diff options
Diffstat (limited to 'cmd/podman')
-rw-r--r-- | cmd/podman/machine/init.go | 4 | ||||
-rw-r--r-- | cmd/podman/machine/inspect.go | 1 | ||||
-rw-r--r-- | cmd/podman/machine/list.go | 1 | ||||
-rw-r--r-- | cmd/podman/machine/machine.go | 132 | ||||
-rw-r--r-- | cmd/podman/machine/rm.go | 10 | ||||
-rw-r--r-- | cmd/podman/machine/start.go | 4 | ||||
-rw-r--r-- | cmd/podman/machine/stop.go | 2 | ||||
-rw-r--r-- | cmd/podman/main.go | 9 | ||||
-rw-r--r-- | cmd/podman/system/connection.go | 15 | ||||
-rw-r--r-- | cmd/podman/validate/noop.go | 9 |
10 files changed, 162 insertions, 25 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 +} |