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Diffstat (limited to 'cmd/podman/system')
-rw-r--r--cmd/podman/system/events.go103
-rw-r--r--cmd/podman/system/info.go73
-rw-r--r--cmd/podman/system/service.go124
-rw-r--r--cmd/podman/system/system.go25
-rw-r--r--cmd/podman/system/varlink.go52
-rw-r--r--cmd/podman/system/version.go121
6 files changed, 498 insertions, 0 deletions
diff --git a/cmd/podman/system/events.go b/cmd/podman/system/events.go
new file mode 100644
index 000000000..3c1943b55
--- /dev/null
+++ b/cmd/podman/system/events.go
@@ -0,0 +1,103 @@
+package system
+
+import (
+ "bufio"
+ "context"
+ "html/template"
+ "os"
+
+ "github.com/containers/buildah/pkg/formats"
+ "github.com/containers/libpod/cmd/podman/registry"
+ "github.com/containers/libpod/libpod/events"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/pkg/errors"
+ "github.com/spf13/cobra"
+)
+
+var (
+ eventsDescription = "Monitor podman events"
+ eventsCommand = &cobra.Command{
+ Use: "events",
+ Args: cobra.NoArgs,
+ Short: "Show podman events",
+ Long: eventsDescription,
+ RunE: eventsCmd,
+ Example: `podman events
+ podman events --filter event=create
+ podman events --since 1h30s`,
+ }
+)
+
+var (
+ eventOptions entities.EventsOptions
+ eventFormat string
+)
+
+func init() {
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: eventsCommand,
+ })
+ flags := eventsCommand.Flags()
+ flags.StringArrayVar(&eventOptions.Filter, "filter", []string{}, "filter output")
+ flags.StringVar(&eventFormat, "format", "", "format the output using a Go template")
+ flags.BoolVar(&eventOptions.Stream, "stream", true, "stream new events; for testing only")
+ flags.StringVar(&eventOptions.Since, "since", "", "show all events created since timestamp")
+ flags.StringVar(&eventOptions.Until, "until", "", "show all events until timestamp")
+ _ = flags.MarkHidden("stream")
+}
+
+func eventsCmd(cmd *cobra.Command, args []string) error {
+ var (
+ err error
+ eventsError error
+ tmpl *template.Template
+ )
+ if eventFormat != formats.JSONString {
+ tmpl, err = template.New("events").Parse(eventFormat)
+ if err != nil {
+ return err
+ }
+ }
+ if len(eventOptions.Since) > 0 || len(eventOptions.Until) > 0 {
+ eventOptions.FromStart = true
+ }
+ eventChannel := make(chan *events.Event)
+ eventOptions.EventChan = eventChannel
+
+ go func() {
+ eventsError = registry.ContainerEngine().Events(context.Background(), eventOptions)
+ }()
+ if eventsError != nil {
+ return eventsError
+ }
+
+ w := bufio.NewWriter(os.Stdout)
+ for event := range eventChannel {
+ switch {
+ case eventFormat == formats.JSONString:
+ jsonStr, err := event.ToJSONString()
+ if err != nil {
+ return errors.Wrapf(err, "unable to format json")
+ }
+ if _, err := w.Write([]byte(jsonStr)); err != nil {
+ return err
+ }
+ case len(eventFormat) > 0:
+ if err := tmpl.Execute(w, event); err != nil {
+ return err
+ }
+ default:
+ if _, err := w.Write([]byte(event.ToHumanReadable())); err != nil {
+ return err
+ }
+ }
+ if _, err := w.Write([]byte("\n")); err != nil {
+ return err
+ }
+ if err := w.Flush(); err != nil {
+ return err
+ }
+ }
+ return nil
+}
diff --git a/cmd/podman/system/info.go b/cmd/podman/system/info.go
new file mode 100644
index 000000000..aa0a66ffc
--- /dev/null
+++ b/cmd/podman/system/info.go
@@ -0,0 +1,73 @@
+package system
+
+import (
+ "encoding/json"
+ "fmt"
+ "os"
+ "text/template"
+
+ "github.com/containers/libpod/cmd/podman/registry"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/spf13/cobra"
+ "gopkg.in/yaml.v2"
+)
+
+var (
+ infoDescription = `Display information pertaining to the host, current storage stats, and build of podman.
