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Merge pull request #18402 from baude/applehvpass1

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MVP for Podman Machine with AppleHV
This commit is contained in:
OpenShift Merge Robot
2023-05-03 10:17:51 -04:00
committed by GitHub
parent f149d49335 dc7515dc32
commit cf29dad400
16 changed files with 1308 additions and 38 deletions
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3
cmd/podman/machine/platform.go
View File

@ -1,5 +1,4 @@
//go:build (amd64 && !windows) || (arm64 && !windows)
// +build amd64,!windows arm64,!windows
//go:build (amd64 && !windows && amd64 && !darwin) || (arm64 && !windows && arm64 && !darwin) || (amd64 && darwin)
package machine

36
cmd/podman/machine/platform_darwin.go Normal file
View File

@ -0,0 +1,36 @@
//go:build darwin && arm64
package machine
import (
"fmt"
"os"
"github.com/containers/common/pkg/config"
"github.com/containers/podman/v4/pkg/machine"
"github.com/containers/podman/v4/pkg/machine/qemu"
"github.com/sirupsen/logrus"
)
func GetSystemProvider() (machine.VirtProvider, error) {
cfg, err := config.Default()
if err != nil {
return nil, err
}
provider := cfg.Machine.Provider
if providerOverride, found := os.LookupEnv("CONTAINERS_MACHINE_PROVIDER"); found {
provider = providerOverride
}
resolvedVMType, err := machine.ParseVMType(provider, machine.QemuVirt)
if err != nil {
return nil, err
}
logrus.Debugf("Using Podman machine with `%s` virtualization provider", resolvedVMType.String())
switch resolvedVMType {
case machine.QemuVirt:
return qemu.GetVirtualizationProvider(), nil
default:
return nil, fmt.Errorf("unsupported virtualization provider: `%s`", resolvedVMType.String())
}
}

1
go.mod
View File

@ -22,6 +22,7 @@ require (
github.com/containers/storage v1.46.1
github.com/coreos/go-systemd/v22 v22.5.0
github.com/coreos/stream-metadata-go v0.4.1
github.com/crc-org/vfkit v0.0.5-0.20230427143911-8117c28876bc
github.com/cyphar/filepath-securejoin v0.2.3
github.com/digitalocean/go-qemu v0.0.0-20210326154740-ac9e0b687001
github.com/docker/docker v23.0.5+incompatible

4
go.sum
View File

@ -285,6 +285,8 @@ github.com/coreos/stream-metadata-go v0.4.1/go.mod h1:Lwjwqf1zwnVa7uy/v/KW28eUkd
github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
github.com/crc-org/vfkit v0.0.5-0.20230427143911-8117c28876bc h1:fhuTRmFWKxI59UGqN/y1Pq9+KRnNrZ5bztFT2rTQTGM=
github.com/crc-org/vfkit v0.0.5-0.20230427143911-8117c28876bc/go.mod h1:sluZ7Q1ZKWwI+PzGwwNy74pplP99gzRqmEWJ246denE=
github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
@ -695,7 +697,7 @@ github.com/marstr/guid v1.1.0/go.mod h1:74gB1z2wpxxInTG6yaqA7KrtM0NZ+RbrcqDvYHef
github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
github.com/mattn/go-isatty v0.0.16 h1:bq3VjFmv/sOjHtdEhmkEV4x1AJtvUvOJ2PFAZ5+peKQ=
github.com/mattn/go-isatty v0.0.17 h1:BTarxUcIeDqL27Mc+vyvdWYSL28zpIhv3RoTdsLMPng=
github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
github.com/mattn/go-runewidth v0.0.14 h1:+xnbZSEeDbOIg5/mE6JF0w6n9duR1l3/WmbinWVwUuU=
github.com/mattn/go-runewidth v0.0.14/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=

