APIs for network, workload and interface intents

Includes network controller intent and underlying
network workload intent and workload interface
intent APIs.

Issue-ID: MULTICLOUD-1029
Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>
Change-Id: I9bb34e42785b16f39af81335b1f94dd5bb15d931

9 files changed, 1292 insertions, 4 deletions

diff --git a/src/ncm/api/api.go b/src/ncm/api/api.go
index 3ff8671a..fcef7b43 100644
--- a/src/ncm/api/api.go
+++ b/src/ncm/api/api.go
@@ -51,6 +51,27 @@ func setClient(client, testClient interface{}) interface{} {
 				return c
 			}
 		}
+	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
+			}
+		}
 	default:
 		fmt.Printf("unknown type %T\n", cl)
 	}
@@ -104,5 +125,32 @@ func NewRouter(testClient interface{}) *mux.Router {
 	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{cluster-name}/provider-networks/{name}", providernetHandler.getProviderNetHandler).Methods("GET")
 	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{cluster-name}/provider-networks/{name}", providernetHandler.deleteProviderNetHandler).Methods("DELETE")
 
+	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")
+
+	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")
+
 	return router
 }
diff --git a/src/ncm/api/netcontrolintenthandler.go b/src/ncm/api/netcontrolintenthandler.go
new file mode 100644
index 00000000..c59a389b
--- /dev/null
+++ b/src/ncm/api/netcontrolintenthandler.go
@@ -0,0 +1,198 @@
+/*
+ * 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 (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	moduleLib "github.com/onap/multicloud-k8s/src/ncm/pkg/module"
+	pkgerrors "github.com/pkg/errors"
+
+	"github.com/gorilla/mux"
+)
+
+// Used to store backend implementations objects
+// Also simplifies mocking for unit testing purposes
+type netcontrolintentHandler struct {
+	// Interface that implements Cluster operations
+	// We will set this variable with a mock interface for testing
+	client moduleLib.NetControlIntentManager
+}
+
+// Check for valid format of input parameters
+func validateNetControlIntentInputs(nci moduleLib.NetControlIntent) error {
+	// validate metadata
+	err := moduleLib.IsValidMetadata(nci.Metadata)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Invalid network controller intent metadata")
+	}
+	return nil
+}
+
+// Create handles creation of the NetControlIntent entry in the database
+func (h netcontrolintentHandler) createHandler(w http.ResponseWriter, r *http.Request) {
+	var nci moduleLib.NetControlIntent
+	vars := mux.Vars(r)
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+
+	err := json.NewDecoder(r.Body).Decode(&nci)
+
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	// Name is required.
+	if nci.Metadata.Name == "" {
+		http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+		return
+	}
+
+	err = validateNetControlIntentInputs(nci)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateNetControlIntent(nci, project, compositeApp, compositeAppVersion, false)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// Put handles creation/update of the NetControlIntent entry in the database
+func (h netcontrolintentHandler) putHandler(w http.ResponseWriter, r *http.Request) {
+	var nci moduleLib.NetControlIntent
+	vars := mux.Vars(r)
+	name := vars["name"]
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+
+	err := json.NewDecoder(r.Body).Decode(&nci)
+
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	// Name is required.
