package opts // import "github.com/docker/docker/opts" import ( "fmt" "strings" "github.com/docker/docker/api/types" ) // RuntimeOpt defines a map of Runtimes type RuntimeOpt struct { name string stockRuntimeName string values *map[string]types.Runtime } // NewNamedRuntimeOpt creates a new RuntimeOpt func NewNamedRuntimeOpt(name string, ref *map[string]types.Runtime, stockRuntime string) *RuntimeOpt { if ref == nil { ref = &map[string]types.Runtime{} } return &RuntimeOpt{name: name, values: ref, stockRuntimeName: stockRuntime} } // Name returns the name of the NamedListOpts in the configuration. func (o *RuntimeOpt) Name() string { return o.name } // Set validates and updates the list of Runtimes func (o *RuntimeOpt) Set(val string) error { parts := strings.SplitN(val, "=", 2) if len(parts) != 2 { return fmt.Errorf("invalid runtime argument: %s", val) } parts[0] = strings.TrimSpace(parts[0]) parts[1] = strings.TrimSpace(parts[1]) if parts[0] == "" || parts[1] == "" { return fmt.Errorf("invalid runtime argument: %s", val) } parts[0] = strings.ToLower(parts[0]) if parts[0] == o.stockRuntimeName { return fmt.Errorf("runtime name '%s' is reserved", o.stockRuntimeName) } if _, ok := (*o.values)[parts[0]]; ok { return fmt.Errorf("runtime '%s' was already defined", parts[0]) } (*o.values)[parts[0]] = types.Runtime{Path: parts[1]} return nil } // String returns Runtime values as a string. func (o *RuntimeOpt) String() string { var out []string for k := range *o.values { out = append(out, k) } return fmt.Sprintf("%v", out) } // GetMap returns a map of Runtimes (name: path) func (o *RuntimeOpt) GetMap() map[string]types.Runtime { if o.values != nil { return *o.values } return map[string]types.Runtime{} } // Type returns the type of the option func (o *RuntimeOpt) Type() string { return "runtime" }