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package entities
import (
"sort"
"strings"
"github.com/containers/libpod/pkg/ps/define"
"github.com/cri-o/ocicni/pkg/ocicni"
"github.com/pkg/errors"
)
// Listcontainer describes a container suitable for listing
type ListContainer struct {
// Container command
Command []string
// Container creation time
Created int64
// If container has exited/stopped
Exited bool
// Time container exited
ExitedAt int64
// If container has exited, the return code from the command
ExitCode int32
// The unique identifier for the container
ID string `json:"Id"`
// Container image
Image string
// If this container is a Pod infra container
IsInfra bool
// Labels for container
Labels map[string]string
// User volume mounts
Mounts []string
// The names assigned to the container
Names []string
// Namespaces the container belongs to. Requires the
// namespace boolean to be true
Namespaces ListContainerNamespaces
// The process id of the container
Pid int
// If the container is part of Pod, the Pod ID. Requires the pod
// boolean to be set
Pod string
// If the container is part of Pod, the Pod name. Requires the pod
// boolean to be set
PodName string
// Port mappings
Ports []ocicni.PortMapping
// Size of the container rootfs. Requires the size boolean to be true
Size *define.ContainerSize
// Time when container started
StartedAt int64
// State of container
State string
}
// ListContainer Namespaces contains the identifiers of the container's Linux namespaces
type ListContainerNamespaces struct {
// Mount namespace
MNT string `json:"Mnt,omitempty"`
// Cgroup namespace
Cgroup string `json:"Cgroup,omitempty"`
// IPC namespace
IPC string `json:"Ipc,omitempty"`
// Network namespace
NET string `json:"Net,omitempty"`
// PID namespace
PIDNS string `json:"Pidns,omitempty"`
// UTS namespace
UTS string `json:"Uts,omitempty"`
// User namespace
User string `json:"User,omitempty"`
}
type SortListContainers []ListContainer
func (a SortListContainers) Len() int { return len(a) }
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, " ")
}
type psSortedId struct{ SortListContainers }
func (a psSortedId) Less(i, j int) bool {
return a.SortListContainers[i].ID < a.SortListContainers[j].ID
}
type psSortedImage struct{ SortListContainers }
func (a psSortedImage) Less(i, j int) bool {
return a.SortListContainers[i].Image < a.SortListContainers[j].Image
}
type psSortedNames struct{ SortListContainers }
func (a psSortedNames) Less(i, j int) bool {
return a.SortListContainers[i].Names[0] < a.SortListContainers[j].Names[0]
}
type psSortedPod struct{ SortListContainers }
func (a psSortedPod) Less(i, j int) bool {
return a.SortListContainers[i].Pod < a.SortListContainers[j].Pod
}
type psSortedRunningFor struct{ SortListContainers }
func (a psSortedRunningFor) Less(i, j int) bool {
return a.SortListContainers[i].StartedAt < a.SortListContainers[j].StartedAt
}
type psSortedStatus struct{ SortListContainers }
func (a psSortedStatus) Less(i, j int) bool {
return a.SortListContainers[i].State < a.SortListContainers[j].State
}
type psSortedSize struct{ SortListContainers }
func (a psSortedSize) Less(i, j int) bool {
if a.SortListContainers[i].Size == nil || a.SortListContainers[j].Size == nil {
return false
}
return a.SortListContainers[i].Size.RootFsSize < a.SortListContainers[j].Size.RootFsSize
}
type PsSortedCreateTime struct{ SortListContainers }
func (a PsSortedCreateTime) Less(i, j int) bool {
return a.SortListContainers[i].Created < a.SortListContainers[j].Created
}
func SortPsOutput(sortBy string, psOutput SortListContainers) (SortListContainers, error) {
switch sortBy {
case "id":
sort.Sort(psSortedId{psOutput})
case "image":
sort.Sort(psSortedImage{psOutput})
case "command":
sort.Sort(psSortedCommand{psOutput})
case "runningfor":
sort.Sort(psSortedRunningFor{psOutput})
case "status":
sort.Sort(psSortedStatus{psOutput})
case "size":
sort.Sort(psSortedSize{psOutput})
case "names":
sort.Sort(psSortedNames{psOutput})
case "created":
sort.Sort(PsSortedCreateTime{psOutput})
case "pod":
sort.Sort(psSortedPod{psOutput})
default:
return nil, errors.Errorf("invalid option for --sort, options are: command, created, id, image, names, runningfor, size, or status")
}
return psOutput, nil
}
func (l ListContainer) CGROUPNS() string {
return l.Namespaces.Cgroup
}
func (l ListContainer) IPC() string {
return l.Namespaces.IPC
}
func (l ListContainer) MNT() string {
return l.Namespaces.MNT
}
func (l ListContainer) NET() string {
return l.Namespaces.NET
}
func (l ListContainer) PIDNS() string {
return l.Namespaces.PIDNS
}
func (l ListContainer) USERNS() string {
return l.Namespaces.User
}
func (l ListContainer) UTS() string {
return l.Namespaces.UTS
}
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