+	if nci.Metadata.Name == "" {
+		http.Error(w, "Missing name in PUT request", http.StatusBadRequest)
+		return
+	}
+
+	// Name in URL should match name in body
+	if nci.Metadata.Name != name {
+		fmt.Printf("bodyname = %v, name= %v\n", nci.Metadata.Name, name)
+		http.Error(w, "Mismatched name in PUT request", http.StatusBadRequest)
+		return
+	}
+
+	err = validateNetControlIntentInputs(nci)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateNetControlIntent(nci, project, compositeApp, compositeAppVersion, true)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// Get handles GET operations on a particular NetControlIntent Name
+// Returns a NetControlIntent
+func (h netcontrolintentHandler) getHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["name"]
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+	var ret interface{}
+	var err error
+
+	if len(name) == 0 {
+		ret, err = h.client.GetNetControlIntents(project, compositeApp, compositeAppVersion)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	} else {
+		ret, err = h.client.GetNetControlIntent(name, project, compositeApp, compositeAppVersion)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// Delete handles DELETE operations on a particular NetControlIntent  Name
+func (h netcontrolintentHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["name"]
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+
+	err := h.client.DeleteNetControlIntent(name, project, compositeApp, compositeAppVersion)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
diff --git a/src/ncm/api/workloadifintenthandler.go b/src/ncm/api/workloadifintenthandler.go
new file mode 100644
index 00000000..31472a5d
--- /dev/null
+++ b/src/ncm/api/workloadifintenthandler.go
@@ -0,0 +1,251 @@
+/*
+ * 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 (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	moduleLib "github.com/onap/multicloud-k8s/src/ncm/pkg/module"
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/validation"
+	pkgerrors "github.com/pkg/errors"
+
+	"github.com/gorilla/mux"
+)
+
+// Used to store backend implementations objects
+// Also simplifies mocking for unit testing purposes
+type workloadifintentHandler struct {
+	// Interface that implements workload intent operations
+	// We will set this variable with a mock interface for testing
+	client moduleLib.WorkloadIfIntentManager
+}
+
+// Check for valid format of input parameters
+func validateWorkloadIfIntentInputs(wif moduleLib.WorkloadIfIntent) error {
+	// validate metadata
+	err := moduleLib.IsValidMetadata(wif.Metadata)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Invalid network controller intent metadata")
+	}
+
+	errs := validation.IsValidName(wif.Spec.IfName)
+	if len(errs) > 0 {
+		return pkgerrors.Errorf("Invalid interface name = [%v], errors: %v", wif.Spec.IfName, errs)
+	}
+
+	errs = validation.IsValidName(wif.Spec.NetworkName)
+	if len(errs) > 0 {
+		return pkgerrors.Errorf("Invalid network name = [%v], errors: %v", wif.Spec.NetworkName, errs)
+	}
+
+	// optional - only validate if supplied
+	if len(wif.Spec.DefaultGateway) > 0 {
+		errs = validation.IsValidName(wif.Spec.DefaultGateway)
+		if len(errs) > 0 {
+			return pkgerrors.Errorf("Invalid default interface = [%v], errors: %v", wif.Spec.DefaultGateway, errs)
+		}
+	}
+
+	// optional - only validate if supplied
+	if len(wif.Spec.IpAddr) > 0 {
+		err = validation.IsIp(wif.Spec.IpAddr)
+		if err != nil {
+			return pkgerrors.Errorf("Invalid IP address = [%v], errors: %v", wif.Spec.IpAddr, err)
+		}
+	}
+
+	// optional - only validate if supplied
+	if len(wif.Spec.MacAddr) > 0 {
+		err = validation.IsMac(wif.Spec.MacAddr)
+		if err != nil {
+			return pkgerrors.Errorf("Invalid MAC address = [%v], errors: %v", wif.Spec.MacAddr, err)
+		}
+	}
+	return nil
+}
+
+// Create handles creation of the Network entry in the database
+func (h workloadifintentHandler) createHandler(w http.ResponseWriter, r *http.Request) {
+	var wif moduleLib.WorkloadIfIntent
+	vars := mux.Vars(r)
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+	netControlIntent := vars["net-control-intent"]
+	workloadIntent := vars["workload-intent"]
+
+	err := json.NewDecoder(r.Body).Decode(&wif)
+
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	// Name is required.
+	if wif.Metadata.Name == "" {
+		http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+		return
+	}
+
+	// set default value
+	if len(wif.Spec.DefaultGateway) == 0 {
+		wif.Spec.DefaultGateway = "false" // set default value
+	}
+
+	err = validateWorkloadIfIntentInputs(wif)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateWorkloadIfIntent(wif, project, compositeApp, compositeAppVersion, netControlIntent, workloadIntent, false)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// Put handles creation/update of the Network entry in the database
+func (h workloadifintentHandler) putHandler(w http.ResponseWriter, r *http.Request) {
+	var wif moduleLib.WorkloadIfIntent
+	vars := mux.Vars(r)
+	name := vars["name"]
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+	netControlIntent := vars["net-control-intent"]
+	workloadIntent := vars["workload-intent"]
+
+	err := json.NewDecoder(r.Body).Decode(&wif)
+
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	// Name is required.