+
+ Useful for the user and when reporting issues.
+`
+ infoCommand = &cobra.Command{
+ Use: "info",
+ Args: cobra.NoArgs,
+ Long: infoDescription,
+ Short: "Display podman system information",
+ RunE: info,
+ Example: `podman info`,
+ }
+)
+
+var (
+ inFormat string
+ debug bool
+)
+
+func init() {
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: infoCommand,
+ })
+ flags := infoCommand.Flags()
+ flags.BoolVarP(&debug, "debug", "D", false, "Display additional debug information")
+ flags.StringVarP(&inFormat, "format", "f", "", "Change the output format to JSON or a Go template")
+}
+
+func info(cmd *cobra.Command, args []string) error {
+ info, err := registry.ContainerEngine().Info(registry.GetContext())
+ if err != nil {
+ return err
+ }
+
+ if inFormat == "json" {
+ b, err := json.MarshalIndent(info, "", " ")
+ if err != nil {
+ return err
+ }
+ fmt.Println(string(b))
+ return nil
+ }
+ if !cmd.Flag("format").Changed {
+ b, err := yaml.Marshal(info)
+ if err != nil {
+ return err
+ }
+ fmt.Println(string(b))
+ return nil
+ }
+ tmpl, err := template.New("info").Parse(inFormat)
+ if err != nil {
+ return err
+ }
+ err = tmpl.Execute(os.Stdout, info)
+ return err
+}
diff --git a/cmd/podman/system/service.go b/cmd/podman/system/service.go
new file mode 100644
index 000000000..fa1a33faa
--- /dev/null
+++ b/cmd/podman/system/service.go
@@ -0,0 +1,124 @@
+package system
+
+import (
+ "fmt"
+ "os"
+ "path/filepath"
+ "time"
+
+ "github.com/containers/libpod/cmd/podman/registry"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/containers/libpod/pkg/rootless"
+ "github.com/containers/libpod/pkg/systemd"
+ "github.com/containers/libpod/pkg/util"
+ "github.com/sirupsen/logrus"
+ "github.com/spf13/cobra"
+)
+
+var (
+ srvDescription = `Run an API service
+
+Enable a listening service for API access to Podman commands.
+`
+
+ srvCmd = &cobra.Command{
+ Use: "service [flags] [URI]",
+ Args: cobra.MaximumNArgs(1),
+ Short: "Run API service",
+ Long: srvDescription,
+ RunE: service,
+ Example: `podman system service --time=0 unix:///tmp/podman.sock
+ podman system service --varlink --time=0 unix:///tmp/podman.sock`,
+ }
+
+ srvArgs = struct {
+ Timeout int64
+ Varlink bool
+ }{}
+)
+
+func init() {
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode},
+ Command: srvCmd,
+ Parent: systemCmd,
+ })
+
+ flags := srvCmd.Flags()
+ flags.Int64VarP(&srvArgs.Timeout, "time", "t", 5, "Time until the service session expires in seconds. Use 0 to disable the timeout")
+ flags.Int64Var(&srvArgs.Timeout, "timeout", 5, "Time until the service session expires in seconds. Use 0 to disable the timeout")
+ flags.BoolVar(&srvArgs.Varlink, "varlink", false, "Use legacy varlink service instead of REST")
+
+ _ = flags.MarkDeprecated("varlink", "valink API is deprecated.")