159
pkg/machine/applehv/config.go
View File

@ -1,9 +1,21 @@
//go:build arm64 && darwin
// +build arm64,darwin
package applehv
import "github.com/containers/podman/v4/pkg/machine"
import (
"errors"
"io/fs"
"path/filepath"
"time"
"github.com/containers/podman/v4/pkg/machine"
"github.com/docker/go-units"
"golang.org/x/sys/unix"
)
const (
defaultVFKitEndpoint = "http://localhost:8081"
)
type Virtualization struct {
artifact machine.Artifact
@ -11,12 +23,29 @@ type Virtualization struct {
format machine.ImageFormat
}
type MMHardwareConfig struct {
CPUs uint16
DiskPath string
DiskSize uint64
Memory int32
}
func (v Virtualization) Artifact() machine.Artifact {
return machine.None
return machine.Metal
}
func (v Virtualization) CheckExclusiveActiveVM() (bool, string, error) {
return false, "", machine.ErrNotImplemented
fsVms, err := getVMInfos()
if err != nil {
return false, "", err
}
for _, vm := range fsVms {
if vm.Running || vm.Starting {
return true, vm.Name, nil
}
}
return false, "", nil
}
func (v Virtualization) Compression() machine.ImageCompression {
@ -28,25 +57,137 @@ func (v Virtualization) Format() machine.ImageFormat {
}
func (v Virtualization) IsValidVMName(name string) (bool, error) {
return false, machine.ErrNotImplemented
mm := MacMachine{Name: name}
configDir, err := machine.GetConfDir(machine.AppleHvVirt)
if err != nil {
return false, err
}
if err := loadMacMachineFromJSON(configDir, &mm); err != nil {
return false, err
}
return true, nil
}
func (v Virtualization) List(opts machine.ListOptions) ([]*machine.ListResponse, error) {
return nil, machine.ErrNotImplemented
var (
response []*machine.ListResponse
)
mms, err := v.loadFromLocalJson()
if err != nil {
return nil, err
}
for _, mm := range mms {
vmState, err := mm.state()
if err != nil {
if errors.Is(err, unix.ECONNREFUSED) {
vmState = machine.Stopped
} else {
return nil, err
}
}
mlr := machine.ListResponse{
Name: mm.Name,
CreatedAt: mm.Created,
LastUp: mm.LastUp,
Running: vmState == machine.Running,
Starting: vmState == machine.Starting,
Stream: mm.ImageStream,
VMType: machine.AppleHvVirt.String(),
CPUs: mm.CPUs,
Memory: mm.Memory * units.MiB,
DiskSize: mm.DiskSize * units.GiB,
Port: mm.Port,
RemoteUsername: mm.RemoteUsername,
IdentityPath: mm.IdentityPath,
}
response = append(response, &mlr)
}
return response, nil
}
func (v Virtualization) LoadVMByName(name string) (machine.VM, error) {
return nil, machine.ErrNotImplemented
m := MacMachine{Name: name}
return m.loadFromFile()
}
func (v Virtualization) NewMachine(opts machine.InitOptions) (machine.VM, error) {
return nil, machine.ErrNotImplemented
m := MacMachine{Name: opts.Name}
configDir, err := machine.GetConfDir(machine.AppleHvVirt)
if err != nil {
return nil, err
}
configPath, err := machine.NewMachineFile(getVMConfigPath(configDir, opts.Name), nil)
if err != nil {
return nil, err
}
m.ConfigPath = *configPath
ignitionPath, err := machine.NewMachineFile(filepath.Join(configDir, m.Name)+".ign", nil)
if err != nil {
return nil, err
}
m.IgnitionFile = *ignitionPath
// Set creation time
m.Created = time.Now()
m.ResourceConfig = machine.ResourceConfig{
CPUs: opts.CPUS,
DiskSize: opts.DiskSize,
// Diskpath will be needed
Memory: opts.Memory,
}
if err := m.writeConfig(); err != nil {
return nil, err
}
return m.loadFromFile()
}
func (v Virtualization) RemoveAndCleanMachines() error {
// This can be implemented when host networking is completed.
return machine.ErrNotImplemented
}
func (v Virtualization) VMType() string {
func (v Virtualization) VMType() machine.VMType {
return vmtype
}
func (v Virtualization) loadFromLocalJson() ([]*MacMachine, error) {
var (
jsonFiles []string
mms []*MacMachine
)
configDir, err := machine.GetConfDir(v.VMType())
if err != nil {
return nil, err
}
if err := filepath.WalkDir(configDir, func(input string, d fs.DirEntry, e error) error {
if e != nil {
return e
}
if filepath.Ext(d.Name()) == ".json" {
jsonFiles = append(jsonFiles, input)
}
return nil
}); err != nil {
return nil, err
}
for _, jsonFile := range jsonFiles {
mm := MacMachine{}
if err := loadMacMachineFromJSON(jsonFile, &mm); err != nil {
return nil, err
}
if err != nil {
return nil, err
}
mms = append(mms, &mm)
}
return mms, nil
}

