warewulf/etc/grub/grub.cfg.ww

echo
echo "Warewulf v4 (GRUB)"
echo
echo "Warewulf Server:"
echo "* Ipaddr: {{.Ipaddr}}"
echo "* Port: {{.Port}}"
echo
echo "This node:"
echo "* Fqdn: {{.Fqdn}}"
echo "* Hwaddr: {{.Hwaddr}}"
echo "* ImageName: {{.ImageName}}"
{{- if .KernelVersion }}
echo "* KernelVersion: {{.KernelVersion}}"
{{- else }}
echo "* KernelVersion: (image default)"
{{- end }}
echo "* KernelArgs: {{.KernelArgs}}"

{{- if not .ImageName }}
echo "!!"
echo "!! No image defined for {{.Fqdn}}."
echo "!! Rebooting in 30s...
echo "!!"
sleep 30
reboot
{{- end }}

echo "Reading asset key..."
smbios --type 3 --get-string 8 --set assetkey

uri="(http,{{.Ipaddr}}:{{.Port}})/provision/${net_default_mac}?assetkey=${assetkey}"
kernel="${uri}&stage=kernel"

{{- $defentry := "singlestage" }}
{{- if eq .Root "persistent"}}{{ $defentry = "dracut" }}{{ end }}
{{- if .Tags.GrubMenuEntry }}{{ $defentry = .Tags.GrubMenuEntry }}{{ end }}
set default={{ $defentry}}
set timeout=2

menuentry "Single-stage boot" --id single-stage {
    echo "Warewulf Server:"
    echo "* Ipaddr: {{.Ipaddr}}"
    echo "* Port: {{.Port}}"
    echo
    echo "This node:"
    echo "* Fqdn: {{.Fqdn}}"
    echo "* Hwaddr: {{.Hwaddr}}"
    echo "* ImageName: {{.ImageName}}"
    {{- if .KernelVersion }}
    echo "* KernelVersion: {{.KernelVersion}}"
    {{- else }}
    echo "* KernelVersion: (image default)"
    {{- end }}
    echo "* KernelArgs: {{.KernelArgs}}"
    echo
    echo "Downloading kernel image..."
    linux $kernel wwid=${net_default_mac} {{.KernelArgs}}
    if [ $? != 0 ]
    then
        echo "!!"
        echo "!! Unable to load kernel."
        echo "!! Rebooting in 15s..."
        echo "!!"
    fi

    echo "Downloading images..."
    image="${uri}&stage=image&compress=gz"
    system="${uri}&stage=system&compress=gz"
    runtime="${uri}&stage=runtime&compress=gz"
    initrd $image $system $runtime
    if [ $? != 0 ]
    then
        echo "!!"
        echo "!! Unable to load images."
        echo "!! Rebooting in 15s..."
        echo "!!"
    fi

    echo "Booting..."
    boot
}

menuentry "Single-stage boot (no compression)" --id single-stage-nocompress {
    echo "Warewulf Server:"
    echo "* Ipaddr: {{.Ipaddr}}"
    echo "* Port: {{.Port}}"
    echo
    echo "This node:"
    echo "* Fqdn: {{.Fqdn}}"
    echo "* Hwaddr: {{.Hwaddr}}"
    echo "* ImageName: {{.ImageName}}"
    {{- if .KernelVersion }}
    echo "* KernelVersion: {{.KernelVersion}}"
    {{- else }}
    echo "* KernelVersion: (image default)"
    {{- end }}
    echo "* KernelArgs: {{.KernelArgs}}"
    echo
    echo "Downloading kernel image..."
    linux $kernel wwid=${net_default_mac} {{.KernelArgs}}
    if [ $? != 0 ]
    then
        echo "!!"
        echo "!! Unable to load kernel."
        echo "!! Rebooting in 15s..."
        echo "!!"
    fi

    echo "Downloading images..."
    image="${uri}&stage=image"
    system="${uri}&stage=system"
    runtime="${uri}&stage=runtime"
    initrd $image $system $runtime
    if [ $? != 0 ]
    then
        echo "!!"
        echo "!! Unable to load images."
        echo "!! Rebooting in 15s..."
        echo "!!"
    fi

    echo "Booting..."
    boot
}

menuentry "Two stage boot with dracut {{ if eq .Root "persistent"}}(persistent){{ end }}" --id dracut {
    echo "Warewulf Server:"
    echo "* Ipaddr: {{.Ipaddr}}"
    echo "* Port: {{.Port}}"
    echo
    echo "This node:"
    echo "* Fqdn: {{.Fqdn}}"
    echo "* Hwaddr: {{.Hwaddr}}"
    echo "* ImageName: {{.ImageName}}"
    {{- if .KernelVersion }}
    echo "* KernelVersion: {{.KernelVersion}}"
    {{- else }}
    echo "* KernelVersion: (image default)"
    {{- end }}
    echo "* KernelArgs: {{.KernelArgs}}"

    initramfs="${uri}&stage=initramfs"

    wwinit_uri="http://{{.Ipaddr}}:{{.Port}}/provision/${net_default_mac}"
    net_args="rd.neednet=1 {{range $devname, $netdev := .NetDevs}}{{if and $netdev.Hwaddr $netdev.Device}} ifname={{$netdev.Device}}:{{$netdev.Hwaddr}} {{end}}{{end}}"
    {{- if eq .Root "persistent"}}
    ignition_args="wwinit.ignition=http://{{.Ipaddr}}:{{.Port}}/overlay-file/persistent wwinit.imagename={{ .ImageName }} wwinit.id={{ .Id }} wwinit.ip={{ .Ipaddr }}"
    root="persistent"
    echo "* Persistent install"
    {{- else }}
    root="wwinit"
    {{- end }}
    wwinit_args="root=$root wwinit.uri=${wwinit_uri} init=/init"

    echo
    echo "Downloading kernel image..."
    linux $kernel wwid=${net_default_mac} {{.KernelArgs}} $net_args $wwinit_args $ignition_args
    if [ $? != 0 ]
    then
        echo "!!"
        echo "!! Unable to load kernel."
        echo "!! Rebooting in 15s..."
        echo "!!"
    fi

    echo "Downloading initramfs..."
    initrd $initramfs
    if [ $? != 0 ]
    then
        echo "!!"
        echo "!! Unable to load initramfs."
        echo "!! Rebooting in 15s..."
        echo "!!"
    fi

    echo "Booting..."
    boot
}

menuentry "UEFI Firmware Settings" --id "uefi-firmware" {
    fwsetup
}

menuentry "System restart" {
    echo "System rebooting..."
    reboot
}

menuentry "System shutdown" {
    echo "System shutting down..."
    halt
}