Files
cloudpods/pkg/hostman/hostdeployer/deployserver/deployserver.go
2020-01-15 16:59:25 +08:00

305 lines
8.9 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package deployserver
import (
"context"
"fmt"
"net"
"os"
"runtime/debug"
"strings"
"google.golang.org/grpc"
execlient "yunion.io/x/executor/client"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
comapi "yunion.io/x/onecloud/pkg/apis/compute"
common_options "yunion.io/x/onecloud/pkg/cloudcommon/options"
"yunion.io/x/onecloud/pkg/cloudcommon/service"
"yunion.io/x/onecloud/pkg/hostman/diskutils"
"yunion.io/x/onecloud/pkg/hostman/diskutils/nbd"
"yunion.io/x/onecloud/pkg/hostman/guestfs"
"yunion.io/x/onecloud/pkg/hostman/guestfs/fsdriver"
deployapi "yunion.io/x/onecloud/pkg/hostman/hostdeployer/apis"
"yunion.io/x/onecloud/pkg/util/fileutils2"
"yunion.io/x/onecloud/pkg/util/procutils"
"yunion.io/x/onecloud/pkg/util/sysutils"
"yunion.io/x/onecloud/pkg/util/winutils"
)
type DeployerServer struct{}
func (*DeployerServer) DeployGuestFs(ctx context.Context, req *deployapi.DeployParams,
) (res *deployapi.DeployGuestFsResponse, err error) {
// There will be some occasional unknown panic, so temporarily capture panic here.
defer func() {
if r := recover(); r != nil {
log.Errorf("DeployGuestFs: %s", r)
debug.PrintStack()
msg := "panic: "
if str, ok := r.(fmt.Stringer); ok {
msg += str.String()
}
res, err = nil, errors.Error(msg)
}
}()
log.Infof("Deploy guest fs on %s", req.DiskPath)
var disk = diskutils.GetIDisk(req)
if len(req.GuestDesc.Hypervisor) == 0 {
req.GuestDesc.Hypervisor = comapi.HYPERVISOR_KVM
}
defer disk.Disconnect()
if !disk.Connect() {
log.Infof("Failed to connect %s disk", req.GuestDesc.Hypervisor)
return new(deployapi.DeployGuestFsResponse), errors.Error("disk connect failed")
}
root := disk.MountRootfs()
if root == nil {
log.Infof("Failed mounting rootfs for %s disk", req.GuestDesc.Hypervisor)
return new(deployapi.DeployGuestFsResponse), errors.Error("rootfs mount failed")
}
defer disk.UmountRootfs(root)
ret, err := guestfs.DoDeployGuestFs(root, req.GuestDesc, req.DeployInfo)
if err != nil {
return new(deployapi.DeployGuestFsResponse), err
}
if ret == nil {
return new(deployapi.DeployGuestFsResponse), nil
}
return ret, nil
}
func (*DeployerServer) ResizeFs(ctx context.Context, req *deployapi.ResizeFsParams,
) (*deployapi.Empty, error) {
log.Infof("Resize fs on %s", req.DiskPath)
disk := diskutils.NewKVMGuestDisk(req.DiskPath)
defer disk.Disconnect()
if !disk.Connect() {
return new(deployapi.Empty), errors.Error("resize fs disk connect failed")
}
root := disk.MountKvmRootfs()
if root == nil {
err := disk.ResizePartition()
return new(deployapi.Empty), err
} else {
if !root.IsResizeFsPartitionSupport() {
disk.UmountKvmRootfs(root)
return new(deployapi.Empty), nil
} else {
disk.UmountKvmRootfs(root)
err := disk.ResizePartition()
return new(deployapi.Empty), err
}
}
}
func (*DeployerServer) FormatFs(ctx context.Context, req *deployapi.FormatFsParams) (*deployapi.Empty, error) {
log.Infof("Format fs on %s", req.DiskPath)
gd := diskutils.NewKVMGuestDisk(req.DiskPath)
defer gd.Disconnect()
if gd.Connect() {
if err := gd.MakePartition(req.FsFormat); err == nil {
err = gd.FormatPartition(req.FsFormat, req.Uuid)
if err != nil {
return new(deployapi.Empty), err
}
} else {
return new(deployapi.Empty), err
}
}
return new(deployapi.Empty), nil
}
func (*DeployerServer) SaveToGlance(ctx context.Context, req *deployapi.SaveToGlanceParams) (*deployapi.SaveToGlanceResponse, error) {
log.Infof("%s save to glance", req.DiskPath)
var (
kvmDisk = diskutils.NewKVMGuestDisk(req.DiskPath)
osInfo string
relInfo *deployapi.ReleaseInfo
)
defer kvmDisk.Disconnect()
if kvmDisk.Connect() {
var err error
func() {
if root := kvmDisk.MountKvmRootfs(); root != nil {
defer kvmDisk.UmountKvmRootfs(root)
osInfo = root.GetOs()
relInfo = root.GetReleaseInfo(root.GetPartition())
if req.Compress {
err = root.PrepareFsForTemplate(root.GetPartition())
}
}
}()
if err != nil {
log.Errorln(err)
return new(deployapi.SaveToGlanceResponse), err
}
if req.Compress {
kvmDisk.Zerofree()
}
}
return &deployapi.SaveToGlanceResponse{
