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-rw-r--r--cmd/podman/machine/init.go4
-rw-r--r--cmd/podman/machine/inspect.go1
-rw-r--r--cmd/podman/machine/list.go1
-rw-r--r--cmd/podman/machine/machine.go132
-rw-r--r--cmd/podman/machine/rm.go10
-rw-r--r--cmd/podman/machine/start.go4
-rw-r--r--cmd/podman/machine/stop.go2
-rw-r--r--cmd/podman/main.go9
-rw-r--r--cmd/podman/system/connection.go15
-rw-r--r--cmd/podman/validate/noop.go9
-rw-r--r--libpod/events/config.go6
-rw-r--r--libpod/events/events.go22
-rw-r--r--libpod/events/events_linux.go2
-rw-r--r--libpod/events/memory.go49
-rw-r--r--test/e2e/common_test.go34
-rw-r--r--test/e2e/system_service_test.go16
16 files changed, 266 insertions, 50 deletions
diff --git a/cmd/podman/machine/init.go b/cmd/podman/machine/init.go
index 4991c6aa3..733266b85 100644
--- a/cmd/podman/machine/init.go
+++ b/cmd/podman/machine/init.go
@@ -9,6 +9,7 @@ import (
"github.com/containers/common/pkg/completion"
"github.com/containers/podman/v4/cmd/podman/registry"
+ "github.com/containers/podman/v4/libpod/events"
"github.com/containers/podman/v4/pkg/machine"
"github.com/pkg/errors"
"github.com/spf13/cobra"
@@ -145,11 +146,14 @@ func initMachine(cmd *cobra.Command, args []string) error {
// Finished = *, err != nil - Exit with an error message
return err
}
+ newMachineEvent(events.Init, events.Event{Name: initOpts.Name})
fmt.Println("Machine init complete")
+
if now {
err = vm.Start(initOpts.Name, machine.StartOptions{})
if err == nil {
fmt.Printf("Machine %q started successfully\n", initOpts.Name)
+ newMachineEvent(events.Start, events.Event{Name: initOpts.Name})
}
} else {
extra := ""
diff --git a/cmd/podman/machine/inspect.go b/cmd/podman/machine/inspect.go
index 21e5074b7..0ddcec8b5 100644
--- a/cmd/podman/machine/inspect.go
+++ b/cmd/podman/machine/inspect.go
@@ -4,7 +4,6 @@
package machine
import (
- "encoding/json"
"os"
"github.com/containers/podman/v4/cmd/podman/common"
diff --git a/cmd/podman/machine/list.go b/cmd/podman/machine/list.go
index c987bf71a..861feee07 100644
--- a/cmd/podman/machine/list.go
+++ b/cmd/podman/machine/list.go
@@ -4,7 +4,6 @@
package machine
import (
- "encoding/json"
"os"
"sort"
"strconv"
diff --git a/cmd/podman/machine/machine.go b/cmd/podman/machine/machine.go
index d3775f022..4c566b11f 100644
--- a/cmd/podman/machine/machine.go
+++ b/cmd/podman/machine/machine.go
@@ -4,25 +4,39 @@
package machine
import (
+ "errors"
+ "net"
+ "os"
+ "path/filepath"
+ "regexp"
"strings"
+ "sync"
+ "time"
"github.com/containers/podman/v4/cmd/podman/registry"
"github.com/containers/podman/v4/cmd/podman/validate"
+ "github.com/containers/podman/v4/libpod/events"
"github.com/containers/podman/v4/pkg/machine"
+ "github.com/containers/podman/v4/pkg/util"
+ "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
var (
- noOp = func(cmd *cobra.Command, args []string) error {
- return nil
- }
+ // Pull in configured json library
+ json = registry.JSONLibrary()
+
+ sockPaths []string // Paths to unix domain sockets for publishing
+ openEventSock sync.Once // Singleton support for opening sockets as needed
+ sockets []net.Conn // Opened sockets, if any
+
// Command: podman _machine_
machineCmd = &cobra.Command{
Use: "machine",
Short: "Manage a virtual machine",
Long: "Manage a virtual machine. Virtual machines are used to run Podman.",
- PersistentPreRunE: noOp,
- PersistentPostRunE: noOp,
+ PersistentPreRunE: initMachineEvents,
+ PersistentPostRunE: closeMachineEvents,
RunE: validate.SubCommandExists,
}
)
@@ -64,3 +78,111 @@ func getMachines(toComplete string) ([]string, cobra.ShellCompDirective) {
}
return suggestions, cobra.ShellCompDirectiveNoFileComp
}
+
+func initMachineEvents(cmd *cobra.Command, _ []string) error {
+ logrus.Debugf("Called machine %s.PersistentPreRunE(%s)", cmd.Name(), strings.Join(os.Args, " "))
+
+ sockPaths, err := resolveEventSock()
+ if err != nil {
+ return err
+ }
+
+ // No sockets found, so no need to publish events...
