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-rw-r--r--cmd/podmanV2/containers/ps.go370
-rw-r--r--cmd/podmanV2/pods/ps.go4
2 files changed, 362 insertions, 12 deletions
diff --git a/cmd/podmanV2/containers/ps.go b/cmd/podmanV2/containers/ps.go
index ce3d66c51..2397eb8c0 100644
--- a/cmd/podmanV2/containers/ps.go
+++ b/cmd/podmanV2/containers/ps.go
@@ -1,29 +1,379 @@
package containers
import (
+ "encoding/json"
+ "fmt"
+ "os"
+ "sort"
+ "strconv"
"strings"
+ "text/tabwriter"
+ "text/template"
+ "time"
+ tm "github.com/buger/goterm"
+ "github.com/containers/buildah/pkg/formats"
+ "github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/cmd/podmanV2/registry"
+ "github.com/containers/libpod/cmd/podmanV2/report"
"github.com/containers/libpod/pkg/domain/entities"
+ "github.com/cri-o/ocicni/pkg/ocicni"
+ "github.com/docker/go-units"
+ "github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
- // podman _ps_
- psCmd = &cobra.Command{
- Use: "ps",
- Args: cobra.NoArgs,
- Short: listCmd.Short,
- Long: listCmd.Long,
- PersistentPreRunE: preRunE,
- RunE: containers,
- Example: strings.Replace(listCmd.Example, "container list", "ps", -1),
+ psDescription = "Prints out information about the containers"
+ psCommand = &cobra.Command{
+ Use: "ps",
+ Args: checkFlags,
+ Short: "List containers",
+ Long: psDescription,
+ RunE: ps,
+ PreRunE: preRunE,
+ Example: `podman ps -a
+ podman ps -a --format "{{.ID}} {{.Image}} {{.Labels}} {{.Mounts}}"
+ podman ps --size --sort names`,
}
)
+var (
+ listOpts = entities.ContainerListOptions{
+ Filters: make(map[string][]string),
+ }
+ filters []string
+ noTrunc bool
+ defaultHeaders string = "CONTAINER ID\tIMAGE\tCOMMAND\tCREATED\tSTATUS\tPORTS\tNAMES"
+
+// CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
+
+)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
- Command: psCmd,
+ Command: psCommand,
+ })
+ flags := psCommand.Flags()
+ flags.BoolVarP(&listOpts.All, "all", "a", false, "Show all the containers, default is only running containers")
+ flags.StringSliceVarP(&filters, "filter", "f", []string{}, "Filter output based on conditions given")
+ flags.StringVar(&listOpts.Format, "format", "", "Pretty-print containers to JSON or using a Go template")
+ flags.IntVarP(&listOpts.Last, "last", "n", -1, "Print the n last created containers (all states)")
+ flags.BoolVarP(&listOpts.Latest, "latest", "l", false, "Show the latest container created (all states)")
+ flags.BoolVar(&listOpts.Namespace, "namespace", false, "Display namespace information")
+ flags.BoolVar(&listOpts.Namespace, "ns", false, "Display namespace information")
+ flags.BoolVar(&noTrunc, "no-trunc", false, "Display the extended information")
+ flags.BoolVarP(&listOpts.Pod, "pod", "p", false, "Print the ID and name of the pod the containers are associated with")
+ flags.BoolVarP(&listOpts.Quiet, "quiet", "q", false, "Print the numeric IDs of the containers only")
+ flags.BoolVarP(&listOpts.Size, "size", "s", false, "Display the total file sizes")
+ flags.StringVar(&listOpts.Sort, "sort", "created", "Sort output by command, created, id, image, names, runningfor, size, or status")
+ flags.BoolVar(&listOpts.Sync, "sync", false, "Sync container state with OCI runtime")
+ flags.UintVarP(&listOpts.Watch, "watch", "w", 0, "Watch the ps output on an interval in seconds")
+ if registry.IsRemote() {
+ _ = flags.MarkHidden("latest")
+ }
+}
+func checkFlags(c *cobra.Command, args []string) error {
+ // latest, and last are mutually exclusive.
+ if listOpts.Last >= 0 && listOpts.Latest {
+ return errors.Errorf("last and latest are mutually exclusive")
+ }
+ // Filter on status forces all
+ for _, filter := range filters {
+ splitFilter := strings.SplitN(filter, "=", 2)
+ if strings.ToLower(splitFilter[0]) == "status" {
+ listOpts.All = true
+ break
+ }
+ }
+ // Quiet conflicts with size and namespace and is overridden by a Go
+ // template.
+ if listOpts.Quiet {
+ if listOpts.Size || listOpts.Namespace {
+ return errors.Errorf("quiet conflicts with size and namespace")
+ }
+ if c.Flag("format").Changed && listOpts.Format != formats.JSONString {
+ // Quiet is overridden by Go template output.
