1 files changed, 161 insertions, 10 deletions
diff --git a/pkg/domain/entities/container_ps.go b/pkg/domain/entities/container_ps.go
index ceafecebc..8a8666ff9 100644
--- a/pkg/domain/entities/container_ps.go
+++ b/pkg/domain/entities/container_ps.go
@@ -1,19 +1,23 @@
 package entities
 
 import (
+	"fmt"
 	"sort"
+	"strconv"
 	"strings"
+	"time"
 
 	"github.com/containers/libpod/cmd/podman/shared"
 	"github.com/containers/libpod/libpod"
 	"github.com/cri-o/ocicni/pkg/ocicni"
+	"github.com/docker/go-units"
 	"github.com/pkg/errors"
 )
 
 // Listcontainer describes a container suitable for listing
 type ListContainer struct {
 	// Container command
-	Command []string
+	Cmd []string
 	// Container creation time
 	Created int64
 	// If container has exited/stopped
@@ -33,7 +37,7 @@ type ListContainer struct {
 	// User volume mounts
 	Mounts []string
 	// The names assigned to the container
-	Names []string
+	ContainerNames []string
 	// Namespaces the container belongs to.  Requires the
 	// namespace boolean to be true
 	Namespaces ListContainerNamespaces
@@ -46,13 +50,69 @@ type ListContainer struct {
 	// boolean to be set
 	PodName string
 	// Port mappings
-	Ports []ocicni.PortMapping
+	PortMappings []ocicni.PortMapping
 	// Size of the container rootfs.  Requires the size boolean to be true
-	Size *shared.ContainerSize
+	ContainerSize *shared.ContainerSize
 	// Time when container started
 	StartedAt int64
 	// State of container
-	State string
+	ContainerState string
+}
+
+// State returns the container state in human duration
+func (l ListContainer) State() string {
+	var state string
+	switch l.ContainerState {
+	case "running":
+		t := units.HumanDuration(time.Since(time.Unix(l.StartedAt, 0)))
+		state = "Up " + t + " ago"
+	case "configured":
+		state = "Created"
+	case "exited":
+		t := units.HumanDuration(time.Since(time.Unix(l.ExitedAt, 0)))
+		state = fmt.Sprintf("Exited (%d) %s ago", l.ExitCode, t)
+	default:
+		state = l.ContainerState
+	}
+	return state
+}
+
+// Command returns the container command in string format
+func (l ListContainer) Command() string {
+	return strings.Join(l.Cmd, " ")
+}
+
+// Size returns the rootfs and virtual sizes in human duration in
+// and output form (string) suitable for ps
+func (l ListContainer) Size() string {
+	virt := units.HumanSizeWithPrecision(float64(l.ContainerSize.RootFsSize), 3)
+	s := units.HumanSizeWithPrecision(float64(l.ContainerSize.RwSize), 3)
+	return fmt.Sprintf("%s (virtual %s)", s, virt)
+}
+
+// Names returns the container name in string format
+func (l ListContainer) Names() string {
+	return l.ContainerNames[0]
+}
+
+// Ports converts from Portmappings to the string form
+// required by ps
+func (l ListContainer) Ports() string {
+	if len(l.PortMappings) < 1 {
+		return ""
+	}
+	return portsToString(l.PortMappings)
+}
+
+// CreatedAt returns the container creation time in string format.  podman
+// and docker both return a timestamped value for createdat
+func (l ListContainer) CreatedAt() string {
+	return time.Unix(l.Created, 0).String()
+}
+
+// CreateHuman allows us to output the created time in human readable format
+func (l ListContainer) CreatedHuman() string {
+	return units.HumanDuration(time.Since(time.Unix(l.Created, 0))) + " ago"
 }
 
 // ListContainer Namespaces contains the identifiers of the container's Linux namespaces
@@ -93,7 +153,7 @@ func (a SortListContainers) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
 type psSortedCommand struct{ SortListContainers }
 
 func (a psSortedCommand) Less(i, j int) bool {
-	return strings.Join(a.SortListContainers[i].Command, " ") < strings.Join(a.SortListContainers[j].Command, " ")
+	return strings.Join(a.SortListContainers[i].Cmd, " ") < strings.Join(a.SortListContainers[j].Cmd, " ")
 }
 
 type psSortedId struct{ SortListContainers }
@@ -111,7 +171,7 @@ func (a psSortedImage) Less(i, j int) bool {
 type psSortedNames struct{ SortListContainers }
 
 func (a psSortedNames) Less(i, j int) bool {
-	return a.SortListContainers[i].Names[0] < a.SortListContainers[j].Names[0]
+	return a.SortListContainers[i].ContainerNames[0] < a.SortListContainers[j].ContainerNames[0]
 }
 
 type psSortedPod struct{ SortListContainers }
@@ -129,16 +189,16 @@ func (a psSortedRunningFor) Less(i, j int) bool {
 type psSortedStatus struct{ SortListContainers }
 
 func (a psSortedStatus) Less(i, j int) bool {
-	return a.SortListContainers[i].State < a.SortListContainers[j].State
+	return a.SortListContainers[i].ContainerState < a.SortListContainers[j].ContainerState
 }
 
 type psSortedSize struct{ SortListContainers }
 
 func (a psSortedSize) Less(i, j int) bool {
-	if a.SortListContainers[i].Size == nil || a.SortListContainers[j].Size == nil {
+	if a.SortListContainers[i].ContainerSize == nil || a.SortListContainers[j].ContainerSize == nil {
 		return false
 	}
-	return a.SortListContainers[i].Size.RootFsSize < a.SortListContainers[j].Size.RootFsSize
+	return a.SortListContainers[i].ContainerSize.RootFsSize < a.SortListContainers[j].ContainerSize.RootFsSize
 }
 
 type PsSortedCreateTime struct{ SortListContainers }
@@ -172,3 +232,94 @@ func SortPsOutput(sortBy string, psOutput SortListContainers) (SortListContainer
 	}
 	return psOutput, nil
 }
+
+// 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)
+}