Function ipxeScript

pixiecore/http.go:183–221

(mach Machine, spec *Spec, serverHost string)

}

func ipxeScript(mach Machine, spec *Spec, serverHost string) ([]byte, error) {
	if spec.IpxeScript != "" {
		return []byte(spec.IpxeScript), nil
	}

	if spec.Kernel == "" {
		return nil, errors.New("spec is missing Kernel")
	}

	urlTemplate := fmt.Sprintf("http://%s/_/file?name=%%s&type=%%s&mac=%%s", serverHost)
	var b bytes.Buffer
	b.WriteString("#!ipxe\n")
	u := fmt.Sprintf(urlTemplate, url.QueryEscape(string(spec.Kernel)), "kernel", url.QueryEscape(mach.MAC.String()))
	fmt.Fprintf(&b, "kernel --name kernel %s\n", u)
	for i, initrd := range spec.Initrd {
		u = fmt.Sprintf(urlTemplate, url.QueryEscape(string(initrd)), "initrd", url.QueryEscape(mach.MAC.String()))
		fmt.Fprintf(&b, "initrd --name initrd%d %s\n", i, u)
	}

	fmt.Fprintf(&b, "imgfetch --name ready http://%s/_/booting?mac=%s ||\n", serverHost, url.QueryEscape(mach.MAC.String()))
	b.WriteString("imgfree ready ||\n")

	b.WriteString("boot kernel ")
	for i := range spec.Initrd {
		fmt.Fprintf(&b, "initrd=initrd%d ", i)
	}

	f := func(id string) string {
		return fmt.Sprintf("http://%s/_/file?name=%s", serverHost, url.QueryEscape(id))
	}
	cmdline, err := expandCmdline(spec.Cmdline, template.FuncMap{"ID": f})
	if err != nil {
		return nil, fmt.Errorf("expanding cmdline %q: %s", spec.Cmdline, err)
	}
	b.WriteString(cmdline)
	b.WriteByte('\n')

	return b.Bytes(), nil
}