func includeContainerInList()

in daemon/list.go [248:365]
89 lines of code
35 McCabe index (conditional complexity)

func includeContainerInList(container *container.Container, ctx *listContext) iterationAction {
	// Do not include container if it's in the list before the filter container.
	// Set the filter container to nil to include the rest of containers after this one.
	if ctx.beforeFilter != nil {
		if container.ID == ctx.beforeFilter.ID {
			ctx.beforeFilter = nil
		}
		return excludeContainer
	}

	// Stop iteration when the container arrives to the filter container
	if ctx.sinceFilter != nil {
		if container.ID == ctx.sinceFilter.ID {
			return stopIteration
		}
	}

	// Do not include container if it's stopped and we're not filters
	// FIXME remove the ctx.beforContainer and ctx.sinceContainer part of the condition for 1.12 as --since and --before are deprecated
	if !container.Running && !ctx.All && ctx.Limit <= 0 && ctx.beforeContainer == nil && ctx.sinceContainer == nil {
		return excludeContainer
	}

	// Do not include container if the name doesn't match
	if !ctx.filters.Match("name", container.Name) {
		return excludeContainer
	}

	// Do not include container if the id doesn't match
	if !ctx.filters.Match("id", container.ID) {
		return excludeContainer
	}

	// Do not include container if any of the labels don't match
	if !ctx.filters.MatchKVList("label", container.Config.Labels) {
		return excludeContainer
	}

	// Do not include container if isolation doesn't match
	if excludeContainer == excludeByIsolation(container, ctx) {
		return excludeContainer
	}

	// FIXME remove this for 1.12 as --since and --before are deprecated
	if ctx.beforeContainer != nil {
		if container.ID == ctx.beforeContainer.ID {
			ctx.beforeContainer = nil
		}
		return excludeContainer
	}

	// FIXME remove this for 1.12 as --since and --before are deprecated
	if ctx.sinceContainer != nil {
		if container.ID == ctx.sinceContainer.ID {
			return stopIteration
		}
	}

	// Stop iteration when the index is over the limit
	if ctx.Limit > 0 && ctx.idx == ctx.Limit {
		return stopIteration
	}

	// Do not include container if its exit code is not in the filter
	if len(ctx.exitAllowed) > 0 {
		shouldSkip := true
		for _, code := range ctx.exitAllowed {
			if code == container.ExitCode && !container.Running {
				shouldSkip = false
				break
			}
		}
		if shouldSkip {
			return excludeContainer
		}
	}

	// Do not include container if its status doesn't match the filter
	if !ctx.filters.Match("status", container.State.StateString()) {
		return excludeContainer
	}

	if ctx.filters.Include("volume") {
		volumesByName := make(map[string]*volume.MountPoint)
		for _, m := range container.MountPoints {
			if m.Name != "" {
				volumesByName[m.Name] = m
			} else {
				volumesByName[m.Source] = m
			}
		}

		volumeExist := fmt.Errorf("volume mounted in container")
		err := ctx.filters.WalkValues("volume", func(value string) error {
			if _, exist := container.MountPoints[value]; exist {
				return volumeExist
			}
			if _, exist := volumesByName[value]; exist {
				return volumeExist
			}
			return nil
		})
		if err != volumeExist {
			return excludeContainer
		}
	}

	if ctx.ancestorFilter {
		if len(ctx.images) == 0 {
			return excludeContainer
		}
		if !ctx.images[container.ImageID] {
			return excludeContainer
		}
	}

	return includeContainer
}