| package runconfig |
| |
| import ( |
| "encoding/json" |
| "io" |
| |
| "github.com/docker/docker/api/types/container" |
| ) |
| |
| // DecodeHostConfig creates a HostConfig based on the specified Reader. |
| // It assumes the content of the reader will be JSON, and decodes it. |
| func DecodeHostConfig(src io.Reader) (*container.HostConfig, error) { |
| decoder := json.NewDecoder(src) |
| |
| var w ContainerConfigWrapper |
| if err := decoder.Decode(&w); err != nil { |
| return nil, err |
| } |
| |
| hc := w.getHostConfig() |
| return hc, nil |
| } |
| |
| // SetDefaultNetModeIfBlank changes the NetworkMode in a HostConfig structure |
| // to default if it is not populated. This ensures backwards compatibility after |
| // the validation of the network mode was moved from the docker CLI to the |
| // docker daemon. |
| func SetDefaultNetModeIfBlank(hc *container.HostConfig) *container.HostConfig { |
| if hc != nil { |
| if hc.NetworkMode == container.NetworkMode("") { |
| hc.NetworkMode = container.NetworkMode("default") |
| } |
| } |
| return hc |
| } |