summaryrefslogtreecommitdiff
path: root/pkg/machine/qemu
diff options
context:
space:
mode:
Diffstat (limited to 'pkg/machine/qemu')
-rw-r--r--pkg/machine/qemu/config.go122
-rw-r--r--pkg/machine/qemu/config_test.go103
-rw-r--r--pkg/machine/qemu/machine.go24
3 files changed, 238 insertions, 11 deletions
diff --git a/pkg/machine/qemu/config.go b/pkg/machine/qemu/config.go
index 211d96ccb..408b33a33 100644
--- a/pkg/machine/qemu/config.go
+++ b/pkg/machine/qemu/config.go
@@ -4,12 +4,28 @@
package qemu
import (
+ "errors"
+ "os"
"time"
+
+ "github.com/sirupsen/logrus"
+)
+
+const (
+ // FCOS streams
+ // Testing FCOS stream
+ Testing string = "testing"
+ // Next FCOS stream
+ Next string = "next"
+ // Stable FCOS stream
+ Stable string = "stable"
)
type Provider struct{}
-type MachineVM struct {
+// Deprecated: MachineVMV1 is being deprecated in favor a more flexible and informative
+// structure
+type MachineVMV1 struct {
// CPUs to be assigned to the VM
CPUs uint64
// The command line representation of the qemu command
@@ -42,6 +58,74 @@ type MachineVM struct {
UID int
}
+type MachineVM struct {
+ // The command line representation of the qemu command
+ CmdLine []string
+ // HostUser contains info about host user
+ HostUser
+ // ImageConfig describes the bootable image
+ ImageConfig
+ // Mounts is the list of remote filesystems to mount
+ Mounts []Mount
+ // Name of VM
+ Name string
+ // PidFilePath is the where the PID file lives
+ PidFilePath MachineFile
+ // QMPMonitor is the qemu monitor object for sending commands
+ QMPMonitor Monitor
+ // ReadySocket tells host when vm is booted
+ ReadySocket MachineFile
+ // ResourceConfig is physical attrs of the VM
+ ResourceConfig
+ // SSHConfig for accessing the remote vm
+ SSHConfig
+}
+
+// ImageConfig describes the bootable image for the VM
+type ImageConfig struct {
+ IgnitionFilePath string
+ // ImageStream is the update stream for the image
+ ImageStream string
+ // ImagePath is the fq path to
+ ImagePath string
+}
+
+// HostUser describes the host user
+type HostUser struct {
+ // Whether this machine should run in a rootful or rootless manner
+ Rootful bool
+ // UID is the numerical id of the user that called machine
+ UID int
+}
+
+// SSHConfig contains remote access information for SSH
+type SSHConfig struct {
+ // IdentityPath is the fq path to the ssh priv key
+ IdentityPath string
+ // SSH port for user networking
+ Port int
+ // RemoteUsername of the vm user
+ RemoteUsername string
+}
+
+// ResourceConfig describes physical attributes of the machine
+type ResourceConfig struct {
+ // CPUs to be assigned to the VM
+ CPUs uint64
+ // Memory in megabytes assigned to the vm
+ Memory uint64
+ // Disk size in gigabytes assigned to the vm
+ DiskSize uint64
+}
+
+type MachineFile struct {
+ // Path is the fully qualified path to a file
+ Path string
+ // Symlink is a shortened version of Path by using
+ // a symlink
+ Symlink *string
+}
+
type Mount struct {
Type string
Tag string
@@ -52,7 +136,7 @@ type Mount struct {
type Monitor struct {
// Address portion of the qmp monitor (/tmp/tmp.sock)
- Address string
+ Address MachineFile
// Network portion of the qmp monitor (unix)
Network string
// Timeout in seconds for qmp monitor transactions
@@ -64,3 +148,37 @@ var (
// qmp monitor interactions.
