mirror of
https://github.com/yunionio/cloudpods.git
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b58cd52d30
* feat(region): add guest rescue api && download initrd from baremetal tftp server && add baremetal agent ip finder & update pic address & support ip kernel config. * feat(host-deployer): use qemu-kvm as default deploy dirver --------- Co-authored-by: boironic@gmail.com <boironic@gmail.com>
596 lines
16 KiB
Go
596 lines
16 KiB
Go
// Copyright 2019 Yunion
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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 fsutils
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import (
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"fmt"
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"io"
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"io/ioutil"
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"path"
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"regexp"
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"strconv"
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"strings"
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"yunion.io/x/log"
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"yunion.io/x/pkg/errors"
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"yunion.io/x/pkg/utils"
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"yunion.io/x/onecloud/pkg/hostman/diskutils/deploy_iface"
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"yunion.io/x/onecloud/pkg/hostman/guestfs"
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"yunion.io/x/onecloud/pkg/hostman/guestfs/fsdriver"
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"yunion.io/x/onecloud/pkg/hostman/hostdeployer/apis"
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"yunion.io/x/onecloud/pkg/util/fileutils2"
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"yunion.io/x/onecloud/pkg/util/procutils"
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"yunion.io/x/onecloud/pkg/util/regutils2"
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"yunion.io/x/onecloud/pkg/util/xfsutils"
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)
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func IsPartedFsString(fsstr string) bool {
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return utils.IsInStringArray(strings.ToLower(fsstr), []string{
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"ext2", "ext3", "ext4", "xfs",
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"fat16", "fat32",
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"hfs", "hfs+", "hfsx",
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"linux-swap", "linux-swap(v1)",
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"ntfs", "reiserfs", "ufs", "btrfs",
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})
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}
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func ParseDiskPartition(dev string, lines []string) ([][]string, string) {
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var (
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parts = [][]string{}
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label string
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labelPartten = regexp.MustCompile(`Partition Table:\s+(?P<label>\w+)`)
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partten = regexp.MustCompile(`(?P<idx>\d+)\s+(?P<start>\d+)s\s+(?P<end>\d+)s\s+(?P<count>\d+)s`)
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)
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for _, line := range lines {
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if len(label) == 0 {
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m := regutils2.GetParams(labelPartten, line)
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if len(m) > 0 {
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label = m["label"]
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}
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}
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m := regutils2.GetParams(partten, line)
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if len(m) > 0 {
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var (
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idx = m["idx"]
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start = m["start"]
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end = m["end"]
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count = m["count"]
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devname = dev
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)
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if '0' <= dev[len(dev)-1] && dev[len(dev)-1] <= '9' {
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devname += "p"
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}
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devname += idx
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data := regexp.MustCompile(`\s+`).Split(strings.TrimSpace(line), -1)
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var disktype, fs, flag string
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var offset = 0
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if len(data) > 4 {
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if label == "msdos" {
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disktype = data[4]
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if len(data) > 5 && IsPartedFsString(data[5]) {
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fs = data[5]
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offset += 1
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}
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if len(data) > 5+offset {
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flag = data[5+offset]
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}
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} else if label == "gpt" {
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if IsPartedFsString(data[4]) {
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fs = data[4]
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offset += 1
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}
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if len(data) > 4+offset {
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disktype = data[4+offset]
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}
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if len(data) > 4+offset+1 {
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flag = data[4+offset+1]
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}
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}
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}
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var bootable = ""
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if len(flag) > 0 && strings.Index(flag, "boot") >= 0 {
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bootable = "true"
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}
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parts = append(parts, []string{idx, bootable, start, end, count, disktype, fs,
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devname})
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}
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}
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return parts, label
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}
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func GetDevSector512Count(dev string) int {
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sizeStr, _ := fileutils2.FileGetContents(fmt.Sprintf("/sys/block/%s/size", dev))
