mirror of
https://github.com/linka-cloud/d2vm.git
synced 2024-11-22 07:46:25 +00:00
run/qemu: remove usb and device flags
refactor: move qemu to its own package tests: implements end to end tests for the convert command with the following images: alpine:3.17, ubuntu:20.04, debian:11, centos:8 Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>
This commit is contained in:
Adphi
parent
532ee3f1a3
commit
1970ac19e4
@ -7,3 +7,4 @@ bin
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dist
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images
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examples/build
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e2e
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5
Makefile
5
Makefile
@ -64,7 +64,10 @@ docker-run:
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.PHONY: tests
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tests:
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@go generate ./...
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@go list ./...| xargs go test -exec sudo -count=1 -timeout 20m -v
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@go list .| xargs go test -exec sudo -count=1 -timeout 20m -v
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e2e: docker-build .build
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@go test -v -exec sudo -count=1 -timeout 60m -ldflags "-X '$(MODULE).Version=$(VERSION)' -X '$(MODULE).BuildDate=$(shell date)'" ./e2e
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docs-up-to-date:
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@$(MAKE) cli-docs
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@ -1,18 +1,13 @@
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package run
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import (
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"crypto/rand"
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"fmt"
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"net"
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"os"
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"os/exec"
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"runtime"
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"strconv"
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"strings"
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"github.com/google/uuid"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"go.linka.cloud/d2vm/pkg/qemu"
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)
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const (
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@ -37,8 +32,6 @@ var (
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qemuDetached bool
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networking string
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publishFlags MultipleFlag
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deviceFlags MultipleFlag
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usbEnabled bool
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QemuCmd = &cobra.Command{
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Use: "qemu [options] [image-path]",
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@ -71,7 +64,6 @@ func init() {
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// Paths and settings for disks
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flags.Var(&disks, "disk", "Disk config, may be repeated. [file=]path[,size=1G][,format=qcow2]")
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flags.StringVar(&data, "data", "", "String of metadata to pass to VM")
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// VM configuration
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flags.StringVar(&accel, "accel", defaultAccel, "Choose acceleration mode. Use 'tcg' to disable it.")
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@ -87,362 +79,45 @@ func init() {
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flags.StringVar(&networking, "networking", qemuNetworkingDefault, "Networking mode. Valid options are 'default', 'user', 'bridge[,name]', tap[,name] and 'none'. 'user' uses QEMUs userspace networking. 'bridge' connects to a preexisting bridge. 'tap' uses a prexisting tap device. 'none' disables networking.`")
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flags.Var(&publishFlags, "publish", "Publish a vm's port(s) to the host (default [])")
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// USB devices
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flags.BoolVar(&usbEnabled, "usb", false, "Enable USB controller")
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flags.Var(&deviceFlags, "device", "Add USB host device(s). Format driver[,prop=value][,...] -- add device, like --device on the qemu command line.")
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}
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func Qemu(cmd *cobra.Command, args []string) {
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// Generate UUID, so that /sys/class/dmi/id/product_uuid is populated
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vmUUID := uuid.New()
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// These envvars override the corresponding command line
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// options. So this must remain after the `flags.Parse` above.
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accel = GetStringValue("LINUXKIT_QEMU_ACCEL", accel, "")
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path := args[0]
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if _, err := os.Stat(path); err != nil {
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log.Fatal(err)
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}
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for i, d := range disks {
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id := ""
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if i != 0 {
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id = strconv.Itoa(i)
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}
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if d.Size != 0 && d.Format == "" {
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d.Format = "qcow2"
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}
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if d.Size != 0 && d.Path == "" {
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d.Path = "disk" + id + ".img"
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}
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if d.Path == "" {
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log.Fatalf("disk specified with no size or name")
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}
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disks[i] = d
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}
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disks = append(Disks{DiskConfig{Path: path}}, disks...)
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if networking == "" || networking == "default" {
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dflt := qemuNetworkingDefault
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networking = dflt
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}
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netMode := strings.SplitN(networking, ",", 2)
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var netdevConfig string
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switch netMode[0] {
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case qemuNetworkingUser:
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netdevConfig = "user,id=t0"
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case qemuNetworkingTap:
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if len(netMode) != 2 {
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log.Fatalf("Not enough arguments for %q networking mode", qemuNetworkingTap)
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}
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if len(publishFlags) != 0 {
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log.Fatalf("Port publishing requires %q networking mode", qemuNetworkingUser)
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}
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netdevConfig = fmt.Sprintf("tap,id=t0,ifname=%s,script=no,downscript=no", netMode[1])
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case qemuNetworkingBridge:
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if len(netMode) != 2 {
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log.Fatalf("Not enough arguments for %q networking mode", qemuNetworkingBridge)
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}
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if len(publishFlags) != 0 {
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log.Fatalf("Port publishing requires %q networking mode", qemuNetworkingUser)
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}
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netdevConfig = fmt.Sprintf("bridge,id=t0,br=%s", netMode[1])
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case qemuNetworkingNone:
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if len(publishFlags) != 0 {
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log.Fatalf("Port publishing requires %q networking mode", qemuNetworkingUser)
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}
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netdevConfig = ""
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default:
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log.Fatalf("Invalid networking mode: %s", netMode[0])
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}
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config := QemuConfig{
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Path: path,
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GUI: enableGUI,
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Disks: disks,
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Arch: arch,
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CPUs: cpus,
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Memory: mem,
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Accel: accel,
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Detached: qemuDetached,
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QemuBinPath: qemuCmd,
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PublishedPorts: publishFlags,
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NetdevConfig: netdevConfig,
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UUID: vmUUID,
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USB: usbEnabled,
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Devices: deviceFlags,
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}
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config, err := discoverBinaries(config)
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if err != nil {
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log.Fatal(err)
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}
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if err = runQemuLocal(config); err != nil {
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log.Fatal(err.Error())
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}
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}
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func runQemuLocal(config QemuConfig) error {
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var args []string
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config, args = buildQemuCmdline(config)
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for _, d := range config.Disks {
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// If disk doesn't exist then create one
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if _, err := os.Stat(d.Path); err != nil {
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if os.IsNotExist(err) {
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log.Debugf("Creating new qemu disk [%s] format %s", d.Path, d.Format)
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qemuImgCmd := exec.Command(config.QemuImgPath, "create", "-f", d.Format, d.Path, fmt.Sprintf("%dM", d.Size))
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log.Debugf("%v", qemuImgCmd.Args)
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if err := qemuImgCmd.Run(); err != nil {
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return fmt.Errorf("Error creating disk [%s] format %s: %s", d.Path, d.Format, err.Error())
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}
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} else {
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return err
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}
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} else {
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log.Infof("Using existing disk [%s] format %s", d.Path, d.Format)
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}
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}
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// Detached mode is only supported in a container.