+ if len(sockPaths) == 0 {
+ return nil
+ }
+
+ for _, path := range sockPaths {
+ conn, err := (&net.Dialer{}).DialContext(registry.Context(), "unix", path)
+ if err != nil {
+ logrus.Warnf("Failed to open event socket %q: %v", path, err)
+ continue
+ }
+ logrus.Debugf("Machine event socket %q found", path)
+ sockets = append(sockets, conn)
+ }
+ return nil
+}
+
+func resolveEventSock() ([]string, error) {
+ // Used mostly for testing
+ if sock, found := os.LookupEnv("PODMAN_MACHINE_EVENTS_SOCK"); found {
+ return []string{sock}, nil
+ }
+
+ xdg, err := util.GetRuntimeDir()
+ if err != nil {
+ logrus.Warnf("Failed to get runtime dir, machine events will not be published: %s", err)
+ return nil, nil
+ }
+
+ re := regexp.MustCompile(`machine_events.*\.sock`)
+ sockPaths := make([]string, 0)
+ fn := func(path string, info os.DirEntry, err error) error {
+ switch {
+ case err != nil:
+ return err
+ case info.IsDir():
+ return nil
+ case info.Type() != os.ModeSocket:
+ return nil
+ case !re.MatchString(info.Name()):
+ return nil
+ }
+
+ logrus.Debugf("Machine events will be published on: %q", path)
+ sockPaths = append(sockPaths, path)
+ return nil
+ }
+
+ if err := filepath.WalkDir(filepath.Join(xdg, "podman"), fn); err != nil {
+ if errors.Is(err, os.ErrNotExist) {
+ return nil, nil
+ }
+ return nil, err
+ }
+ return sockPaths, nil
+}
+
+func newMachineEvent(status events.Status, event events.Event) {
+ openEventSock.Do(func() {
+ // No sockets where found, so no need to publish events...
+ if len(sockPaths) == 0 {
+ return
+ }
+
+ for _, path := range sockPaths {
+ conn, err := (&net.Dialer{}).DialContext(registry.Context(), "unix", path)
+ if err != nil {
+ logrus.Warnf("Failed to open event socket %q: %v", path, err)
+ continue
+ }
+ logrus.Debugf("Machine event socket %q found", path)
+ sockets = append(sockets, conn)
+ }
+ })
+
+ event.Status = status
+ event.Time = time.Now()
+ event.Type = events.Machine
+
+ payload, err := json.Marshal(event)
+ if err != nil {
+ logrus.Errorf("Unable to format machine event: %q", err)
+ return
+ }
+
+ for _, sock := range sockets {
+ if _, err := sock.Write(payload); err != nil {
+ logrus.Errorf("Unable to write machine event: %q", err)
+ }
+ }
+}
+
+func closeMachineEvents(cmd *cobra.Command, _ []string) error {
+ logrus.Debugf("Called machine %s.PersistentPostRunE(%s)", cmd.Name(), strings.Join(os.Args, " "))
+ for _, sock := range sockets {
+ _ = sock.Close()
+ }
+ return nil
+}
diff --git a/cmd/podman/machine/rm.go b/cmd/podman/machine/rm.go
index 617a70a76..e678eb629 100644
--- a/cmd/podman/machine/rm.go
+++ b/cmd/podman/machine/rm.go
@@ -10,6 +10,7 @@ import (
"strings"
"github.com/containers/podman/v4/cmd/podman/registry"
+ "github.com/containers/podman/v4/libpod/events"
"github.com/containers/podman/v4/pkg/machine"
"github.com/spf13/cobra"
)
@@ -50,7 +51,7 @@ func init() {
flags.BoolVar(&destroyOptions.SaveImage, imageFlagName, false, "Do not delete the image file")
}
-func rm(cmd *cobra.Command, args []string) error {
+func rm(_ *cobra.Command, args []string) error {
var (
err error
vm machine.VM
@@ -83,5 +84,10 @@ func rm(cmd *cobra.Command, args []string) error {
return nil
}
}
- return remove()
+ err = remove()
+ if err != nil {
+ return err
+ }
+ newMachineEvent(events.Remove, events.Event{Name: vmName})
+ return nil
}
diff --git a/cmd/podman/machine/start.go b/cmd/podman/machine/start.go
index 56acb09cb..2b0c8213d 100644
--- a/cmd/podman/machine/start.go
+++ b/cmd/podman/machine/start.go
@@ -7,6 +7,7 @@ import (
"fmt"
"github.com/containers/podman/v4/cmd/podman/registry"
+ "github.com/containers/podman/v4/libpod/events"
"github.com/containers/podman/v4/pkg/machine"
"github.com/pkg/errors"
"github.com/spf13/cobra"