+}
+
+func service(cmd *cobra.Command, args []string) error {
+ apiURI, err := resolveApiURI(args)
+ if err != nil {
+ return err
+ }
+ logrus.Infof("using API endpoint: \"%s\"", apiURI)
+
+ opts := entities.ServiceOptions{
+ URI: apiURI,
+ Timeout: time.Duration(srvArgs.Timeout) * time.Second,
+ Command: cmd,
+ }
+
+ if srvArgs.Varlink {
+ return registry.ContainerEngine().VarlinkService(registry.GetContext(), opts)
+ }
+
+ logrus.Warn("This function is EXPERIMENTAL")
+ fmt.Fprintf(os.Stderr, "This function is EXPERIMENTAL.\n")
+ return registry.ContainerEngine().RestService(registry.GetContext(), opts)
+}
+
+func resolveApiURI(_url []string) (string, error) {
+
+ // When determining _*THE*_ listening endpoint --
+ // 1) User input wins always
+ // 2) systemd socket activation
+ // 3) rootless honors XDG_RUNTIME_DIR
+ // 4) if varlink -- adapter.DefaultVarlinkAddress
+ // 5) lastly adapter.DefaultAPIAddress
+
+ if _url == nil {
+ if v, found := os.LookupEnv("PODMAN_SOCKET"); found {
+ _url = []string{v}
+ }
+ }
+
+ switch {
+ case len(_url) > 0:
+ return _url[0], nil
+ case systemd.SocketActivated():
+ logrus.Info("using systemd socket activation to determine API endpoint")
+ return "", nil
+ case rootless.IsRootless():
+ xdg, err := util.GetRuntimeDir()
+ if err != nil {
+ return "", err
+ }
+
+ socketName := "podman.sock"
+ if srvArgs.Varlink {
+ socketName = "io.podman"
+ }
+ socketDir := filepath.Join(xdg, "podman", socketName)
+ if _, err := os.Stat(filepath.Dir(socketDir)); err != nil {
+ if os.IsNotExist(err) {
+ if err := os.Mkdir(filepath.Dir(socketDir), 0755); err != nil {
+ return "", err
+ }
+ } else {
+ return "", err
+ }
+ }
+ return "unix:" + socketDir, nil
+ case srvArgs.Varlink:
+ return registry.DefaultVarlinkAddress, nil
+ default:
+ return registry.DefaultAPIAddress, nil
+ }
+}
diff --git a/cmd/podman/system/system.go b/cmd/podman/system/system.go
new file mode 100644
index 000000000..6d8c9ebc5
--- /dev/null
+++ b/cmd/podman/system/system.go
@@ -0,0 +1,25 @@
+package system
+
+import (
+ "github.com/containers/libpod/cmd/podman/registry"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/spf13/cobra"
+)
+
+var (
+ // Command: podman _system_
+ systemCmd = &cobra.Command{
+ Use: "system",
+ Short: "Manage podman",
+ Long: "Manage podman",
+ TraverseChildren: true,
+ RunE: registry.SubCommandExists,
+ }
+)
+
+func init() {
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: systemCmd,
+ })
+}
diff --git a/cmd/podman/system/varlink.go b/cmd/podman/system/varlink.go
new file mode 100644
index 000000000..c83f5ff76
--- /dev/null
+++ b/cmd/podman/system/varlink.go
@@ -0,0 +1,52 @@
+package system
+
+import (
+ "time"
+
+ "github.com/containers/libpod/cmd/podman/registry"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/spf13/cobra"
+)
+
+var (
+ varlinkDescription = `Run varlink interface. Podman varlink listens on the specified unix domain socket for incoming connects.
+
+ Tools speaking varlink protocol can remotely manage pods, containers and images.