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if config.Detached == true {
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return fmt.Errorf("Detached mode is only supported when running in a container, not locally")
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}
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qemuCmd := exec.Command(config.QemuBinPath, args...)
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// If verbosity is enabled print out the full path/arguments
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log.Debugf("%v", qemuCmd.Args)
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// If we're not using a separate window then link the execution to stdin/out
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if config.GUI != true {
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qemuCmd.Stdin = os.Stdin
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qemuCmd.Stdout = os.Stdout
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qemuCmd.Stderr = os.Stderr
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}
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return qemuCmd.Run()
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}
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func buildQemuCmdline(config QemuConfig) (QemuConfig, []string) {
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// Iterate through the flags and build arguments
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var qemuArgs []string
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qemuArgs = append(qemuArgs, "-smp", fmt.Sprintf("%d", config.CPUs))
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qemuArgs = append(qemuArgs, "-m", fmt.Sprintf("%d", config.Memory))
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qemuArgs = append(qemuArgs, "-uuid", config.UUID.String())
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// Need to specify the vcpu type when running qemu on arm64 platform, for security reason,
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// the vcpu should be "host" instead of other names such as "cortex-a53"...
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if config.Arch == "aarch64" {
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if runtime.GOARCH == "arm64" {
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qemuArgs = append(qemuArgs, "-cpu", "host")
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} else {
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qemuArgs = append(qemuArgs, "-cpu", "cortex-a57")
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}
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}
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// goArch is the GOARCH equivalent of config.Arch
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var goArch string
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switch config.Arch {
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case "s390x":
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goArch = "s390x"
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case "aarch64":
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goArch = "arm64"
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case "x86_64":
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goArch = "amd64"
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default:
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log.Fatalf("%s is an unsupported architecture.", config.Arch)
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}
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if goArch != runtime.GOARCH {
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log.Infof("Disable acceleration as %s != %s", config.Arch, runtime.GOARCH)
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config.Accel = ""
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}
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if config.Accel != "" {
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switch config.Arch {
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case "s390x":
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qemuArgs = append(qemuArgs, "-machine", fmt.Sprintf("s390-ccw-virtio,accel=%s", config.Accel))
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case "aarch64":
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gic := ""
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// VCPU supports less PA bits (36) than requested by the memory map (40)
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highmem := "highmem=off,"
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if runtime.GOOS == "linux" {
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// gic-version=host requires KVM, which implies Linux
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gic = "gic_version=host,"
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highmem = ""
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}
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qemuArgs = append(qemuArgs, "-machine", fmt.Sprintf("virt,%s%saccel=%s", gic, highmem, config.Accel))
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default:
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qemuArgs = append(qemuArgs, "-machine", fmt.Sprintf("q35,accel=%s", config.Accel))
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}
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} else {
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switch config.Arch {
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case "s390x":
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qemuArgs = append(qemuArgs, "-machine", "s390-ccw-virtio")
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case "aarch64":
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qemuArgs = append(qemuArgs, "-machine", "virt")
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default:
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qemuArgs = append(qemuArgs, "-machine", "q35")
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}
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}
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// rng-random does not work on macOS
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// Temporarily disable it until fixed upstream.