622
pkg/machine/applehv/machine.go
View File

@ -1,12 +1,25 @@
//go:build arm64 && darwin
// +build arm64,darwin
package applehv
import (
"encoding/json"
"errors"
"fmt"
"io/fs"
"net/url"
"os"
"os/exec"
"path/filepath"
"strconv"
"strings"
"time"
"github.com/containers/common/pkg/config"
"github.com/containers/podman/v4/pkg/machine"
"github.com/containers/storage/pkg/homedir"
"github.com/docker/go-units"
"github.com/sirupsen/logrus"
)
var (
@ -18,28 +31,599 @@ func GetVirtualizationProvider() machine.VirtProvider {
return &Virtualization{
artifact: machine.None,
compression: machine.Xz,
format: machine.Qcow,
format: machine.Raw,
}
}
const (
// Some of this will need to change when we are closer to having
// working code.
VolumeTypeVirtfs = "virtfs"
MountType9p = "9p"
dockerSock = "/var/run/docker.sock"
dockerConnectTimeout = 5 * time.Second
apiUpTimeout = 20 * time.Second
)
// VfkitHelper describes the use of vfkit: cmdline and endpoint
type VfkitHelper struct {
Bootloader string
Devices []string
LogLevel logrus.Level
PathToVfkitBinary string
Endpoint string
}
type apiForwardingState int
type MacMachine struct {
// ConfigPath is the fully qualified path to the configuration file
ConfigPath machine.VMFile
// HostUser contains info about host user
machine.HostUser
// ImageConfig describes the bootable image
machine.ImageConfig
// Mounts is the list of remote filesystems to mount
Mounts []machine.Mount
// Name of VM
Name string
// TODO We will need something like this for applehv but until host networking
// is worked out, we cannot be sure what it looks like.
/*
// NetworkVSock is for the user networking
NetworkHVSock machine.HVSockRegistryEntry
// ReadySocket tells host when vm is booted
ReadyHVSock HVSockRegistryEntry
// ResourceConfig is physical attrs of the VM
*/
machine.ResourceConfig
// SSHConfig for accessing the remote vm
machine.SSHConfig
// Starting tells us whether the machine is running or if we have just dialed it to start it
Starting bool
// Created contains the original created time instead of querying the file mod time
Created time.Time
// LastUp contains the last recorded uptime
LastUp time.Time
// The VFKit endpoint where we can interact with the VM
VfkitHelper
}
const (
noForwarding apiForwardingState = iota
claimUnsupported
notInstalled
machineLocal
dockerGlobal
)
func (m *MacMachine) Init(opts machine.InitOptions) (bool, error) {
var (
key string
)
dataDir, err := machine.GetDataDir(machine.AppleHvVirt)
if err != nil {
return false, err
}
// Acquire the image
switch opts.ImagePath {
case machine.Testing.String(), machine.Next.String(), machine.Stable.String(), "":
g, err := machine.NewGenericDownloader(machine.HyperVVirt, opts.Name, opts.ImagePath)
if err != nil {
return false, err
}
imagePath, err := machine.NewMachineFile(g.Get().GetLocalUncompressedFile(dataDir), nil)
if err != nil {
return false, err
}
m.ImagePath = *imagePath
default:
// The user has provided an alternate image which can be a file path
// or URL.
m.ImageStream = "custom"
g, err := machine.NewGenericDownloader(vmtype, m.Name, opts.ImagePath)
if err != nil {
return false, err
}
imagePath, err := machine.NewMachineFile(g.Get().LocalUncompressedFile, nil)
if err != nil {
return false, err
}
m.ImagePath = *imagePath
if err := machine.DownloadImage(g); err != nil {
return false, err
}
}
// Store VFKit stuffs
vfhelper, err := newVfkitHelper(m.Name, defaultVFKitEndpoint, m.ImagePath.GetPath())
if err != nil {
return false, err
}
m.VfkitHelper = *vfhelper
sshDir := filepath.Join(homedir.Get(), ".ssh")
m.IdentityPath = filepath.Join(sshDir, m.Name)
m.Rootful = opts.Rootful
m.RemoteUsername = opts.Username
m.UID = os.Getuid()
// TODO A final decision on networking implementation will need to be made
// prior to this working
//sshPort, err := utils.GetRandomPort()
//if err != nil {
// return false, err
//}
m.Port = 22
if len(opts.IgnitionPath) < 1 {
// TODO localhost needs to be restored here
uri := machine.SSHRemoteConnection.MakeSSHURL("192.168.64.2", fmt.Sprintf("/run/user/%d/podman/podman.sock", m.UID), strconv.Itoa(m.Port), m.RemoteUsername)
uriRoot := machine.SSHRemoteConnection.MakeSSHURL("localhost", "/run/podman/podman.sock", strconv.Itoa(m.Port), "root")
identity := filepath.Join(sshDir, m.Name)
uris := []url.URL{uri, uriRoot}
names := []string{m.Name, m.Name + "-root"}
// The first connection defined when connections is empty will become the default
// regardless of IsDefault, so order according to rootful
if opts.Rootful {
uris[0], names[0], uris[1], names[1] = uris[1], names[1], uris[0], names[0]
}
for i := 0; i < 2; i++ {
if err := machine.AddConnection(&uris[i], names[i], identity, opts.IsDefault && i == 0); err != nil {
return false, err
}
}
} else {
fmt.Println("An ignition path was provided. No SSH connection was added to Podman")
}
// TODO resize disk
if err := m.writeConfig(); err != nil {
return false, err
}
if len(opts.IgnitionPath) < 1 {
var err error
key, err = machine.CreateSSHKeys(m.IdentityPath)
if err != nil {
return false, err
}
}
if len(opts.IgnitionPath) > 0 {
inputIgnition, err := os.ReadFile(opts.IgnitionPath)
if err != nil {
return false, err
}
return false, os.WriteFile(m.IgnitionFile.GetPath(), inputIgnition, 0644)
}
// TODO Ignition stuff goes here
// Write the ignition file
ign := machine.DynamicIgnition{
Name: opts.Username,
Key: key,