+	if wif.Metadata.Name == "" {
+		http.Error(w, "Missing name in PUT request", http.StatusBadRequest)
+		return
+	}
+
+	// Name in URL should match name in body
+	if wif.Metadata.Name != name {
+		fmt.Printf("bodyname = %v, name= %v\n", wif.Metadata.Name, name)
+		http.Error(w, "Mismatched name in PUT request", http.StatusBadRequest)
+		return
+	}
+
+	// set default value
+	if len(wif.Spec.DefaultGateway) == 0 {
+		wif.Spec.DefaultGateway = "false" // set default value
+	}
+
+	err = validateWorkloadIfIntentInputs(wif)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateWorkloadIfIntent(wif, project, compositeApp, compositeAppVersion, netControlIntent, workloadIntent, true)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// Get handles GET operations on a particular Network Name
+// Returns a Network
+func (h workloadifintentHandler) getHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["name"]
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+	netControlIntent := vars["net-control-intent"]
+	workloadIntent := vars["workload-intent"]
+	var ret interface{}
+	var err error
+
+	if len(name) == 0 {
+		ret, err = h.client.GetWorkloadIfIntents(project, compositeApp, compositeAppVersion, netControlIntent, workloadIntent)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	} else {
+		ret, err = h.client.GetWorkloadIfIntent(name, project, compositeApp, compositeAppVersion, netControlIntent, workloadIntent)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// Delete handles DELETE operations on a particular Network  Name
+func (h workloadifintentHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["name"]
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+	netControlIntent := vars["net-control-intent"]
+	workloadIntent := vars["workload-intent"]
+
+	err := h.client.DeleteWorkloadIfIntent(name, project, compositeApp, compositeAppVersion, netControlIntent, workloadIntent)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
diff --git a/src/ncm/api/workloadintenthandler.go b/src/ncm/api/workloadintenthandler.go
new file mode 100644
index 00000000..f1d0093d
--- /dev/null
+++ b/src/ncm/api/workloadintenthandler.go
@@ -0,0 +1,218 @@
+/*
+ * 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 (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	moduleLib "github.com/onap/multicloud-k8s/src/ncm/pkg/module"
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/validation"
+	pkgerrors "github.com/pkg/errors"
+
+	"github.com/gorilla/mux"
+)
+
+// Used to store backend implementations objects
+// Also simplifies mocking for unit testing purposes
+type workloadintentHandler struct {
+	// Interface that implements workload intent operations
+	// We will set this variable with a mock interface for testing
+	client moduleLib.WorkloadIntentManager
+}
+
+// Check for valid format of input parameters
+func validateWorkloadIntentInputs(wi moduleLib.WorkloadIntent) error {
+	// validate metadata
+	err := moduleLib.IsValidMetadata(wi.Metadata)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Invalid network controller intent metadata")
+	}
+
+	errs := validation.IsValidName(wi.Spec.AppName)
+	if len(errs) > 0 {
+		return pkgerrors.Errorf("Invalid application name = [%v], errors: %v", wi.Spec.AppName, errs)
+	}
+
+	errs = validation.IsValidName(wi.Spec.WorkloadResource)
+	if len(errs) > 0 {
+		return pkgerrors.Errorf("Invalid workload resource = [%v], errors: %v", wi.Spec.WorkloadResource, errs)
+	}
+
+	errs = validation.IsValidName(wi.Spec.Type)
+	if len(errs) > 0 {
+		return pkgerrors.Errorf("Invalid workload type = [%v], errors: %v", wi.Spec.Type, errs)
+	}
+	return nil
+}
+
+// Create handles creation of the Network entry in the database
+func (h workloadintentHandler) createHandler(w http.ResponseWriter, r *http.Request) {
+	var wi moduleLib.WorkloadIntent
+	vars := mux.Vars(r)
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+	netControlIntent := vars["net-control-intent"]
+
+	err := json.NewDecoder(r.Body).Decode(&wi)
+
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	// Name is required.
