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ccli5
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cli/command/bundlefile/bundlefile.go
70 строк
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Daniel Nephin
Import docker/docker/cli
18 апр 2017, 00:40
18 апр 2017, 00:40
1630fc4
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package bundlefile import ( "encoding/json" "io" "github.com/pkg/errors" ) // Bundlefile stores the contents of a bundlefile type Bundlefile struct { Version string Services map[string]Service } // Service is a service from a bundlefile type Service struct { Image string Command []string `json:",omitempty"` Args []string `json:",omitempty"` Env []string `json:",omitempty"` Labels map[string]string `json:",omitempty"` Ports []Port `json:",omitempty"` WorkingDir *string `json:",omitempty"` User *string `json:",omitempty"` Networks []string `json:",omitempty"` } // Port is a port as defined in a bundlefile type Port struct { Protocol string Port uint32 } // LoadFile loads a bundlefile from a path to the file func LoadFile(reader io.Reader) (*Bundlefile, error) { bundlefile := &Bundlefile{} decoder := json.NewDecoder(reader) if err := decoder.Decode(bundlefile); err != nil { switch jsonErr := err.(type) { case *json.SyntaxError: return nil, errors.Errorf( "JSON syntax error at byte %v: %s", jsonErr.Offset, jsonErr.Error()) case *json.UnmarshalTypeError: return nil, errors.Errorf( "Unexpected type at byte %v. Expected %s but received %s.", jsonErr.Offset, jsonErr.Type, jsonErr.Value) } return nil, err } return bundlefile, nil } // Print writes the contents of the bundlefile to the output writer // as human readable json func Print(out io.Writer, bundle *Bundlefile) error { bytes, err := json.MarshalIndent(*bundle, "", " ") if err != nil { return err } _, err = out.Write(bytes) return err }