VMName: m.Name,
VMType: machine.AppleHvVirt,
TimeZone: opts.TimeZone,
WritePath: m.IgnitionFile.GetPath(),
UID: m.UID,
}
if err := ign.GenerateIgnitionConfig(); err != nil {
return false, err
}
if err := ign.Write(); err != nil {
return false, err
}
return true, nil
}
func (m *MacMachine) Inspect() (*machine.InspectInfo, error) {
vmState, err := m.state()
if err != nil {
return nil, err
}
ii := machine.InspectInfo{
ConfigPath: m.ConfigPath,
ConnectionInfo: machine.ConnectionConfig{
PodmanSocket: nil,
PodmanPipe: nil,
},
Created: m.Created,
Image: machine.ImageConfig{
IgnitionFile: m.IgnitionFile,
ImageStream: m.ImageStream,
ImagePath: m.ImagePath,
},
LastUp: m.LastUp,
Name: m.Name,
Resources: machine.ResourceConfig{
CPUs: m.CPUs,
DiskSize: m.DiskSize,
Memory: m.Memory,
},
SSHConfig: m.SSHConfig,
State: vmState,
}
return &ii, nil
}
func (m *MacMachine) Remove(name string, opts machine.RemoveOptions) (string, func() error, error) {
var (
files []string
)
vmState, err := m.state()
if err != nil {
return "", nil, err
}
if vmState == machine.Running {
if !opts.Force {
return "", nil, fmt.Errorf("invalid state: %s is running", m.Name)
}
if err := m.stop(true, true); err != nil {
return "", nil, err
}
}
if !opts.SaveKeys {
files = append(files, m.IdentityPath, m.IdentityPath+".pub")
}
if !opts.SaveIgnition {
files = append(files, m.IgnitionFile.GetPath())
}
if !opts.SaveImage {
files = append(files, m.ImagePath.GetPath())
}
files = append(files, m.ConfigPath.GetPath())
confirmationMessage := "\nThe following files will be deleted:\n\n"
for _, msg := range files {
confirmationMessage += msg + "\n"
}
confirmationMessage += "\n"
return confirmationMessage, func() error {
for _, f := range files {
if err := os.Remove(f); err != nil && !errors.Is(err, os.ErrNotExist) {
logrus.Error(err)
}
}
if err := machine.RemoveConnection(m.Name); err != nil {
logrus.Error(err)
}
if err := machine.RemoveConnection(m.Name + "-root"); err != nil {
logrus.Error(err)
}
// TODO We will need something like this for applehv too i think
/*
// Remove the HVSOCK for networking
if err := m.NetworkHVSock.Remove(); err != nil {
logrus.Errorf("unable to remove registry entry for %s: %q", m.NetworkHVSock.KeyName, err)
}
// Remove the HVSOCK for events
if err := m.ReadyHVSock.Remove(); err != nil {
logrus.Errorf("unable to remove registry entry for %s: %q", m.NetworkHVSock.KeyName, err)
}
*/
return nil
}, nil
}
func (m *MacMachine) writeConfig() error {
b, err := json.MarshalIndent(m, "", " ")
if err != nil {
return err
}
return os.WriteFile(m.ConfigPath.Path, b, 0644)
}
func (m *MacMachine) Set(name string, opts machine.SetOptions) ([]error, error) {
var setErrors []error
vmState, err := m.State(false)
if err != nil {
return nil, err
}
if vmState != machine.Stopped {
return nil, machine.ErrWrongState
}
if cpus := opts.CPUs; cpus != nil {
m.CPUs = *cpus
}
if mem := opts.Memory; mem != nil {
m.Memory = *mem
}
if newSize := opts.DiskSize; newSize != nil {
if *newSize < m.DiskSize {
setErrors = append(setErrors, errors.New("new disk size smaller than existing disk size: cannot shrink disk size"))
} else {
m.DiskSize = *newSize
}
}
// Write the machine config to the filesystem
err = m.writeConfig()
setErrors = append(setErrors, err)
switch len(setErrors) {
case 0:
return setErrors, nil
case 1:
return nil, setErrors[0]
default:
// Number of errors is 2 or more
lastErr := setErrors[len(setErrors)-1]
return setErrors[:len(setErrors)-1], lastErr
}
}
func (m *MacMachine) SSH(name string, opts machine.SSHOptions) error {
st, err := m.State(false)
if err != nil {
return err
}
if st != machine.Running {
return fmt.Errorf("vm %q is not running", m.Name)
}
username := opts.Username
if username == "" {
username = m.RemoteUsername
}
// TODO when host networking is figured out, we need to switch this back to
// machine.commonssh
return AppleHVSSH(username, m.IdentityPath, m.Name, m.Port, opts.Args)
}
func (m *MacMachine) Start(name string, opts machine.StartOptions) error {
st, err := m.State(false)
if err != nil {
return err
}
if st == machine.Running {
return machine.ErrVMAlreadyRunning
}
// TODO Once we decide how to do networking, we can enable the following lines
// for API forwarding, etc
//_, _, err = m.startHostNetworking()
//if err != nil {
// return err
//}
// To start the VM, we need to call vfkit
// TODO need to hold the start command until fcos tells us it is started
return m.VfkitHelper.startVfkit(m)
}
func (m *MacMachine) State(_ bool) (machine.Status, error) {
vmStatus, err := m.VfkitHelper.state()
if err != nil {
return "", err
}
return vmStatus, nil
}
func (m *MacMachine) Stop(name string, opts machine.StopOptions) error {
vmState, err := m.State(false)
if err != nil {
return err
}
if vmState != machine.Running {
return machine.ErrWrongState
}
return m.VfkitHelper.stop(false, true)
}
// getVMConfigPath is a simple wrapper for getting the fully-qualified
// path of the vm json config file. It should be used to get conformity
func getVMConfigPath(configDir, vmName string) string {
return filepath.Join(configDir, fmt.Sprintf("%s.json", vmName))
}
func (m *MacMachine) loadFromFile() (*MacMachine, error) {
if len(m.Name) < 1 {
return nil, errors.New("encountered machine with no name")
}
jsonPath, err := m.jsonConfigPath()
if err != nil {
return nil, err
}
mm := MacMachine{}