+	if wi.Metadata.Name == "" {
+		http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+		return
+	}
+
+	err = validateWorkloadIntentInputs(wi)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateWorkloadIntent(wi, project, compositeApp, compositeAppVersion, netControlIntent, false)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// Put handles creation/update of the Network entry in the database
+func (h workloadintentHandler) putHandler(w http.ResponseWriter, r *http.Request) {
+	var wi moduleLib.WorkloadIntent
+	vars := mux.Vars(r)
+	name := vars["name"]
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+	netControlIntent := vars["net-control-intent"]
+
+	err := json.NewDecoder(r.Body).Decode(&wi)
+
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	// Name is required.
+	if wi.Metadata.Name == "" {
+		http.Error(w, "Missing name in PUT request", http.StatusBadRequest)
+		return
+	}
+
+	// Name in URL should match name in body
+	if wi.Metadata.Name != name {
+		fmt.Printf("bodyname = %v, name= %v\n", wi.Metadata.Name, name)
+		http.Error(w, "Mismatched name in PUT request", http.StatusBadRequest)
+		return
+	}
+
+	err = validateWorkloadIntentInputs(wi)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateWorkloadIntent(wi, project, compositeApp, compositeAppVersion, netControlIntent, true)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// Get handles GET operations on a particular Network Name
+// Returns a Network
+func (h workloadintentHandler) getHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["name"]
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+	netControlIntent := vars["net-control-intent"]
+	var ret interface{}
+	var err error
+
+	if len(name) == 0 {
+		ret, err = h.client.GetWorkloadIntents(project, compositeApp, compositeAppVersion, netControlIntent)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	} else {
+		ret, err = h.client.GetWorkloadIntent(name, project, compositeApp, compositeAppVersion, netControlIntent)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// Delete handles DELETE operations on a particular Network  Name
+func (h workloadintentHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["name"]
+	project := vars["project"]
+	compositeApp := vars["composite-app-name"]
+	compositeAppVersion := vars["version"]
+	netControlIntent := vars["net-control-intent"]
+
+	err := h.client.DeleteWorkloadIntent(name, project, compositeApp, compositeAppVersion, netControlIntent)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
diff --git a/src/ncm/pkg/module/module.go b/src/ncm/pkg/module/module.go
index a9950901..9655c1de 100644
--- a/src/ncm/pkg/module/module.go
+++ b/src/ncm/pkg/module/module.go
@@ -16,11 +16,14 @@
 
 package module
 
-// Client for using the services in the orchestrator
+// Client for using the services in the ncm
 type Client struct {
-	Cluster     *ClusterClient
-	Network     *NetworkClient
-	ProviderNet *ProviderNetClient
+	Cluster          *ClusterClient
+	Network          *NetworkClient
+	ProviderNet      *ProviderNetClient
+	NetControlIntent *NetControlIntentClient
+	WorkloadIntent   *WorkloadIntentClient
+	WorkloadIfIntent *WorkloadIfIntentClient
 	// Add Clients for API's here
 }
 
@@ -30,6 +33,9 @@ func NewClient() *Client {
 	c.Cluster = NewClusterClient()
 	c.Network = NewNetworkClient()
 	c.ProviderNet = NewProviderNetClient()
+	c.NetControlIntent = NewNetControlIntentClient()
+	c.WorkloadIntent = NewWorkloadIntentClient()
+	c.WorkloadIfIntent = NewWorkloadIfIntentClient()
 	// Add Client API handlers here
 	return c
 }
diff --git a/src/ncm/pkg/module/module_definitions.go b/src/ncm/pkg/module/module_definitions.go
index 1e839014..729a9dbd 100644
--- a/src/ncm/pkg/module/module_definitions.go
+++ b/src/ncm/pkg/module/module_definitions.go
