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alexander-demicevsbueringer
alexander-demicev
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sbueringer
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POC: KCP in-place update
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‎_manual-testing/cluster-quick-start.yaml‎

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apiVersion: cluster.x-k8s.io/v1beta2
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kind: Cluster
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metadata:
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name: quick-start
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namespace: default
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spec:
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clusterNetwork:
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services:
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cidrBlocks: ["10.128.0.0/12"]
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pods:
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cidrBlocks: ["192.168.0.0/16"]
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serviceDomain: "cluster.local"
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topology:
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classRef:
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name: quick-start
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controlPlane:
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replicas: 3
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variables:
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- name: imageRepository
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value: ""
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- name: etcdImageTag
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value: "3.6.4-0"
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- name: coreDNSImageTag
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value: ""
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- name: podSecurityStandard
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value:
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enabled: true
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enforce: "baseline"
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audit: "restricted"
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warn: "restricted"
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version: v1.33.4
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workers:
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machineDeployments:
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- class: default-worker
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name: md-0
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replicas: 1
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---

‎_manual-testing/clusterclass-quick-start.yaml‎

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apiVersion: cluster.x-k8s.io/v1beta2
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kind: ClusterClass
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metadata:
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name: quick-start
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spec:
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controlPlane:
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templateRef:
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apiVersion: controlplane.cluster.x-k8s.io/v1beta2
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kind: KubeadmControlPlaneTemplate
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name: quick-start-control-plane
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machineInfrastructure:
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templateRef:
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kind: DockerMachineTemplate
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
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name: quick-start-control-plane
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healthCheck:
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checks:
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unhealthyNodeConditions:
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- type: Ready
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status: Unknown
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timeoutSeconds: 300
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- type: Ready
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status: "False"
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timeoutSeconds: 300
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infrastructure:
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templateRef:
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
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kind: DockerClusterTemplate
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name: quick-start-cluster
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workers:
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machineDeployments:
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- class: default-worker
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bootstrap:
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templateRef:
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apiVersion: bootstrap.cluster.x-k8s.io/v1beta2
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kind: KubeadmConfigTemplate
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name: quick-start-default-worker-bootstraptemplate
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infrastructure:
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templateRef:
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
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kind: DockerMachineTemplate
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name: quick-start-default-worker-machinetemplate
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healthCheck:
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checks:
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unhealthyNodeConditions:
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- type: Ready
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status: Unknown
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timeoutSeconds: 300
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- type: Ready
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status: "False"
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timeoutSeconds: 300
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machinePools:
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- class: default-worker
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bootstrap:
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templateRef:
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apiVersion: bootstrap.cluster.x-k8s.io/v1beta2
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kind: KubeadmConfigTemplate
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name: quick-start-default-worker-bootstraptemplate
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infrastructure:
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templateRef:
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
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kind: DockerMachinePoolTemplate
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name: quick-start-default-worker-machinepooltemplate
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variables:
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- name: imageRepository
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required: true
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schema:
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openAPIV3Schema:
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type: string
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default: ""
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example: "registry.k8s.io"
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description: "imageRepository sets the container registry to pull images from. If empty, nothing will be set and the from of kubeadm will be used."
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- name: etcdImageTag
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required: true
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schema:
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openAPIV3Schema:
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type: string
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default: ""
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example: "3.5.3-0"
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description: "etcdImageTag sets the tag for the etcd image."
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- name: coreDNSImageTag
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required: true
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schema:
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openAPIV3Schema:
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type: string
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default: ""
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example: "v1.8.5"
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description: "coreDNSImageTag sets the tag for the coreDNS image."
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- name: podSecurityStandard
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required: false
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schema:
