// filterNetworks filters network list according to user specified filter
// and returns user chosen networks
func filterNetworks(nws []types.NetworkResource, filter filters.Args) ([]types.NetworkResource, error) {
// if filter is empty, return original network list
if filter.Len() == 0 {
return nws, nil
}
if err := filter.Validate(acceptedNetworkFilters); err != nil {
return nil, err
}
displayNet := []types.NetworkResource{}
for _, nw := range nws {
if filter.Include("driver") {
if !filter.ExactMatch("driver", nw.Driver) {
continue
}
}
if filter.Include("name") {
if !filter.Match("name", nw.Name) {
continue
}
}
if filter.Include("id") {
if !filter.Match("id", nw.ID) {
continue
}
}
if filter.Include("label") {
if !filter.MatchKVList("label", nw.Labels) {
continue
}
}
displayNet = append(displayNet, nw)
}
if filter.Include("type") {
var typeNet []types.NetworkResource
errFilter := filter.WalkValues("type", func(fval string) error {
passList, err := filterNetworkByType(displayNet, fval)
if err != nil {
return err
}
typeNet = append(typeNet, passList...)
return nil
})
if errFilter != nil {
return nil, errFilter
}
displayNet = typeNet
}
return displayNet, nil
}
// filterVolumes filters volume list according to user specified filter
// and returns user chosen volumes
func (daemon *Daemon) filterVolumes(vols []volume.Volume, filter filters.Args) ([]volume.Volume, error) {
// if filter is empty, return original volume list
if filter.Len() == 0 {
return vols, nil
}
var retVols []volume.Volume
for _, vol := range vols {
if filter.Include("name") {
if !filter.Match("name", vol.Name()) {
continue
}
}
if filter.Include("driver") {
if !filter.Match("driver", vol.DriverName()) {
continue
}
}
if filter.Include("label") {
v, ok := vol.(volume.LabeledVolume)
if !ok {
continue
}
if !filter.MatchKVList("label", v.Labels()) {
continue
}
}
retVols = append(retVols, vol)
}
danglingOnly := false
if filter.Include("dangling") {
if filter.ExactMatch("dangling", "true") || filter.ExactMatch("dangling", "1") {
danglingOnly = true
} else if !filter.ExactMatch("dangling", "false") && !filter.ExactMatch("dangling", "0") {
return nil, fmt.Errorf("Invalid filter 'dangling=%s'", filter.Get("dangling"))
}
retVols = daemon.volumes.FilterByUsed(retVols, !danglingOnly)
}
return retVols, nil
}