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sizeStr = strings.Trim(sizeStr, "\n")
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size, _ := strconv.Atoi(sizeStr)
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return size
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}
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func ResizeDiskFs(diskPath string, sizeMb int) error {
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var cmds = []string{"parted", "-a", "none", "-s", diskPath, "--", "unit", "s", "print"}
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lines, err := procutils.NewCommand(cmds[0], cmds[1:]...).Output()
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if err != nil {
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hasPartTable := func() bool {
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for _, line := range strings.Split(string(lines), "\n") {
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if strings.Contains(line, "Partition Table") {
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return true
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}
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}
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return false
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}
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if hasPartTable() {
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return nil
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}
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log.Errorf("resize disk fs fail, output: %s , error: %s", lines, err)
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return err
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}
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parts, label := ParseDiskPartition(diskPath, strings.Split(string(lines), "\n"))
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log.Infof("Parts: %v label: %s", parts, label)
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maxSector := GetDevSector512Count(path.Base(diskPath))
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if label == "gpt" {
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proc := procutils.NewCommand("gdisk", diskPath)
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stdin, err := proc.StdinPipe()
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if err != nil {
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return err
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}
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defer stdin.Close()
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outb, err := proc.StdoutPipe()
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if err != nil {
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return err
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}
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defer outb.Close()
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errb, err := proc.StderrPipe()
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if err != nil {
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return err
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}
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defer errb.Close()
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if err := proc.Start(); err != nil {
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return err
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}
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for _, s := range []string{"r", "e", "Y", "w", "Y", "Y"} {
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io.WriteString(stdin, fmt.Sprintf("%s\n", s))
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}
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stdoutPut, err := ioutil.ReadAll(outb)
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if err != nil {
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return err
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}
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stderrOutPut, err := ioutil.ReadAll(errb)
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if err != nil {
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return err
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}
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log.Infof("gdisk: %s %s", stdoutPut, stderrOutPut)
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if err = proc.Wait(); err != nil {
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if status, succ := proc.GetExitStatus(err); succ {
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if status != 1 {
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return err
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}
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} else {
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return err
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}
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}
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}
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if len(parts) > 0 && (label == "gpt" ||
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(label == "msdos" && parts[len(parts)-1][5] == "primary")) {
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var (
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part = parts[len(parts)-1]
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end int
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)
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if sizeMb > 0 {
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end = sizeMb * 1024 * 2
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} else if label == "gpt" {
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end = maxSector - 35
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} else {
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end = maxSector - 1
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}
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if label == "msdos" && end >= 4294967296 {
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end = 4294967295
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}
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if IsSupportResizeFs(part[6]) {
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cmds := []string{"parted", "-a", "none", "-s", diskPath, "--", "resizepart", part[0], fmt.Sprintf("%ds", end)}
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log.Infof("resize disk partition: %s", cmds)
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output, err := procutils.NewCommand(cmds[0], cmds[1:]...).Output()
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if err != nil {
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return errors.Wrapf(err, "parted failed %s", output)
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}
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err, _ = ResizePartitionFs(part[7], part[6], false)
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if err != nil {
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return errors.Wrapf(err, "resize fs %s", part[6])
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}
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}
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}
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return nil
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}
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func IsSupportResizeFs(fs string) bool {
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if strings.HasPrefix(fs, "linux-swap") {
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return true
