package events import ( "strings" "time" "github.com/containers/libpod/pkg/util" "github.com/pkg/errors" ) func generateEventFilter(filter, filterValue string) (func(e *Event) bool, error) { switch strings.ToUpper(filter) { case "CONTAINER": return func(e *Event) bool { if e.Type != Container { return false } if e.Name == filterValue { return true } return strings.HasPrefix(e.ID, filterValue) }, nil case "EVENT", "STATUS": return func(e *Event) bool { return string(e.Status) == filterValue }, nil case "IMAGE": return func(e *Event) bool { if e.Type != Image { return false } if e.Name == filterValue { return true } return strings.HasPrefix(e.ID, filterValue) }, nil case "POD": return func(e *Event) bool { if e.Type != Pod { return false } if e.Name == filterValue { return true } return strings.HasPrefix(e.ID, filterValue) }, nil case "VOLUME": return func(e *Event) bool { if e.Type != Volume { return false } return strings.HasPrefix(e.ID, filterValue) }, nil case "TYPE": return func(e *Event) bool { return string(e.Type) == filterValue }, nil } return nil, errors.Errorf("%s is an invalid filter", filter) } func generateEventSinceOption(timeSince time.Time) func(e *Event) bool { return func(e *Event) bool { return e.Time.After(timeSince) } } func generateEventUntilOption(timeUntil time.Time) func(e *Event) bool { return func(e *Event) bool { return e.Time.Before(timeUntil) } } func parseFilter(filter string) (string, string, error) { filterSplit := strings.Split(filter, "=") if len(filterSplit) != 2 { return "", "", errors.Errorf("%s is an invalid filter", filter) } return filterSplit[0], filterSplit[1], nil } func generateEventOptions(filters []string, since, until string) ([]EventFilter, error) { options := make([]EventFilter, 0, len(filters)) for _, filter := range filters { key, val, err := parseFilter(filter) if err != nil { return nil, err } funcFilter, err := generateEventFilter(key, val) if err != nil { return nil, err } options = append(options, funcFilter) } if len(since) > 0 { timeSince, err := util.ParseInputTime(since) if err != nil { return nil, errors.Wrapf(err, "unable to convert since time of %s", since) } options = append(options, generateEventSinceOption(timeSince)) } if len(until) > 0 { timeUntil, err := util.ParseInputTime(until) if err != nil { return nil, errors.Wrapf(err, "unable to convert until time of %s", until) } options = append(options, generateEventUntilOption(timeUntil)) } return options, nil }