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openAPIV3Schema:
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type: object
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properties:
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enabled:
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type: boolean
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default: true
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description: "enabled enables the patches to enable Pod Security Standard via AdmissionConfiguration."
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enforce:
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type: string
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default: "baseline"
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description: "enforce sets the level for the enforce PodSecurityConfiguration mode. One of privileged, baseline, restricted."
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audit:
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type: string
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default: "restricted"
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description: "audit sets the level for the audit PodSecurityConfiguration mode. One of privileged, baseline, restricted."
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warn:
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type: string
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default: "restricted"
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description: "warn sets the level for the warn PodSecurityConfiguration mode. One of privileged, baseline, restricted."
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patches:
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- name: imageRepository
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description: "Sets the imageRepository used for the KubeadmControlPlane."
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enabledIf: '{{ ne .imageRepository "" }}'
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definitions:
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- selector:
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apiVersion: controlplane.cluster.x-k8s.io/v1beta2
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kind: KubeadmControlPlaneTemplate
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matchResources:
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controlPlane: true
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jsonPatches:
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- op: add
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path: "/spec/template/spec/kubeadmConfigSpec/clusterConfiguration/imageRepository"
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valueFrom:
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variable: imageRepository
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- name: etcdImageTag
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enabledIf: '{{ ne .etcdImageTag "" }}'
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description: "Sets tag to use for the etcd image in the KubeadmControlPlane."
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definitions:
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- selector:
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apiVersion: controlplane.cluster.x-k8s.io/v1beta2
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kind: KubeadmControlPlaneTemplate
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matchResources:
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controlPlane: true
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jsonPatches:
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- op: add
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path: "/spec/template/spec/kubeadmConfigSpec/clusterConfiguration/etcd"
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valueFrom:
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template: |
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local:
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imageTag: {{ .etcdImageTag }}
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- name: coreDNSImageTag
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enabledIf: '{{ ne .coreDNSImageTag "" }}'
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description: "Sets tag to use for the etcd image in the KubeadmControlPlane."
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definitions:
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- selector:
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apiVersion: controlplane.cluster.x-k8s.io/v1beta2
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kind: KubeadmControlPlaneTemplate
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matchResources:
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controlPlane: true
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jsonPatches:
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- op: add
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path: "/spec/template/spec/kubeadmConfigSpec/clusterConfiguration/dns"
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valueFrom:
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template: |
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imageTag: {{ .coreDNSImageTag }}
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- name: customImage
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description: "Sets the container image that is used for running dockerMachines for the controlPlane and default-worker machineDeployments."
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definitions:
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- selector:
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
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kind: DockerMachineTemplate
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matchResources:
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machineDeploymentClass:
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names:
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- default-worker
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jsonPatches:
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- op: add
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path: "/spec/template/spec/customImage"
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valueFrom:
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template: |
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kindest/node:{{ .builtin.machineDeployment.version | replace "+" "_" }}
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- selector:
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
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kind: DockerMachinePoolTemplate
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matchResources:
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machinePoolClass:
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names:
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- default-worker
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jsonPatches:
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- op: add
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path: "/spec/template/spec/template/customImage"
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valueFrom:
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template: |
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kindest/node:{{ .builtin.machinePool.version | replace "+" "_" }}
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- selector:
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
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kind: DockerMachineTemplate
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matchResources:
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controlPlane: true
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jsonPatches:
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- op: add
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path: "/spec/template/spec/customImage"
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valueFrom:
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template: |
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kindest/node:{{ .builtin.controlPlane.version | replace "+" "_" }}
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- name: podSecurityStandard
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description: "Adds an admission configuration for PodSecurity to the kube-apiserver."
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definitions:
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- selector:
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apiVersion: controlplane.cluster.x-k8s.io/v1beta2
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kind: KubeadmControlPlaneTemplate
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matchResources:
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controlPlane: true
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jsonPatches:
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- op: add
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path: "/spec/template/spec/kubeadmConfigSpec/clusterConfiguration/apiServer/extraArgs"
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value:
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- name: admission-control-config-file
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value: "/etc/kubernetes/kube-apiserver-admission-pss.yaml"
