RetroKube

README.md

Kubernetes 1.0 Build

How to build Kubernetes 1.0 in a Kubernetes 1.30 Kubevirt VM.

Download ISO from Canonical Vivid Archive

• Ubuntu 15.04 Vivid Vervet

Write Dockerfile

FROM scratch
COPY ubuntu-15.04-server-amd64.iso /disk/ubuntu-15.04-server-amd64.iso

Build & Push image

~/Downloads/docker ❯ docker build --tag docker.io/containercraft/ubuntu:15.04-amd64-iso -f Dockerfile .
[+] Building 25.7s (5/5) FINISHED                                                                                                                    docker:desktop-linux
 => [internal] load build definition from Dockerfile                                                                                                                 0.0s
 => => transferring dockerfile: 158B                                                                                                                                 0.0s
 => [internal] load .dockerignore                                                                                                                                    0.0s
 => => transferring context: 2B                                                                                                                                      0.0s
 => [internal] load build context                                                                                                                                    3.4s
 => => transferring context: 646.04MB                                                                                                                                3.4s
 => [1/1] COPY ubuntu-15.04-server-amd64.iso /disk/ubuntu-15.04-server-amd64.iso                                                                                     4.8s
 => exporting to image                                                                                                                                              17.5s
 => => exporting layers                                                                                                                                             14.1s
 => => exporting manifest sha256:cb2d2f83cbb794b345aea70e85624ee0942a448c87fe899fdace1bedb27fd88c                                                                    0.0s
 => => exporting config sha256:75779f2e385afd2342e9dcba813d7c55907fa31a353e9ec58931d6aa622da9ff                                                                      0.0s
 => => exporting attestation manifest sha256:e30f6ad28240b685a485047554ba48ee12859970ad09578a1f3fd95b8eb259ac                                                        0.0s
 => => exporting manifest list sha256:b739ac43087c3eb9262e12d591837e20dd1ac7363d0b23ab41806bfe3f828246                                                               0.0s
 => => naming to docker.io/containercraft/ubuntu:15.04-amd64-iso                                                                                                     0.0s
 => => unpacking to docker.io/containercraft/ubuntu:15.04-amd64-iso                                                                                                  3.3s

View build details: docker-desktop://dashboard/build/desktop-linux/desktop-linux/qeptve9ywonzxdc72mol08qts

~/Downloads/docker 26s ❯ docker login docker.io --username katamo
Password:
Login Succeeded

~/Downloads/docker 7s ❯ docker push docker.io/containercraft/ubuntu:15.04-amd64-iso
The push refers to repository [docker.io/containercraft/ubuntu]
cbda8162ac39: Pushed
d79f881e536c: Pushed
15.04-amd64-iso: digest: sha256:b739ac43087c3eb9262e12d591837e20dd1ac7363d0b23ab41806bfe3f828246 size: 855

