Create OVN network action controller from ncm

Split out part of ncm microservice to act as the
Onv4k8s network action controller for the orchestrator.
No code changes really - just moving around to fit the
architectural plan.

Issue-ID: MULTICLOUD-1029
Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>
Change-Id: I17292ac72d041050269f05fc4a0c2a6ca741aeb5

1 files changed, 113 insertions, 0 deletions

diff --git a/src/ovnaction/api/api.go b/src/ovnaction/api/api.go
new file mode 100644
index 00000000..bffab0a4
--- /dev/null
+++ b/src/ovnaction/api/api.go
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2020 Intel Corporation, Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package api
+
+import (
+	"fmt"
+	"reflect"
+
+	"github.com/gorilla/mux"
+	moduleLib "github.com/onap/multicloud-k8s/src/ovnaction/pkg/module"
+)
+
+var moduleClient *moduleLib.Client
+
+// For the given client and testClient, if the testClient is not null and
+// implements the client manager interface corresponding to client, then
+// return the testClient, otherwise return the client.
+func setClient(client, testClient interface{}) interface{} {
+	switch cl := client.(type) {
+	case *moduleLib.NetControlIntentClient:
+		if testClient != nil && reflect.TypeOf(testClient).Implements(reflect.TypeOf((*moduleLib.NetControlIntentManager)(nil)).Elem()) {
+			c, ok := testClient.(moduleLib.NetControlIntentManager)
+			if ok {
+				return c
+			}
+		}
+	case *moduleLib.WorkloadIntentClient:
+		if testClient != nil && reflect.TypeOf(testClient).Implements(reflect.TypeOf((*moduleLib.WorkloadIntentManager)(nil)).Elem()) {
+			c, ok := testClient.(moduleLib.WorkloadIntentManager)
+			if ok {
+				return c
+			}
+		}
+	case *moduleLib.WorkloadIfIntentClient:
+		if testClient != nil && reflect.TypeOf(testClient).Implements(reflect.TypeOf((*moduleLib.WorkloadIfIntentManager)(nil)).Elem()) {
+			c, ok := testClient.(moduleLib.WorkloadIfIntentManager)
+			if ok {
+				return c
+			}
+		}
+	case *moduleLib.ChainClient:
+		if testClient != nil && reflect.TypeOf(testClient).Implements(reflect.TypeOf((*moduleLib.ChainManager)(nil)).Elem()) {
+			c, ok := testClient.(moduleLib.ChainManager)
+			if ok {
+				return c
+			}
+		}
+	default:
+		fmt.Printf("unknown type %T\n", cl)
+	}
+	return client
+}
+
+// NewRouter creates a router that registers the various urls that are supported
+// testClient parameter allows unit testing for a given client
+func NewRouter(testClient interface{}) *mux.Router {
+
+	moduleClient = moduleLib.NewClient()
+
+	router := mux.NewRouter().PathPrefix("/v2").Subrouter()
+
+	netcontrolintentHandler := netcontrolintentHandler{
+		client: setClient(moduleClient.NetControlIntent, testClient).(moduleLib.NetControlIntentManager),
+	}
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent", netcontrolintentHandler.createHandler).Methods("POST")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent", netcontrolintentHandler.getHandler).Methods("GET")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{name}", netcontrolintentHandler.putHandler).Methods("PUT")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{name}", netcontrolintentHandler.getHandler).Methods("GET")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{name}", netcontrolintentHandler.deleteHandler).Methods("DELETE")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{name}/apply", netcontrolintentHandler.applyHandler).Methods("POST")
+
+	workloadintentHandler := workloadintentHandler{
+		client: setClient(moduleClient.WorkloadIntent, testClient).(moduleLib.WorkloadIntentManager),
+	}
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/workload-intents", workloadintentHandler.createHandler).Methods("POST")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/workload-intents", workloadintentHandler.getHandler).Methods("GET")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/workload-intents/{name}", workloadintentHandler.putHandler).Methods("PUT")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/workload-intents/{name}", workloadintentHandler.getHandler).Methods("GET")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/workload-intents/{name}", workloadintentHandler.deleteHandler).Methods("DELETE")
+
+	workloadifintentHandler := workloadifintentHandler{
+		client: setClient(moduleClient.WorkloadIfIntent, testClient).(moduleLib.WorkloadIfIntentManager),
+	}
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/workload-intents/{workload-intent}/interfaces", workloadifintentHandler.createHandler).Methods("POST")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/workload-intents/{workload-intent}/interfaces", workloadifintentHandler.getHandler).Methods("GET")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/workload-intents/{workload-intent}/interfaces/{name}", workloadifintentHandler.putHandler).Methods("PUT")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/workload-intents/{workload-intent}/interfaces/{name}", workloadifintentHandler.getHandler).Methods("GET")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/workload-intents/{workload-intent}/interfaces/{name}", workloadifintentHandler.deleteHandler).Methods("DELETE")
+
+	chainHandler := chainHandler{
+		client: setClient(moduleClient.Chain, testClient).(moduleLib.ChainManager),
+	}
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/network-chains", chainHandler.createHandler).Methods("POST")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/network-chains", chainHandler.getHandler).Methods("GET")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/network-chains/{name}", chainHandler.putHandler).Methods("PUT")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/network-chains/{name}", chainHandler.getHandler).Methods("GET")
+	router.HandleFunc("/projects/{project}/composite-apps/{composite-app-name}/{version}/network-controller-intent/{net-control-intent}/network-chains/{name}", chainHandler.deleteHandler).Methods("DELETE")
+
+	return router
+}