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if runtime.GOOS != "darwin" {
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rng := "rng-random,id=rng0"
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if runtime.GOOS == "linux" {
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rng = rng + ",filename=/dev/urandom"
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}
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if config.Arch == "s390x" {
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qemuArgs = append(qemuArgs, "-object", rng, "-device", "virtio-rng-ccw,rng=rng0")
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} else {
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qemuArgs = append(qemuArgs, "-object", rng, "-device", "virtio-rng-pci,rng=rng0")
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}
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}
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var lastDisk int
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for i, d := range config.Disks {
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index := i
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if d.Format != "" {
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qemuArgs = append(qemuArgs, "-drive", "file="+d.Path+",format="+d.Format+",index="+strconv.Itoa(index)+",media=disk")
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} else {
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qemuArgs = append(qemuArgs, "-drive", "file="+d.Path+",index="+strconv.Itoa(index)+",media=disk")
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}
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lastDisk = index
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}
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// Ensure CDROMs start from at least hdc
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if lastDisk < 2 {
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lastDisk = 2
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}
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if config.NetdevConfig == "" {
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qemuArgs = append(qemuArgs, "-net", "none")
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} else {
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mac := generateMAC()
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if config.Arch == "s390x" {
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qemuArgs = append(qemuArgs, "-device", "virtio-net-ccw,netdev=t0,mac="+mac.String())
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} else {
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qemuArgs = append(qemuArgs, "-device", "virtio-net-pci,netdev=t0,mac="+mac.String())
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}
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forwardings, err := buildQemuForwardings(config.PublishedPorts)
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if err != nil {
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log.Error(err)
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}
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qemuArgs = append(qemuArgs, "-netdev", config.NetdevConfig+forwardings)
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}
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if config.GUI != true {
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qemuArgs = append(qemuArgs, "-nographic")
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}
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if config.USB == true {
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qemuArgs = append(qemuArgs, "-usb")
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}
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for _, d := range config.Devices {
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qemuArgs = append(qemuArgs, "-device", d)
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}
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return config, qemuArgs
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}
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func discoverBinaries(config QemuConfig) (QemuConfig, error) {
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if config.QemuImgPath != "" {
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return config, nil
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}
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qemuBinPath := "qemu-system-" + config.Arch
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qemuImgPath := "qemu-img"
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var err error
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config.QemuBinPath, err = exec.LookPath(qemuBinPath)
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if err != nil {
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return config, fmt.Errorf("Unable to find %s within the $PATH", qemuBinPath)
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}
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config.QemuImgPath, err = exec.LookPath(qemuImgPath)
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if err != nil {
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return config, fmt.Errorf("Unable to find %s within the $PATH", qemuImgPath)
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}
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return config, nil
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}
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func buildQemuForwardings(publishFlags MultipleFlag) (string, error) {
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if len(publishFlags) == 0 {
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return "", nil
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}
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var forwardings string
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var publishedPorts []PublishedPort
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for _, publish := range publishFlags {
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p, err := NewPublishedPort(publish)
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if err != nil {
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return "", err
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log.Fatal(err)
|
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}
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hostPort := p.Host
|
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guestPort := p.Guest
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forwardings = fmt.Sprintf("%s,hostfwd=%s::%d-:%d", forwardings, p.Protocol, hostPort, guestPort)
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publishedPorts = append(publishedPorts, p)
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}
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return forwardings, nil
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}
|
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|
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func buildDockerForwardings(publishedPorts []string) ([]string, error) {
|
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pmap := []string{}
|
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for _, port := range publishedPorts {
|
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s, err := NewPublishedPort(port)
|
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if err != nil {
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return nil, err
|
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}
|
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pmap = append(pmap, "-p", fmt.Sprintf("%d:%d/%s", s.Host, s.Guest, s.Protocol))
|
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opts := []qemu.Option{
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qemu.WithDisks(disks...),
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qemu.WithAccel(accel),
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qemu.WithArch(arch),
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qemu.WithCPUs(cpus),
|
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qemu.WithMemory(mem),
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qemu.WithNetworking(networking),
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qemu.WithStdin(os.Stdin),
|
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qemu.WithStdout(os.Stdout),
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qemu.WithStderr(os.Stderr),
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}
|
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if enableGUI {
|
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opts = append(opts, qemu.WithGUI())
|
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}
|
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if qemuDetached {
|
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opts = append(opts, qemu.WithDetached())
|
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}
|
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if err := qemu.Run(cmd.Context(), path, opts...); err != nil {
|
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log.Fatal(err)
|
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}
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return pmap, nil
|
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}
|
||||
|
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// QemuConfig contains the config for Qemu
|
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type QemuConfig struct {
|
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Path string
|
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GUI bool
|
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Disks Disks
|
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FWPath string