donor-vm.yaml

---
apiVersion: kubevirt.io/v1
kind: VirtualMachine
metadata:
  name: microk8s
  namespace: kargo
  labels:
    app: microk8s
    kubevirt.io/os: linux
spec:
  running: true
  dataVolumeTemplates:
  - metadata:
      name: microk8s-vda-root
      namespace: kargo
    spec:
      accessModes:
      - ReadWriteOnce
      capacity:
        storage: 128G
      config:
        featureGates:
        - HonorWaitForFirstConsumer
      pvc:
        accessModes:
        - ReadWriteOnce
        resources:
          requests:
            storage: 128G
        storageClassName: ceph-block-ssd
      source:
        registry:
          url: "docker://quay.io/containercraft/ubuntu:21.04"
          imagePullPolicy: IfNotPresent
      persistentVolumeReclaimPolicy: Delete
      storageClassName: ceph-block-ssd
      volumeMode: Filesystem
  template:
    spec:
      evictionStrategy: LiveMigrate
      nodeSelector:
        kargo-zone.containercraft.io/d: ""
      domain:
        cpu:
          dedicatedCpuPlacement: false
          model: host-passthrough
          threads: 2
          sockets: 1
          cores: 6
        resources:
          requests:
            memory: 32G
            devices.kubevirt.io/kvm: "1"
          limits:
            memory: 32G
        machine:
          type: pc-q35-rhel8.3.0
        devices:
          autoattachPodInterface: false
          autoattachSerialConsole: true
          autoattachGraphicsDevice: true
          networkInterfaceMultiqueue: true
          rng: {}
          disks:
            - name: disk-vda-root
              bootOrder: 1
              disk:
                bus: virtio
            - name: cloudinitdisk
              disk:
                bus: virtio
          interfaces:
          - name: enp1s0
            model: virtio
            bootOrder: 2
            bridge: {}
      hostname: "microk8s"
      networks:
      - name: enp1s0
        multus:
          networkName: kargo-net-attach-def-br0
      terminationGracePeriodSeconds: 0
      volumes:
        - name: disk-vda-root
          dataVolume:
            name: microk8s-vda-root
        - name: cloudinitdisk
          cloudInitNoCloud:
            networkData: |
              version: 2
              ethernets:
                enp1s0:
                  addresses:
                    - 192.168.1.15/24
                  dhcp4: false
                  dhcp6: false
                  gateway4: 192.168.1.1
                  nameservers:
                    addresses:
                    - 192.168.1.1
                    search:
                    - home.arpa
            userData: |
              #cloud-config
              ssh_pwauth: true
              chpasswd:
                expire: False
                list: |
                   ubuntu:ubuntu
              users:
                - default
                - name: ubuntu
                  sudo: ['ALL=(ALL) NOPASSWD:ALL']
                  groups: sudo,microk8s,docker
                  shell: /bin/bash
                  ssh-authorized-keys:
                    - ssh-rsa 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
              hostname: microk8s.home.arpa
              runcmd:
                - "systemctl enable iscsid"
                - "snap install microk8s --classic"
                - "sudo usermod -a -G microk8s ubuntu"
                - "snap install kubectl  --classic"
                - "microk8s.enable dns dashboard helm3 openebs prometheus"
                - "microk8s status --wait-ready"
                - "mkdir -p /home/ubuntu/.kube"
                - "microk8s kubectl config view --raw | sed 's/127.0.0.1/192.168.1.15/g' | tee /home/ubuntu/.kube/config"
                - "chown -R ubuntu:ubuntu /home/ubuntu"
                - "sudo usermod -a -G microk8s ubuntu"
                - "sudo chown -f -R ubuntu ~/.kube"
                - "microk8s.enable metallb:192.168.1.31-192.168.1.39"
                - "microk8s status --wait-ready"
#               - kubectl patch storageclass openebs-hostpath -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'

ubuntu-15.04.yaml

apiVersion: kubevirt.io/v1
kind: VirtualMachine
metadata:
  name: truenas-scale
  labels:
    flavor: truenas
spec:
  dataVolumeTemplates:
  - metadata:
      name: truenas-scale-volume-vda-root
    spec:
      pvc:
        accessModes:
        - ReadWriteOnce
        resources:
          requests:
            storage: 32G
      source:
        blank: {}
  - metadata:
      name: truenas-scale-volume-vdb
    spec:
      pvc:
        accessModes:
        - ReadWriteOnce
        resources:
          requests:
            storage: 64G
      source:
        blank: {}
  - metadata:
      name: truenas-scale-volume-vdc
    spec:
      pvc:
        accessModes:
        - ReadWriteOnce
        resources:
          requests:
            storage: 64G
      source:
        blank: {}
  running: true
  template:
    spec:
      domain:
        clock:
          timer: {}
          utc: {}
        cpu:
          model: host-passthrough
          threads: 6
        devices:
          rng: {}
          autoattachGraphicsDevice: true
          autoattachPodInterface: false
          autoattachSerialConsole: true
          disks:
          - name: iso
            bootOrder: 2
            disk:
              bus: sata
          - name: truenas-scale-disk-vda-root
            bootOrder: 1
            disk:
              bus: sata
          - name: truenas-scale-disk-vdb
            disk:
              bus: virtio
          - name: truenas-scale-disk-vdc
            disk:
              bus: virtio
          interfaces:
          - bridge: {}
            model: virtio
            name: enp1s0
        features:
          acpi:
            enabled: true
          smm:
            enabled: true
        firmware:
          bootloader:
            efi:
              secureBoot: false
        machine:
          type: q35
        resources:
          requests:
            devices.kubevirt.io/kvm: "1"
            memory: 8G
      hostname: truenas
      networks:
      - multus:
          networkName: nadbr0
        name: enp1s0
      terminationGracePeriodSeconds: 0
      volumes:
      - name: iso
        containerDisk:
          image: docker.io/containercraft/truenas-scale:22021-iso
          imagePullPolicy: IfNotPresent
      - name: truenas-scale-disk-vda-root
        dataVolume:
          name: truenas-scale-volume-vda-root
      - name: truenas-scale-disk-vdb
        dataVolume:
          name: truenas-scale-volume-vdb
      - name: truenas-scale-disk-vdc
        dataVolume:
          name: truenas-scale-volume-vdc