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https://github.com/linka-cloud/d2vm.git
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Adphi
a41bbdb745
* tests: increase timeout * ci: split e2e tests Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>
103 lines
2.5 KiB
Go
103 lines
2.5 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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"context"
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"fmt"
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"os"
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"path/filepath"
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"github.com/sirupsen/logrus"
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"go.linka.cloud/d2vm/pkg/exec"
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)
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const grubCfg = `GRUB_DEFAULT=0
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GRUB_HIDDEN_TIMEOUT=0
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GRUB_HIDDEN_TIMEOUT_QUIET=true
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GRUB_TIMEOUT=0
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GRUB_CMDLINE_LINUX_DEFAULT="%s"
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GRUB_CMDLINE_LINUX=""
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GRUB_TERMINAL=console
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`
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type grubCommon struct {
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name string
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c Config
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r OSRelease
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root string
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dev string
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}
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func newGrubCommon(c Config, r OSRelease) *grubCommon {
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name := "grub"
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if r.ID == "centos" {
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name = "grub2"
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}
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return &grubCommon{
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name: name,
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c: c,
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r: r,
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}
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}
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func (g *grubCommon) prepare(ctx context.Context, dev, root, cmdline string) (clean func(), err error) {
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g.dev = dev
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g.root = root
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if err = os.WriteFile(filepath.Join(root, "etc", "default", "grub"), []byte(fmt.Sprintf(grubCfg, cmdline)), perm); err != nil {
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return
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}
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if err = os.MkdirAll(filepath.Join(root, "boot", g.name), os.ModePerm); err != nil {
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return
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}
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mounts := []string{"dev", "proc", "sys"}
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var unmounts []string
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clean = func() {
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for _, v := range unmounts {
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if err := exec.Run(ctx, "umount", filepath.Join(root, v)); err != nil {
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logrus.Errorf("failed to unmount /%s: %s", v, err)
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}
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}
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}
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defer func() {
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if err != nil {
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clean()
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}
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}()
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for _, v := range mounts {
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if err = exec.Run(ctx, "mount", "-o", "bind", "/"+v, filepath.Join(root, v)); err != nil {
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return
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}
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unmounts = append(unmounts, v)
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}
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return
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}
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func (g *grubCommon) install(ctx context.Context, args ...string) error {
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if g.dev == "" || g.root == "" {
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return fmt.Errorf("grubCommon not prepared")
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}
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args = append([]string{g.root, g.name + "-install"}, args...)
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return exec.Run(ctx, "chroot", args...)
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}
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func (g *grubCommon) mkconfig(ctx context.Context) error {
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if g.dev == "" || g.root == "" {
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return fmt.Errorf("grubCommon not prepared")
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}
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return exec.Run(ctx, "chroot", g.root, g.name+"-mkconfig", "-o", "/boot/"+g.name+"/grub.cfg")
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}
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