|
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Arch string
|
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CPUs uint
|
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Memory uint
|
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Accel string
|
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Detached bool
|
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QemuBinPath string
|
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QemuImgPath string
|
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PublishedPorts []string
|
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NetdevConfig string
|
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UUID uuid.UUID
|
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USB bool
|
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Devices []string
|
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}
|
||||
|
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func haveKVM() bool {
|
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_, err := os.Stat("/dev/kvm")
|
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return !os.IsNotExist(err)
|
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}
|
||||
|
||||
func generateMAC() net.HardwareAddr {
|
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mac := make([]byte, 6)
|
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n, err := rand.Read(mac)
|
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if err != nil {
|
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log.WithError(err).Fatal("failed to generate random mac address")
|
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}
|
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if n != 6 {
|
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log.WithError(err).Fatalf("generated %d bytes for random mac address", n)
|
||||
}
|
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mac[0] &^= 0x01 // Clear multicast bit
|
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mac[0] |= 0x2 // Set locally administered bit
|
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return net.HardwareAddr(mac)
|
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}
|
||||
|
||||
@ -28,6 +28,8 @@ import (
|
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"time"
|
||||
|
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"golang.org/x/crypto/ssh"
|
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|
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"go.linka.cloud/d2vm/pkg/qemu"
|
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)
|
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|
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//go:embed sparsecat-linux-amd64
|
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@ -188,15 +190,8 @@ func ConvertMBtoGB(i int) int {
|
||||
return (i + (1024 - i%1024)) / 1024
|
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}
|
||||
|
||||
// DiskConfig is the config for a disk
|
||||
type DiskConfig struct {
|
||||
Path string
|
||||
Size int
|
||||
Format string
|
||||
}
|
||||
|
||||
// Disks is the type for a list of DiskConfig
|
||||
type Disks []DiskConfig
|
||||
type Disks []qemu.Disk
|
||||
|
||||
func (l *Disks) String() string {
|
||||
return fmt.Sprint(*l)
|
||||
@ -204,7 +199,7 @@ func (l *Disks) String() string {
|
||||
|
||||
// Set is used by flag to configure value from CLI
|
||||
func (l *Disks) Set(value string) error {
|
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d := DiskConfig{}
|
||||
d := qemu.Disk{}
|
||||
s := strings.Split(value, ",")
|
||||
for _, p := range s {
|
||||
c := strings.SplitN(p, "=", 2)
|
||||
|
||||
@ -12,9 +12,7 @@ d2vm run qemu [options] [image-path] [flags]
|
||||
--accel string Choose acceleration mode. Use 'tcg' to disable it. (default "hvf:tcg")
|
||||
--arch string Type of architecture to use, e.g. x86_64, aarch64, s390x (default "x86_64")
|
||||
--cpus uint Number of CPUs (default 1)
|
||||
--data string String of metadata to pass to VM
|
||||
--detached Set qemu container to run in the background
|
||||
--device multiple-flag Add USB host device(s). Format driver[,prop=value][,...] -- add device, like --device on the qemu command line. (default A multiple flag is a type of flag that can be repeated any number of times)
|
||||
--disk disk Disk config, may be repeated. [file=]path[,size=1G][,format=qcow2] (default [])
|
||||
--gui Set qemu to use video output instead of stdio
|
||||
-h, --help help for qemu
|
||||
@ -22,7 +20,6 @@ d2vm run qemu [options] [image-path] [flags]
|
||||
--networking string Networking mode. Valid options are 'default', 'user', 'bridge[,name]', tap[,name] and 'none'. 'user' uses QEMUs userspace networking. 'bridge' connects to a preexisting bridge. 'tap' uses a prexisting tap device. 'none' disables networking.` (default "user")
|
||||
--publish multiple-flag Publish a vm's port(s) to the host (default []) (default A multiple flag is a type of flag that can be repeated any number of times)
|
||||
--qemu string Path to the qemu binary (otherwise look in $PATH)
|
||||
--usb Enable USB controller
|
||||
```
|
||||
|
||||
### Options inherited from parent commands
|
||||
|
||||
144
e2e/e2e_test.go
Normal file
144
e2e/e2e_test.go
Normal file
@ -0,0 +1,144 @@
|
||||
// Copyright 2023 Linka Cloud All rights reserved.
|
||||
//
|
||||
// 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 e2e
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"bytes"
|
||||
"context"
|
||||
"io"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"strings"
|
||||
"sync/atomic"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
require2 "github.com/stretchr/testify/require"
|
||||
|
||||
"go.linka.cloud/d2vm"
|
||||
"go.linka.cloud/d2vm/pkg/docker"
|
||||
"go.linka.cloud/d2vm/pkg/qemu"
|
||||
)
|
||||
|
||||
type test struct {
|
||||
name string
|
||||
args []string
|
||||
}
|
||||
|
||||
var images = []string{
|
||||
"alpine:3.17",
|
||||
"ubuntu:20.04",
|
||||
"debian:11",
|
||||
"centos:8",
|
||||
}
|
||||
|
||||
func TestConvert(t *testing.T) {
|
||||
require := require2.New(t)
|
||||
tests := []test{
|
||||
{
|
||||
name: "single-partition",
|
||||
},
|
||||
{
|
||||
name: "split-boot",
|
||||
args: []string{"--split-boot"},
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
// t.Parallel()
|
||||
dir := filepath.Join("/tmp", "d2vm-e2e", tt.name)
|
||||
require.NoError(os.MkdirAll(dir, os.ModePerm))
|
||||
|
||||
defer os.RemoveAll(dir)
|
||||
for _, i := range images {
|
||||
t.Run(i, func(t *testing.T) {
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
defer cancel()
|
||||
|
||||
// t.Parallel()
|
||||
require := require2.New(t)
|
||||
|
||||
out := filepath.Join(dir, strings.NewReplacer(":", "-", ".", "-").Replace(i)+".qcow2")
|
||||
|
||||
if _, err := os.Stat(out); err == nil {
|
||||
require.NoError(os.Remove(out))
|
||||
}
|
||||
|
||||
require.NoError(docker.RunD2VM(ctx, d2vm.Image, d2vm.Version, dir, dir, "convert", append([]string{"-p", "root", "-o", "/out/" + filepath.Base(out), "-v", i}, tt.args...)...))
|
||||
|
||||
inr, inw := io.Pipe()
|
||||
defer inr.Close()
|
||||
outr, outw := io.Pipe()
|
||||
defer outw.Close()
|
||||
var success atomic.Bool
|
||||
go func() {
|
||||
time.AfterFunc(2*time.Minute, cancel)
|
||||
defer inw.Close()
|
||||
defer outr.Close()
|
||||
login := []byte("login:")
|
||||
password := []byte("Password:")
|
||||
s := bufio.NewScanner(outr)
|
||||
s.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
|
||||
if i := bytes.Index(data, login); i >= 0 {
|
||||
return i + len(login), login, nil
|
||||
}
|
||||
if i := bytes.Index(data, password); i >= 0 {
|
||||
return i + len(password), password, nil
|
||||
}
|
||||
if atEOF {
|
||||
return 0, nil, io.EOF
|
||||
}
|
||||
return 0, nil, nil
|
||||
})
|
||||
for s.Scan() {
|
||||
b := s.Bytes()
|
||||
if bytes.Contains(b, login) {
|
||||
t.Logf("vm ready")
|
||||
t.Logf("sending login")
|
||||
if _, err := inw.Write([]byte("root\n")); err != nil {
|
||||
t.Logf("failed to write login: %v", err)
|
||||
cancel()
|
||||
}
|
||||
}
|
||||
if bytes.Contains(b, password) {
|
||||
t.Logf("sending password")
|
||||
if _, err := inw.Write([]byte("root\n")); err != nil {
|
||||
t.Logf("failed to write password: %v", err)
|
||||
cancel()
|
||||
}
|
||||
time.Sleep(time.Second)
|
||||
if _, err := inw.Write([]byte("poweroff\n")); err != nil {
|
||||
t.Logf("failed to write poweroff: %v", err)
|
||||
cancel()
|
||||
}
|
||||
success.Store(true)
|
||||
return
|
||||
}
|
||||
}
|
||||
if err := s.Err(); err != nil {
|
||||
t.Logf("failed to scan output: %v", err)
|
||||
cancel()
|
||||
}
|
||||
}()
|
||||
if err := qemu.Run(ctx, out, qemu.WithStdin(inr), qemu.WithStdout(io.MultiWriter(outw, os.Stdout)), qemu.WithStderr(io.Discard)); err != nil && !success.Load() {
|
||||
t.Fatalf("failed to run qemu: %v", err)
|
||||
}
|
||||
})
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
2
go.mod
2
go.mod
@ -19,6 +19,7 @@ require (
|
||||
go.linka.cloud/console v0.0.0-20220910100646-48f9f2b8843b
|
||||
go.uber.org/multierr v1.8.0
|
||||
golang.org/x/crypto v0.0.0-20210817164053-32db794688a5
|
||||
golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e
|
||||
)
|
||||
|
||||
require (
|
||||
@ -60,7 +61,6 @@ require (
|
||||
go.uber.org/atomic v1.7.0 // indirect
|
||||
golang.org/x/net v0.0.0-20211216030914-fe4d6282115f // indirect
|
||||
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
|
||||
golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e // indirect
|
||||
golang.org/x/text v0.3.7 // indirect
|
||||
google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa // indirect
|
||||
google.golang.org/grpc v1.43.0 // indirect
|
||||
|
||||
28
pkg/docker/check_term_unix.go
Normal file
28
pkg/docker/check_term_unix.go
Normal file
@ -0,0 +1,28 @@
|
||||
//go:build !windows
|
||||
|
||||
// Copyright 2023 Linka Cloud All rights reserved.
