Update Rancher API integration to go-rancher client v2.

vendor/github.com/rancher/go-rancher/v2/client.go

@@ -0,0 +1,39 @@
+package client
+
+import (
+	"net/http"
+
+	"github.com/gorilla/websocket"
+)
+
+type RancherBaseClientImpl struct {
+	Opts    *ClientOpts
+	Schemas *Schemas
+	Types   map[string]Schema
+}
+
+type RancherBaseClient interface {
+	Websocket(string, map[string][]string) (*websocket.Conn, *http.Response, error)
+	List(string, *ListOpts, interface{}) error
+	Post(string, interface{}, interface{}) error
+	GetLink(Resource, string, interface{}) error
+	Create(string, interface{}, interface{}) error
+	Update(string, *Resource, interface{}, interface{}) error
+	ById(string, string, interface{}) error
+	Delete(*Resource) error
+	Reload(*Resource, interface{}) error
+	Action(string, string, *Resource, interface{}, interface{}) error
+	GetOpts() *ClientOpts
+	GetSchemas() *Schemas
+	GetTypes() map[string]Schema
+
+	doGet(string, *ListOpts, interface{}) error
+	doList(string, *ListOpts, interface{}) error
+	doNext(string, interface{}) error
+	doModify(string, string, interface{}, interface{}) error
+	doCreate(string, interface{}, interface{}) error
+	doUpdate(string, *Resource, interface{}, interface{}) error
+	doById(string, string, interface{}) error
+	doResourceDelete(string, *Resource) error
+	doAction(string, string, *Resource, interface{}, interface{}) error
+}