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authorJason T. Greene <jason.greene@redhat.com>2022-04-30 20:21:51 -0500
committerJason T. Greene <jason.greene@redhat.com>2022-05-01 16:39:54 -0500
commit5b78f9576c277ab3114caaeebf0a6327cddc7e50 (patch)
treec05f919f681a1532a1ed2d5cabfe59be7bb72caf /pkg/machine
parent80315b9c8615a9d5f4dada79b99c479ec1414304 (diff)
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Implement machine inspect for WSL
Signed-off-by: Jason T. Greene <jason.greene@redhat.com>
Diffstat (limited to 'pkg/machine')
-rw-r--r--pkg/machine/wsl/machine.go197
1 files changed, 124 insertions, 73 deletions
diff --git a/pkg/machine/wsl/machine.go b/pkg/machine/wsl/machine.go
index addcb7c8a..bc2ac7864 100644
--- a/pkg/machine/wsl/machine.go
+++ b/pkg/machine/wsl/machine.go
@@ -18,7 +18,6 @@ import (
"strings"
"time"
- "github.com/containers/podman/v4/libpod/define"
"github.com/containers/podman/v4/pkg/machine"
"github.com/containers/podman/v4/utils"
"github.com/containers/storage/pkg/homedir"
@@ -153,20 +152,22 @@ const (
type Provider struct{}
type MachineVM struct {
- // IdentityPath is the fq path to the ssh priv key
- IdentityPath string
+ // ConfigPath is the path to the configuration file
+ ConfigPath string
+ // Created contains the original created time instead of querying the file mod time
+ Created time.Time
// ImageStream is the version of fcos being used
ImageStream string
// ImagePath is the fq path to
ImagePath string
+ // LastUp contains the last recorded uptime
+ LastUp time.Time
// Name of the vm
Name string
- // SSH port for user networking
- Port int
- // RemoteUsername of the vm user
- RemoteUsername string
// Whether this machine should run in a rootful or rootless manner
Rootful bool
+ // SSH identity, username, etc
+ machine.SSHConfig
}
type ExitCodeError struct {
@@ -181,16 +182,22 @@ func GetWSLProvider() machine.Provider {
return wslProvider
}
-// NewMachine initializes an instance of a virtual machine based on the qemu
-// virtualization.
+// NewMachine initializes an instance of a wsl machine
func (p *Provider) NewMachine(opts machine.InitOptions) (machine.VM, error) {
vm := new(MachineVM)
if len(opts.Name) > 0 {
vm.Name = opts.Name
}
+ configPath, err := getConfigPath(opts.Name)
+ if err != nil {
+ return vm, err
+ }
+ vm.ConfigPath = configPath
vm.ImagePath = opts.ImagePath
vm.RemoteUsername = opts.Username
+ vm.Created = time.Now()
+ vm.LastUp = vm.Created
// Add a random port for ssh
port, err := utils.GetRandomPort()
@@ -202,25 +209,69 @@ func (p *Provider) NewMachine(opts machine.InitOptions) (machine.VM, error) {
return vm, nil
}
+func getConfigPath(name string) (string, error) {
+ vmConfigDir, err := machine.GetConfDir(vmtype)
+ if err != nil {
+ return "", err
+ }
+ return filepath.Join(vmConfigDir, name+".json"), nil
+}
+
// LoadByName reads a json file that describes a known qemu vm