|
||||
//
|
||||
// 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 docker
|
||||
|
||||
import (
|
||||
"os"
|
||||
|
||||
"golang.org/x/sys/unix"
|
||||
)
|
||||
|
||||
func isInteractive() bool {
|
||||
_, err := unix.IoctlGetWinsize(int(os.Stdout.Fd()), unix.TIOCGWINSZ)
|
||||
return err == nil
|
||||
}
|
||||
36
pkg/docker/check_term_windows.go
Normal file
36
pkg/docker/check_term_windows.go
Normal file
@ -0,0 +1,36 @@
|
||||
//go:build windows
|
||||
|
||||
// Copyright 2023 Linka Cloud All rights reserved.
|
||||
//
|
||||
// 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 docker
|
||||
|
||||
import (
|
||||
"os"
|
||||
|
||||
"golang.org/x/sys/windows"
|
||||
)
|
||||
|
||||
func isInteractive() bool {
|
||||
handle := windows.Handle(os.Stdout.Fd())
|
||||
var mode uint32
|
||||
if err := windows.GetConsoleMode(handle, &mode); err != nil {
|
||||
return false
|
||||
}
|
||||
mode |= windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING
|
||||
if err := windows.SetConsoleMode(handle, mode); err != nil {
|
||||
return false
|
||||
}
|
||||
return true
|
||||
}
|
||||
@ -130,7 +130,14 @@ func RunD2VM(ctx context.Context, image, version, in, out, cmd string, args ...s
|
||||
if version == "" {
|
||||
version = "latest"
|
||||
}
|
||||
a := []string{
|
||||
a := []string{"run", "--rm"}
|
||||
|
||||
interactive := isInteractive()
|
||||
|
||||
if interactive {
|
||||
a = append(a, "-i", "-t")
|
||||
}
|
||||
a = append(a,
|
||||
"--privileged",
|
||||
"-e",
|
||||
// yes... it is kind of a dirty hack
|
||||
@ -145,6 +152,12 @@ func RunD2VM(ctx context.Context, image, version, in, out, cmd string, args ...s
|
||||
"/d2vm",
|
||||
fmt.Sprintf("%s:%s", image, version),
|
||||
cmd,
|
||||
)
|
||||
c := exec.CommandContext(ctx, "docker", append(a, args...)...)
|
||||
if interactive {
|
||||
c.Stdin = os.Stdin
|
||||
}
|
||||
return RunInteractiveAndRemove(ctx, append(a, args...)...)
|
||||
c.Stdout = os.Stdout
|
||||
c.Stderr = os.Stderr
|
||||
return c.Run()
|
||||
}
|
||||
|
||||
141
pkg/qemu/config.go
Normal file
141
pkg/qemu/config.go
Normal file
@ -0,0 +1,141 @@
|
||||
// Copyright 2023 Linka Cloud All rights reserved.
