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Diffstat (limited to 'pkg/machine/qemu/machine.go')
-rw-r--r--pkg/machine/qemu/machine.go269
1 files changed, 183 insertions, 86 deletions
diff --git a/pkg/machine/qemu/machine.go b/pkg/machine/qemu/machine.go
index 07155bbcf..65980129d 100644
--- a/pkg/machine/qemu/machine.go
+++ b/pkg/machine/qemu/machine.go
@@ -71,10 +71,17 @@ func (p *Provider) NewMachine(opts machine.InitOptions) (machine.VM, error) {
if len(opts.Name) > 0 {
vm.Name = opts.Name
}
- ignitionFile := filepath.Join(vmConfigDir, vm.Name+".ign")
- vm.IgnitionFilePath = ignitionFile
+ ignitionFile, err := NewMachineFile(filepath.Join(vmConfigDir, vm.Name+".ign"), nil)
+ if err != nil {
+ return nil, err
+ }
+ vm.IgnitionFilePath = *ignitionFile
- vm.ImagePath = opts.ImagePath
+ imagePath, err := NewMachineFile(opts.ImagePath, nil)
+ if err != nil {
+ return nil, err
+ }
+ vm.ImagePath = *imagePath
vm.RemoteUsername = opts.Username
// Add a random port for ssh
@@ -104,7 +111,7 @@ func (p *Provider) NewMachine(opts machine.InitOptions) (machine.VM, error) {
// Add cpus
cmd = append(cmd, []string{"-smp", strconv.Itoa(int(vm.CPUs))}...)
// Add ignition file
- cmd = append(cmd, []string{"-fw_cfg", "name=opt/com.coreos/config,file=" + vm.IgnitionFilePath}...)
+ cmd = append(cmd, []string{"-fw_cfg", "name=opt/com.coreos/config,file=" + vm.IgnitionFilePath.GetPath()}...)
// Add qmp socket
monitor, err := NewQMPMonitor("unix", vm.Name, defaultQMPTimeout)
if err != nil {
@@ -117,17 +124,19 @@ func (p *Provider) NewMachine(opts machine.InitOptions) (machine.VM, error) {
// Right now the mac address is hardcoded so that the host networking gives it a specific IP address. This is
// why we can only run one vm at a time right now
cmd = append(cmd, []string{"-netdev", "socket,id=vlan,fd=3", "-device", "virtio-net-pci,netdev=vlan,mac=5a:94:ef:e4:0c:ee"}...)
- socketPath, err := getRuntimeDir()
- if err != nil {
+ if err := vm.setReadySocket(); err != nil {
return nil, err
}
- virtualSocketPath := filepath.Join(socketPath, "podman", vm.Name+"_ready.sock")
+
// Add serial port for readiness
cmd = append(cmd, []string{
"-device", "virtio-serial",
- "-chardev", "socket,path=" + virtualSocketPath + ",server=on,wait=off,id=" + vm.Name + "_ready",
+ "-chardev", "socket,path=" + vm.getReadySocket() + ",server=on,wait=off,id=" + vm.Name + "_ready",
"-device", "virtserialport,chardev=" + vm.Name + "_ready" + ",name=org.fedoraproject.port.0"}...)