@@ -31,7 +32,7 @@ func init() {
})
}
-func start(cmd *cobra.Command, args []string) error {
+func start(_ *cobra.Command, args []string) error {
var (
err error
vm machine.VM
@@ -62,5 +63,6 @@ func start(cmd *cobra.Command, args []string) error {
return err
}
fmt.Printf("Machine %q started successfully\n", vmName)
+ newMachineEvent(events.Start, events.Event{Name: vmName})
return nil
}
diff --git a/cmd/podman/machine/stop.go b/cmd/podman/machine/stop.go
index e6bf3cf2b..dcb124dd4 100644
--- a/cmd/podman/machine/stop.go
+++ b/cmd/podman/machine/stop.go
@@ -7,6 +7,7 @@ import (
"fmt"
"github.com/containers/podman/v4/cmd/podman/registry"
+ "github.com/containers/podman/v4/libpod/events"
"github.com/containers/podman/v4/pkg/machine"
"github.com/spf13/cobra"
)
@@ -49,5 +50,6 @@ func stop(cmd *cobra.Command, args []string) error {
return err
}
fmt.Printf("Machine %q stopped successfully\n", vmName)
+ newMachineEvent(events.Stop, events.Event{Name: vmName})
return nil
}
diff --git a/cmd/podman/main.go b/cmd/podman/main.go
index 8f580601e..929c8a757 100644
--- a/cmd/podman/main.go
+++ b/cmd/podman/main.go
@@ -18,6 +18,7 @@ import (
_ "github.com/containers/podman/v4/cmd/podman/secrets"
_ "github.com/containers/podman/v4/cmd/podman/system"
_ "github.com/containers/podman/v4/cmd/podman/system/connection"
+ "github.com/containers/podman/v4/cmd/podman/validate"
_ "github.com/containers/podman/v4/cmd/podman/volumes"
"github.com/containers/podman/v4/pkg/domain/entities"
"github.com/containers/podman/v4/pkg/rootless"
@@ -64,8 +65,8 @@ func parseCommands() *cobra.Command {
c.Command.Hidden = true
// overwrite persistent pre/post function to skip setup
- c.Command.PersistentPostRunE = noop
- c.Command.PersistentPreRunE = noop
+ c.Command.PersistentPostRunE = validate.NoOp
+ c.Command.PersistentPreRunE = validate.NoOp
addCommand(c)
continue
}
@@ -120,7 +121,3 @@ func addCommand(c registry.CliCommand) {
c.Command.SetUsageTemplate(usageTemplate)
c.Command.DisableFlagsInUseLine = true
}
-
-func noop(cmd *cobra.Command, args []string) error {
- return nil
-}
diff --git a/cmd/podman/system/connection.go b/cmd/podman/system/connection.go
index 5164de78c..5dbe50fc9 100644
--- a/cmd/podman/system/connection.go
+++ b/cmd/podman/system/connection.go
@@ -7,18 +7,15 @@ import (
)
var (
- // Skip creating engines since this command will obtain connection information to said engines
- noOp = func(cmd *cobra.Command, args []string) error {
- return nil
- }
-
+ // ConnectionCmd skips creating engines (PersistentPreRunE/PersistentPostRunE are No-Op's) since
+ // sub-commands will obtain connection information to said engines
ConnectionCmd = &cobra.Command{
Use: "connection",
- Short: "Manage remote ssh destinations",
- Long: `Manage ssh destination information in podman configuration`,
- PersistentPreRunE: noOp,
+ Short: "Manage remote API service destinations",
+ Long: `Manage remote API service destination information in podman configuration`,
+ PersistentPreRunE: validate.NoOp,
RunE: validate.SubCommandExists,
- PersistentPostRunE: noOp,
+ PersistentPostRunE: validate.NoOp,
TraverseChildren: false,
}
)
diff --git a/cmd/podman/validate/noop.go b/cmd/podman/validate/noop.go
new file mode 100644
index 000000000..2243ef5c4
--- /dev/null
+++ b/cmd/podman/validate/noop.go
@@ -0,0 +1,9 @@
+package validate
+
+import (
+ "github.com/spf13/cobra"
+)
+
+func NoOp(_ *cobra.Command, _ []string) error {
+ return nil
+}
diff --git a/libpod/events/config.go b/libpod/events/config.go
index 35680a275..00cdca007 100644
--- a/libpod/events/config.go
+++ b/libpod/events/config.go
@@ -17,6 +17,8 @@ const (
Journald EventerType = iota
// Null is a no-op events logger. It does not read or write events.