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} else if strings.HasPrefix(fs, "ext") {
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return true
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} else if fs == "xfs" {
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return true
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}
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return false
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}
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func ResizePartitionFs(fpath, fs string, raiseError bool) (error, bool) {
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if len(fs) == 0 {
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return nil, false
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}
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var (
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cmds = [][]string{}
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uuids, _ = fileutils2.GetDevUuid(fpath)
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)
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if strings.HasPrefix(fs, "linux-swap") {
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if v, ok := uuids["UUID"]; ok {
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cmds = [][]string{{"mkswap", "-U", v, fpath}}
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} else {
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cmds = [][]string{{"mkswap", fpath}}
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}
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} else if strings.HasPrefix(fs, "ext") {
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if !FsckExtFs(fpath) {
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if raiseError {
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return fmt.Errorf("Failed to fsck ext fs %s", fpath), false
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} else {
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return nil, false
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}
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}
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cmds = [][]string{{"resize2fs", fpath}}
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} else if fs == "xfs" {
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var tmpPoint = fmt.Sprintf("/tmp/%s", strings.Replace(fpath, "/", "_", -1))
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if _, err := procutils.NewCommand("mountpoint", tmpPoint).Output(); err == nil {
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output, err := procutils.NewCommand("umount", "-f", tmpPoint).Output()
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if err != nil {
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log.Errorf("failed umount %s: %s, %s", tmpPoint, err, output)
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return err, false
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}
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}
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FsckXfsFs(fpath)
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uuid := uuids["UUID"]
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if len(uuid) > 0 {
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xfsutils.LockXfsPartition(uuid)
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defer xfsutils.UnlockXfsPartition(uuid)
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}
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cmds = [][]string{{"mkdir", "-p", tmpPoint},
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{"mount", fpath, tmpPoint},
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{"sleep", "2"},
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{"xfs_growfs", tmpPoint},
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{"sleep", "2"},
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{"umount", tmpPoint},
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{"sleep", "2"},
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{"rm", "-fr", tmpPoint}}
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} else if fs == "ntfs" {
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// the following cmds may cause disk damage on Windows 10 with new version of NTFS
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// comment out the following codes only impact Windows 2003
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// as windows 2003 deprecated, so choose to sacrifies windows 2003
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// cmds = [][]string{{"ntfsresize", "-c", fpath}, {"ntfsresize", "-P", "-f", fpath}}
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}
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if len(cmds) > 0 {
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for _, cmd := range cmds {
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output, err := procutils.NewCommand(cmd[0], cmd[1:]...).Output()
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if err != nil {
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log.Errorf("resize partition: %s, %s", err, output)
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if raiseError {
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return err, false
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} else {
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return nil, false
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}
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}
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}
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}
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return nil, true
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}
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func FsckExtFs(fpath string) bool {
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log.Debugf("Exec command: %v", []string{"e2fsck", "-f", "-p", fpath})
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cmd := procutils.NewCommand("e2fsck", "-f", "-p", fpath)
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if err := cmd.Start(); err != nil {
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log.Errorf("e2fsck start failed: %s", err)
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return false
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} else {
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err = cmd.Wait()
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if err != nil {
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if status, ok := cmd.GetExitStatus(err); ok {
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if status < 4 {
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return true
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}
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}
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log.Errorln(err)
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return false
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} else {
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return true
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}
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}
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}
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// https://bugs.launchpad.net/ubuntu/+source/xfsprogs/+bug/1718244
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// use xfs_repair -n instead
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func FsckXfsFs(fpath string) bool {
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if output, err := procutils.NewCommand("xfs_check", fpath).Output(); err != nil {