vm.CmdLine = cmd
+ if err := vm.setQEMUAndPIDSocket(); err != nil {
+ return nil, err
+ }
return vm, nil
}
@@ -165,12 +174,26 @@ func migrateVM(configPath string, config []byte, vm *MachineVM) error {
vm.ResourceConfig = ResourceConfig{}
vm.SSHConfig = SSHConfig{}
+ ignitionFilePath, err := NewMachineFile(old.IgnitionFilePath, nil)
+ if err != nil {
+ return err
+ }
+ imagePath, err := NewMachineFile(old.ImagePath, nil)
+ if err != nil {
+ return err
+ }
+
+ // setReadySocket will stick the entry into the new struct
+ if err := vm.setReadySocket(); err != nil {
+ return err
+ }
+
vm.CPUs = old.CPUs
vm.CmdLine = old.CmdLine
vm.DiskSize = old.DiskSize
vm.IdentityPath = old.IdentityPath
- vm.IgnitionFilePath = old.IgnitionFilePath
- vm.ImagePath = old.ImagePath
+ vm.IgnitionFilePath = *ignitionFilePath
+ vm.ImagePath = *imagePath
vm.ImageStream = old.ImageStream
vm.Memory = old.Memory
vm.Mounts = old.Mounts
@@ -200,31 +223,15 @@ func migrateVM(configPath string, config []byte, vm *MachineVM) error {
return os.Remove(configPath + ".orig")
}
-// LoadByName reads a json file that describes a known qemu vm
+// LoadVMByName 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 := &MachineVM{Name: name}
vm.HostUser = HostUser{UID: -1} // posix reserves -1, so use it to signify undefined
- vmConfigDir, err := machine.GetConfDir(vmtype)
- if err != nil {
+ if err := vm.update(); err != nil {
return nil, err
}
- path := filepath.Join(vmConfigDir, name+".json")
- b, err := ioutil.ReadFile(path)
- if os.IsNotExist(err) {
- return nil, errors.Wrap(machine.ErrNoSuchVM, name)
- }
- if err != nil {
- return nil, err
- }
- err = json.Unmarshal(b, vm)
- if err != nil {
- migrateErr := migrateVM(path, b, vm)
- if migrateErr != nil {
- return nil, migrateErr
- }
- err = migrateErr
- }
+
// It is here for providing the ability to propagate
// proxy settings (e.g. HTTP_PROXY and others) on a start
// and avoid a need of re-creating/re-initiating a VM
@@ -239,7 +246,7 @@ func (p *Provider) LoadVMByName(name string) (machine.VM, error) {
}
logrus.Debug(vm.CmdLine)
- return vm, err
+ return vm, nil
}
// Init writes the json configuration file to the filesystem for
@@ -261,7 +268,11 @@ func (v *MachineVM) Init(opts machine.InitOptions) (bool, error) {
if err != nil {
return false, err
}
- v.ImagePath = dd.Get().LocalUncompressedFile
+ uncompressedFile, err := NewMachineFile(dd.Get().LocalUncompressedFile, nil)
+ if err != nil {
+ return false, err
+ }
+ v.ImagePath = *uncompressedFile
if err := machine.DownloadImage(dd); err != nil {
return false, err
}
@@ -273,14 +284,17 @@ func (v *MachineVM) Init(opts machine.InitOptions) (bool, error) {
if err != nil {
return false, err
}
- v.ImagePath = g.Get().LocalUncompressedFile
+ imagePath, err := NewMachineFile(g.Get().LocalUncompressedFile, nil)
+ if err != nil {
+ return false, err
+ }
+ v.ImagePath = *imagePath
if err := machine.DownloadImage(g); err != nil {
return false, err
}
}
// Add arch specific options including image location
v.CmdLine = append(v.CmdLine, v.addArchOptions()...)
-
var volumeType string
switch opts.VolumeDriver {
case "virtfs":
@@ -330,7 +344,7 @@ func (v *MachineVM) Init(opts machine.InitOptions) (bool, error) {
v.UID = os.Getuid()
// Add location of bootable image
- v.CmdLine = append(v.CmdLine, "-drive", "if=virtio,file="+v.ImagePath)
+ v.CmdLine = append(v.CmdLine, "-drive", "if=virtio,file="+v.getImageFile())
// This kind of stinks but no other way around this r/n
if len(opts.IgnitionPath) < 1 {
uri := machine.SSHRemoteConnection.MakeSSHURL("localhost", fmt.Sprintf("/run/user/%d/podman/podman.sock", v.UID), strconv.Itoa(v.Port), v.RemoteUsername)
@@ -373,7 +387,7 @@ func (v *MachineVM) Init(opts machine.InitOptions) (bool, error) {
return false, err
}
- originalDiskSize, err := getDiskSize(v.ImagePath)
+ originalDiskSize, err := getDiskSize(v.getImageFile())
if err != nil {
return false, err
}
@@ -390,7 +404,7 @@ func (v *MachineVM) Init(opts machine.InitOptions) (bool, error) {
if err != nil {
return false, err
}
- resize := exec.Command(resizePath, []string{"resize", v.ImagePath, strconv.Itoa(int(opts.DiskSize)) + "G"}...)
