build-iso2.yaml

apiVersion: v1
data:
  grub.cfg: |-
    search --file --set=root /boot/kernel.xz

    # Load custom config file
    set custom="/boot/grub2/elementalversion"
    search --no-floppy --file --set=custom_blk "${custom}"
    if [ "${custom_blk}" ] ; then
    load_env -f "(${custom_blk})${custom}"
    fi

    set default=0
    set timeout=10
    set timeout_style=menu
    set linux=linux
    set initrd=initrd
    if [ "${grub_cpu}" = "x86_64" -o "${grub_cpu}" = "i386" -o "${grub_cpu}" = "arm64" ];then
        if [ "${grub_platform}" = "efi" ]; then
            if [ "${grub_cpu}" != "arm64" ]; then
                set linux=linuxefi
                set initrd=initrdefi
            fi
        fi
    fi
    if [ "${grub_platform}" = "efi" ]; then
        echo "Please press 't' to show the boot menu on this console"
    fi
    set font=($root)/boot/${grub_cpu}/loader/grub2/fonts/unicode.pf2
    if [ -f ${font} ];then
        loadfont ${font}
    fi
    menuentry "Elemental Teal Install ${version}" --class os --unrestricted {
        echo Loading kernel...
        $linux ($root)/boot/kernel.xz cdroot root=live:CDLABEL=COS_LIVE rd.live.dir=/ rd.live.squashimg=rootfs.squashfs console=tty1 console=ttyS0 rd.cos.disable
        echo Loading initrd...
        $initrd ($root)/boot/rootfs.xz
    }

    if [ "${grub_platform}" = "efi" ]; then
        hiddenentry "Text mode" --hotkey "t" {
            set textmode=true
            terminal_output console
        }
    fi
kind: ConfigMap
metadata:
  name: elemental-build-config
---
apiVersion: apps/v1
kind: Deployment
metadata:
 name: build-host-iso
spec:
 selector:
    matchLabels:
      app: build-host-iso
 replicas: 1
 template:
  metadata:
    labels: 
      app: build-host-iso
      workload.user.cattle.io/workloadselector: apps.deployment-default-build-host-iso
  spec:
    initContainers:
    - name: pull-registrations
      image: rancher/shell:v0.1.18
      workingDir: /mnt/yaml/
      volumeMounts:
      - name: yaml
        mountPath: /mnt/yaml/
      command: ["bash"]
      args: 
      - -c
      - |
      URLS=`kubectl get machineregistrations -nfleet-default -ojson |jq -r ".items[].status.registrationURL"`
      for u in $URLS 
      do
        wget $u
      done 
    - name: build-iso
      image: registry.opensuse.org/isv/rancher/elemental/teal52/15.3/rancher/elemental-builder-image:latest
      volumeMounts:
      - name: public
        mountPath: /mnt/public/
      - name: tmp
        mountPath: /tmp/
      - name: config
        mountPath: /iso/overlay/boot/grub2/grub.cfg
        subPath: grub.cfg
      - name: config
        mountPath: /iso/overlay/livecd-cloud-config.yaml
        subPath: config
      - name: yaml
        mountPath: /mnt/yaml/
      workingDir: /iso/
      command: ["bash"]
      args:
      - -c
      - |
      for reg in `ls /mnt/yaml/` 
      do
        cp /mnt/yaml/$reg /iso/overlay/livecd-cloud-config.yaml
        elemental build-iso -o /mnt/public --squash-no-compression -n $reg--overlay-iso overlay oci:registry.opensuse.org/isv/rancher/elemental/teal52/15.3/rancher/elemental-node-image/5.2:29.2
      done
    containers:
    - name: host
      image: nginx
      ports:
      - containerPort: 80
      volumeMounts:
       - name: public
         mountPath: /usr/share/nginx/html
    volumes:
    - name: public
      emptyDir: {}
    - name: yaml
      emptyDir: {}
    - name: tmp
      emptyDir: {}
    - name: config
      configMap:
       name: elemental-build-config