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log.Errorf("xfs_check failed: %s, %s, try xfs_repair -n <dev> instead", err, output)
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if output, err := procutils.NewCommand("xfs_repair", "-n", fpath).Output(); err != nil {
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log.Errorf("xfs_repair -n dev failed: %s, %s", err, output)
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// repair the xfs
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procutils.NewCommand("xfs_repair", fpath).Output()
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return false
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}
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}
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return true
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}
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func Mkpartition(imagePath, fsFormat string) error {
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var (
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parted = "parted"
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labelType = "gpt"
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diskType = fileutils2.FsFormatToDiskType(fsFormat)
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)
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if len(diskType) == 0 {
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return fmt.Errorf("Unknown fsFormat %s", fsFormat)
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}
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// 创建一个新磁盘分区表类型, ex: mbr gpt msdos ...
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output, err := procutils.NewCommand(parted, "-s", imagePath, "mklabel", labelType).Output()
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if err != nil {
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log.Errorf("mklabel %s %s error: %s, %s", imagePath, fsFormat, err, output)
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return errors.Wrapf(err, "parted mklabel failed: %s", output)
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}
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// 创建一个part-type类型的分区, part-type可以是："primary", "logical", "extended"
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// 如果指定fs-type(即diskType)则在创建分区的同时进行格式化
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output, err = procutils.NewCommand(parted, "-s", "-a", "cylinder",
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imagePath, "mkpart", "primary", diskType, "0", "100%").Output()
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if err != nil {
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log.Errorf("mkpart %s %s error: %s, %s", imagePath, fsFormat, err, output)
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return errors.Wrapf(err, "parted mkpart failed: %s", output)
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}
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return nil
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}
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func FormatPartition(path, fs, uuid string) error {
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var cmd, cmdUuid []string
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switch {
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case fs == "swap":
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cmd = []string{"mkswap", "-U", uuid}
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case fs == "ext2":
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cmd = []string{"mkfs.ext2"}
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cmdUuid = []string{"tune2fs", "-U", uuid}
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case fs == "ext3":
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cmd = []string{"mkfs.ext3"}
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cmdUuid = []string{"tune2fs", "-U", uuid}
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case fs == "ext4":
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cmd = []string{"mkfs.ext4", "-O", "^64bit", "-E", "lazy_itable_init=1", "-T", "largefile"}
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cmdUuid = []string{"tune2fs", "-U", uuid}
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case fs == "ext4dev":
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cmd = []string{"mkfs.ext4dev", "-E", "lazy_itable_init=1"}
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cmdUuid = []string{"tune2fs", "-U", uuid}
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case strings.HasPrefix(fs, "fat"):
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cmd = []string{"mkfs.msdos"}
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// #case fs == "ntfs":
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// # cmd = []string{"/sbin/mkfs.ntfs"}
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case fs == "xfs":
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cmd = []string{"mkfs.xfs", "-f", "-m", "crc=0", "-i", "projid32bit=0", "-n", "ftype=0"}
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cmdUuid = []string{"xfs_admin", "-U", uuid}
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}
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if len(cmd) > 0 {
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var cmds = cmd
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cmds = append(cmds, path)
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if output, err := procutils.NewCommand(cmds[0], cmds[1:]...).Output(); err != nil {
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log.Errorf("%v failed: %s, %s", cmds, err, output)
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return errors.Wrapf(err, "format partition failed %s", output)
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}
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if len(cmdUuid) > 0 {
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cmds = cmdUuid
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cmds = append(cmds, path)
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if output, err := procutils.NewCommand(cmds[0], cmds[1:]...).Output(); err != nil {
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log.Errorf("%v failed: %s, %s", cmds, err, output)
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return errors.Wrapf(err, "format partition set uuid failed %s", output)
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}
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}
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return nil
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}
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return fmt.Errorf("Unknown fs %s", fs)
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}
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func DetectIsUEFISupport(rootfs fsdriver.IRootFsDriver, partitions []fsdriver.IDiskPartition) bool {
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for i := 0; i < len(partitions); i++ {
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if partitions[i].IsMounted() {
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if rootfs.DetectIsUEFISupport(partitions[i]) {
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return true
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}
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} else {
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if partitions[i].Mount() {
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support := rootfs.DetectIsUEFISupport(partitions[i])
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if err := partitions[i].Umount(); err != nil {
