Switch from ThirdPartyResources to CustomResourceDefinitions (#381)

Switch Fission's storage over to the new CustomResourceDefinitions, from the deprecated ThirdPartyResources. This allows us to be compatible with Kubernets 1.8 and onwards.

This also adds a CLI tool for dumping state from an old fission version and restoring state into new CRDs.

The storage service is unaffected by this change.

controller/api.go

@@ -30,13 +30,13 @@ import (
 	"k8s.io/client-go/kubernetes"
 
 	"github.com/fission/fission"
+	"github.com/fission/fission/crd"
 	"github.com/fission/fission/fission/logdb"
-	"github.com/fission/fission/tpr"
 )
 
 type (
 	API struct {
-		fissionClient     *tpr.FissionClient
+		fissionClient     *crd.FissionClient
 		kubernetesClient  *kubernetes.Clientset
 		storageServiceUrl string
 		builderManagerUrl string
@@ -51,7 +51,7 @@ type (
 )
 
 func MakeAPI() (*API, error) {
-	api, err := makeTPRBackedAPI()
+	api, err := makeCRDBackedAPI()
 
 	u := os.Getenv("STORAGE_SERVICE_URL")
 	if len(u) > 0 {
@@ -176,6 +176,8 @@ func (api *API) Serve(port int) {
 	r.HandleFunc("/v2/triggers/messagequeue/{mqTrigger}", api.MessageQueueTriggerApiUpdate).Methods("PUT")
 	r.HandleFunc("/v2/triggers/messagequeue/{mqTrigger}", api.MessageQueueTriggerApiDelete).Methods("DELETE")
 
+	r.HandleFunc("/v2/deleteTpr", api.Tpr2crdApi).Methods("DELETE")
+
 	r.HandleFunc("/proxy/{dbType}", api.FunctionLogsApiPost).Methods("POST")
 	r.HandleFunc("/proxy/storage/v1/archive", api.StorageServiceProxy)
 	r.HandleFunc("/proxy/buildermgr/v1/build", api.BuilderManagerBuildProxy)