// and returns a vm instance
func (p *Provider) LoadVMByName(name string) (machine.VM, error) {
- vm := new(MachineVM)
- vmConfigDir, err := machine.GetConfDir(vmtype)
+ configPath, err := getConfigPath(name)
if err != nil {
return nil, err
}
- b, err := ioutil.ReadFile(filepath.Join(vmConfigDir, name+".json"))
- if os.IsNotExist(err) {
- return nil, errors.Wrap(machine.ErrNoSuchVM, name)
- }
+
+ vm, err := readAndMigrate(configPath, name)
+ return vm, err
+}
+
+// readAndMigrate returns the content of the VM's
+// configuration file in json
+func readAndMigrate(configPath string, name string) (*MachineVM, error) {
+ vm := new(MachineVM)
+ b, err := os.ReadFile(configPath)
if err != nil {
- return nil, err
+ if errors.Is(err, os.ErrNotExist) {
+ return nil, errors.Wrap(machine.ErrNoSuchVM, name)
+ }
+ return vm, err
}
err = json.Unmarshal(b, vm)
+ if err == nil && vm.Created.IsZero() {
+ err = vm.migrate40(configPath)
+ }
return vm, err
}
+func (v *MachineVM) migrate40(configPath string) error {
+ v.ConfigPath = configPath
+ fi, err := os.Stat(configPath)
+ if err != nil {
+ return err
+ }
+ v.Created = fi.ModTime()
+ v.LastUp = getLegacyLastStart(v)
+ return v.writeConfig()
+}
+
+func getLegacyLastStart(vm *MachineVM) time.Time {
+ vmDataDir, err := machine.GetDataDir(vmtype)
+ if err != nil {
+ return vm.Created
+ }
+ distDir := filepath.Join(vmDataDir, "wsldist")
+ start := filepath.Join(distDir, vm.Name, "laststart")
+ info, err := os.Stat(start)
+ if err != nil {
+ return vm.Created
+ }
+ return info.ModTime()
+}
+
// Init writes the json configuration file to the filesystem for
// other verbs (start, stop)
func (v *MachineVM) Init(opts machine.InitOptions) (bool, error) {
@@ -289,12 +340,7 @@ func downloadDistro(v *MachineVM, opts machine.InitOptions) error {
}
func (v *MachineVM) writeConfig() error {
- vmConfigDir, err := machine.GetConfDir(vmtype)
- if err != nil {
- return err
- }
-
- jsonFile := filepath.Join(vmConfigDir, v.Name) + ".json"
+ jsonFile := v.ConfigPath
b, err := json.MarshalIndent(v, "", " ")
if err != nil {
@@ -810,7 +856,8 @@ func (v *MachineVM) Start(name string, _ machine.StartOptions) error {
}
}
- return markStart(name)
+ _, _, err = v.updateTimeStamps(true)
+ return err
}
func launchWinProxy(v *MachineVM) (bool, string, error) {
@@ -1005,6 +1052,8 @@ func (v *MachineVM) Stop(name string, _ machine.StopOptions) error {
return errors.Errorf("%q is not running", v.Name)
}
+ _, _, _ = v.updateTimeStamps(true)
+
if err := stopWinProxy(v); err != nil {
fmt.Fprintf(os.Stderr, "Could not stop API forwarding service (win-sshproxy.exe): %s\n", err.Error())
}
@@ -1032,10 +1081,12 @@ func (v *MachineVM) Stop(name string, _ machine.StopOptions) error {
return nil
}
-// TODO: We need to rename isRunning to State(); I do not have a
-// windows system to test this on.
