func dropList(drops []string) ([]string, error) {
if utils.StringsContainsNoCase(drops, "all") {
var newCaps []string
for _, capName := range execdriver.GetAllCapabilities() {
cap := execdriver.GetCapability(capName)
logrus.Debugf("drop cap %s\n", cap.Key)
numCap := fmt.Sprintf("%d", cap.Value)
newCaps = append(newCaps, numCap)
}
return newCaps, nil
}
return []string{}, nil
}
func dropList(drops []string) ([]string, error) {
if utils.StringsContainsNoCase(drops, "all") {
var newCaps []string
for _, cap := range capabilities.GetAllCapabilities() {
log.Debugf("drop cap %s\n", cap)
realCap := capabilities.GetCapability(cap)
if realCap == nil {
return nil, fmt.Errorf("Invalid capability '%s'", cap)
}
numCap := fmt.Sprintf("%d", realCap.Value)
newCaps = append(newCaps, numCap)
}
return newCaps, nil
}
return []string{}, nil
}
func TweakCapabilities(basics, adds, drops []string) ([]string, error) {
var (
newCaps []string
allCaps = GetAllCapabilities()
)
// look for invalid cap in the drop list
for _, cap := range drops {
if strings.ToLower(cap) == "all" {
continue
}
if !utils.StringsContainsNoCase(allCaps, cap) {
return nil, fmt.Errorf("Unknown capability drop: %q", cap)
}
}
// handle --cap-add=all
if utils.StringsContainsNoCase(adds, "all") {
basics = allCaps
}
if !utils.StringsContainsNoCase(drops, "all") {
for _, cap := range basics {
// skip `all` aready handled above
if strings.ToLower(cap) == "all" {
continue
}
// if we don't drop `all`, add back all the non-dropped caps
if !utils.StringsContainsNoCase(drops, cap) {
newCaps = append(newCaps, strings.ToUpper(cap))
}
}
}
for _, cap := range adds {
// skip `all` aready handled above
if strings.ToLower(cap) == "all" {
continue
}
if !utils.StringsContainsNoCase(allCaps, cap) {
return nil, fmt.Errorf("Unknown capability to add: %q", cap)
}
// add cap if not already in the list
if !utils.StringsContainsNoCase(newCaps, cap) {
newCaps = append(newCaps, strings.ToUpper(cap))
}
}
return newCaps, nil
}