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- op: add
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path: "/spec/template/spec/kubeadmConfigSpec/clusterConfiguration/apiServer/extraVolumes"
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value:
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- name: admission-pss
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hostPath: /etc/kubernetes/kube-apiserver-admission-pss.yaml
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mountPath: /etc/kubernetes/kube-apiserver-admission-pss.yaml
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readOnly: true
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pathType: "File"
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- op: add
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path: "/spec/template/spec/kubeadmConfigSpec/files"
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valueFrom:
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template: |
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- content: |
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apiVersion: apiserver.config.k8s.io/v1
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kind: AdmissionConfiguration
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plugins:
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- name: PodSecurity
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configuration:
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apiVersion: pod-security.admission.config.k8s.io/v1{{ if semverCompare "< v1.25-0" .builtin.controlPlane.version }}beta1{{ end }}
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kind: PodSecurityConfiguration
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defaults:
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enforce: "{{ .podSecurityStandard.enforce }}"
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enforce-version: "latest"
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audit: "{{ .podSecurityStandard.audit }}"
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audit-version: "latest"
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warn: "{{ .podSecurityStandard.warn }}"
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warn-version: "latest"
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exemptions:
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usernames: []
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runtimeClasses: []
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namespaces: [kube-system]
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path: /etc/kubernetes/kube-apiserver-admission-pss.yaml
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enabledIf: "{{ .podSecurityStandard.enabled }}"
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
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kind: DockerClusterTemplate
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metadata:
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name: quick-start-cluster
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spec:
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template:
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spec: {}
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---
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kind: KubeadmControlPlaneTemplate
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apiVersion: controlplane.cluster.x-k8s.io/v1beta2
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metadata:
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name: quick-start-control-plane
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spec:
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template:
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spec:
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rollout:
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxSurge: 0
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kubeadmConfigSpec:
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clusterConfiguration:
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apiServer:
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# host.docker.internal is required by kubetest when running on MacOS because of the way ports are proxied.
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certSANs: [localhost, 127.0.0.1, 0.0.0.0, host.docker.internal]
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initConfiguration:
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nodeRegistration: # node registration parameters are automatically injected by CAPD according to the kindest/node image in use.
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kubeletExtraArgs: # having a not empty kubeletExtraArgs is required for the externalCloudProvider patch to work
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- name: eviction-hard
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value: 'nodefs.available<0%,nodefs.inodesFree<0%,imagefs.available<0%'
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joinConfiguration:
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nodeRegistration: # node registration parameters are automatically injected by CAPD according to the kindest/node image in use.
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kubeletExtraArgs: # having a not empty kubeletExtraArgs is required for the externalCloudProvider patch to work
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- name: eviction-hard
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value: 'nodefs.available<0%,nodefs.inodesFree<0%,imagefs.available<0%'
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
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kind: DockerMachineTemplate
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metadata:
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name: quick-start-control-plane
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spec:
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template:
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spec:
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extraMounts:
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- containerPath: "/var/run/docker.sock"
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hostPath: "/var/run/docker.sock"
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
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kind: DockerMachineTemplate
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metadata:
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name: quick-start-default-worker-machinetemplate
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spec:
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template:
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spec:
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extraMounts:
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- containerPath: "/var/run/docker.sock"
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hostPath: "/var/run/docker.sock"
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
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kind: DockerMachinePoolTemplate
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metadata:
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name: quick-start-default-worker-machinepooltemplate
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spec:
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template:
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spec:
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template: {}
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---
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apiVersion: bootstrap.cluster.x-k8s.io/v1beta2
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kind: KubeadmConfigTemplate
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metadata:
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name: quick-start-default-worker-bootstraptemplate
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spec:
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template:
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spec:
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joinConfiguration:
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nodeRegistration: # node registration parameters are automatically injected by CAPD according to the kindest/node image in use.
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kubeletExtraArgs: # having a not empty kubeletExtraArgs is required for the externalCloudProvider to work
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- name: eviction-hard
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value: 'nodefs.available<0%,nodefs.inodesFree<0%,imagefs.available<0%'

‎api/core/v1beta2/machine_phase_types.go‎

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// become a Kubernetes Node in a Ready state.
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MachinePhaseRunning = MachinePhase("Running")
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// MachinePhaseUpdating is the Machine state when the Machine
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// is updating.
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MachinePhaseUpdating = MachinePhase("Updating")
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// MachinePhaseDeleting is the Machine state when a delete
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// request has been sent to the API Server,
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// but its infrastructure has not yet been fully deleted.

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