if err := loadMacMachineFromJSON(jsonPath, &mm); err != nil {
return nil, err
}
return &mm, nil
}
func loadMacMachineFromJSON(fqConfigPath string, macMachine *MacMachine) error {
b, err := os.ReadFile(fqConfigPath)
if err != nil {
if errors.Is(err, fs.ErrNotExist) {
return fmt.Errorf("%q: %w", fqConfigPath, machine.ErrNoSuchVM)
}
return err
}
return json.Unmarshal(b, macMachine)
}
func (m *MacMachine) jsonConfigPath() (string, error) {
configDir, err := machine.GetConfDir(machine.AppleHvVirt)
if err != nil {
return "", err
}
return getVMConfigPath(configDir, m.Name), nil
}
func getVMInfos() ([]*machine.ListResponse, error) {
vmConfigDir, err := machine.GetConfDir(vmtype)
if err != nil {
return nil, err
}
var listed []*machine.ListResponse
if err = filepath.WalkDir(vmConfigDir, func(path string, d fs.DirEntry, err error) error {
vm := new(MacMachine)
if strings.HasSuffix(d.Name(), ".json") {
fullPath := filepath.Join(vmConfigDir, d.Name())
b, err := os.ReadFile(fullPath)
if err != nil {
return err
}
err = json.Unmarshal(b, vm)
if err != nil {
return err
}
listEntry := new(machine.ListResponse)
listEntry.Name = vm.Name
listEntry.Stream = vm.ImageStream
listEntry.VMType = machine.AppleHvVirt.String()
listEntry.CPUs = vm.CPUs
listEntry.Memory = vm.Memory * units.MiB
listEntry.DiskSize = vm.DiskSize * units.GiB
listEntry.Port = vm.Port
listEntry.RemoteUsername = vm.RemoteUsername
listEntry.IdentityPath = vm.IdentityPath
listEntry.CreatedAt = vm.Created
listEntry.Starting = vm.Starting
if listEntry.CreatedAt.IsZero() {
listEntry.CreatedAt = time.Now()
vm.Created = time.Now()
if err := vm.writeConfig(); err != nil {
return err
}
}
vmState, err := vm.State(false)
if err != nil {
return err
}
listEntry.Running = vmState == machine.Running
if !vm.LastUp.IsZero() { // this means we have already written a time to the config
listEntry.LastUp = vm.LastUp
} else { // else we just created the machine AKA last up = created time
listEntry.LastUp = vm.Created
vm.LastUp = listEntry.LastUp
if err := vm.writeConfig(); err != nil {
return err
}
}
listed = append(listed, listEntry)
}
return nil
}); err != nil {
return nil, err
}
return listed, err
}
func (m *MacMachine) startHostNetworking() (string, machine.APIForwardingState, error) {
var (
forwardSock string
state machine.APIForwardingState
)
cfg, err := config.Default()
if err != nil {
return "", machine.NoForwarding, err
}
attr := new(os.ProcAttr)
dnr, err := os.OpenFile(os.DevNull, os.O_RDONLY, 0755)
if err != nil {
return "", machine.NoForwarding, err
}
dnw, err := os.OpenFile(os.DevNull, os.O_WRONLY, 0755)
if err != nil {
return "", machine.NoForwarding, err
}
defer func() {
if err := dnr.Close(); err != nil {
logrus.Error(err)
}
}()
defer func() {
if err := dnw.Close(); err != nil {
logrus.Error(err)
}
}()
gvproxy, err := cfg.FindHelperBinary("gvproxy", false)
if err != nil {
return "", 0, err
}
attr.Files = []*os.File{dnr, dnw, dnw}
cmd := []string{gvproxy}
// Add the ssh port
cmd = append(cmd, []string{"-ssh-port", fmt.Sprintf("%d", m.Port)}...)
// TODO Fix when host networking is setup
//cmd = append(cmd, []string{"-listen", fmt.Sprintf("vsock://%s", m.NetworkHVSock.KeyName)}...)
cmd, forwardSock, state = m.setupAPIForwarding(cmd)
if logrus.GetLevel() == logrus.DebugLevel {
cmd = append(cmd, "--debug")
fmt.Println(cmd)
}
_, err = os.StartProcess(cmd[0], cmd, attr)
if err != nil {
return "", 0, fmt.Errorf("unable to execute: %q: %w", cmd, err)
}
return forwardSock, state, nil
}
// AppleHVSSH is a temporary function for applehv until we decide how the networking will work
// for certain.
func AppleHVSSH(username, identityPath, name string, sshPort int, inputArgs []string) error {
sshDestination := username + "@192.168.64.2"
port := strconv.Itoa(sshPort)
args := []string{"-i", identityPath, "-p", port, sshDestination,
"-o", "StrictHostKeyChecking=no", "-o", "LogLevel=ERROR", "-o", "SetEnv=LC_ALL="}
if len(inputArgs) > 0 {
args = append(args, inputArgs...)
} else {
fmt.Printf("Connecting to vm %s. To close connection, use `~.` or `exit`\n", name)
}
cmd := exec.Command("ssh", args...)
logrus.Debugf("Executing: ssh %v\n", args)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Stdin = os.Stdin
return cmd.Run()
}
func (m *MacMachine) setupAPIForwarding(cmd []string) ([]string, string, machine.APIForwardingState) {
socket, err := m.forwardSocketPath()
if err != nil {
return cmd, "", machine.NoForwarding
}
destSock := fmt.Sprintf("/run/user/%d/podman/podman.sock", m.UID)
forwardUser := "core"
if m.Rootful {
destSock = "/run/podman/podman.sock"
forwardUser = "root"
}
cmd = append(cmd, []string{"-forward-sock", socket.GetPath()}...)
cmd = append(cmd, []string{"-forward-dest", destSock}...)
cmd = append(cmd, []string{"-forward-user", forwardUser}...)
cmd = append(cmd, []string{"-forward-identity", m.IdentityPath}...)
return cmd, "", machine.MachineLocal
}
func (m *MacMachine) dockerSock() (string, error) {
dd, err := machine.GetDataDir(machine.AppleHvVirt)
if err != nil {
return "", err
}
return filepath.Join(dd, "podman.sock"), nil
}
func (m *MacMachine) forwardSocketPath() (*machine.VMFile, error) {
sockName := "podman.sock"
path, err := machine.GetDataDir(machine.AppleHvVirt)
if err != nil {
return nil, fmt.Errorf("Resolving data dir: %s", err.Error())
}
return machine.NewMachineFile(filepath.Join(path, sockName), &sockName)
}