|
||||
//
|
||||
// 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 qemu
|
||||
|
||||
import (
|
||||
"io"
|
||||
|
||||
"github.com/google/uuid"
|
||||
)
|
||||
|
||||
type Option func(c *config)
|
||||
|
||||
type Disk struct {
|
||||
Path string
|
||||
Size int
|
||||
Format string
|
||||
}
|
||||
|
||||
type PublishedPort struct {
|
||||
Guest uint16
|
||||
Host uint16
|
||||
Protocol string
|
||||
}
|
||||
|
||||
// config contains the config for Qemu
|
||||
type config struct {
|
||||
path string
|
||||
uuid uuid.UUID
|
||||
gui bool
|
||||
disks []Disk
|
||||
networking string
|
||||
arch string
|
||||
cpus uint
|
||||
memory uint
|
||||
accel string
|
||||
detached bool
|
||||
qemuBinPath string
|
||||
qemuImgPath string
|
||||
publishedPorts []PublishedPort
|
||||
netdevConfig string
|
||||
|
||||
stdin io.Reader
|
||||
stdout io.Writer
|
||||
stderr io.Writer
|
||||
}
|
||||
|
||||
func WithGUI() Option {
|
||||
return func(c *config) {
|
||||
c.gui = true
|
||||
}
|
||||
}
|
||||
|
||||
func WithDisks(disks ...Disk) Option {
|
||||
return func(c *config) {
|
||||
c.disks = disks
|
||||
}
|
||||
}
|
||||
|
||||
func WithNetworking(networking string) Option {
|
||||
return func(c *config) {
|
||||
c.networking = networking
|
||||
}
|
||||
}
|
||||
|
||||
func WithArch(arch string) Option {
|
||||
return func(c *config) {
|
||||
c.arch = arch
|
||||
}
|
||||
}
|
||||
|
||||
func WithCPUs(cpus uint) Option {
|
||||
return func(c *config) {
|
||||
c.cpus = cpus
|
||||
}
|
||||
}
|
||||
|
||||
func WithMemory(memory uint) Option {
|
||||
return func(c *config) {
|
||||
c.memory = memory
|
||||
}
|
||||
}
|
||||
|
||||
func WithAccel(accel string) Option {
|
||||
return func(c *config) {
|
||||
c.accel = accel
|
||||
}
|
||||
}
|
||||
|
||||
func WithDetached() Option {
|
||||
return func(c *config) {
|
||||
c.detached = true
|
||||
}
|
||||
}
|
||||
|
||||
func WithQemuBinPath(path string) Option {
|
||||
return func(c *config) {
|
||||
c.qemuBinPath = path
|
||||
}
|
||||
}
|
||||
|
||||
func WithQemuImgPath(path string) Option {
|
||||
return func(c *config) {
|
||||
c.qemuImgPath = path
|
||||
}
|
||||
}
|
||||
|
||||
func WithPublishedPorts(ports ...PublishedPort) Option {
|
||||
return func(c *config) {
|
||||
c.publishedPorts = ports
|
||||
}
|
||||
}
|
||||
|
||||
func WithStdin(r io.Reader) Option {
|
||||
return func(c *config) {
|
||||
c.stdin = r
|
||||
}
|
||||
}
|
||||
|
||||
func WithStdout(w io.Writer) Option {
|
||||
return func(c *config) {
|
||||
c.stdout = w
|
||||
}
|
||||
}
|
||||
|
||||
func WithStderr(w io.Writer) Option {
|
||||
return func(c *config) {
|
||||
c.stderr = w
|
||||
}
|
||||
}
|
||||
363
pkg/qemu/qemu.go
Normal file
363
pkg/qemu/qemu.go
Normal file
@ -0,0 +1,363 @@
|
||||
package qemu
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/rand"
|
||||
"fmt"
|
||||
"net"
|
||||
"os"
|
||||
"os/exec"
|
||||
"runtime"
|
||||
"strconv"
|
||||
"strings"
|
||||
|
||||
"github.com/google/uuid"
|
||||
log "github.com/sirupsen/logrus"
|
||||
)
|
||||
|
||||
const (
|
||||
NetworkingNone = "none"
|
||||
NetworkingUser = "user"
|
||||
NetworkingTap = "tap"
|
||||
NetworkingBridge = "bridge"
|
||||
NetworkingDefault = NetworkingUser
|
||||
)
|
||||
|
||||
var (
|
||||
defaultArch string
|
||||
defaultAccel string
|
||||
)
|
||||
|
||||
func init() {
|
||||
switch runtime.GOARCH {
|
||||
case "arm64":
|
||||
defaultArch = "aarch64"
|
||||
case "amd64":
|
||||
defaultArch = "x86_64"
|
||||
case "s390x":
|
||||
defaultArch = "s390x"
|
||||
}
|
||||
switch {
|
||||
case runtime.GOARCH == "s390x":
|
||||
defaultAccel = "kvm"
|
||||
case haveKVM():
|
||||
defaultAccel = "kvm:tcg"
|
||||
case runtime.GOOS == "darwin":
|
||||
defaultAccel = "hvf:tcg"
|
||||
}
|
||||
}
|
||||
|
||||
func Run(ctx context.Context, path string, opts ...Option) error {
|
||||
config := &config{}
|
||||
|
||||
for _, o := range opts {
|
||||
o(config)
|
||||
}
|
||||
|
||||
config.path = path
|
||||
|
||||
// Generate UUID, so that /sys/class/dmi/id/product_uuid is populated
|
||||
config.uuid = uuid.New()
|
||||
// These envvars override the corresponding command line
|
||||
// options. So this must remain after the `flags.Parse` above.
|
||||
// accel = GetStringValue("LINUXKIT_QEMU_ACCEL", accel, "")
|
||||
|
||||
if config.arch == "" {
|
||||
config.arch = defaultArch
|
||||
}
|
||||
|
||||
if config.accel == "" {
|
||||
config.accel = defaultAccel
|
||||
}
|
||||
|
||||
if _, err := os.Stat(config.path); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if config.cpus == 0 {
|
||||
config.cpus = 1
|
||||
}
|
||||
|
||||
if config.memory == 0 {
|
||||
config.memory = 1024
|
||||
}
|
||||
|
||||
for i, d := range config.disks {
|
||||
id := ""
|
||||
if i != 0 {
|
||||
id = strconv.Itoa(i)
|
||||
}
|
||||
if d.Size != 0 && d.Format == "" {
|
||||
d.Format = "qcow2"
|
||||
}
|
||||
if d.Size != 0 && d.Path == "" {
|
||||
d.Path = "disk" + id + ".img"
|
||||
}
|
||||
if d.Path == "" {
|
||||
return fmt.Errorf("disk specified with no size or name")
|
||||
}
|
||||
config.disks[i] = d
|
||||
}
|
||||
|
||||
config.disks = append([]Disk{{Path: config.path}}, config.disks...)