OsInfo: osInfo,
ReleaseInfo: relInfo,
}, nil
}
func getImageInfo(kvmDisk *diskutils.SKVMGuestDisk, rootfs fsdriver.IRootFsDriver) *deployapi.ImageInfo {
partition := rootfs.GetPartition()
return &deployapi.ImageInfo{
OsInfo: rootfs.GetReleaseInfo(partition),
OsType: rootfs.GetOs(),
IsUefiSupport: kvmDisk.DetectIsUEFISupport(rootfs),
IsLvmPartition: kvmDisk.IsLVMPartition(),
IsReadonly: partition.IsReadonly(),
PhysicalPartitionType: partition.GetPhysicalPartitionType(),
IsInstalledCloudInit: rootfs.IsCloudinitInstall(),
}
}
func (*DeployerServer) ProbeImageInfo(ctx context.Context, req *deployapi.ProbeImageInfoPramas) (*deployapi.ImageInfo, error) {
log.Infof("%s probe image info", req.DiskPath)
kvmDisk := diskutils.NewKVMGuestDisk(req.DiskPath)
defer kvmDisk.Disconnect()
if !kvmDisk.Connect() {
log.Infof("Failed to connect kvm disk")
return new(deployapi.ImageInfo), errors.Error("Disk connector failed to connect image")
}
// Fsck is executed during mount
rootfs := kvmDisk.MountKvmRootfs()
if rootfs == nil {
return new(deployapi.ImageInfo), fmt.Errorf("Failed mounting rootfs for kvm disk")
}
defer kvmDisk.UmountKvmRootfs(rootfs)
imageInfo := getImageInfo(kvmDisk, rootfs)
log.Infof("ProbeImageInfo response %s", imageInfo)
return imageInfo, nil
}
type SDeployService struct {
*service.SServiceBase
}
func NewDeployService() *SDeployService {
deployer := &SDeployService{}
deployer.SServiceBase = service.NewBaseService(deployer)
return deployer
}
func (s *SDeployService) RunService() {
grpcServer := grpc.NewServer()
deployapi.RegisterDeployAgentServer(grpcServer, &DeployerServer{})
if fileutils2.Exists(DeployOption.DeployServerSocketPath) {
if conn, err := net.Dial("unix", DeployOption.DeployServerSocketPath); err == nil {
conn.Close()
log.Fatalf("socket %s already listening", DeployOption.DeployServerSocketPath)
}
if err := os.Remove(DeployOption.DeployServerSocketPath); err != nil {
log.Fatalln(err)
}
}
listener, err := net.Listen("unix", DeployOption.DeployServerSocketPath)
if err != nil {
log.Fatalln(err)
}
defer listener.Close()
log.Infof("Init net listener on %s succ", DeployOption.DeployServerSocketPath)
grpcServer.Serve(listener)
}
func (s *SDeployService) FixPathEnv() error {
var paths = []string{
"/usr/bin",
"/usr/local/sbin",
"/usr/local/bin",
"/sbin",
"/bin",
"/usr/sbin",
}
return os.Setenv("PATH", strings.Join(paths, ":"))
}
func (s *SDeployService) PrepareEnv() error {
if err := s.FixPathEnv(); err != nil {
return err
}
output, err := procutils.NewRemoteCommandAsFarAsPossible("rmmod", "nbd").Output()
if err != nil {
log.Errorf("rmmod error: %s", output)
}
output, err = procutils.NewRemoteCommandAsFarAsPossible("modprobe", "nbd", "max_part=16").Output()
if err != nil {
return fmt.Errorf("Failed to activate nbd device: %s", output)
}
err = nbd.Init()
if err != nil {
return err
}
// https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-bdi
for i := 0; i < 16; i++ {
nbdBdi := fmt.Sprintf("/sys/block/nbd%d/bdi/", i)
sysutils.SetSysConfig(nbdBdi+"max_ratio", "0")
sysutils.SetSysConfig(nbdBdi+"min_ratio", "0")
}
if !winutils.CheckTool(DeployOption.ChntpwPath) {
if winutils.CheckTool("/usr/bin/chntpw.static") {
winutils.SetChntpwPath("/usr/bin/chntpw.static")
} else {
log.Errorf("Failed to find chntpw tool")
}
} else {
winutils.SetChntpwPath(DeployOption.ChntpwPath)
}
output, err = procutils.NewCommand("pvscan").Output()
if err != nil {
log.Errorf("Failed exec lvm command pvscan: %s", output)
}
return nil
}
func (s *SDeployService) InitService() {
common_options.ParseOptions(&DeployOption, os.Args, "host.conf", "deploy-server")
log.Infof("exec socket path: %s", DeployOption.ExecSocketPath)
if DeployOption.EnableRemoteExecutor {
execlient.Init(DeployOption.ExecSocketPath)
procutils.SetRemoteExecutor()
}
if err := s.PrepareEnv(); err != nil {
log.Fatalln(err)
}
fsdriver.Init(DeployOption.PrivatePrefixes)
s.O = &DeployOption.BaseOptions
if len(DeployOption.DeployServerSocketPath) == 0 {
log.Fatalf("missing deploy server socket path")
}
// TODO implentment func onExit
s.SignalTrap(nil)
}
func (s *SDeployService) OnExitService() {}