+ listOpts.Quiet = false
+ }
+ }
+ // Size and namespace conflict with each other
+ if listOpts.Size && listOpts.Namespace {
+ return errors.Errorf("size and namespace options conflict")
+ }
+
+ if listOpts.Watch > 0 && listOpts.Latest {
+ return errors.New("the watch and latest flags cannot be used together")
+ }
+ return nil
+}
+
+func jsonOut(responses []entities.ListContainer) error {
+ b, err := json.MarshalIndent(responses, "", " ")
+ if err != nil {
+ return err
+ }
+ fmt.Println(string(b))
+ return nil
+}
+
+func quietOut(responses []entities.ListContainer) error {
+ for _, r := range responses {
+ id := r.ID
+ if !noTrunc {
+ id = id[0:12]
+ }
+ fmt.Println(id)
+ }
+ return nil
+}
+
+func getResponses() ([]entities.ListContainer, error) {
+ responses, err := registry.ContainerEngine().ContainerList(registry.GetContext(), listOpts)
+ if err != nil {
+ return nil, err
+ }
+ if len(listOpts.Sort) > 0 {
+ responses, err = entities.SortPsOutput(listOpts.Sort, responses)
+ if err != nil {
+ return nil, err
+ }
+ }
+ return responses, nil
+}
+
+func ps(cmd *cobra.Command, args []string) error {
+ // []string to map[string][]string
+ for _, f := range filters {
+ split := strings.SplitN(f, "=", 2)
+ if len(split) == 1 {
+ return errors.Errorf("invalid filter %q", f)
+ }
+ listOpts.Filters[split[0]] = append(listOpts.Filters[split[0]], split[1])
+ }
+ responses, err := getResponses()
+ if err != nil {
+ return err
+ }
+ if len(listOpts.Sort) > 0 {
+ responses, err = entities.SortPsOutput(listOpts.Sort, responses)
+ if err != nil {
+ return err
+ }
+ }
+ if listOpts.Format == "json" {
+ return jsonOut(responses)
+ }
+ if listOpts.Quiet {
+ return quietOut(responses)
+ }
+ headers, row := createPsOut()
+ if cmd.Flag("format").Changed {
+ row = listOpts.Format
+ if !strings.HasPrefix(row, "\n") {
+ row += "\n"
+ }
+ }
+ format := "{{range . }}" + row + "{{end}}"
+ if !listOpts.Quiet && !cmd.Flag("format").Changed {
+ format = headers + format
+ }
+ funcs := report.AppendFuncMap(psFuncMap)
+ tmpl, err := template.New("listPods").Funcs(funcs).Parse(format)
+ if err != nil {
+ return err
+ }
+ w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
+ if listOpts.Watch > 0 {
+ for {
+ tm.Clear()
+ tm.MoveCursor(1, 1)
+ tm.Flush()
+ responses, err := getResponses()
+ if err != nil {
+ return err
+ }
+ if err := tmpl.Execute(w, responses); err != nil {
+ return nil
+ }
+ if err := w.Flush(); err != nil {
+ return err
+ }
+ time.Sleep(time.Duration(listOpts.Watch) * time.Second)
+ tm.Clear()
+ tm.MoveCursor(1, 1)
+ tm.Flush()
+ }
+ } else if listOpts.Watch < 1 {
+ if err := tmpl.Execute(w, responses); err != nil {
+ return err
+ }
+ return w.Flush()
+ }
+ return nil
+}
+
+func createPsOut() (string, string) {
+ var row string
+ if listOpts.Namespace {
+ headers := "CONTAINER ID\tNAMES\tPID\tCGROUPNS\tIPC\tMNT\tNET\tPIDN\tUSERNS\tUTS\n"
+ row := "{{.ID}}\t{{names .Names}}\t{{.Pid}}\t{{.Namespaces.Cgroup}}\t{{.Namespaces.IPC}}\t{{.Namespaces.MNT}}\t{{.Namespaces.NET}}\t{{.Namespaces.PIDNS}}\t{{.Namespaces.User}}\t{{.Namespaces.UTS}}\n"
+ return headers, row
+ }
+ headers := defaultHeaders
+ if noTrunc {
+ row += "{{.ID}}"
+ } else {
+ row += "{{slice .ID 0 12}}"
+ }
+ row += "\t{{.Image}}\t{{cmd .Command}}\t{{humanDuration .Created}}\t{{state .}}\t{{ports .Ports}}\t{{names .Names}}"
+
+ if listOpts.Pod {
+ headers += "\tPOD ID\tPODNAME"
+ if noTrunc {
+ row += "\t{{.Pod}}"
+ } else {
+ row += "\t{{slice .Pod 0 12}}"
+ }
+ row += "\t{{.PodName}}"
+ }
+
+ if listOpts.Size {
+ headers += "\tSIZE"
+ row += "\t{{consize .Size}}"
+ }
+ if !strings.HasSuffix(headers, "\n") {
+ headers += "\n"
+ }
+ if !strings.HasSuffix(row, "\n") {
+ row += "\n"
+ }
+ return headers, row
+}
+
+var psFuncMap = template.FuncMap{
+ "cmd": func(conCommand []string) string {
+ return strings.Join(conCommand, " ")
+ },
+ "state": func(con entities.ListContainer) string {
+ var state string
+ switch con.State {
+ case "running":
+ t := units.HumanDuration(time.Since(time.Unix(con.StartedAt, 0)))
+ state = "Up " + t + " ago"
+ case "configured":
+ state = "Created"
+ case "exited":
+ t := units.HumanDuration(time.Since(time.Unix(con.ExitedAt, 0)))
+ state = fmt.Sprintf("Exited (%d) %s ago", con.ExitCode, t)
+ default:
+ state = con.State
+ }
+ return state
+ },
+ "ports": func(ports []ocicni.PortMapping) string {
+ if len(ports) == 0 {
+ return ""
+ }
+ return portsToString(ports)
+ },
+ "names": func(names []string) string {
+ return names[0]
+ },
+ "consize": func(csize shared.ContainerSize) string {
+ virt := units.HumanSizeWithPrecision(float64(csize.RootFsSize), 3)
+ s := units.HumanSizeWithPrecision(float64(csize.RwSize), 3)
+ return fmt.Sprintf("%s (virtual %s)", s, virt)
+ },
+}
+
+// portsToString converts the ports used to a string of the from "port1, port2"
+// and also groups a continuous list of ports into a readable format.