|
||||
|
||||
if config.networking == "" || config.networking == "default" {
|
||||
dflt := NetworkingDefault
|
||||
config.networking = dflt
|
||||
}
|
||||
netMode := strings.SplitN(config.networking, ",", 2)
|
||||
|
||||
switch netMode[0] {
|
||||
case NetworkingUser:
|
||||
config.netdevConfig = "user,id=t0"
|
||||
case NetworkingTap:
|
||||
if len(netMode) != 2 {
|
||||
return fmt.Errorf("Not enough arguments for %q networking mode", NetworkingTap)
|
||||
}
|
||||
if len(config.publishedPorts) != 0 {
|
||||
return fmt.Errorf("Port publishing requires %q networking mode", NetworkingUser)
|
||||
}
|
||||
config.netdevConfig = fmt.Sprintf("tap,id=t0,ifname=%s,script=no,downscript=no", netMode[1])
|
||||
case NetworkingBridge:
|
||||
if len(netMode) != 2 {
|
||||
return fmt.Errorf("Not enough arguments for %q networking mode", NetworkingBridge)
|
||||
}
|
||||
if len(config.publishedPorts) != 0 {
|
||||
return fmt.Errorf("Port publishing requires %q networking mode", NetworkingUser)
|
||||
}
|
||||
config.netdevConfig = fmt.Sprintf("bridge,id=t0,br=%s", netMode[1])
|
||||
case NetworkingNone:
|
||||
if len(config.publishedPorts) != 0 {
|
||||
return fmt.Errorf("Port publishing requires %q networking mode", NetworkingUser)
|
||||
}
|
||||
config.netdevConfig = ""
|
||||
default:
|
||||
return fmt.Errorf("Invalid networking mode: %s", netMode[0])
|
||||
}
|
||||
|
||||
if err := config.discoverBinaries(); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
return config.runQemuLocal(ctx)
|
||||
}
|
||||
|
||||
func (c *config) runQemuLocal(ctx context.Context) (err error) {
|
||||
var args []string
|
||||
args, err = c.buildQemuCmdline()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
for _, d := range c.disks {
|
||||
// If disk doesn't exist then create one
|
||||
if _, err := os.Stat(d.Path); err != nil {
|
||||
if os.IsNotExist(err) {
|
||||
log.Debugf("Creating new qemu disk [%s] format %s", d.Path, d.Format)
|
||||
qemuImgCmd := exec.Command(c.qemuImgPath, "create", "-f", d.Format, d.Path, fmt.Sprintf("%dM", d.Size))
|
||||
log.Debugf("%v", qemuImgCmd.Args)
|
||||
if err := qemuImgCmd.Run(); err != nil {
|
||||
return fmt.Errorf("Error creating disk [%s] format %s: %s", d.Path, d.Format, err.Error())
|
||||
}
|
||||
} else {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
log.Infof("Using existing disk [%s] format %s", d.Path, d.Format)
|
||||
}
|
||||
}
|
||||
|
||||
// Detached mode is only supported in a container.
|
||||
if c.detached == true {
|
||||
return fmt.Errorf("Detached mode is only supported when running in a container, not locally")
|
||||
}
|
||||
|
||||
qemuCmd := exec.CommandContext(ctx, c.qemuBinPath, args...)
|
||||
// If verbosity is enabled print out the full path/arguments
|
||||
log.Debugf("%v", qemuCmd.Args)
|
||||
|
||||
// If we're not using a separate window then link the execution to stdin/out
|
||||
if c.gui == true {
|
||||
qemuCmd.Stdin = nil
|
||||
qemuCmd.Stdout = nil
|
||||
qemuCmd.Stderr = nil
|
||||
} else {
|
||||
qemuCmd.Stdin = c.stdin
|
||||
qemuCmd.Stdout = c.stdout
|
||||
qemuCmd.Stderr = c.stderr
|
||||
}
|
||||
|
||||
return qemuCmd.Run()
|
||||
}
|
||||
|
||||
func (c *config) buildQemuCmdline() ([]string, error) {
|
||||
// Iterate through the flags and build arguments
|
||||
var qemuArgs []string
|
||||
qemuArgs = append(qemuArgs, "-smp", fmt.Sprintf("%d", c.cpus))
|
||||
qemuArgs = append(qemuArgs, "-m", fmt.Sprintf("%d", c.memory))
|
||||
qemuArgs = append(qemuArgs, "-uuid", c.uuid.String())
|
||||
|
||||
// Need to specify the vcpu type when running qemu on arm64 platform, for security reason,
|
||||
// the vcpu should be "host" instead of other names such as "cortex-a53"...
