github.com/rish1988/moby@v25.0.2+incompatible/libcontainerd/shimopts/convert.go (about)

     1  package shimopts
     2  
     3  import (
     4  	runhcsoptions "github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/options"
     5  	runtimeoptions "github.com/containerd/containerd/pkg/runtimeoptions/v1"
     6  	"github.com/containerd/containerd/plugin"
     7  	runcoptions "github.com/containerd/containerd/runtime/v2/runc/options"
     8  	"github.com/pelletier/go-toml"
     9  )
    10  
    11  // Generate converts opts into a runtime options value for the runtimeType which
    12  // can be passed into containerd.
    13  func Generate(runtimeType string, opts map[string]interface{}) (interface{}, error) {
    14  	// This is horrible, but we have no other choice. The containerd client
    15  	// can only handle options values which can be marshaled into a
    16  	// typeurl.Any. And we're in good company: cri-containerd handles shim
    17  	// options in the same way.
    18  	var out interface{}
    19  	switch runtimeType {
    20  	case plugin.RuntimeRuncV1, plugin.RuntimeRuncV2:
    21  		out = &runcoptions.Options{}
    22  	case "io.containerd.runhcs.v1":
    23  		out = &runhcsoptions.Options{}
    24  	default:
    25  		out = &runtimeoptions.Options{}
    26  	}
    27  
    28  	// We can't use mergo.Map as it is too strict about type-assignability
    29  	// with numeric types.
    30  	tree, err := toml.TreeFromMap(opts)
    31  	if err != nil {
    32  		return nil, err
    33  	}
    34  	if err := tree.Unmarshal(out); err != nil {
    35  		return nil, err
    36  	}
    37  	return out, nil
    38  }