116
pkg/machine/applehv/rest.go Normal file
View File

@ -0,0 +1,116 @@
//go:build arm64 && darwin
package applehv
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"time"
"github.com/containers/podman/v4/pkg/machine"
"github.com/crc-org/vfkit/pkg/rest/define"
"github.com/sirupsen/logrus"
"golang.org/x/sys/unix"
)
type Endpoint string
const (
inspect = "/vm/inspect"
state = "/vm/state"
version = "/version"
)
func (vf *VfkitHelper) get(endpoint string, payload io.Reader) (*http.Response, error) {
client := &http.Client{}
req, err := http.NewRequest(http.MethodGet, endpoint, payload)
if err != nil {
return nil, err
}
return client.Do(req)
}
func (vf *VfkitHelper) post(endpoint string, payload io.Reader) (*http.Response, error) {
client := &http.Client{}
req, err := http.NewRequest(http.MethodPost, endpoint, payload)
if err != nil {
return nil, err
}
return client.Do(req)
}
// getRawState asks vfkit for virtual machine state unmodified (see state())
func (vf *VfkitHelper) getRawState() (machine.Status, error) {
var response define.VMState
endPoint := vf.Endpoint + state
serverResponse, err := vf.get(endPoint, nil)
if err != nil {
if errors.Is(err, unix.ECONNREFUSED) {
logrus.Debugf("connection refused: %s", endPoint)
}
return "", err
}
err = json.NewDecoder(serverResponse.Body).Decode(&response)
if err != nil {
return "", err
}
return ToMachineStatus(response.State)
}
// state asks vfkit for the virtual machine state. in case the vfkit
// service is not responding, we assume the service is not running
// and return a stopped status
func (vf *VfkitHelper) state() (machine.Status, error) {
vmState, err := vf.getRawState()
if err == nil {
return vmState, err
}
if errors.Is(err, unix.ECONNREFUSED) {
return machine.Stopped, nil
}
return "", err
}
func (vf *VfkitHelper) stateChange(newState define.StateChange) error {
b, err := json.Marshal(define.VMState{State: string(newState)})
if err != nil {
return err
}
payload := bytes.NewReader(b)
_, err = vf.post(vf.Endpoint+state, payload)
return err
}
func (vf *VfkitHelper) stop(force, wait bool) error {
waitDuration := time.Millisecond * 10
// TODO Add ability to wait until stopped
if force {
if err := vf.stateChange(define.HardStop); err != nil {
return err
}
}
if err := vf.stateChange(define.Stop); err != nil {
return err
}
if !wait {
return nil
}
waitErr := fmt.Errorf("failed waiting for vm to stop")
// Backoff to wait on the machine shutdown
for i := 0; i < 11; i++ {
_, err := vf.getRawState()
if err != nil || errors.Is(err, unix.ECONNREFUSED) {
waitErr = nil
break
}
waitDuration = waitDuration * 2
logrus.Debugf("backoff wait time: %s", waitDuration.String())
time.Sleep(waitDuration)
}
return waitErr
}

