions supported with this release", version)
}
}
// Make sure Target version is in the AllK8sVersions list.
_, ok := v3.AllK8sVersions[version]
if !ok {
return fmt.Errorf("%s is an unsupported Kubernetes version - see 'rke config --system-images --all' for versions supported with this release", version)
}
// Make sure Target version is not "bad".
_, ok = v3.K8sBadVersions[version]
if ok {
return fmt.Errorf("%s is an unsupported Kubernetes version - see 'rke config --system-images --all' for versions supported with this release", version)
}
return nil
}
func GetDefaultRKETools() string {
return v3.AllK8sVersions[v3.DefaultK8s].Alpine
}