@@ -32,6 +32,9 @@ const CNI_TYPE_OVN4NFV string = "ovn4nfv"
 var CNI_TYPES = [...]string{CNI_TYPE_OVN4NFV}
 
 // It implements the interface for managing the ClusterProviders
+const MAX_DESCRIPTION_LEN int = 1024
+const MAX_USERDATA_LEN int = 4096
+
 type Metadata struct {
 	Name        string `json:"name"`
 	Description string `json:"description"`
@@ -65,6 +68,31 @@ type Vlan struct {
 	NodeLabelList         []string `json:"nodeLabelList"`
 }
 
+// Check for valid format Metadata
+func IsValidMetadata(metadata Metadata) error {
+	errs := validation.IsValidName(metadata.Name)
+	if len(errs) > 0 {
+		return pkgerrors.Errorf("Invalid Metadata name=[%v], errors: %v", metadata.Name, errs)
+	}
+
+	errs = validation.IsValidString(metadata.Description, 0, MAX_DESCRIPTION_LEN, validation.VALID_ANY_STR)
+	if len(errs) > 0 {
+		return pkgerrors.Errorf("Invalid Metadata description=[%v], errors: %v", metadata.Description, errs)
+	}
+
+	errs = validation.IsValidString(metadata.UserData1, 0, MAX_DESCRIPTION_LEN, validation.VALID_ANY_STR)
+	if len(errs) > 0 {
+		return pkgerrors.Errorf("Invalid Metadata description=[%v], errors: %v", metadata.UserData1, errs)
+	}
+
+	errs = validation.IsValidString(metadata.UserData2, 0, MAX_DESCRIPTION_LEN, validation.VALID_ANY_STR)
+	if len(errs) > 0 {
+		return pkgerrors.Errorf("Invalid Metadata description=[%v], errors: %v", metadata.UserData2, errs)
+	}
+
+	return nil
+}
+
 // Check for valid format of an Ipv4Subnet
 func ValidateSubnet(sub Ipv4Subnet) error {
 	// verify subnet is in valid cidr format
diff --git a/src/ncm/pkg/module/netcontrolintent.go b/src/ncm/pkg/module/netcontrolintent.go
new file mode 100644
index 00000000..e94dd9db
--- /dev/null
+++ b/src/ncm/pkg/module/netcontrolintent.go
@@ -0,0 +1,170 @@
+/*
+ * 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 module
+
+import (
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db"
+	orchestrator "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module"
+
+	pkgerrors "github.com/pkg/errors"
+)
+
+// NetControlIntent contains the parameters needed for dynamic networks
+type NetControlIntent struct {
+	Metadata Metadata `json:"metadata"`
+}
+
+// NetControlIntentKey is the key structure that is used in the database
+type NetControlIntentKey struct {
+	NetControlIntent    string `json:"netcontrolintent"`
+	Project             string `json:"project"`
+	CompositeApp        string `json:"compositeapp"`
+	CompositeAppVersion string `json:"compositeappversion"`
+}
+
+// Manager is an interface exposing the NetControlIntent functionality
+type NetControlIntentManager interface {
+	CreateNetControlIntent(nci NetControlIntent, project, compositeapp, compositeappversion string, exists bool) (NetControlIntent, error)
+	GetNetControlIntent(name, project, compositeapp, compositeappversion string) (NetControlIntent, error)
+	GetNetControlIntents(project, compositeapp, compositeappversion string) ([]NetControlIntent, error)
+	DeleteNetControlIntent(name, project, compositeapp, compositeappversion string) error
+}
+
+// NetControlIntentClient implements the Manager
+// It will also be used to maintain some localized state
+type NetControlIntentClient struct {
+	db ClientDbInfo
+}
+
+// NewNetControlIntentClient returns an instance of the NetControlIntentClient
+// which implements the Manager
+func NewNetControlIntentClient() *NetControlIntentClient {
+	return &NetControlIntentClient{
+		db: ClientDbInfo{
+			storeName: "orchestrator",
+			tagMeta:   "netcontrolintentmetadata",
+		},
+	}
+}
+
+// CreateNetControlIntent - create a new NetControlIntent
+func (v *NetControlIntentClient) CreateNetControlIntent(nci NetControlIntent, project, compositeapp, compositeappversion string, exists bool) (NetControlIntent, error) {
+
+	//Construct key and tag to select the entry
+	key := NetControlIntentKey{