+ resize := exec.Command(resizePath, []string{"resize", v.getImageFile(), strconv.Itoa(int(opts.DiskSize)) + "G"}...)
resize.Stdout = os.Stdout
resize.Stderr = os.Stderr
if err := resize.Run(); err != nil {
@@ -404,7 +418,7 @@ func (v *MachineVM) Init(opts machine.InitOptions) (bool, error) {
if err != nil {
return false, err
}
- return false, ioutil.WriteFile(v.IgnitionFilePath, inputIgnition, 0644)
+ return false, ioutil.WriteFile(v.getIgnitionFile(), inputIgnition, 0644)
}
// Write the ignition file
ign := machine.DynamicIgnition{
@@ -412,14 +426,14 @@ func (v *MachineVM) Init(opts machine.InitOptions) (bool, error) {
Key: key,
VMName: v.Name,
TimeZone: opts.TimeZone,
- WritePath: v.IgnitionFilePath,
+ WritePath: v.getIgnitionFile(),
UID: v.UID,
}
err = machine.NewIgnitionFile(ign)
return err == nil, err
}
-func (v *MachineVM) Set(name string, opts machine.SetOptions) error {
+func (v *MachineVM) Set(_ string, opts machine.SetOptions) error {
if v.Rootful == opts.Rootful {
return nil
}
@@ -473,17 +487,16 @@ func (v *MachineVM) Start(name string, _ machine.StartOptions) error {
return err
}
}
- qemuSocketPath, _, err := v.getSocketandPid()
- if err != nil {
+ if err := v.setQEMUAndPIDSocket(); err != nil {
return err
}
// If the qemusocketpath exists and the vm is off/down, we should rm
// it before the dial as to avoid a segv
- if err := os.Remove(qemuSocketPath); err != nil && !errors.Is(err, os.ErrNotExist) {
- logrus.Warn(err)
+ if err := v.QMPMonitor.Address.Delete(); err != nil {
+ return err
}
for i := 0; i < 6; i++ {
- qemuSocketConn, err = net.Dial("unix", qemuSocketPath)
+ qemuSocketConn, err = net.Dial("unix", v.QMPMonitor.Address.GetPath())
if err == nil {
break
}
@@ -650,7 +663,7 @@ func (v *MachineVM) checkStatus(monitor *qmp.SocketMonitor) (machine.QemuMachine
}
// Stop uses the qmp monitor to call a system_powerdown
-func (v *MachineVM) Stop(name string, _ machine.StopOptions) error {
+func (v *MachineVM) Stop(_ string, _ machine.StopOptions) error {
var disconnected bool
// check if the qmp socket is there. if not, qemu instance is gone
if _, err := os.Stat(v.QMPMonitor.Address.GetPath()); os.IsNotExist(err) {
@@ -687,14 +700,10 @@ func (v *MachineVM) Stop(name string, _ machine.StopOptions) error {
return err
}
- qemuSocketFile, pidFile, err := v.getSocketandPid()
- if err != nil {
- return err
- }
- if _, err := os.Stat(pidFile); os.IsNotExist(err) {
+ if _, err := os.Stat(v.getPidFile()); os.IsNotExist(err) {
return nil
}
- pidString, err := ioutil.ReadFile(pidFile)
+ pidString, err := v.PidFilePath.Read()
if err != nil {
return err
}
@@ -712,11 +721,11 @@ func (v *MachineVM) Stop(name string, _ machine.StopOptions) error {
return err
}
// Remove the pidfile
- if err := os.Remove(pidFile); err != nil && !errors.Is(err, os.ErrNotExist) {
- logrus.Warn(err)
+ if err := v.PidFilePath.Delete(); err != nil {
+ return err
}
// Remove socket
- if err := os.Remove(qemuSocketFile); err != nil {
+ if err := v.QMPMonitor.Address.Delete(); err != nil {
return err
}
@@ -774,7 +783,7 @@ func NewQMPMonitor(network, name string, timeout time.Duration) (Monitor, error)
}
// Remove deletes all the files associated with a machine including ssh keys, the image itself
-func (v *MachineVM) Remove(name string, opts machine.RemoveOptions) (string, func() error, error) {
+func (v *MachineVM) Remove(_ string, opts machine.RemoveOptions) (string, func() error, error) {
var (
files []string
)
@@ -793,10 +802,10 @@ func (v *MachineVM) Remove(name string, opts machine.RemoveOptions) (string, fun
files = append(files, v.IdentityPath, v.IdentityPath+".pub")
}
if !opts.SaveIgnition {
- files = append(files, v.IgnitionFilePath)