+`
+ varlinkCmd = &cobra.Command{
+ Use: "varlink [flags] [URI]",
+ Args: cobra.MinimumNArgs(1),
+ Short: "Run varlink interface",
+ Long: varlinkDescription,
+ RunE: varlinkE,
+ Example: `podman varlink unix:/run/podman/io.podman
+ podman varlink --timeout 5000 unix:/run/podman/io.podman`,
+ }
+ varlinkArgs = struct {
+ Timeout int64
+ }{}
+)
+
+func init() {
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: varlinkCmd,
+ })
+ flags := varlinkCmd.Flags()
+ flags.Int64VarP(&varlinkArgs.Timeout, "time", "t", 1000, "Time until the varlink session expires in milliseconds. Use 0 to disable the timeout")
+ flags.Int64Var(&varlinkArgs.Timeout, "timeout", 1000, "Time until the varlink session expires in milliseconds. Use 0 to disable the timeout")
+
+}
+
+func varlinkE(cmd *cobra.Command, args []string) error {
+ uri := registry.DefaultVarlinkAddress
+ if len(args) > 0 {
+ uri = args[0]
+ }
+ opts := entities.ServiceOptions{
+ URI: uri,
+ Timeout: time.Duration(varlinkArgs.Timeout) * time.Second,
+ Command: cmd,
+ }
+ return registry.ContainerEngine().VarlinkService(registry.GetContext(), opts)
+}
diff --git a/cmd/podman/system/version.go b/cmd/podman/system/version.go
new file mode 100644
index 000000000..5d3874de3
--- /dev/null
+++ b/cmd/podman/system/version.go
@@ -0,0 +1,121 @@
+package system
+
+import (
+ "fmt"
+ "io"
+ "os"
+ "strings"
+ "text/tabwriter"
+ "time"
+
+ "github.com/containers/buildah/pkg/formats"
+ "github.com/containers/libpod/cmd/podman/registry"
+ "github.com/containers/libpod/libpod/define"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/pkg/errors"
+ "github.com/spf13/cobra"
+)
+
+var (
+ versionCommand = &cobra.Command{
+ Use: "version",
+ Args: cobra.NoArgs,
+ Short: "Display the Podman Version Information",
+ RunE: version,
+ Annotations: map[string]string{
+ registry.ParentNSRequired: "",
+ },
+ }
+ versionFormat string
+)
+
+type versionStruct struct {
+ Client define.Version
+ Server define.Version
+}
+
+func init() {
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: versionCommand,
+ })
+ flags := versionCommand.Flags()
+ flags.StringVarP(&versionFormat, "format", "f", "", "Change the output format to JSON or a Go template")
+}
+
+func version(cmd *cobra.Command, args []string) error {
+ var (
+ v versionStruct
+ err error
+ )
+ v.Client, err = define.GetVersion()
+ if err != nil {
+ return errors.Wrapf(err, "unable to determine version")
+ }
+ // TODO we need to discuss how to implement
+ // this more. current endpoints dont have a
+ // version endpoint. maybe we use info?
+ //if remote {
+ // v.Server, err = getRemoteVersion(c)
+ // if err != nil {
+ // return err
+ // }
+ //} else {
+ v.Server = v.Client
+ //}
+
+ versionOutputFormat := versionFormat
+ if versionOutputFormat != "" {
+ if strings.Join(strings.Fields(versionOutputFormat), "") == "{{json.}}" {
+ versionOutputFormat = formats.JSONString
+ }
+ var out formats.Writer
+ switch versionOutputFormat {
+ case formats.JSONString:
+ out = formats.JSONStruct{Output: v}
+ return out.Out()
+ default:
+ out = formats.StdoutTemplate{Output: v, Template: versionOutputFormat}
+ err := out.Out()
+ if err != nil {
+ // On Failure, assume user is using older version of podman version --format and check client
+ out = formats.StdoutTemplate{Output: v.Client, Template: versionOutputFormat}
+ if err1 := out.Out(); err1 != nil {
+ return err
+ }
+ }
+ }
+ return nil
+ }
+ w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
+ defer w.Flush()
+
+ if registry.IsRemote() {
+ if _, err := fmt.Fprintf(w, "Client:\n"); err != nil {
+ return err
+ }
+ formatVersion(w, v.Client)
+ if _, err := fmt.Fprintf(w, "\nServer:\n"); err != nil {
+ return err
+ }
+ formatVersion(w, v.Server)
+ } else {
+ formatVersion(w, v.Client)
+ }
+ return nil
+}
+
+func formatVersion(writer io.Writer, version define.Version) {
+ fmt.Fprintf(writer, "Version:\t%s\n", version.Version)
+ fmt.Fprintf(writer, "RemoteAPI Version:\t%d\n", version.RemoteAPIVersion)
+ fmt.Fprintf(writer, "Go Version:\t%s\n", version.GoVersion)
+ if version.GitCommit != "" {
+ fmt.Fprintf(writer, "Git Commit:\t%s\n", version.GitCommit)
+ }
+ // Prints out the build time in readable format
+ if version.Built != 0 {
+ fmt.Fprintf(writer, "Built:\t%s\n", time.Unix(version.Built, 0).Format(time.ANSIC))
+ }
+
+ fmt.Fprintf(writer, "OS/Arch:\t%s\n", version.OsArch)
+}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-07 21:57:35 +0000