implement basic exec [ci skip]

engine/spec.go

@@ -27,6 +27,7 @@ type (
 		CPUSet       []string          `json:"cpu_set,omitempty"`
 		Detach       bool              `json:"detach,omitempty"`
 		DependsOn    []string          `json:"depends_on,omitempty"`
+		Devices      []*VolumeDevice   `json:"devices,omitempty"`
 		DNS          []string          `json:"dns,omitempty"`
 		DNSSearch    []string          `json:"dns_search,omitempty"`
 		Entrypoint   []string          `json:"entrypoint,omitempty"`
@@ -119,39 +120,11 @@ type (
 		Labels map[string]string `json:"labels,omitempty"`
 	}
 
-	// XVolume that is mounted into the container
-	XVolume struct {
-		ID     string            `json:"id,omitempty"`
-		Source string            `json:"source,omitempty"`
-		Target string            `json:"target,omitempty"`
-		Labels map[string]string `json:"labels,omitempty"`
-	}
-
-	volumeDevice struct {
-		Path string
-	}
-
-	volumeData struct {
-		ID   string `json:"id,omitempty"`
-		Name string `json:"name,omitempty"`
-		Path string `json:"target,omitempty"`
-		Mode uint32 `json:"mode,omitempty"`
-	}
-
-	volumeBind struct {
-		Source   string `json:"source,omitempty"`
-		Target   string `json:"target,omitempty"`
-		Readonly bool   `json:"readonly,omitempty"`
-	}
-
-	volumePipe struct {
-		Source string `json:"source,omitempty"`
-		Target string `json:"target,omitempty"`
-	}
-
-	volumeTemp struct {
-		Size int64  `json:"size,omitempty"`
-		Path string `json:"path,omitempty"`
+	// VolumeDevice describes a mapping of a raw block
+	// device within a container.
+	VolumeDevice struct {
+		Name       string `json:"name,omitempty"`
+		DevicePath string `json:"path,omitempty"`
 	}
 
 	// Network that is created and attached to containers