package lpfilters import ( "strconv" "strings" "github.com/containers/libpod/libpod" "github.com/containers/libpod/libpod/define" "github.com/containers/libpod/pkg/util" "github.com/pkg/errors" ) // GeneratePodFilterFunc takes a filter and filtervalue (key, value) // and generates a libpod function that can be used to filter // pods func GeneratePodFilterFunc(filter, filterValue string) ( func(pod *libpod.Pod) bool, error) { switch filter { case "ctr-ids": return func(p *libpod.Pod) bool { ctrIds, err := p.AllContainersByID() if err != nil { return false } return util.StringInSlice(filterValue, ctrIds) }, nil case "ctr-names": return func(p *libpod.Pod) bool { ctrs, err := p.AllContainers() if err != nil { return false } for _, ctr := range ctrs { if filterValue == ctr.Name() { return true } } return false }, nil case "ctr-number": return func(p *libpod.Pod) bool { ctrIds, err := p.AllContainersByID() if err != nil { return false } fVint, err2 := strconv.Atoi(filterValue) if err2 != nil { return false } return len(ctrIds) == fVint }, nil case "ctr-status": if !util.StringInSlice(filterValue, []string{"created", "restarting", "running", "paused", "exited", "unknown"}) { return nil, errors.Errorf("%s is not a valid status", filterValue) } return func(p *libpod.Pod) bool { ctrStatuses, err := p.Status() if err != nil { return false } for _, ctrStatus := range ctrStatuses { state := ctrStatus.String() if ctrStatus == define.ContainerStateConfigured { state = "created" } if state == filterValue { return true } } return false }, nil case "id": return func(p *libpod.Pod) bool { return strings.Contains(p.ID(), filterValue) }, nil case "name": return func(p *libpod.Pod) bool { return strings.Contains(p.Name(), filterValue) }, nil case "status": if !util.StringInSlice(filterValue, []string{"stopped", "running", "paused", "exited", "dead", "created"}) { return nil, errors.Errorf("%s is not a valid pod status", filterValue) } return func(p *libpod.Pod) bool { status, err := p.GetPodStatus() if err != nil { return false } if strings.ToLower(status) == filterValue { return true } return false }, nil case "label": var filterArray = strings.SplitN(filterValue, "=", 2) var filterKey = filterArray[0] if len(filterArray) > 1 { filterValue = filterArray[1] } else { filterValue = "" } return func(p *libpod.Pod) bool { for labelKey, labelValue := range p.Labels() { if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) { return true } } return false }, nil } return nil, errors.Errorf("%s is an invalid filter", filter) }