+func portsToString(ports []ocicni.PortMapping) string {
+ type portGroup struct {
+ first int32
+ last int32
+ }
+ var portDisplay []string
+ if len(ports) == 0 {
+ return ""
+ }
+ //Sort the ports, so grouping continuous ports become easy.
+ sort.Slice(ports, func(i, j int) bool {
+ return comparePorts(ports[i], ports[j])
})
+
+ // portGroupMap is used for grouping continuous ports.
+ portGroupMap := make(map[string]*portGroup)
+ var groupKeyList []string
+
+ for _, v := range ports {
+
+ hostIP := v.HostIP
+ if hostIP == "" {
+ hostIP = "0.0.0.0"
+ }
+ // If hostPort and containerPort are not same, consider as individual port.
+ if v.ContainerPort != v.HostPort {
+ portDisplay = append(portDisplay, fmt.Sprintf("%s:%d->%d/%s", hostIP, v.HostPort, v.ContainerPort, v.Protocol))
+ continue
+ }
+
+ portMapKey := fmt.Sprintf("%s/%s", hostIP, v.Protocol)
+
+ portgroup, ok := portGroupMap[portMapKey]
+ if !ok {
+ portGroupMap[portMapKey] = &portGroup{first: v.ContainerPort, last: v.ContainerPort}
+ // This list is required to traverse portGroupMap.
+ groupKeyList = append(groupKeyList, portMapKey)
+ continue
+ }
+
+ if portgroup.last == (v.ContainerPort - 1) {
+ portgroup.last = v.ContainerPort
+ continue
+ }
+ }
+ // For each portMapKey, format group list and appned to output string.
+ for _, portKey := range groupKeyList {
+ group := portGroupMap[portKey]
+ portDisplay = append(portDisplay, formatGroup(portKey, group.first, group.last))
+ }
+ return strings.Join(portDisplay, ", ")
+}
+
+func comparePorts(i, j ocicni.PortMapping) bool {
+ if i.ContainerPort != j.ContainerPort {
+ return i.ContainerPort < j.ContainerPort
+ }
+
+ if i.HostIP != j.HostIP {
+ return i.HostIP < j.HostIP
+ }
+
+ if i.HostPort != j.HostPort {
+ return i.HostPort < j.HostPort
+ }
+
+ return i.Protocol < j.Protocol
+}
+
+// formatGroup returns the group as <IP:startPort:lastPort->startPort:lastPort/Proto>
+// e.g 0.0.0.0:1000-1006->1000-1006/tcp.
+func formatGroup(key string, start, last int32) string {
+ parts := strings.Split(key, "/")
+ groupType := parts[0]
+ var ip string
+ if len(parts) > 1 {
+ ip = parts[0]
+ groupType = parts[1]
+ }
+ group := strconv.Itoa(int(start))
+ if start != last {
+ group = fmt.Sprintf("%s-%d", group, last)
+ }
+ if ip != "" {
+ group = fmt.Sprintf("%s:%s->%s", ip, group, group)
+ }
+ return fmt.Sprintf("%s/%s", group, groupType)
}
diff --git a/cmd/podmanV2/pods/ps.go b/cmd/podmanV2/pods/ps.go
index 9546dff9e..9875263ac 100644
--- a/cmd/podmanV2/pods/ps.go
+++ b/cmd/podmanV2/pods/ps.go
@@ -88,7 +88,7 @@ func pods(cmd *cobra.Command, args []string) error {
fmt.Println(string(b))
return nil
}
- headers, row := createPodPsOut(cmd)
+ headers, row := createPodPsOut()
if psInput.Quiet {
if noTrunc {
row = "{{.Id}}\n"
@@ -123,7 +123,7 @@ func pods(cmd *cobra.Command, args []string) error {
return nil
}
-func createPodPsOut(cmd *cobra.Command) (string, string) {
+func createPodPsOut() (string, string) {
var row string
headers := defaultHeaders
if noTrunc {
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-14 16:14:52 +0000