defaultQMPTimeout time.Duration = 2 * time.Second
)
+
+// GetPath returns the working path for a machinefile. it returns
+// the symlink unless one does not exist
+func (m *MachineFile) GetPath() string {
+ if m.Symlink == nil {
+ return m.Path
+ }
+ return *m.Symlink
+}
+
+// Delete removes the machinefile symlink (if it exists) and
+// the actual path
+func (m *MachineFile) Delete() error {
+ if m.Symlink != nil {
+ if err := os.Remove(*m.Symlink); err != nil {
+ logrus.Errorf("unable to remove symlink %q", *m.Symlink)
+ }
+ }
+ return os.Remove(m.Path)
+}
+
+// NewMachineFile is a constructor for MachineFile
+func NewMachineFile(path string, symlink *string) (*MachineFile, error) {
+ if len(path) < 1 {
+ return nil, errors.New("invalid machine file path")
+ }
+ if symlink != nil && len(*symlink) < 1 {
+ return nil, errors.New("invalid symlink path")
+ }
+ return &MachineFile{
+ Path: path,
+ Symlink: symlink,
+ }, nil
+}
diff --git a/pkg/machine/qemu/config_test.go b/pkg/machine/qemu/config_test.go
new file mode 100644
index 000000000..e3e7437b5
--- /dev/null
+++ b/pkg/machine/qemu/config_test.go
@@ -0,0 +1,103 @@
+package qemu
+
+import (
+ "reflect"
+ "testing"
+)
+
+func TestMachineFile_GetPath(t *testing.T) {
+ path := "/var/tmp/podman/my.sock"
+ sym := "/tmp/podman/my.sock"
+ type fields struct {
+ Path string
+ Symlink *string
+ }
+ tests := []struct {
+ name string
+ fields fields
+ want string
+ }{
+ {
+ name: "Original path",
+ fields: fields{path, nil},
+ want: path,
+ },
+ {
+ name: "Symlink over path",
+ fields: fields{
+ Path: path,
+ Symlink: &sym,
+ },
+ want: sym,
+ },
+ }
+ for _, tt := range tests {
+ t.Run(tt.name, func(t *testing.T) {
+ m := &MachineFile{
+ Path: tt.fields.Path, //nolint: scopelint
+ Symlink: tt.fields.Symlink, //nolint: scopelint
+ }
+ if got := m.GetPath(); got != tt.want { //nolint: scopelint
+ t.Errorf("GetPath() = %v, want %v", got, tt.want) //nolint: scopelint
+ }
+ })
+ }
+}
+
+func TestNewMachineFile(t *testing.T) {
+ p := "/var/tmp/podman/my.sock"
+ sym := "/tmp/podman/my.sock"
+ empty := ""
+
+ m := MachineFile{
+ Path: p,
+ Symlink: nil,
+ }
+ type args struct {
+ path string
+ symlink *string
+ }
+ tests := []struct {
+ name string
+ args args
+ want *MachineFile
+ wantErr bool
+ }{
+ {
+ name: "Good",
+ args: args{path: p},
+ want: &m,
+ wantErr: false,
+ },
+ {
+ name: "Good with Symlink",
+ args: args{p, &sym},
+ want: &MachineFile{p, &sym},
+ wantErr: false,
+ },
+ {
+ name: "Bad path name",
+ args: args{empty, nil},
+ want: nil,
+ wantErr: true,
+ },
+ {
+ name: "Bad symlink name",
+ args: args{p, &empty},
+ want: nil,
+ wantErr: true,
+ },
+ }
+ for _, tt := range tests {
+ t.Run(tt.name, func(t *testing.T) {
+ got, err := NewMachineFile(tt.args.path, tt.args.symlink) //nolint: scopelint
+ if (err != nil) != tt.wantErr { //nolint: scopelint
+ t.Errorf("NewMachineFile() error = %v, wantErr %v", err, tt.wantErr) //nolint: scopelint
+ return
+ }
+ if !reflect.DeepEqual(got, tt.want) { //nolint: scopelint
+ t.Errorf("NewMachineFile() got = %v, want %v", got, tt.want) //nolint: scopelint
+ }
+ })
+ }
+}
diff --git a/pkg/machine/qemu/machine.go b/pkg/machine/qemu/machine.go
index f04625781..ac8e7d75c 100644
--- a/pkg/machine/qemu/machine.go
+++ b/pkg/machine/qemu/machine.go
@@ -111,7 +111,7 @@ func (p *Provider) NewMachine(opts machine.InitOptions) (machine.VM, error) {
return nil, err
}
vm.QMPMonitor = monitor
- cmd = append(cmd, []string{"-qmp", monitor.Network + ":/" + monitor.Address + ",server=on,wait=off"}...)