+ files = append(files, v.getIgnitionFile())
}
if !opts.SaveImage {
- files = append(files, v.ImagePath)
+ files = append(files, v.getImageFile())
}
socketPath, err := v.getForwardSocketPath()
if err != nil {
@@ -822,19 +831,15 @@ func (v *MachineVM) Remove(name string, opts machine.RemoveOptions) (string, fun
confirmationMessage += msg + "\n"
}
- // Get path to socket and pidFile before we do any cleanups
- qemuSocketFile, pidFile, errSocketFile := v.getSocketandPid()
//silently try to delete socket and pid file
//remove socket and pid file if any: warn at low priority if things fail
- if errSocketFile == nil {
- // Remove the pidfile
- if err := os.Remove(pidFile); err != nil && !errors.Is(err, os.ErrNotExist) {
- logrus.Debugf("Error while removing pidfile: %v", err)
- }
- // Remove socket
- if err := os.Remove(qemuSocketFile); err != nil && !errors.Is(err, os.ErrNotExist) {
- logrus.Debugf("Error while removing podman-machine-socket: %v", err)
- }
+ // Remove the pidfile
+ if err := v.PidFilePath.Delete(); err != nil {
+ logrus.Debugf("Error while removing pidfile: %v", err)
+ }
+ // Remove socket
+ if err := v.QMPMonitor.Address.Delete(); err != nil {
+ logrus.Debugf("Error while removing podman-machine-socket: %v", err)
}
confirmationMessage += "\n"
@@ -890,7 +895,7 @@ func (v *MachineVM) isListening() bool {
// SSH opens an interactive SSH session to the vm specified.
// Added ssh function to VM interface: pkg/machine/config/go : line 58
-func (v *MachineVM) SSH(name string, opts machine.SSHOptions) error {
+func (v *MachineVM) SSH(_ string, opts machine.SSHOptions) error {
running, err := v.isRunning()
if err != nil {
return err
@@ -966,10 +971,10 @@ func getDiskSize(path string) (uint64, error) {
// List lists all vm's that use qemu virtualization
func (p *Provider) List(_ machine.ListOptions) ([]*machine.ListResponse, error) {
- return GetVMInfos()
+ return getVMInfos()
}
-func GetVMInfos() ([]*machine.ListResponse, error) {
+func getVMInfos() ([]*machine.ListResponse, error) {
vmConfigDir, err := machine.GetConfDir(vmtype)
if err != nil {
return nil, err
@@ -1011,7 +1016,7 @@ func GetVMInfos() ([]*machine.ListResponse, error) {
}
listEntry.CreatedAt = fi.ModTime()
- fi, err = os.Stat(vm.ImagePath)
+ fi, err = os.Stat(vm.getImageFile())
if err != nil {
return err
}
@@ -1034,7 +1039,7 @@ func GetVMInfos() ([]*machine.ListResponse, error) {
}
func (p *Provider) IsValidVMName(name string) (bool, error) {
- infos, err := GetVMInfos()
+ infos, err := getVMInfos()
if err != nil {
return false, err
}
@@ -1049,7 +1054,7 @@ func (p *Provider) IsValidVMName(name string) (bool, error) {
// CheckExclusiveActiveVM checks if there is a VM already running
// that does not allow other VMs to be running
func (p *Provider) CheckExclusiveActiveVM() (bool, string, error) {
- vms, err := GetVMInfos()
+ vms, err := getVMInfos()
if err != nil {
return false, "", errors.Wrap(err, "error checking VM active")
}
@@ -1073,16 +1078,12 @@ func (v *MachineVM) startHostNetworking() (string, apiForwardingState, error) {
return "", noForwarding, err
}
- qemuSocket, pidFile, err := v.getSocketandPid()
- if err != nil {
- return "", noForwarding, err
- }
attr := new(os.ProcAttr)
// Pass on stdin, stdout, stderr
files := []*os.File{os.Stdin, os.Stdout, os.Stderr}
attr.Files = files
cmd := []string{binary}
- cmd = append(cmd, []string{"-listen-qemu", fmt.Sprintf("unix://%s", qemuSocket), "-pid-file", pidFile}...)
+ cmd = append(cmd, []string{"-listen-qemu", fmt.Sprintf("unix://%s", v.getQMPMonitorSocket()), "-pid-file", v.getPidFile()}...)
// Add the ssh port
cmd = append(cmd, []string{"-ssh-port", fmt.Sprintf("%d", v.Port)}...)