Null EventerType = iota
+ // Memory indicates the event logger will hold events in memory
+ Memory EventerType = iota
)
// Event describes the attributes of a libpod event
@@ -55,7 +57,7 @@ type Details struct {
// EventerOptions describe options that need to be passed to create
// an eventer
type EventerOptions struct {
- // EventerType describes whether to use journald or a file
+ // EventerType describes whether to use journald, file or memory
EventerType string
// LogFilePath is the path to where the log file should reside if using
// the file logger
@@ -110,6 +112,8 @@ const (
System Type = "system"
// Volume - event is related to volumes
Volume Type = "volume"
+ // Machine - event is related to machine VM's
+ Machine Type = "machine"
// Attach ...
Attach Status = "attach"
diff --git a/libpod/events/events.go b/libpod/events/events.go
index 1745095fb..04417fd8d 100644
--- a/libpod/events/events.go
+++ b/libpod/events/events.go
@@ -20,6 +20,8 @@ func (et EventerType) String() string {
return "file"
case Journald:
return "journald"
+ case Memory:
+ return "memory"
case Null:
return "none"
default:
@@ -34,6 +36,8 @@ func IsValidEventer(eventer string) bool {
return true
case Journald.String():
return true
+ case Memory.String():
+ return true
case Null.String():
return true
default:
@@ -41,7 +45,7 @@ func IsValidEventer(eventer string) bool {
}
}
-// NewEvent creates a event struct and populates with
+// NewEvent creates an event struct and populates with
// the given status and time.
func NewEvent(status Status) Event {
return Event{
@@ -63,7 +67,7 @@ func (e *Event) ToJSONString() (string, error) {
return string(b), err
}
-// ToHumanReadable returns human readable event as a formatted string
+// ToHumanReadable returns human-readable event as a formatted string
func (e *Event) ToHumanReadable(truncate bool) string {
var humanFormat string
id := e.ID
@@ -90,7 +94,7 @@ func (e *Event) ToHumanReadable(truncate bool) string {
} else {
humanFormat = fmt.Sprintf("%s %s %s", e.Time, e.Type, e.Status)
}
- case Volume:
+ case Volume, Machine:
humanFormat = fmt.Sprintf("%s %s %s %s", e.Time, e.Type, e.Status, e.Name)
}
return humanFormat
@@ -99,19 +103,19 @@ func (e *Event) ToHumanReadable(truncate bool) string {
// NewEventFromString takes stringified json and converts
// it to an event
func newEventFromJSONString(event string) (*Event, error) {
- e := Event{}
- if err := json.Unmarshal([]byte(event), &e); err != nil {
+ e := new(Event)
+ if err := json.Unmarshal([]byte(event), e); err != nil {
return nil, err
}
- return &e, nil
+ return e, nil
}
-// ToString converts a Type to a string
+// String converts a Type to a string
func (t Type) String() string {
return string(t)
}
-// ToString converts a status to a string
+// String converts a status to a string
func (s Status) String() string {
return string(s)
}
@@ -123,6 +127,8 @@ func StringToType(name string) (Type, error) {
return Container, nil
case Image.String():
return Image, nil
+ case Machine.String():
+ return Machine, nil
case Network.String():
return Network, nil
case Pod.String():
diff --git a/libpod/events/events_linux.go b/libpod/events/events_linux.go
index 482d7d6dd..4320f2190 100644
--- a/libpod/events/events_linux.go
+++ b/libpod/events/events_linux.go
@@ -21,6 +21,8 @@ func NewEventer(options EventerOptions) (Eventer, error) {
return EventLogFile{options}, nil
case strings.ToUpper(Null.String()):
return NewNullEventer(), nil
+ case strings.ToUpper(Memory.String()):
+ return NewMemoryEventer(), nil
default:
return nil, errors.Errorf("unknown event logger type: %s", strings.ToUpper(options.EventerType))
}
diff --git a/libpod/events/memory.go b/libpod/events/memory.go
new file mode 100644
index 000000000..b3e03d86b
--- /dev/null
+++ b/libpod/events/memory.go
@@ -0,0 +1,49 @@
+package events
+
+import (
+ "context"
+)
+
+// EventMemory is the structure for event writing to a channel. It contains the eventer
+// options and the event itself. Methods for reading and writing are also defined from it.
