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Diffstat (limited to 'cmd/podman/containers/ps.go')
-rw-r--r--cmd/podman/containers/ps.go169
1 files changed, 125 insertions, 44 deletions
diff --git a/cmd/podman/containers/ps.go b/cmd/podman/containers/ps.go
index 41d309f51..90f4db19c 100644
--- a/cmd/podman/containers/ps.go
+++ b/cmd/podman/containers/ps.go
@@ -11,9 +11,8 @@ import (
"time"
tm "github.com/buger/goterm"
- "github.com/containers/podman/v2/cmd/podman/parse"
+ "github.com/containers/common/pkg/report"
"github.com/containers/podman/v2/cmd/podman/registry"
- "github.com/containers/podman/v2/cmd/podman/report"
"github.com/containers/podman/v2/cmd/podman/utils"
"github.com/containers/podman/v2/cmd/podman/validate"
"github.com/containers/podman/v2/pkg/domain/entities"
@@ -27,7 +26,7 @@ import (
var (
psDescription = "Prints out information about the containers"
psCommand = &cobra.Command{
- Use: "ps",
+ Use: "ps [options]",
Args: validate.NoArgs,
Short: "List containers",
Long: psDescription,
@@ -92,7 +91,7 @@ func checkFlags(c *cobra.Command) error {
if listOpts.Size || listOpts.Namespace {
return errors.Errorf("quiet conflicts with size and namespace")
}
- if c.Flag("format").Changed && !parse.MatchesJSONFormat(listOpts.Format) {
+ if c.Flag("format").Changed && !report.IsJSON(listOpts.Format) {
// Quiet is overridden by Go template output.
listOpts.Quiet = false
}
@@ -179,7 +178,7 @@ func ps(cmd *cobra.Command, args []string) error {
}
switch {
- case parse.MatchesJSONFormat(listOpts.Format):
+ case report.IsJSON(listOpts.Format):
return jsonOut(listContainers)
case listOpts.Quiet:
return quietOut(listContainers)
@@ -371,12 +370,6 @@ func (l psReporter) CreatedHuman() string {
// 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
- }
- portDisplay := []string{}
-
if len(ports) == 0 {
return ""
}
@@ -385,41 +378,124 @@ func portsToString(ports []ocicni.PortMapping) string {
return comparePorts(ports[i], ports[j])
})
- // portGroupMap is used for grouping continuous ports.
- portGroupMap := make(map[string]*portGroup)
- var groupKeyList []string
+ portGroups := [][]ocicni.PortMapping{}
+ currentGroup := []ocicni.PortMapping{}
+ for i, v := range ports {
+ var prevPort, nextPort *int32
+ if i > 0 {
+ prevPort = &ports[i-1].ContainerPort
+ }
+ if i+1 < len(ports) {
+ nextPort = &ports[i+1].ContainerPort
+ }
- for _, v := range ports {
+ port := v.ContainerPort
- hostIP := v.HostIP
- if hostIP == "" {
- hostIP = "0.0.0.0"
+ // Helper functions
+ addToCurrentGroup := func(x ocicni.PortMapping) {
+ currentGroup = append(currentGroup, x)
}
- // 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
+
+ addToPortGroup := func(x ocicni.PortMapping) {
+ portGroups = append(portGroups, []ocicni.PortMapping{x})
+ }
+
+ finishCurrentGroup := func() {
+ portGroups = append(portGroups, currentGroup)
+ currentGroup = []ocicni.PortMapping{}
}
- portMapKey := fmt.Sprintf("%s/%s", hostIP, v.Protocol)
+ // Single entry slice
+ if prevPort == nil && nextPort == nil {
+ addToPortGroup(v)
+ }
+
+ // Start of the slice with len > 0
+ if prevPort == nil && nextPort != nil {
+ isGroup := *nextPort-1 == port
+
+ if isGroup {
+ // Start with a group
+ addToCurrentGroup(v)
+ } else {
+ // Start with single item
+ addToPortGroup(v)
+ }
- 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
+ // Middle of the slice with len > 0
+ if prevPort != nil && nextPort != nil {
+ currentIsGroup := *prevPort+1 == port
+ nextIsGroup := *nextPort-1 == port
+
+ if currentIsGroup {
+ // Maybe in the middle of a group
+ addToCurrentGroup(v)
+
+ if !nextIsGroup {
+ // End of a group
+ finishCurrentGroup()
+ }
+ } else if nextIsGroup {
+ // Start of a new group
+ addToCurrentGroup(v)
+ } else {
+ // No group at all
+ addToPortGroup(v)
+ }
+
continue
}
+
+ // End of the slice with len > 0
+ if prevPort != nil && nextPort == nil {
+ isGroup := *prevPort+1 == port
+
+ if isGroup {
+ // End group
+ addToCurrentGroup(v)
+ finishCurrentGroup()
+ } else {
+ // End single item
+ addToPortGroup(v)
+ }
+ }
}
- // For each portMapKey, format group list and append to output string.
- for _, portKey := range groupKeyList {
- group := portGroupMap[portKey]
- portDisplay = append(portDisplay, formatGroup(portKey, group.first, group.last))
+
+ portDisplay := []string{}
+ for _, group := range portGroups {
+ if len(group) == 0 {
+ // Usually should not happen, but better do not crash.
+ continue
+ }
+
+ first := group[0]
+
+ hostIP := first.HostIP
+ if hostIP == "" {
+ hostIP = "0.0.0.0"
+ }
+
+ // Single mappings
+ if len(group) == 1 {
+ portDisplay = append(portDisplay,
+ fmt.Sprintf(
+ "%s:%d->%d/%s",
+ hostIP, first.HostPort, first.ContainerPort, first.Protocol,
+ ),
+ )
+ continue
+ }
+
+ // Group mappings
+ last := group[len(group)-1]
+ portDisplay = append(portDisplay, formatGroup(
+ fmt.Sprintf("%s/%s", hostIP, first.Protocol),
+ first.HostPort, last.HostPort,
+ first.ContainerPort, last.ContainerPort,
+ ))
}
return strings.Join(portDisplay, ", ")
}
@@ -440,9 +516,10 @@ func comparePorts(i, j ocicni.PortMapping) bool {
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 {
+// formatGroup returns the group in the format:
+// <IP:firstHost:lastHost->firstCtr:lastCtr/Proto>
+// e.g 0.0.0.0:1000-1006->2000-2006/tcp.
+func formatGroup(key string, firstHost, lastHost, firstCtr, lastCtr int32) string {
parts := strings.Split(key, "/")
groupType := parts[0]
var ip string
@@ -450,12 +527,16 @@ func formatGroup(key string, start, last int32) string {
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)
+
+ group := func(first, last int32) string {
+ group := strconv.Itoa(int(first))
+ if first != last {
+ group = fmt.Sprintf("%s-%d", group, last)
+ }
+ return group
}
- return fmt.Sprintf("%s/%s", group, groupType)
+ hostGroup := group(firstHost, lastHost)
+ ctrGroup := group(firstCtr, lastCtr)
+
+ return fmt.Sprintf("%s:%s->%s/%s", ip, hostGroup, ctrGroup, groupType)
}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-29 20:00:27 +0000