+		NetControlIntent:    nci.Metadata.Name,
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+	}
+
+	//Check if composite app/version exists
+	_, err := orchestrator.NewCompositeAppClient().GetCompositeApp(compositeapp, compositeappversion, project)
+	if err != nil {
+		return NetControlIntent{}, pkgerrors.New("Unable to find the composite app/version")
+	}
+
+	//Check if this NetControlIntent already exists
+	_, err = v.GetNetControlIntent(nci.Metadata.Name, project, compositeapp, compositeappversion)
+	if err == nil && !exists {
+		return NetControlIntent{}, pkgerrors.New("NetControlIntent already exists")
+	}
+
+	err = db.DBconn.Insert(v.db.storeName, key, nil, v.db.tagMeta, nci)
+	if err != nil {
+		return NetControlIntent{}, pkgerrors.Wrap(err, "Creating DB Entry")
+	}
+
+	return nci, nil
+}
+
+// GetNetControlIntent returns the NetControlIntent for corresponding name
+func (v *NetControlIntentClient) GetNetControlIntent(name, project, compositeapp, compositeappversion string) (NetControlIntent, error) {
+
+	//Construct key and tag to select the entry
+	key := NetControlIntentKey{
+		NetControlIntent:    name,
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+	}
+
+	value, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
+	if err != nil {
+		return NetControlIntent{}, pkgerrors.Wrap(err, "Get NetControlIntent")
+	}
+
+	//value is a byte array
+	if value != nil {
+		nci := NetControlIntent{}
+		err = db.DBconn.Unmarshal(value[0], &nci)
+		if err != nil {
+			return NetControlIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+		}
+		return nci, nil
+	}
+
+	return NetControlIntent{}, pkgerrors.New("Error getting NetControlIntent")
+}
+
+// GetNetControlIntentList returns all of the NetControlIntent for corresponding name
+func (v *NetControlIntentClient) GetNetControlIntents(project, compositeapp, compositeappversion string) ([]NetControlIntent, error) {
+
+	//Construct key and tag to select the entry
+	key := NetControlIntentKey{
+		NetControlIntent:    "",
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+	}
+
+	var resp []NetControlIntent
+	values, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
+	if err != nil {
+		return []NetControlIntent{}, pkgerrors.Wrap(err, "Get NetControlIntents")
+	}
+
+	for _, value := range values {
+		nci := NetControlIntent{}
+		err = db.DBconn.Unmarshal(value, &nci)
+		if err != nil {
+			return []NetControlIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+		}
+		resp = append(resp, nci)
+	}
+
+	return resp, nil
+}
+
+// Delete the  NetControlIntent from database
+func (v *NetControlIntentClient) DeleteNetControlIntent(name, project, compositeapp, compositeappversion string) error {
+
+	//Construct key and tag to select the entry
+	key := NetControlIntentKey{
+		NetControlIntent:    name,
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+	}
+
+	err := db.DBconn.Remove(v.db.storeName, key)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Delete NetControlIntent Entry;")
+	}
+
+	return nil
+}
diff --git a/src/ncm/pkg/module/workloadifintent.go b/src/ncm/pkg/module/workloadifintent.go
new file mode 100644
index 00000000..55062564
--- /dev/null
+++ b/src/ncm/pkg/module/workloadifintent.go
@@ -0,0 +1,188 @@
+/*
+ * 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 module
+
+import (
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db"
+
+	pkgerrors "github.com/pkg/errors"
+)
+
+// WorkloadIfIntent contains the parameters needed for dynamic networks
+type WorkloadIfIntent struct {
+	Metadata Metadata             `json:"metadata"`
+	Spec     WorkloadIfIntentSpec `json:"spec"`
+}
+
+type WorkloadIfIntentSpec struct {
+	IfName         string `json:"interface"`
+	NetworkName    string `json:"name"`
+	DefaultGateway string `json:"defaultGateway"`       // optional, default value is "false"
