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https://github.com/kubernetes-sigs/kind.git
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add minimal test cases to kustomize
This commit is contained in:
Benjamin Elder
216
pkg/internal/util/kustomize/kutomize_test.go
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216
pkg/internal/util/kustomize/kutomize_test.go
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/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kustomize
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import (
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"testing"
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"sigs.k8s.io/kind/pkg/internal/apis/config"
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"sigs.k8s.io/kind/pkg/internal/util/assert"
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)
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func TestBuild(t *testing.T) {
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type testCase struct {
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Name string
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Resources []string
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Patches []string
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PatchesJSON6902 []config.PatchJSON6902
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ExpectError bool
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ExpectOutput string
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}
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cases := []testCase{
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{
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Name: "kubeadm config no patches",
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Resources: []string{normalKubeadmConfig},
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ExpectError: false,
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ExpectOutput: normalKubeadmConfigKustomized,
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},
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{
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Name: "kubeadm config bogus patches",
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Resources: []string{normalKubeadmConfig},
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Patches: []string{"b o g u s"},
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ExpectError: true,
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},
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}
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for _, tc := range cases {
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tc := tc // capture test case
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t.Run(tc.Name, func(t *testing.T) {
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t.Parallel()
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out, err := Build(tc.Resources, tc.Patches, tc.PatchesJSON6902)
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assert.ExpectError(t, tc.ExpectError, err)
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if err == nil {
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assert.StringEqual(t, tc.ExpectOutput, out)
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}
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})
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}
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}
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const normalKubeadmConfig = `# config generated by kind
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apiVersion: kubeadm.k8s.io/v1beta2
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kind: ClusterConfiguration
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metadata:
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name: config
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kubernetesVersion: v1.15.3
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clusterName: "kind"
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controlPlaneEndpoint: "192.168.9.3:6443"
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# on docker for mac we have to expose the api server via port forward,
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# so we need to ensure the cert is valid for localhost so we can talk
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# to the cluster after rewriting the kubeconfig to point to localhost
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apiServer:
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certSANs: [localhost, "127.0.0.1"]
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controllerManager:
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extraArgs:
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enable-hostpath-provisioner: "true"
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# configure ipv6 default addresses for IPv6 clusters
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scheduler:
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extraArgs:
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# configure ipv6 default addresses for IPv6 clusters
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networking:
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podSubnet: "10.244.0.0/16"
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serviceSubnet: "10.96.0.0/12"
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---
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apiVersion: kubeadm.k8s.io/v1beta2
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kind: InitConfiguration
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metadata:
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name: config
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# we use a well know token for TLS bootstrap
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bootstrapTokens:
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- token: "abcdef.0123456789abcdef"
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# we use a well know port for making the API server discoverable inside docker network.
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# from the host machine such port will be accessible via a random local port instead.
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localAPIEndpoint:
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advertiseAddress: "192.168.9.6"
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bindPort: 6443
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nodeRegistration:
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criSocket: "/run/containerd/containerd.sock"
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kubeletExtraArgs:
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fail-swap-on: "false"
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node-ip: "192.168.9.6"
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---
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# no-op entry that exists solely so it can be patched
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apiVersion: kubeadm.k8s.io/v1beta2
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kind: JoinConfiguration
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metadata:
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name: config
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controlPlane:
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localAPIEndpoint:
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advertiseAddress: "192.168.9.6"
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bindPort: 6443
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nodeRegistration:
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criSocket: "/run/containerd/containerd.sock"
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kubeletExtraArgs:
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fail-swap-on: "false"
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node-ip: "192.168.9.6"
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discovery:
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bootstrapToken:
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apiServerEndpoint: "192.168.9.3:6443"
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token: "abcdef.0123456789abcdef"
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unsafeSkipCAVerification: true
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---
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apiVersion: kubelet.config.k8s.io/v1beta1
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kind: KubeletConfiguration
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metadata:
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name: config
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# configure ipv6 addresses in IPv6 mode
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# disable disk resource management by default
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# kubelet will see the host disk that the inner container runtime
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# is ultimately backed by and attempt to recover disk space. we don't want that.
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imageGCHighThresholdPercent: 100
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evictionHard:
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nodefs.available: "0%"
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nodefs.inodesFree: "0%"
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imagefs.available: "0%"
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---
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# no-op entry that exists solely so it can be patched
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apiVersion: kubeproxy.config.k8s.io/v1alpha1
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kind: KubeProxyConfiguration
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metadata:
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name: config
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`
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const normalKubeadmConfigKustomized = `apiServer:
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certSANs:
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- localhost
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- 127.0.0.1
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apiVersion: kubeadm.k8s.io/v1beta2
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clusterName: kind
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controlPlaneEndpoint: 192.168.9.3:6443
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controllerManager:
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extraArgs:
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enable-hostpath-provisioner: "true"
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kind: ClusterConfiguration
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kubernetesVersion: v1.15.3
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metadata:
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name: config
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networking:
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podSubnet: 10.244.0.0/16
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serviceSubnet: 10.96.0.0/12
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scheduler:
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extraArgs: null
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---
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apiVersion: kubeadm.k8s.io/v1beta2
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bootstrapTokens:
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- token: abcdef.0123456789abcdef
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kind: InitConfiguration
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localAPIEndpoint:
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advertiseAddress: 192.168.9.6
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bindPort: 6443
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metadata:
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name: config
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nodeRegistration:
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criSocket: /run/containerd/containerd.sock
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kubeletExtraArgs:
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fail-swap-on: "false"
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node-ip: 192.168.9.6
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---
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apiVersion: kubeadm.k8s.io/v1beta2
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controlPlane:
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localAPIEndpoint:
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advertiseAddress: 192.168.9.6
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bindPort: 6443
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discovery:
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bootstrapToken:
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apiServerEndpoint: 192.168.9.3:6443
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token: abcdef.0123456789abcdef
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unsafeSkipCAVerification: true
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kind: JoinConfiguration
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metadata:
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name: config
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nodeRegistration:
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criSocket: /run/containerd/containerd.sock
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kubeletExtraArgs:
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fail-swap-on: "false"
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node-ip: 192.168.9.6
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---
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apiVersion: kubelet.config.k8s.io/v1beta1
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evictionHard:
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imagefs.available: 0%
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nodefs.available: 0%
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nodefs.inodesFree: 0%
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imageGCHighThresholdPercent: 100
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kind: KubeletConfiguration
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metadata:
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name: config
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---
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apiVersion: kubeproxy.config.k8s.io/v1alpha1
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kind: KubeProxyConfiguration
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metadata:
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name: config
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`
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