Drop support for Kubernetes < 1.17 (gardener#5272)

nickytd · Jan 24, 2022 · 7331b35 · 7331b35
1 parent d7fa91d
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diff --git a/.ci/tm-config.yaml b/.ci/tm-config.yaml
diff --git a/README.md b/README.md
@@ -38,15 +38,15 @@ Gardener takes part in the [Certified Kubernetes Conformance Program](https://ww
 
 Continuous conformance test results of the latest stable Gardener release are uploaded regularly to the CNCF test grid:
 
-| Provider/K8s | v1.23 | v1.22 | v1.21 | v1.20 | v1.19 | v1.18 | v1.17 | v1.16 | v1.15 |
-| ------------ | ------------ | ------------ | ------------ | ------------ | ---------- | ----------- | ----------- | ----------- | -----------|
-| **AWS** | N/A | [![Gardener v1.22 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.22%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.22%20AWS) | [![Gardener v1.21 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.21%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.21%20AWS) | [![Gardener v1.20 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.20%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.20%20AWS) | [![Gardener v1.19 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.19%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.19%20AWS)  | [![Gardener v1.18 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.18%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.18%20AWS) | [![Gardener v1.17 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.17%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.17%20AWS) | [![Gardener v1.16 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.16%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.16%20AWS) | [1] |
-| **Azure** | N/A | [![Gardener v1.22 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.22%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.22%20Azure) | [![Gardener v1.21 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.21%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.21%20Azure) | [![Gardener v1.20 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.20%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.20%20Azure) | [![Gardener v1.19 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.19%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.19%20Azure) | [![Gardener v1.18 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.18%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.18%20Azure) | [![Gardener v1.17 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.17%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.17%20Azure) | [![Gardener v1.16 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.16%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.16%20Azure) | [1] |
-| **GCP** | N/A | [![Gardener v1.22 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.22%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.22%20GCE) | [![Gardener v1.21 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.21%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.21%20GCE) | [![Gardener v1.20 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.20%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.20%20GCE) | [![Gardener v1.19 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.19%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.19%20GCE) | [![Gardener v1.18 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.18%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.18%20GCE) | [![Gardener v1.17 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.17%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.17%20GCE) | [![Gardener v1.16 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.16%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.16%20GCE) | [1] |
-| **OpenStack** | N/A | [![Gardener v1.22 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.22%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.22%20OpenStack) | [![Gardener v1.21 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.21%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.21%20OpenStack) | [![Gardener v1.20 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.20%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.20%20OpenStack) | [![Gardener v1.19 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.19%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.19%20OpenStack) | [![Gardener v1.18 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.18%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.18%20OpenStack) | [![Gardener v1.17 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.17%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.17%20OpenStack) | [![Gardener v1.16 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.16%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.16%20OpenStack) | [1] |
-| **Alicloud** | N/A | [![Gardener v1.22 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.22%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.22%20Alibaba%20Cloud) | [![Gardener v1.21 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.21%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.21%20Alibaba%20Cloud) | [![Gardener v1.20 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.20%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.20%20Alibaba%20Cloud) | [![Gardener v1.19 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.19%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.19%20Alibaba%20Cloud) | [![Gardener v1.18 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.18%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.18%20Alibaba%20Cloud) | [![Gardener v1.17 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.17%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.17%20Alibaba%20Cloud) | [![Gardener v1.16 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.16%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.16%20Alibaba%20Cloud) | [1] |
-| **Equinix Metal** | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
-| **vSphere** | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
+| Provider/K8s | v1.23 | v1.22 | v1.21 | v1.20 | v1.19 | v1.18 | v1.17 |
+| ------------ | ------------ | ------------ | ------------ | ------------ | ---------- | ----------- | ----------- |
+| **AWS** | N/A | [![Gardener v1.22 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.22%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.22%20AWS) | [![Gardener v1.21 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.21%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.21%20AWS) | [![Gardener v1.20 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.20%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.20%20AWS) | [![Gardener v1.19 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.19%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.19%20AWS)  | [![Gardener v1.18 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.18%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.18%20AWS) | [![Gardener v1.17 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.17%20AWS/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.17%20AWS) |
+| **Azure** | N/A | [![Gardener v1.22 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.22%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.22%20Azure) | [![Gardener v1.21 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.21%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.21%20Azure) | [![Gardener v1.20 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.20%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.20%20Azure) | [![Gardener v1.19 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.19%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.19%20Azure) | [![Gardener v1.18 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.18%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.18%20Azure) | [![Gardener v1.17 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.17%20Azure/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.17%20Azure) |
+| **GCP** | N/A | [![Gardener v1.22 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.22%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.22%20GCE) | [![Gardener v1.21 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.21%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.21%20GCE) | [![Gardener v1.20 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.20%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.20%20GCE) | [![Gardener v1.19 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.19%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.19%20GCE) | [![Gardener v1.18 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.18%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.18%20GCE) | [![Gardener v1.17 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.17%20GCE/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.17%20GCE) |
+| **OpenStack** | N/A | [![Gardener v1.22 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.22%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.22%20OpenStack) | [![Gardener v1.21 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.21%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.21%20OpenStack) | [![Gardener v1.20 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.20%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.20%20OpenStack) | [![Gardener v1.19 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.19%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.19%20OpenStack) | [![Gardener v1.18 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.18%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.18%20OpenStack) | [![Gardener v1.17 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.17%20OpenStack/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.17%20OpenStack) |
+| **Alicloud** | N/A | [![Gardener v1.22 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.22%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.22%20Alibaba%20Cloud) | [![Gardener v1.21 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.21%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.21%20Alibaba%20Cloud) | [![Gardener v1.20 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.20%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.20%20Alibaba%20Cloud) | [![Gardener v1.19 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.19%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.19%20Alibaba%20Cloud) | [![Gardener v1.18 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.18%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.18%20Alibaba%20Cloud) | [![Gardener v1.17 Conformance Tests](https://testgrid.k8s.io/q/summary/conformance-gardener/Gardener,%20v1.17%20Alibaba%20Cloud/tests_status?style=svg)](https://testgrid.k8s.io/conformance-gardener#Gardener,%20v1.17%20Alibaba%20Cloud) |
+| **Equinix Metal** | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
+| **vSphere** | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
 
