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Exit if --kubernetes-version is older than the oldest supported version #4759

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merged 6 commits into from
Sep 5, 2019
Merged

Exit if --kubernetes-version is older than the oldest supported version #4759

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deead30
start: compare specified kubernetes version with oldest supported ver…
serhatcetinkaya Jul 14, 2019
578e325
Merge remote-tracking branch 'upstream/master'
serhatcetinkaya Sep 1, 2019
2230a52
start: check force flag while comparing specified version
serhatcetinkaya Sep 1, 2019
0b829cc
fix warnings
serhatcetinkaya Sep 1, 2019
14b1d84
start.go rename exit.WithCode with exit.WithCodeT
serhatcetinkaya Sep 1, 2019
23cc018
start.go make err type usable for exit.withCodeT
serhatcetinkaya Sep 1, 2019
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14 changes: 14 additions & 0 deletions cmd/minikube/cmd/start.go
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Original file line number Diff line number Diff line change
Expand Up @@ -848,6 +848,20 @@ func validateKubernetesVersions(old *cfg.Config) (string, bool) {
return nv, isUpgrade
}

oldestVersion, err := semver.Make(strings.TrimPrefix(constants.OldestKubernetesVersion, version.VersionPrefix))
if err != nil {
exit.WithCodeT(exit.Data, "Unable to parse oldest Kubernetes version from constants: {{.error}}", out.V{"error": err})
}

if nvs.LT(oldestVersion) {
out.WarningT("Specified Kubernetes version {{.specified}} is less than the oldest supported version: {{.oldest}}", out.V{"specified": nvs, "oldest": constants.OldestKubernetesVersion})
if viper.GetBool(force) {
out.WarningT("Kubernetes {{.version}} is not supported by this release of minikube", out.V{"version": nvs})
} else {
exit.WithCodeT(exit.Data, "Sorry, Kubernetes {{.version}} is not supported by this release of minikube", out.V{"version": nvs})
}
}

ovs, err := semver.Make(strings.TrimPrefix(old.KubernetesConfig.KubernetesVersion, version.VersionPrefix))
if err != nil {
glog.Errorf("Error parsing old version %q: %v", old.KubernetesConfig.KubernetesVersion, err)
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