package daemon import ( "errors" "fmt" "strconv" "strings" "github.com/docker/docker/api/types" "github.com/docker/docker/pkg/graphdb" "github.com/docker/docker/pkg/nat" "github.com/docker/docker/pkg/parsers/filters" ) // List returns an array of all containers registered in the daemon. func (daemon *Daemon) List() []*Container { return daemon.containers.List() } type ContainersConfig struct { All bool Since string Before string Limit int Size bool Filters string } func (daemon *Daemon) Containers(config *ContainersConfig) ([]*types.Container, error) { var ( foundBefore bool displayed int all = config.All n = config.Limit psFilters filters.Args filtExited []int ) containers := []*types.Container{} psFilters, err := filters.FromParam(config.Filters) if err != nil { return nil, err } if i, ok := psFilters["exited"]; ok { for _, value := range i { code, err := strconv.Atoi(value) if err != nil { return nil, err } filtExited = append(filtExited, code) } } if i, ok := psFilters["status"]; ok { for _, value := range i { if value == "exited" || value == "created" { all = true } } } names := map[string][]string{} daemon.ContainerGraph().Walk("/", func(p string, e *graphdb.Entity) error { names[e.ID()] = append(names[e.ID()], p) return nil }, 1) var beforeCont, sinceCont *Container if config.Before != "" { beforeCont, err = daemon.Get(config.Before) if err != nil { return nil, err } } if config.Since != "" { sinceCont, err = daemon.Get(config.Since) if err != nil { return nil, err } } errLast := errors.New("last container") writeCont := func(container *Container) error { container.Lock() defer container.Unlock() if !container.Running && !all && n <= 0 && config.Since == "" && config.Before == "" { return nil } if !psFilters.Match("name", container.Name) { return nil } if !psFilters.Match("id", container.ID) { return nil } if !psFilters.MatchKVList("label", container.Config.Labels) { return nil } if config.Before != "" && !foundBefore { if container.ID == beforeCont.ID { foundBefore = true } return nil } if n > 0 && displayed == n { return errLast } if config.Since != "" { if container.ID == sinceCont.ID { return errLast } } if len(filtExited) > 0 { shouldSkip := true for _, code := range filtExited { if code == container.ExitCode && !container.Running { shouldSkip = false break } } if shouldSkip { return nil } } if !psFilters.Match("status", container.State.StateString()) { return nil } displayed++ newC := &types.Container{ ID: container.ID, Names: names[container.ID], } newC.Image = container.Config.Image if len(container.Args) > 0 { args := []string{} for _, arg := range container.Args { if strings.Contains(arg, " ") { args = append(args, fmt.Sprintf("'%s'", arg)) } else { args = append(args, arg) } } argsAsString := strings.Join(args, " ") newC.Command = fmt.Sprintf("%s %s", container.Path, argsAsString) } else { newC.Command = fmt.Sprintf("%s", container.Path) } newC.Created = int(container.Created.Unix()) newC.Status = container.State.String() newC.HostConfig.NetworkMode = string(container.HostConfig().NetworkMode) newC.Ports = []types.Port{} for port, bindings := range container.NetworkSettings.Ports { p, _ := nat.ParsePort(port.Port()) if len(bindings) == 0 { newC.Ports = append(newC.Ports, types.Port{ PrivatePort: p, Type: port.Proto(), }) continue } for _, binding := range bindings { h, _ := nat.ParsePort(binding.HostPort) newC.Ports = append(newC.Ports, types.Port{ PrivatePort: p, PublicPort: h, Type: port.Proto(), IP: binding.HostIp, }) } } if config.Size { sizeRw, sizeRootFs := container.GetSize() newC.SizeRw = int(sizeRw) newC.SizeRootFs = int(sizeRootFs) } newC.Labels = container.Config.Labels containers = append(containers, newC) return nil } for _, container := range daemon.List() { if err := writeCont(container); err != nil { if err != errLast { return nil, err } break } } return containers, nil }