 [1] Conformance tests are still executed and validated, unfortunately [no longer shown in TestGrid](https://github.com/kubernetes/test-infra/pull/18509#issuecomment-668204180).
 

diff --git a/charts/images.yaml b/charts/images.yaml
@@ -46,48 +46,22 @@ images:
   sourceRepository: github.com/gardener/hyperkube
   repository: eu.gcr.io/gardener-project/hyperkube
   targetVersion: ">= 1.19"
-- name: kube-apiserver
-  sourceRepository: github.com/kubernetes/kubernetes
-  repository: k8s.gcr.io/hyperkube
-  targetVersion: "< 1.17"
 - name: kube-apiserver
   sourceRepository: github.com/kubernetes/kubernetes
   repository: k8s.gcr.io/kube-apiserver
-  targetVersion: ">= 1.17"
-- name: kube-controller-manager
-  sourceRepository: github.com/kubernetes/kubernetes
-  repository: k8s.gcr.io/hyperkube
-  targetVersion: "< 1.17"
 - name: kube-controller-manager
   sourceRepository: github.com/kubernetes/kubernetes
   repository: k8s.gcr.io/kube-controller-manager
-  targetVersion: ">= 1.17"
-- name: kube-scheduler
-  sourceRepository: github.com/kubernetes/kubernetes
-  repository: k8s.gcr.io/hyperkube
-  targetVersion: "< 1.17"
 - name: kube-scheduler
   sourceRepository: github.com/kubernetes/kubernetes
   repository: k8s.gcr.io/kube-scheduler
-  targetVersion: ">= 1.17"
-- name: kube-proxy
-  sourceRepository: github.com/kubernetes/kubernetes
-  repository: k8s.gcr.io/hyperkube
-  targetVersion: "< 1.17"
 - name: kube-proxy
   sourceRepository: github.com/kubernetes/kubernetes
   repository: k8s.gcr.io/kube-proxy
-  targetVersion: ">= 1.17"
 - name: cluster-autoscaler
   sourceRepository: github.com/gardener/autoscaler
   repository: eu.gcr.io/gardener-project/gardener/autoscaler/cluster-autoscaler
   tag: "v0.19.0"
-  targetVersion: ">= 1.16"
-- name: cluster-autoscaler
-  sourceRepository: github.com/gardener/autoscaler
-  repository: eu.gcr.io/gardener-project/gardener/autoscaler/cluster-autoscaler
-  targetVersion: "< 1.16"
-  tag: "v0.10.2"
 - name: vpn-seed
   sourceRepository: github.com/gardener/vpn
   repository: eu.gcr.io/gardener-project/gardener/vpn-seed
@@ -154,16 +128,11 @@ images:
   tag: "v0.8.7"
 
 # Shoot optional addons
-- name: kubernetes-dashboard
-  sourceRepository: github.com/kubernetes/dashboard
-  repository: k8s.gcr.io/kubernetes-dashboard-amd64
-  tag: v1.10.1
-  targetVersion: "< 1.16"
 - name: kubernetes-dashboard
   sourceRepository: github.com/kubernetes/dashboard
   repository: kubernetesui/dashboard
   tag: v2.0.3
-  targetVersion: ">= 1.16, < 1.19"
+  targetVersion: "< 1.19"
 - name: kubernetes-dashboard
   sourceRepository: github.com/kubernetes/dashboard
   repository: kubernetesui/dashboard
@@ -173,7 +142,6 @@ images:
   sourceRepository: github.com/kubernetes/dashboard
   repository: kubernetesui/metrics-scraper
   tag: v1.0.4
-  targetVersion: ">= 1.16"
 - name: nginx-ingress-controller
   sourceRepository: github.com/kubernetes/ingress-nginx
   repository: quay.io/kubernetes-ingress-controller/nginx-ingress-controller