restructure rcloud-base as a single base controller (#37)

* restructure rcloud-base as a single base controller
* updated master.rest
* moved sentry from internal to pkg as it is used by relay
* removing unused rpc and it's dependencies
* Fix usermgmt tests
* Don't redefine variables in rest file
Co-authored-by: Abin Simon <abin.simon@rafay.co>

pkg/controller/util/patch_test.go

@@ -0,0 +1,43 @@
+package util
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"os"
+
+	"github.com/RafaySystems/rcloud-base/pkg/controller/scheme"
+
+	apiv2 "github.com/RafaySystems/rcloud-base/proto/types/controller"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+	"sigs.k8s.io/yaml"
+)
+
+func loadRuntimeObject(path string) runtime.Object {
+	f, err := os.Open(path)
+	if err != nil {
+		panic(err)
+	}
+	yb, err := ioutil.ReadAll(f)
+	if err != nil {
+		panic(err)
+	}
+
+	jb, err := yaml.YAMLToJSON(yb)
+	if err != nil {
+		panic(err)
+	}
+
+	var so apiv2.StepObject
+	err = json.Unmarshal(jb, &so)
+	if err != nil {
+		panic(err)
+	}
+
+	o, _, err := scheme.Serializer.Decode(so.Raw, nil, &unstructured.Unstructured{})
+	if err != nil {
+		panic(err)
+	}
+
+	return o
+}