containerd/diff/walking/plugin/plugin.go
Derek McGowan b763777288
diff: rename differ to comparer
Remove combined interface and split implementations.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
2018-01-26 16:32:09 -08:00

40 lines
912 B
Go

package plugin
import (
"github.com/containerd/containerd/diff"
"github.com/containerd/containerd/diff/apply"
"github.com/containerd/containerd/diff/walking"
"github.com/containerd/containerd/metadata"
"github.com/containerd/containerd/platforms"
"github.com/containerd/containerd/plugin"
)
func init() {
plugin.Register(&plugin.Registration{
Type: plugin.DiffPlugin,
ID: "walking",
Requires: []plugin.Type{
plugin.MetadataPlugin,
},
InitFn: func(ic *plugin.InitContext) (interface{}, error) {
md, err := ic.Get(plugin.MetadataPlugin)
if err != nil {
return nil, err
}
ic.Meta.Platforms = append(ic.Meta.Platforms, platforms.DefaultSpec())
cs := md.(*metadata.DB).ContentStore()
return diffPlugin{
Comparer: walking.NewWalkingDiff(cs),
Applier: apply.NewFileSystemApplier(cs),
}, nil
},
})
}
type diffPlugin struct {
diff.Comparer
diff.Applier
}