@@ -1171,6 +1172,52 @@ func (v *MachineVM) getForwardSocketPath() (string, error) {
return filepath.Join(path, "podman.sock"), nil
}
+func (v *MachineVM) setConfigPath() error {
+ vmConfigDir, err := machine.GetConfDir(vmtype)
+ if err != nil {
+ return err
+ }
+
+ configPath, err := NewMachineFile(filepath.Join(vmConfigDir, v.Name)+".json", nil)
+ if err != nil {
+ return err
+ }
+ v.ConfigPath = *configPath
+ return nil
+}
+
+func (v *MachineVM) setReadySocket() error {
+ rtPath, err := getRuntimeDir()
+ if err != nil {
+ return err
+ }
+ virtualSocketPath, err := NewMachineFile(filepath.Join(rtPath, "podman", v.Name+"_ready.sock"), nil)
+ if err != nil {
+ return err
+ }
+ v.ReadySocket = *virtualSocketPath
+ return nil
+}
+
+func (v *MachineVM) setQEMUAndPIDSocket() error {
+ rtPath, err := getRuntimeDir()
+ if err != nil {
+ return err
+ }
+ if !rootless.IsRootless() {
+ rtPath = "/run"
+ }
+ socketDir := filepath.Join(rtPath, "podman")
+ pidFilePath, err := NewMachineFile(filepath.Join(socketDir, fmt.Sprintf("%s.pid", v.Name)), nil)
+ if err != nil {
+ return err
+ }
+ v.PidFilePath = *pidFilePath
+ return nil
+}
+
+// Deprecated: getSocketandPid is being replace by setQEMUAndPIDSocket and
+// machinefiles.
func (v *MachineVM) getSocketandPid() (string, string, error) {
rtPath, err := getRuntimeDir()
if err != nil {
@@ -1287,23 +1334,73 @@ func (v *MachineVM) waitAPIAndPrintInfo(forwardState apiForwardingState, forward
}
}
-func (v *MachineVM) writeConfig() error {
- // GetConfDir creates the directory so no need to check for
- // its existence
- vmConfigDir, err := machine.GetConfDir(vmtype)
+// update returns the content of the VM's
+// configuration file in json
+func (v *MachineVM) update() error {
+ if err := v.setConfigPath(); err != nil {
+ return err
+ }
+ b, err := v.ConfigPath.Read()
if err != nil {
+ if os.IsNotExist(err) {
+ return errors.Wrap(machine.ErrNoSuchVM, v.Name)
+ }
return err
}
+ if err != nil {
+ return err
+ }
+ err = json.Unmarshal(b, v)
+ if err != nil {
+ err = migrateVM(v.ConfigPath.GetPath(), b, v)
+ if err != nil {
+ return err
+ }
+ }
+ return err
+}
- jsonFile := filepath.Join(vmConfigDir, v.Name) + ".json"
+func (v *MachineVM) writeConfig() error {
+ // Set the path of the configfile before writing to make
+ // life easier down the line
+ if err := v.setConfigPath(); err != nil {
+ return err
+ }
// Write the JSON file
b, err := json.MarshalIndent(v, "", " ")
if err != nil {
return err
}
- if err := ioutil.WriteFile(jsonFile, b, 0644); err != nil {
+ if err := ioutil.WriteFile(v.ConfigPath.GetPath(), b, 0644); err != nil {
return err
}
-
return nil
}
+
+// getPidFile gets the file where the machine pid is stored
+func (v *MachineVM) getPidFile() string {
+ return v.PidFilePath.GetPath()
+}
+
+// getQMPMonitorSocket gets the socket used by qemu to interact
+// with the instance
+func (v *MachineVM) getQMPMonitorSocket() string {
+ return v.QMPMonitor.Address.GetPath()
+}
+
+// getReadySocket returns the socket used to communicate
+// with the machinevm and report when it is booted
+func (v *MachineVM) getReadySocket() string {
+ return v.ReadySocket.GetPath()
+}
+
+// getImageFile returns the path to the image used
+// to boot the VM
+func (v *MachineVM) getImageFile() string {
+ return v.ImagePath.GetPath()
+}
+
+// getIgnitionFile returns the path to the ignition file
+func (v *MachineVM) getIgnitionFile() string {
+ return v.IgnitionFilePath.GetPath()
+}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-09-28 17:20:42 +0000