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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2020-04-09 15:56:26 +0200
committerGitHub <noreply@github.com>2020-04-09 15:56:26 +0200
commit1662310e516cb3c21842f59b8f607bb0af408ec5 (patch)
tree884889920008afc6f688e4f3d5ceec7f9025139b /pkg/domain/entities
parent555b30e9ebdf82dfc2e0c7ddd9f0f8b51ccb4a39 (diff)
parent8ce23775a62b816c599e6d65c92985f62acc85c5 (diff)
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Merge pull request #5754 from baude/v2psformat
v2podman ps alter formats
Diffstat (limited to 'pkg/domain/entities')
-rw-r--r--pkg/domain/entities/container_ps.go171
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)
+}