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log.Errorf("failed umount %s: %s", partitions[i].GetPartDev(), err)
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}
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if support {
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return true
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}
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}
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}
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}
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return false
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}
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func MountRootfs(readonly bool, partitions []fsdriver.IDiskPartition) (fsdriver.IRootFsDriver, error) {
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errs := []error{}
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for i := 0; i < len(partitions); i++ {
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log.Infof("detect partition %s", partitions[i].GetPartDev())
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mountFunc := partitions[i].Mount
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if readonly {
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mountFunc = partitions[i].MountPartReadOnly
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}
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if mountFunc() {
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fs, err := guestfs.DetectRootFs(partitions[i])
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if err == nil {
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log.Infof("Use rootfs %s, partition %s", fs, partitions[i].GetPartDev())
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return fs, nil
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}
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errs = append(errs, err)
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if err := partitions[i].Umount(); err != nil {
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log.Errorf("failed umount %s: %s", partitions[i].GetPartDev(), err)
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}
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}
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}
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if len(partitions) == 0 {
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return nil, errors.Wrap(errors.ErrNotFound, "not found any partition")
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}
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var err error = errors.ErrNotFound
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if len(errs) > 0 {
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err = errors.Wrapf(errors.ErrNotFound, errors.NewAggregate(errs).Error())
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}
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return nil, err
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}
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func DeployGuestfs(d deploy_iface.IDeployer, req *apis.DeployParams) (res *apis.DeployGuestFsResponse, err error) {
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root, err := d.MountRootfs(false)
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if err != nil {
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if errors.Cause(err) == errors.ErrNotFound && req.DeployInfo.IsInit {
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// if init deploy, ignore no partition error
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log.Errorf("disk.MountRootfs not found partition, not init, quit")
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return nil, nil
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}
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log.Errorf("Failed mounting rootfs for %s disk: %s", req.GuestDesc.Hypervisor, err)
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return nil, err
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}
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defer d.UmountRootfs(root)
|
||
ret, err := guestfs.DoDeployGuestFs(root, req.GuestDesc, req.DeployInfo)
|
||
if err != nil {
|
||
log.Errorf("guestfs.DoDeployGuestFs fail %s", err)
|
||
return nil, err
|
||
}
|
||
if ret == nil {
|
||
log.Errorf("guestfs.DoDeployGuestFs return empty results")
|
||
return nil, nil
|
||
}
|
||
return ret, nil
|
||
}
|
||
|
||
func ResizeFs(d deploy_iface.IDeployer) (*apis.Empty, error) {
|
||
unmount := func(root fsdriver.IRootFsDriver) error {
|
||
err := d.UmountRootfs(root)
|
||
if err != nil {
|
||
return errors.Wrap(err, "unmount rootfs")
|
||
}
|
||
return nil
|
||
}
|
||
|
||
root, err := d.MountRootfs(false)
|
||
if err != nil {
|
||
if errors.Cause(err) == errors.ErrNotFound {
|
||
return new(apis.Empty), nil
|
||
}
|
||
return new(apis.Empty), errors.Wrapf(err, "disk.MountRootfs")
|
||
}
|
||
if !root.IsResizeFsPartitionSupport() {
|
||
err := unmount(root)
|
||
if err != nil {
|
||
return new(apis.Empty), err
|
||
}
|
||
return new(apis.Empty), errors.ErrNotSupported
|
||
}
|
||
|
||
// must umount rootfs before resize partition
|
||
err = unmount(root)
|
||
if err != nil {
|
||
return new(apis.Empty), err
|
||
}
|
||
err = d.ResizePartition()
|
||
if err != nil {
|
||
return new(apis.Empty), errors.Wrap(err, "resize disk partition")
|
||
}
|
||
return new(apis.Empty), nil
|
||
}
|
||
|
||
func FormatFs(d deploy_iface.IDeployer, req *apis.FormatFsParams) (*apis.Empty, error) {
|
||
err := d.MakePartition(req.FsFormat)
|
||
if err != nil {
|
||
return new(apis.Empty), errors.Wrap(err, "MakePartition")
|
||
}
|
||
err = d.FormatPartition(req.FsFormat, req.Uuid)
|
||
if err != nil {
|
||
return new(apis.Empty), errors.Wrap(err, "FormatPartition")
|
||
}
|
||
return new(apis.Empty), nil
|
||
}
|
||
|
||
func SaveToGlance(d deploy_iface.IDeployer, req *apis.SaveToGlanceParams) (*apis.SaveToGlanceResponse, error) {
|
||
var (
|
||
osInfo string
|
||
relInfo *apis.ReleaseInfo
|
||
)
|
||
|
||
ret := &apis.SaveToGlanceResponse{
|
||
OsInfo: osInfo,
|
||
ReleaseInfo: relInfo,
|
||
}
|
||
|
||
root, err := d.MountRootfs(false)
|
||
if err != nil {
|
||
if errors.Cause(err) == errors.ErrNotFound {
|
||
return ret, nil
|
||
}
|
||
return ret, errors.Wrapf(err, "MountKvmRootfs")
|
||
}
|
||
defer d.UmountRootfs(root)
|
||
|
||
osInfo = root.GetOs()
|
||
relInfo = root.GetReleaseInfo(root.GetPartition())
|
||
if req.Compress {
|
||
err = root.PrepareFsForTemplate(root.GetPartition())
|
||
if err != nil {
|
||
log.Errorf("PrepareFsForTemplate %s", err)
|
||
}
|
||
}
|
||
if req.Compress {
|
||
d.Zerofree()
|
||
}
|
||
return ret, err
|
||
}
|
||
|
||
func ProbeImageInfo(d deploy_iface.IDeployer) (*apis.ImageInfo, error) {
|
||
// Fsck is executed during mount
|
||
rootfs, err := d.MountRootfs(false)
|
||
if err != nil {
|
||
if errors.Cause(err) == errors.ErrNotFound {
|
||
return new(apis.ImageInfo), nil
|
||
}
|
||
return new(apis.ImageInfo), errors.Wrapf(err, "d.MountKvmRootfs")
|
||
}
|
||
partition := rootfs.GetPartition()
|
||
imageInfo := &apis.ImageInfo{
|
||
OsInfo: rootfs.GetReleaseInfo(partition),
|
||
OsType: rootfs.GetOs(),
|
||
IsLvmPartition: d.IsLVMPartition(),
|
||
IsReadonly: partition.IsReadonly(),
|
||
IsInstalledCloudInit: rootfs.IsCloudinitInstall(),
|
||
}
|
||
d.UmountRootfs(rootfs)
|
||
|
||
// In case of deploy driver is guestfish, we can't mount
|
||
// multi partition concurrent, so we need umount rootfs first
|
||
imageInfo.IsUefiSupport = d.DetectIsUEFISupport(rootfs)
|
||
imageInfo.PhysicalPartitionType = partition.GetPhysicalPartitionType()
|
||
log.Infof("ProbeImageInfo response %s", imageInfo)
|
||
return imageInfo, nil
|
||
}
|