40
pkg/machine/applehv/rest_config.go Normal file
View File

@ -0,0 +1,40 @@
//go:build arm64 && darwin
package applehv
import (
"errors"
"fmt"
"github.com/containers/podman/v4/pkg/machine"
)
// VZMachineState is what the restful service in vfkit will return
type VZMachineState string
const (
// Values that the machine can be in
// "VirtualMachineStateStoppedVirtualMachineStateRunningVirtualMachineStatePausedVirtualMachineStateErrorVirtualMachineStateStartingVirtualMachineStatePausingVirtualMachineStateResumingVirtualMachineStateStopping"
VZMachineStateStopped VZMachineState = "VirtualMachineStateStopped"
VZMachineStateRunning VZMachineState = "VirtualMachineStateRunning"
VZMachineStatePaused VZMachineState = "VirtualMachineStatePaused"
VZMachineStateError VZMachineState = "VirtualMachineStateError"
VZMachineStateStarting VZMachineState = "VirtualMachineStateStarting"
VZMachineStatePausing VZMachineState = "VirtualMachineStatePausing"
VZMachineStateResuming VZMachineState = "VirtualMachineStateResuming"
VZMachineStateStopping VZMachineState = "VirtualMachineStateStopping"
)
func ToMachineStatus(val string) (machine.Status, error) {
switch val {
case string(VZMachineStateRunning), string(VZMachineStatePausing), string(VZMachineStateResuming), string(VZMachineStateStopping), string(VZMachineStatePaused):
return machine.Running, nil
case string(VZMachineStateStopped):
return machine.Stopped, nil
case string(VZMachineStateStarting):
return machine.Starting, nil
case string(VZMachineStateError):
return "", errors.New("machine is in error state")
}
return "", fmt.Errorf("unknown machine state: %s", val)
}

119
pkg/machine/applehv/vfkit.go Normal file
View File

@ -0,0 +1,119 @@
//go:build arm64 && darwin
package applehv
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"strconv"
"strings"
"github.com/containers/common/pkg/config"
"github.com/containers/podman/v4/pkg/machine"
"github.com/sirupsen/logrus"
)
// getDefaultDevices is a constructor for vfkit devices
func getDefaultDevices(imagePath, logPath string) []string {
defaultDevices := []string{
"virtio-rng",
"virtio-net,nat,mac=72:20:43:d4:38:62",
fmt.Sprintf("virtio-blk,path=%s", imagePath),
fmt.Sprintf("virtio-serial,logFilePath=%s", logPath),
}
return defaultDevices
}
func newVfkitHelper(name, endpoint, imagePath string) (*VfkitHelper, error) {
dataDir, err := machine.GetDataDir(machine.AppleHvVirt)
if err != nil {
return nil, err
}
logPath := filepath.Join(dataDir, fmt.Sprintf("%s.log", name))
logLevel := logrus.GetLevel()
cfg, err := config.Default()
if err != nil {
return nil, err
}
vfkitPath, err := cfg.FindHelperBinary("vfkit", false)
if err != nil {
return nil, err
}
return &VfkitHelper{
Bootloader: fmt.Sprintf("efi,variable-store=%s/%s-efi-store,create", dataDir, name),
Devices: getDefaultDevices(imagePath, logPath),
LogLevel: logLevel,
PathToVfkitBinary: vfkitPath,
Endpoint: endpoint,
}, nil
}
// toCmdLine creates the command line for calling vfkit. the vfkit binary is
// NOT part of the cmdline
func (vf *VfkitHelper) toCmdLine(cpus, memory string) []string {
endpoint := vf.Endpoint
if strings.HasPrefix(endpoint, "http") {
endpoint = strings.Replace(endpoint, "http", "tcp", 1)
}
cmd := []string{
vf.PathToVfkitBinary,
"--cpus", cpus,
"--memory", memory,
"--bootloader", vf.Bootloader,
"--restful-uri", endpoint,
// this is on for development but can probably be disabled later, or
// we can leave it as optional.
//"--log-level", "debug",
}
for _, d := range vf.Devices {
cmd = append(cmd, "--device", d)
}
return cmd
}
func (vf *VfkitHelper) startVfkit(m *MacMachine) error {
dnr, err := os.OpenFile(os.DevNull, os.O_RDONLY, 0755)
if err != nil {
return err
}
dnw, err := os.OpenFile(os.DevNull, os.O_WRONLY, 0755)
if err != nil {
return err
}
defer func() {
if err := dnr.Close(); err != nil {
logrus.Error(err)
}
}()
defer func() {
if err := dnw.Close(); err != nil {
logrus.Error(err)
}
}()
attr := new(os.ProcAttr)
attr.Files = []*os.File{dnr, dnw}
cmdLine := vf.toCmdLine(
strconv.Itoa(int(m.ResourceConfig.CPUs)),
strconv.Itoa(int(m.ResourceConfig.Memory)),
)
logrus.Debugf("vfkit cmd: %v", cmdLine)
//stderrBuf := &bytes.Buffer{}
cmd := &exec.Cmd{
Args: cmdLine,
Path: vf.PathToVfkitBinary,
Stdin: dnr,
Stdout: dnw,
// this makes no sense to me ... this only works if I pipe stdout to stderr
Stderr: os.Stdout,
}
if err := cmd.Start(); err != nil {
return err
}
defer cmd.Process.Release() //nolint:errcheck
return nil
}