+type EventMemory struct {
+ options EventerOptions
+ elements chan *Event
+}
+
+// Write event to memory queue
+func (e EventMemory) Write(event Event) (err error) {
+ e.elements <- &event
+ return
+}
+
+// Read event(s) from memory queue
+func (e EventMemory) Read(ctx context.Context, options ReadOptions) (err error) {
+ select {
+ case <-ctx.Done():
+ return
+ default:
+ }
+
+ select {
+ case event := <-e.elements:
+ options.EventChannel <- event
+ default:
+ }
+ return nil
+}
+
+// String returns eventer type
+func (e EventMemory) String() string {
+ return e.options.EventerType
+}
+
+// NewMemoryEventer returns configured MemoryEventer
+func NewMemoryEventer() Eventer {
+ return EventMemory{
+ options: EventerOptions{
+ EventerType: Memory.String(),
+ },
+ elements: make(chan *Event, 100),
+ }
+}
diff --git a/test/e2e/common_test.go b/test/e2e/common_test.go
index a61ef8640..28991af7f 100644
--- a/test/e2e/common_test.go
+++ b/test/e2e/common_test.go
@@ -6,6 +6,7 @@ import (
"io/ioutil"
"math/rand"
"net"
+ "net/url"
"os"
"os/exec"
"path/filepath"
@@ -1063,3 +1064,36 @@ func digShort(container, lookupName string, matchNames []string, p *PodmanTestIn
}
Fail("dns is not responding")
}
+
+// WaitForFile to be created in defaultWaitTimeout seconds, returns false if file not created
+func WaitForFile(path string) (err error) {
+ until := time.Now().Add(time.Duration(defaultWaitTimeout) * time.Second)
+ for i := 1; time.Now().Before(until); i++ {
+ _, err = os.Stat(path)
+ switch {
+ case err == nil:
+ return nil
+ case errors.Is(err, os.ErrNotExist):
+ time.Sleep(time.Duration(i) * time.Second)
+ default:
+ return err
+ }
+ }
+ return err
+}
+
+// WaitForService blocks, waiting for some service listening on given host:port
+func WaitForService(address url.URL) {
+ // Wait for podman to be ready
+ var conn net.Conn
+ var err error
+ for i := 1; i <= 5; i++ {
+ conn, err = net.Dial("tcp", address.Host)
+ if err != nil {
+ // Podman not available yet...
+ time.Sleep(time.Duration(i) * time.Second)
+ }
+ }
+ Expect(err).ShouldNot(HaveOccurred())
+ conn.Close()
+}
diff --git a/test/e2e/system_service_test.go b/test/e2e/system_service_test.go
index 2bc7756d6..4c16ea788 100644
--- a/test/e2e/system_service_test.go
+++ b/test/e2e/system_service_test.go
@@ -122,22 +122,6 @@ var _ = Describe("podman system service", func() {
})
})
-// WaitForService blocks, waiting for some service listening on given host:port
-func WaitForService(address url.URL) {
- // Wait for podman to be ready
- var conn net.Conn
- var err error
- for i := 1; i <= 5; i++ {
- conn, err = net.Dial("tcp", address.Host)
- if err != nil {
- // Podman not available yet...
- time.Sleep(time.Duration(i) * time.Second)
- }
- }
- Expect(err).ShouldNot(HaveOccurred())
- conn.Close()
-}
-
// randomPort leans on the go net library to find an available port...
func randomPort() string {
port, err := utils.GetRandomPort()
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-26 20:15:36 +0000