Exemplo n.º 1
0
// matchesFilters applies the relevant filter groups to a filterable
func matchesFilters(filterable filters.Filterable) bool {
	// recover from potential panics caused by malformed filters
	defer func() {
		if r := recover(); r != nil {
			log.Error("Recovered in matchesFilters with panic: ", r)
		}
	}()

	var groups map[string]filters.FilterGroup
	switch filterable.(type) {
	case *reaperaws.Instance:
		groups = config.Instances.FilterGroups
	case *reaperaws.AutoScalingGroup:
		groups = config.AutoScalingGroups.FilterGroups
	case *reaperaws.Cloudformation:
		groups = config.Cloudformations.FilterGroups
	case *reaperaws.SecurityGroup:
		groups = config.SecurityGroups.FilterGroups
	case *reaperaws.Volume:
		groups = config.Volumes.FilterGroups
	default:
		log.Warning("You probably screwed up and need to make sure matchesFilters works!")
		return false
	}

	matched := false

	// if there are no filters groups defined default to not match
	if len(groups) == 0 {
		return false
	}

	shouldFilter := false
	for _, group := range groups {
		if len(group) > 0 {
			// there is a filter
			shouldFilter = true
		}
	}
	// no filters, default to not match
	if !shouldFilter {
		return false
	}

	for name, group := range groups {
		didMatch := filters.ApplyFilters(filterable, group)
		if didMatch {
			matched = true
			filterable.AddFilterGroup(name, group)
		}
	}

	// convenient
	if isWhitelisted(filterable) {
		matched = false
	}

	return matched
}
Exemplo n.º 2
0
// isWhitelisted returns whether the filterable is tagged
// with the whitelist tag
func isWhitelisted(filterable filters.Filterable) bool {
	return filterable.Filter(*filters.NewFilter("Tagged", []string{config.WhitelistTag}))
}