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