From 830f3a4462953b3698a21031db3964d0f0ae63b3 Mon Sep 17 00:00:00 2001
From: Brent Baude <bbaude@redhat.com>
Date: Tue, 14 Apr 2020 09:02:28 -0500
Subject: v2podman ps revert structure changes
reverting name changes to the listcontainer structure because it negatively impacted the direct consumption of the restful API. instead we now use a local structure in the CLI to modify the output as needed.
Signed-off-by: Brent Baude <bbaude@redhat.com>
---
cmd/podmanV2/containers/ps.go | 205 ++++++++++++++++++++++++++++++++++++++----
1 file changed, 189 insertions(+), 16 deletions(-)
(limited to 'cmd')
diff --git a/cmd/podmanV2/containers/ps.go b/cmd/podmanV2/containers/ps.go
index 8c1d44842..8ebbf6ebf 100644
--- a/cmd/podmanV2/containers/ps.go
+++ b/cmd/podmanV2/containers/ps.go
@@ -4,6 +4,8 @@ import (
"encoding/json"
"fmt"
"os"
+ "sort"
+ "strconv"
"strings"
"text/tabwriter"
"text/template"
@@ -13,6 +15,8 @@ import (
"github.com/containers/buildah/pkg/formats"
"github.com/containers/libpod/cmd/podmanV2/registry"
"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"
)
@@ -134,6 +138,7 @@ func getResponses() ([]entities.ListContainer, error) {
}
func ps(cmd *cobra.Command, args []string) error {
+ var responses []psReporter
for _, f := range filters {
split := strings.SplitN(f, "=", 2)
if len(split) == 1 {
@@ -141,22 +146,27 @@ func ps(cmd *cobra.Command, args []string) error {
}
listOpts.Filters[split[0]] = append(listOpts.Filters[split[0]], split[1])
}
- responses, err := getResponses()
+ listContainers, err := getResponses()
if err != nil {
return err
}
if len(listOpts.Sort) > 0 {
- responses, err = entities.SortPsOutput(listOpts.Sort, responses)
+ listContainers, err = entities.SortPsOutput(listOpts.Sort, listContainers)
if err != nil {
return err
}
}
if listOpts.Format == "json" {
- return jsonOut(responses)
+ return jsonOut(listContainers)
}
if listOpts.Quiet {
- return quietOut(responses)
+ return quietOut(listContainers)
+ }
+
+ for _, r := range listContainers {
+ responses = append(responses, psReporter{r})
}
+
headers, row := createPsOut()
if cmd.Flag("format").Changed {
row = listOpts.Format
@@ -175,10 +185,14 @@ func ps(cmd *cobra.Command, args []string) error {
w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
if listOpts.Watch > 0 {
for {
+ var responses []psReporter
tm.Clear()
tm.MoveCursor(1, 1)
tm.Flush()
- responses, err := getResponses()
+ listContainers, err := getResponses()
+ for _, r := range listContainers {
+ responses = append(responses, psReporter{r})
+ }
if err != nil {
return err
}
@@ -210,21 +224,12 @@ func createPsOut() (string, string) {
return headers, row
}
headers := defaultHeaders
- if noTrunc {
- row += "{{.ID}}"
- } else {
- row += "{{slice .ID 0 12}}"
- }
+ row += "{{.ID}}"
row += "\t{{.Image}}\t{{.Command}}\t{{.CreatedHuman}}\t{{.State}}\t{{.Ports}}\t{{.Names}}"
if listOpts.Pod {
headers += "\tPOD ID\tPODNAME"
- if noTrunc {
- row += "\t{{.Pod}}"
- } else {
- row += "\t{{slice .Pod 0 12}}"
- }
- row += "\t{{.PodName}}"
+ row += "\t{{.Pod}}\t{{.PodName}}"
}
if listOpts.Size {
@@ -239,3 +244,171 @@ func createPsOut() (string, string) {
}
return headers, row
}
+
+type psReporter struct {
+ entities.ListContainer
+}
+
+// ID returns the ID of the container
+func (l psReporter) ID() string {
+ if !noTrunc {
+ return l.ListContainer.ID[0:12]
+ }
+ return l.ListContainer.ID
+}
+
+// Pod returns the ID of the pod the container
+// belongs to and appropriately truncates the ID
+func (l psReporter) Pod() string {
+ if !noTrunc && len(l.ListContainer.Pod) > 0 {
+ return l.ListContainer.Pod[0:12]
+ }
+ return l.ListContainer.Pod
+}
+
+// State returns the container state in human duration
+func (l psReporter) State() string {
+ var state string
+ switch l.ListContainer.State {
+ case "running":
+ t := units.HumanDuration(time.Since(time.Unix(l.StartedAt, 0)))
+ state = "Up " + t + " ago"
+ case "configured":
+ state = "Created"
+ case "exited", "stopped":
+ t := units.HumanDuration(time.Since(time.Unix(l.ExitedAt, 0)))
+ state = fmt.Sprintf("Exited (%d) %s ago", l.ExitCode, t)
+ default:
+ state = l.ListContainer.State
+ }
+ return state
+}
+
+// Command returns the container command in string format
+func (l psReporter) Command() string {
+ return strings.Join(l.ListContainer.Command, " ")
+}
+
+// Size returns the rootfs and virtual sizes in human duration in
+// and output form (string) suitable for ps
+func (l psReporter) Size() string {
+ virt := units.HumanSizeWithPrecision(float64(l.ListContainer.Size.RootFsSize), 3)
+ s := units.HumanSizeWithPrecision(float64(l.ListContainer.Size.RwSize), 3)
+ return fmt.Sprintf("%s (virtual %s)", s, virt)
+}
+
+// Names returns the container name in string format
+func (l psReporter) Names() string {
+ return l.ListContainer.Names[0]
+}
+
+// Ports converts from Portmappings to the string form
+// required by ps
+func (l psReporter) Ports() string {
+ if len(l.ListContainer.Ports) < 1 {
+ return ""
+ }
+ return portsToString(l.ListContainer.Ports)
+}
+
+// CreatedAt returns the container creation time in string format. podman
+// and docker both return a timestamped value for createdat
+func (l psReporter) CreatedAt() string {
+ return time.Unix(l.Created, 0).String()
+}
+
+// CreateHuman allows us to output the created time in human readable format
+func (l psReporter) CreatedHuman() string {
+ return units.HumanDuration(time.Since(time.Unix(l.Created, 0))) + " ago"
+}
+
+// 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)
+}
--
cgit v1.2.3-54-g00ecf