ce0ab00360
We use constants.OldestKubernetesVersion for testing the oldest version and limiting --kubernetes-version when starting the clusters. Our tradition is testing 6 releases back from current version, but we were testing 14 release back (1.20.0). For upgrading containerd to latest version (v2.1.4) we need to upgrade to a newer release. Upgrade constants.OldestKubernetesVersion to 1.28.0 which seems to pass all tests. legacyVersion() used in version_upgrade_test.go was 1.26.0. The comment in file mention that this should be release from the last 6 month. We do see failures in the relevant tests (TestRunningBinaryUpgrade) in many builds so I bumped it as well to 1.32.0 (2 releases back from current). In preload_test.go we tested --kubernetes-version=1.24.4 which is not compatible with containerd v2. Use legacyVersion() instead so we don't need to maintain another version. We had many example of --kubernetes-version in the docs using older version which are not supported. Replace all example with current version to minimize future maintenance. We need to automated this later so updating the version in minikube will also update the examples. With this change we have 2 places to update kubernetes versions: - constants.*KubernetesVersion - legacyVersion() |
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