package lpfilters import ( "regexp" "strconv" "strings" "time" "github.com/containers/podman/v2/libpod" "github.com/containers/podman/v2/libpod/define" "github.com/containers/podman/v2/pkg/timetype" "github.com/containers/podman/v2/pkg/util" "github.com/pkg/errors" ) // GenerateContainerFilterFuncs return ContainerFilter functions based of filter. func GenerateContainerFilterFuncs(filter, filterValue string, r *libpod.Runtime) (func(container *libpod.Container) bool, error) { switch filter { case "id": return func(c *libpod.Container) bool { return strings.Contains(c.ID(), filterValue) }, nil case "label": var filterArray = strings.SplitN(filterValue, "=", 2) var filterKey = filterArray[0] if len(filterArray) > 1 { filterValue = filterArray[1] } else { filterValue = "" } return func(c *libpod.Container) bool { for labelKey, labelValue := range c.Labels() { if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) { return true } } return false }, nil case "name": return func(c *libpod.Container) bool { match, err := regexp.MatchString(filterValue, c.Name()) if err != nil { return false } return match }, nil case "exited": exitCode, err := strconv.ParseInt(filterValue, 10, 32) if err != nil { return nil, errors.Wrapf(err, "exited code out of range %q", filterValue) } return func(c *libpod.Container) bool { ec, exited, err := c.ExitCode() if ec == int32(exitCode) && err == nil && exited { return true } return false }, nil case "status": if !util.StringInSlice(filterValue, []string{"created", "running", "paused", "stopped", "exited", "unknown"}) { return nil, errors.Errorf("%s is not a valid status", filterValue) } return func(c *libpod.Container) bool { status, err := c.State() if err != nil { return false } if filterValue == "stopped" { filterValue = "exited" } state := status.String() if status == define.ContainerStateConfigured { state = "created" } else if status == define.ContainerStateStopped { state = "exited" } return state == filterValue }, nil case "ancestor": // This needs to refine to match docker // - ancestor=([:tag]|| ⟨image@digest⟩) - containers created from an image or a descendant. return func(c *libpod.Container) bool { containerConfig := c.Config() if strings.Contains(containerConfig.RootfsImageID, filterValue) || strings.Contains(containerConfig.RootfsImageName, filterValue) { return true } return false }, nil case "before": ctr, err := r.LookupContainer(filterValue) if err != nil { return nil, errors.Errorf("unable to find container by name or id of %s", filterValue) } containerConfig := ctr.Config() createTime := containerConfig.CreatedTime return func(c *libpod.Container) bool { cc := c.Config() return createTime.After(cc.CreatedTime) }, nil case "since": ctr, err := r.LookupContainer(filterValue) if err != nil { return nil, errors.Errorf("unable to find container by name or id of %s", filterValue) } containerConfig := ctr.Config() createTime := containerConfig.CreatedTime return func(c *libpod.Container) bool { cc := c.Config() return createTime.Before(cc.CreatedTime) }, nil case "volume": //- volume=(|) return func(c *libpod.Container) bool { containerConfig := c.Config() var dest string arr := strings.Split(filterValue, ":") source := arr[0] if len(arr) == 2 { dest = arr[1] } for _, mount := range containerConfig.Spec.Mounts { if dest != "" && (mount.Source == source && mount.Destination == dest) { return true } if dest == "" && mount.Source == source { return true } } return false }, nil case "health": return func(c *libpod.Container) bool { hcStatus, err := c.HealthCheckStatus() if err != nil { return false } return hcStatus == filterValue }, nil case "until": ts, err := timetype.GetTimestamp(filterValue, time.Now()) if err != nil { return nil, err } seconds, nanoseconds, err := timetype.ParseTimestamps(ts, 0) if err != nil { return nil, err } until := time.Unix(seconds, nanoseconds) return func(c *libpod.Container) bool { if !until.IsZero() && c.CreatedTime().After((until)) { return true } return false }, nil } return nil, errors.Errorf("%s is an invalid filter", filter) }