deploy/cluster/templates/kubeadmcontrolplane.yaml

   1 ---
   2 apiVersion: controlplane.cluster.x-k8s.io/v1alpha4
   3 kind: KubeadmControlPlane
   4 metadata:
   5   name: {{ .Values.clusterName }}
   6 spec:
   7   kubeadmConfigSpec:
   8     clusterConfiguration:
   9       apiServer:
  10         extraArgs:
  11           enable-admission-plugins: NodeRestriction,PodSecurityPolicy
  12     initConfiguration:
  13       nodeRegistration:
  14         kubeletExtraArgs:
  15           {{- include "cluster.nodeIP" .Values.networkData | nindent 10 }}
  16           node-labels: metal3.io/uuid={{ "{{" }} ds.meta_data.uuid {{ "}}" }}
  17           cpu-manager-policy: static
  18           topology-manager-policy: best-effort
  19           kube-reserved: cpu=200m,memory=512Mi
  20         name: '{{ "{{" }} ds.meta_data.name {{ "}}" }}'
  21     joinConfiguration:
  22       controlPlane: {}
  23       nodeRegistration:
  24         kubeletExtraArgs:
  25           node-labels: metal3.io/uuid={{ "{{" }} ds.meta_data.uuid {{ "}}" }}
  26           cpu-manager-policy: static
  27           topology-manager-policy: best-effort
  28           kube-reserved: cpu=200m,memory=512Mi
  29         name: '{{ "{{" }} ds.meta_data.name {{ "}}" }}'
  30     preKubeadmCommands:
  31 {{- if .Values.preKubeadmCommands }}
  32 {{ toYaml .Values.preKubeadmCommands | indent 4 }}
  33 {{- end }}
  34     - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
  35     - add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
  36     - curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
  37     - add-apt-repository "deb https://apt.kubernetes.io/ kubernetes-xenial main"
  38     - apt-get update -y
  39     - apt-get install -y ca-certificates
  40 {{- if .Values.keepalived }}
  41     - apt-get install -y keepalived
  42     - systemctl enable --now keepalived
  43 {{- end }}
  44     - /usr/local/bin/install-container-runtime.sh
  45     - apt-get install -y kubelet={{ .Values.kubeVersion }} kubeadm={{ .Values.kubeVersion }} kubectl={{ .Values.kubeVersion }}
  46     - systemctl enable --now kubelet
  47     postKubeadmCommands:
  48     - mkdir -p /home/ubuntu/.kube
  49     - cp /etc/kubernetes/admin.conf /home/ubuntu/.kube/config
  50     - chown ubuntu:ubuntu /home/ubuntu/.kube/config
  51     - mkdir -p /root/.kube
  52     - cp /etc/kubernetes/admin.conf /root/.kube/config
  53     - /usr/local/bin/harden_os.sh
  54     # Normally any bootstrap resources needed would be applied with a
  55     # ClusterResourceSet.  However instead of apply, replace must be
  56     # used to harden K8s.
  57     - /usr/local/bin/harden_k8s.sh
  58 {{- if eq (int .Values.numWorkerMachines) 0 }}
  59     # Allow scheduling Pods on the control plane when there are no
  60     # workers.
  61     - kubectl --kubeconfig=/etc/kubernetes/admin.conf taint nodes --all node-role.kubernetes.io/master-
  62 {{- end }}
  63     # This must be done after kubeadm as the cabpk provider relies on
  64     # files in /var/run, which won't persist after a reboot
  65     - /usr/local/bin/set_kernel_cmdline.sh
  66     files:
  67 {{ include "cluster.keepalived" .Values | indent 4 }}
  68 {{ include "cluster.containerRuntime" .Values | indent 4 }}
  69     - path: /etc/systemd/system/containerd.service.d/override.conf
  70       content: |
  71 {{ $.Files.Get "resources/override.conf" | indent 8 }}
  72     - path: /usr/local/bin/harden_os.sh
  73       permissions: '0777'
  74       content: |
  75 {{ $.Files.Get "resources/harden_os.sh" | indent 8 }}
  76     - path: /usr/local/bin/harden_k8s.sh
  77       permissions: '0777'
  78       content: |
  79 {{ $.Files.Get "resources/harden_k8s.sh" | indent 8 }}
  80     - path: /usr/local/bin/set_kernel_cmdline.sh
  81       permissions: '0777'
  82       content: |
  83 {{ $.Files.Get "resources/set_kernel_cmdline.sh" | indent 8 }}
  84 {{- if eq .Values.cni "calico" }}
  85     - path: /etc/NetworkManager/conf.d/calico.conf
  86       content: |
  87 {{ $.Files.Get "resources/calico.conf" | indent 8 }}
  88 {{- end }}
  89 {{- if .Values.userData }}
  90     users:
  91     - name: {{ .Values.userData.name }}
  92       shell: /bin/bash
  93       lockPassword: False # Necessary to allow password login
  94       passwd: {{ .Values.userData.hashedPassword }}
  95       sshAuthorizedKeys:
  96       - {{ .Values.userData.sshAuthorizedKey }}
  97       sudo: "ALL=(ALL) NOPASSWD:ALL"
  98       groups: sudo # Necessary to allow SSH logins (see /etc/ssh/sshd_config)
  99     - name: root
 100       sshAuthorizedKeys:
 101       - {{ .Values.userData.sshAuthorizedKey }}
 102 {{- end }}
 103   machineTemplate:
 104     infrastructureRef:
 105       apiVersion: infrastructure.cluster.x-k8s.io/v1alpha5
 106       kind: Metal3MachineTemplate
 107       name: {{ .Values.clusterName }}-controlplane
 108     nodeDrainTimeout: 0s
 109   replicas: {{ .Values.numControlPlaneMachines }}
 110   rolloutStrategy:
 111     rollingUpdate:
 112       maxSurge: 1
 113     type: RollingUpdate
 114   version: {{ .Values.k8sVersion }}