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chore(DM01-5150): Support oldest GKE cluster versions #594

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Merged
liuwei08 merged 1 commit into from
Jan 29, 2026
+20 −0
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chore(DM01-5150): Support oldest GKE cluster versions #594

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20 changes: 20 additions & 0 deletions src/services/gcp/pkg/stub/handler.go
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Original file line number Diff line number Diff line change
Expand Up @@ -746,6 +746,26 @@ func getExactClusterVersion(cr *v1alpha1.GKECluster, log *logrus.Entry) (string,
}
}

if cr.Spec.ClusterVersion == "oldest" {
version := "" //Store the oldest available version
for _, c := range config.Channels {
if c.Channel == "RAPID" {
for i, v := range c.ValidVersions {
if i == 0 {
version = v
} else {
sliceVersion := strings.Split(version, ".")
sliceV := strings.Split(v, ".") //Compare major version at first and then minor version
if (sliceVersion[1] > sliceV[1]) || (sliceVersion[1] == sliceV[1] && sliceVersion[3] > sliceV[3]) {
version = v
}
}
}
return version, strings.ToLower(c.Channel), nil
}
}
}

for _, c := range config.Channels {
if strings.ToLower(c.Channel) == "extended" {
// extended in not supported by --release-channel extended in current gcloud version
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