Add support for EKS 1.31

pkg/actions/cluster/upgrade.go

@@ -132,6 +132,8 @@ func getNextVersion(currentVersion string) (string, error) {
 		return api.Version1_30, nil
 	case api.Version1_30:
 		return api.Version1_31, nil
+	case api.Version1_31:
+		return api.Version1_32, nil
 	default:
 		// version of control plane is not known to us, maybe we are just too old...
 		return "", fmt.Errorf("control plane version %q is not known to this version of eksctl, try to upgrade eksctl first", currentVersion)

pkg/actions/cluster/upgrade_test.go

@@ -86,9 +86,9 @@ var _ = Describe("upgrade cluster", func() {
 		}),
 
 		Entry("fails when the version is still not supported", upgradeCase{
-			givenVersion:      "1.31",
+			givenVersion:      "1.32",
 			eksVersion:        api.LatestVersion,
-			expectedErrorText: "control plane version \"1.31\" is not known to this version of eksctl",
+			expectedErrorText: "control plane version \"1.32\" is not known to this version of eksctl",
 		}),
 	)
 })

pkg/actions/nodegroup/testdata/al2-updated-template.json

@@ -140,7 +140,7 @@
           ]
         },
         "NodegroupName": "amazonlinux2",
-        "ReleaseVersion": "1.30-20201212",
+        "ReleaseVersion": "1.31-20201212",
         "ScalingConfig": {
           "DesiredSize": 4,
           "MaxSize": 4,