mirror of https://github.com/linka-cloud/d2vm.git
90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
// Copyright 2023 Linka Cloud All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package d2vm
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import (
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"fmt"
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"strings"
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)
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var (
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configUbuntu = Config{
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Kernel: "/boot/vmlinuz",
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Initrd: "/boot/initrd.img",
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}
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configDebian = Config{
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Kernel: "/boot/vmlinuz",
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Initrd: "/boot/initrd.img",
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}
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configAlpine = Config{
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Kernel: "/boot/vmlinuz-virt",
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Initrd: "/boot/initramfs-virt",
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}
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configCentOS = Config{
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Kernel: "/boot/vmlinuz",
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Initrd: "/boot/initrd.img",
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}
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)
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type Root interface {
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String() string
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}
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type RootUUID string
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func (r RootUUID) String() string {
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return "UUID=" + string(r)
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}
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type RootPath string
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func (r RootPath) String() string {
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return string(r)
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}
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type Config struct {
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Kernel string
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Initrd string
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}
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func (c Config) Cmdline(root Root, args ...string) string {
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var r string
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if root != nil {
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r = fmt.Sprintf("root=%s", root.String())
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}
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return fmt.Sprintf("ro initrd=%s %s net.ifnames=0 rootfstype=ext4 console=tty0 console=ttyS0,115200n8 %s", c.Initrd, r, strings.Join(args, " "))
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}
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func (r OSRelease) Config() (Config, error) {
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switch r.ID {
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case ReleaseUbuntu:
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if r.VersionID < "20.04" {
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return configDebian, nil
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}
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return configUbuntu, nil
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case ReleaseDebian:
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return configDebian, nil
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case ReleaseKali:
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return configDebian, nil
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case ReleaseAlpine:
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return configAlpine, nil
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case ReleaseCentOS:
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return configCentOS, nil
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default:
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return Config{}, fmt.Errorf("%s: distribution not supported", r.ID)
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}
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}
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