+ cmd = append(cmd, []string{"-qmp", monitor.Network + ":/" + monitor.Address.GetPath() + ",server=on,wait=off"}...)
// Add network
// Right now the mac address is hardcoded so that the host networking gives it a specific IP address. This is
@@ -134,7 +134,8 @@ func (p *Provider) NewMachine(opts machine.InitOptions) (machine.VM, error) {
// 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 := &MachineVM{UID: -1} // posix reserves -1, so use it to signify undefined
+ 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 {
return nil, err
@@ -176,7 +177,7 @@ func (v *MachineVM) Init(opts machine.InitOptions) (bool, error) {
v.Rootful = opts.Rootful
switch opts.ImagePath {
- case "testing", "next", "stable", "":
+ case Testing, Next, Stable, "":
// Get image as usual
v.ImageStream = opts.ImagePath
dd, err := machine.NewFcosDownloader(vmtype, v.Name, opts.ImagePath)
@@ -576,12 +577,12 @@ func (v *MachineVM) checkStatus(monitor *qmp.SocketMonitor) (machine.QemuMachine
func (v *MachineVM) Stop(name 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); os.IsNotExist(err) {
+ if _, err := os.Stat(v.QMPMonitor.Address.GetPath()); os.IsNotExist(err) {
// Right now it is NOT an error to stop a stopped machine
logrus.Debugf("QMP monitor socket %v does not exist", v.QMPMonitor.Address)
return nil
}
- qmpMonitor, err := qmp.NewSocketMonitor(v.QMPMonitor.Network, v.QMPMonitor.Address, v.QMPMonitor.Timeout)
+ qmpMonitor, err := qmp.NewSocketMonitor(v.QMPMonitor.Network, v.QMPMonitor.Address.GetPath(), v.QMPMonitor.Timeout)
if err != nil {
return err
}
@@ -684,20 +685,25 @@ func NewQMPMonitor(network, name string, timeout time.Duration) (Monitor, error)
if timeout == 0 {
timeout = defaultQMPTimeout
}
+ address, err := NewMachineFile(filepath.Join(rtDir, "qmp+"+name+".sock"), nil)
+ if err != nil {
+ return Monitor{}, err
+ }
monitor := Monitor{
Network: network,
- Address: filepath.Join(rtDir, "qmp_"+name+".sock"),
+ Address: *address,
Timeout: timeout,
}
return monitor, nil
}
+// 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) {
var (
files []string
)
- // cannot remove a running vm
+ // cannot remove a running vm unless --force is used
running, err := v.isRunning()
if err != nil {
return "", nil, err
@@ -768,11 +774,11 @@ func (v *MachineVM) Remove(name string, opts machine.RemoveOptions) (string, fun
func (v *MachineVM) isRunning() (bool, error) {
// Check if qmp socket path exists
- if _, err := os.Stat(v.QMPMonitor.Address); os.IsNotExist(err) {
+ if _, err := os.Stat(v.QMPMonitor.Address.GetPath()); os.IsNotExist(err) {
return false, nil
}
// Check if we can dial it
- monitor, err := qmp.NewSocketMonitor(v.QMPMonitor.Network, v.QMPMonitor.Address, v.QMPMonitor.Timeout)
+ monitor, err := qmp.NewSocketMonitor(v.QMPMonitor.Network, v.QMPMonitor.Address.GetPath(), v.QMPMonitor.Timeout)
if err != nil {
// FIXME: this error should probably be returned
return false, nil // nolint: nilerr
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-07 15:46:01 +0000