func (v *MachineVM) State(bypass bool) (machine.Status, error) {
- return "", define.ErrNotImplemented
+ if v.isRunning() {
+ return machine.Running, nil
+ }
+
+ return machine.Stopped, nil
}
func stopWinProxy(v *MachineVM) error {
@@ -1210,14 +1261,9 @@ func GetVMInfos() ([]*machine.ListResponse, error) {
var listed []*machine.ListResponse
if err = filepath.WalkDir(vmConfigDir, func(path string, d fs.DirEntry, err error) error {
- vm := new(MachineVM)
if strings.HasSuffix(d.Name(), ".json") {
- fullPath := filepath.Join(vmConfigDir, d.Name())
- b, err := ioutil.ReadFile(fullPath)
- if err != nil {
- return err
- }
- err = json.Unmarshal(b, vm)
+ path := filepath.Join(vmConfigDir, d.Name())
+ vm, err := readAndMigrate(path, strings.TrimSuffix(d.Name(), ".json"))
if err != nil {
return err
}
@@ -1229,15 +1275,13 @@ func GetVMInfos() ([]*machine.ListResponse, error) {
listEntry.CPUs, _ = getCPUs(vm)
listEntry.Memory, _ = getMem(vm)
listEntry.DiskSize = getDiskSize(vm)
- fi, err := os.Stat(fullPath)
- if err != nil {
- return err
- }
- listEntry.CreatedAt = fi.ModTime()
- listEntry.LastUp = getLastStart(vm, fi.ModTime())
- if vm.isRunning() {
- listEntry.Running = true
- }
+ listEntry.RemoteUsername = vm.RemoteUsername
+ listEntry.Port = vm.Port
+ listEntry.IdentityPath = vm.IdentityPath
+
+ running := vm.isRunning()
+ listEntry.CreatedAt, listEntry.LastUp, _ = vm.updateTimeStamps(running)
+ listEntry.Running = running
listed = append(listed, listEntry)
}
@@ -1248,6 +1292,16 @@ func GetVMInfos() ([]*machine.ListResponse, error) {
return listed, err
}
+func (vm *MachineVM) updateTimeStamps(updateLast bool) (time.Time, time.Time, error) {
+ var err error
+ if updateLast {
+ vm.LastUp = time.Now()
+ err = vm.writeConfig()
+ }
+
+ return vm.Created, vm.LastUp, err
+}
+
func getDiskSize(vm *MachineVM) uint64 {
vmDataDir, err := machine.GetDataDir(vmtype)
if err != nil {
@@ -1262,36 +1316,6 @@ func getDiskSize(vm *MachineVM) uint64 {
return uint64(info.Size())
}
-func markStart(name string) error {
- vmDataDir, err := machine.GetDataDir(vmtype)
- if err != nil {
- return err
- }
- distDir := filepath.Join(vmDataDir, "wsldist")
- start := filepath.Join(distDir, name, "laststart")
- file, err := os.Create(start)
- if err != nil {
- return err
- }
- file.Close()
-
- return nil
-}
-
-func getLastStart(vm *MachineVM, created time.Time) time.Time {
- vmDataDir, err := machine.GetDataDir(vmtype)
- if err != nil {
- return created
- }
- distDir := filepath.Join(vmDataDir, "wsldist")
- start := filepath.Join(distDir, vm.Name, "laststart")
- info, err := os.Stat(start)
- if err != nil {
- return created
- }
- return info.ModTime()
-}
-
func getCPUs(vm *MachineVM) (uint64, error) {
dist := toDist(vm.Name)
if run, _ := isWSLRunning(dist); !run {
@@ -1388,6 +1412,33 @@ func (v *MachineVM) setRootful(rootful bool) error {
return nil
}
+// Inspect returns verbose detail about the machine
func (v *MachineVM) Inspect() (*machine.InspectInfo, error) {
- return nil, define.ErrNotImplemented
+ state, err := v.State(false)
+ if err != nil {
+ return nil, err
+ }
+
+ created, lastUp, _ := v.updateTimeStamps(state == machine.Running)
+
+ return &machine.InspectInfo{
+ ConfigPath: machine.VMFile{Path: v.ConfigPath},
+ Created: created,
+ Image: machine.ImageConfig{
+ ImagePath: machine.VMFile{Path: v.ImagePath},
+ ImageStream: v.ImageStream,
+ },
+ LastUp: lastUp,
+ Name: v.Name,
+ Resources: v.getResources(),
+ SSHConfig: v.SSHConfig,
+ State: state,
+ }, nil
+}
+
+func (v *MachineVM) getResources() (resources machine.ResourceConfig) {
+ resources.CPUs, _ = getCPUs(v)
+ resources.Memory, _ = getMem(v)
+ resources.DiskSize = getDiskSize(v)
+ return
}