5
pkg/machine/config.go
View File

@ -66,11 +66,6 @@ type RemoteConnectionType string
var (
SSHRemoteConnection RemoteConnectionType = "ssh"
DefaultIgnitionUserName = "core"
ErrNoSuchVM = errors.New("VM does not exist")
ErrVMAlreadyExists = errors.New("VM already exists")
ErrVMAlreadyRunning = errors.New("VM already running or starting")
ErrMultipleActiveVM = errors.New("only one VM can be active at a time")
ErrNotImplemented = errors.New("functionality not implemented")
ForwarderBinaryName = "gvproxy"
)

12
pkg/machine/errors.go Normal file
View File

@ -0,0 +1,12 @@
package machine
import "errors"
var (
ErrNoSuchVM = errors.New("VM does not exist")
ErrWrongState = errors.New("VM in wrong state to perform action")
ErrVMAlreadyExists = errors.New("VM already exists")
ErrVMAlreadyRunning = errors.New("VM already running or starting")
ErrMultipleActiveVM = errors.New("only one VM can be active at a time")
ErrNotImplemented = errors.New("functionality not implemented")
)

9
pkg/machine/fcos.go
View File

@ -40,11 +40,13 @@ const (
Qemu Artifact = iota
HyperV
Metal
None
Qcow ImageFormat = iota
Vhdx
Tar
Raw
)
//
@ -56,8 +58,11 @@ const (
//
func (a Artifact) String() string {
if a == HyperV {
switch a {
case HyperV:
return "hyperv"
case Metal:
return "metal"
}
return "qemu"
}
@ -68,6 +73,8 @@ func (imf ImageFormat) String() string {
return "vhdx.zip"
case Tar:
return "tar.xz"
case Raw:
return "raw.xz"
}
return "qcow2.xz"
}

2
pkg/machine/hyperv/machine.go
View File

@ -341,7 +341,7 @@ func (m *HyperVMachine) Remove(_ string, opts machine.RemoveOptions) (string, fu
}
if !opts.SaveImage {
diskPath := m.ImagePath.GetPath()
diskPath = m.ImagePath.GetPath()
files = append(files, diskPath)
}

191
vendor/github.com/crc-org/vfkit/LICENSE generated vendored Normal file
View File

@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
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within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
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that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
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the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
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risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2021, 2022 Red Hat, Inc.
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.

24
vendor/github.com/crc-org/vfkit/pkg/rest/define/config.go generated vendored Normal file
View File

@ -0,0 +1,24 @@
package define
// InspectResponse is used when responding to a request for
// information about the virtual machine
type InspectResponse struct {
CPUs uint `json:"cpus"`
Memory uint64 `json:"memory"`
// Devices []config.VirtioDevice `json:"devices"`
}
// VMState can be used to describe the current state of a VM
// as well as used to request a state change
type VMState struct {
State string `json:"state"`
}
type StateChange string
const (
Resume StateChange = "Resume"
Pause StateChange = "Pause"
Stop StateChange = "Stop"
HardStop StateChange = "HardStop"
)

3
vendor/modules.txt vendored
View File

@ -356,6 +356,9 @@ github.com/coreos/stream-metadata-go/release
github.com/coreos/stream-metadata-go/release/rhcos
github.com/coreos/stream-metadata-go/stream
github.com/coreos/stream-metadata-go/stream/rhcos
# github.com/crc-org/vfkit v0.0.5-0.20230427143911-8117c28876bc
## explicit; go 1.17
github.com/crc-org/vfkit/pkg/rest/define
# github.com/cyberphone/json-canonicalization v0.0.0-20220623050100-57a0ce2678a7
## explicit
github.com/cyberphone/json-canonicalization/go/src/webpki.org/jsoncanonicalizer