|
||||
if c.arch == "aarch64" {
|
||||
if runtime.GOARCH == "arm64" {
|
||||
qemuArgs = append(qemuArgs, "-cpu", "host")
|
||||
} else {
|
||||
qemuArgs = append(qemuArgs, "-cpu", "cortex-a57")
|
||||
}
|
||||
}
|
||||
|
||||
// goArch is the GOARCH equivalent of config.Arch
|
||||
var goArch string
|
||||
switch c.arch {
|
||||
case "s390x":
|
||||
goArch = "s390x"
|
||||
case "aarch64":
|
||||
goArch = "arm64"
|
||||
case "x86_64":
|
||||
goArch = "amd64"
|
||||
default:
|
||||
return nil, fmt.Errorf("%s is an unsupported architecture.", c.arch)
|
||||
}
|
||||
|
||||
if goArch != runtime.GOARCH {
|
||||
log.Infof("Disable acceleration as %s != %s", c.arch, runtime.GOARCH)
|
||||
c.accel = ""
|
||||
}
|
||||
|
||||
if c.accel != "" {
|
||||
switch c.arch {
|
||||
case "s390x":
|
||||
qemuArgs = append(qemuArgs, "-machine", fmt.Sprintf("s390-ccw-virtio,accel=%s", c.accel))
|
||||
case "aarch64":
|
||||
gic := ""
|
||||
// VCPU supports less PA bits (36) than requested by the memory map (40)
|
||||
highmem := "highmem=off,"
|
||||
if runtime.GOOS == "linux" {
|
||||
// gic-version=host requires KVM, which implies Linux
|
||||
gic = "gic_version=host,"
|
||||
highmem = ""
|
||||
}
|
||||
qemuArgs = append(qemuArgs, "-machine", fmt.Sprintf("virt,%s%saccel=%s", gic, highmem, c.accel))
|
||||
default:
|
||||
qemuArgs = append(qemuArgs, "-machine", fmt.Sprintf("q35,accel=%s", c.accel))
|
||||
}
|
||||
} else {
|
||||
switch c.arch {
|
||||
case "s390x":
|
||||
qemuArgs = append(qemuArgs, "-machine", "s390-ccw-virtio")
|
||||
case "aarch64":
|
||||
qemuArgs = append(qemuArgs, "-machine", "virt")
|
||||
default:
|
||||
qemuArgs = append(qemuArgs, "-machine", "q35")
|
||||
}
|
||||
}
|
||||
|
||||
// rng-random does not work on macOS
|
||||
// Temporarily disable it until fixed upstream.
|
||||
if runtime.GOOS != "darwin" {
|
||||
rng := "rng-random,id=rng0"
|
||||
if runtime.GOOS == "linux" {
|
||||
rng = rng + ",filename=/dev/urandom"
|
||||
}
|
||||
if c.arch == "s390x" {
|
||||
qemuArgs = append(qemuArgs, "-object", rng, "-device", "virtio-rng-ccw,rng=rng0")
|
||||
} else {
|
||||
qemuArgs = append(qemuArgs, "-object", rng, "-device", "virtio-rng-pci,rng=rng0")
|
||||
}
|
||||
}
|
||||
|
||||
var lastDisk int
|
||||
for i, d := range c.disks {
|
||||
index := i
|
||||
if d.Format != "" {
|
||||
qemuArgs = append(qemuArgs, "-drive", "file="+d.Path+",format="+d.Format+",index="+strconv.Itoa(index)+",media=disk")
|
||||
} else {
|
||||
qemuArgs = append(qemuArgs, "-drive", "file="+d.Path+",index="+strconv.Itoa(index)+",media=disk")
|
||||
}
|
||||
lastDisk = index
|
||||
}
|
||||
|
||||
// Ensure CDROMs start from at least hdc
|
||||
if lastDisk < 2 {
|
||||
lastDisk = 2
|
||||
}
|
||||
|
||||
if c.netdevConfig != "" {
|
||||
mac := generateMAC()
|
||||
if c.arch == "s390x" {
|
||||
qemuArgs = append(qemuArgs, "-device", "virtio-net-ccw,netdev=t0,mac="+mac.String())
|
||||
} else {
|
||||
qemuArgs = append(qemuArgs, "-device", "virtio-net-pci,netdev=t0,mac="+mac.String())
|
||||
}
|
||||
forwardings, err := buildQemuForwardings(c.publishedPorts)
|
||||
if err != nil {
|
||||
log.Error(err)
|
||||
}
|
||||
qemuArgs = append(qemuArgs, "-netdev", c.netdevConfig+forwardings)
|
||||
} else {
|
||||
qemuArgs = append(qemuArgs, "-net", "none")
|
||||
}
|
||||
|
||||
if c.gui != true {
|
||||
qemuArgs = append(qemuArgs, "-nographic")
|
||||
}
|
||||
|
||||
return qemuArgs, nil
|
||||
}
|
||||
|
||||
func (c *config) discoverBinaries() error {
|
||||
if c.qemuImgPath != "" {
|
||||
return nil
|
||||
}
|
||||
|
||||
qemuBinPath := "qemu-system-" + c.arch
|
||||
qemuImgPath := "qemu-img"
|
||||
|
||||
var err error
|
||||
c.qemuBinPath, err = exec.LookPath(qemuBinPath)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Unable to find %s within the $PATH", qemuBinPath)
|
||||
}
|
||||
|
||||
c.qemuImgPath, err = exec.LookPath(qemuImgPath)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Unable to find %s within the $PATH", qemuImgPath)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func buildQemuForwardings(publishedPorts []PublishedPort) (string, error) {
|
||||
if len(publishedPorts) == 0 {
|
||||
return "", nil
|
||||
}
|
||||
var forwardings string
|
||||
for _, p := range publishedPorts {
|
||||
hostPort := p.Host
|
||||
guestPort := p.Guest
|
||||
|
||||
forwardings = fmt.Sprintf("%s,hostfwd=%s::%d-:%d", forwardings, p.Protocol, hostPort, guestPort)
|
||||
}
|
||||
|
||||
return forwardings, nil
|
||||
}
|
||||
|
||||
func haveKVM() bool {
|
||||
_, err := os.Stat("/dev/kvm")
|
||||
return !os.IsNotExist(err)
|
||||
}
|
||||
|
||||
func generateMAC() net.HardwareAddr {
|
||||
mac := make([]byte, 6)
|
||||
n, err := rand.Read(mac)
|
||||
if err != nil {
|
||||
log.WithError(err).Fatal("failed to generate random mac address")
|
||||
}
|
||||
if n != 6 {
|
||||
log.WithError(err).Fatalf("generated %d bytes for random mac address", n)
|
||||
}
|
||||
mac[0] &^= 0x01 // Clear multicast bit
|
||||
mac[0] |= 0x2 // Set locally administered bit
|
||||
return mac
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user