+	IpAddr         string `json:"ipAddress,omitempty"`  // optional, if not provided then will be dynamically allocated
+	MacAddr        string `json:"macAddress,omitempty"` // optional, if not provided then will be dynamically allocated
+}
+
+// WorkloadIfIntentKey is the key structure that is used in the database
+type WorkloadIfIntentKey struct {
+	Project             string `json:"provider"`
+	CompositeApp        string `json:"compositeapp"`
+	CompositeAppVersion string `json:"compositeappversion"`
+	NetControlIntent    string `json:"netcontrolintent"`
+	WorkloadIntent      string `json:"workloadintent"`
+	WorkloadIfIntent    string `json:"workloadifintent"`
+}
+
+// Manager is an interface exposing the WorkloadIfIntent functionality
+type WorkloadIfIntentManager interface {
+	CreateWorkloadIfIntent(wi WorkloadIfIntent, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string, exists bool) (WorkloadIfIntent, error)
+	GetWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) (WorkloadIfIntent, error)
+	GetWorkloadIfIntents(project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) ([]WorkloadIfIntent, error)
+	DeleteWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) error
+}
+
+// WorkloadIfIntentClient implements the Manager
+// It will also be used to maintain some localized state
+type WorkloadIfIntentClient struct {
+	db ClientDbInfo
+}
+
+// NewWorkloadIfIntentClient returns an instance of the WorkloadIfIntentClient
+// which implements the Manager
+func NewWorkloadIfIntentClient() *WorkloadIfIntentClient {
+	return &WorkloadIfIntentClient{
+		db: ClientDbInfo{
+			storeName: "orchestrator",
+			tagMeta:   "workloadifintentmetadata",
+		},
+	}
+}
+
+// CreateWorkloadIfIntent - create a new WorkloadIfIntent
+func (v *WorkloadIfIntentClient) CreateWorkloadIfIntent(wif WorkloadIfIntent, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string, exists bool) (WorkloadIfIntent, error) {
+
+	//Construct key and tag to select the entry
+	key := WorkloadIfIntentKey{
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+		NetControlIntent:    netcontrolintent,
+		WorkloadIntent:      workloadintent,
+		WorkloadIfIntent:    wif.Metadata.Name,
+	}
+
+	//Check if the Workload Intent exists
+	_, err := NewWorkloadIntentClient().GetWorkloadIntent(workloadintent, project, compositeapp, compositeappversion, netcontrolintent)
+	if err != nil {
+		return WorkloadIfIntent{}, pkgerrors.Errorf("Workload Intent %v does not exist", workloadintent)
+	}
+
+	//Check if this WorkloadIfIntent already exists
+	_, err = v.GetWorkloadIfIntent(wif.Metadata.Name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent)
+	if err == nil && !exists {
+		return WorkloadIfIntent{}, pkgerrors.New("WorkloadIfIntent already exists")
+	}
+
+	err = db.DBconn.Insert(v.db.storeName, key, nil, v.db.tagMeta, wif)
+	if err != nil {
+		return WorkloadIfIntent{}, pkgerrors.Wrap(err, "Creating DB Entry")
+	}
+
+	return wif, nil
+}
+
+// GetWorkloadIfIntent returns the WorkloadIfIntent for corresponding name
+func (v *WorkloadIfIntentClient) GetWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) (WorkloadIfIntent, error) {
+
+	//Construct key and tag to select the entry
+	key := WorkloadIfIntentKey{
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+		NetControlIntent:    netcontrolintent,
+		WorkloadIntent:      workloadintent,
+		WorkloadIfIntent:    name,
+	}
+
+	value, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
+	if err != nil {
+		return WorkloadIfIntent{}, pkgerrors.Wrap(err, "Get WorkloadIfIntent")
+	}
+
+	//value is a byte array
+	if value != nil {
+		wif := WorkloadIfIntent{}
+		err = db.DBconn.Unmarshal(value[0], &wif)
+		if err != nil {
+			return WorkloadIfIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+		}
+		return wif, nil
+	}
+
+	return WorkloadIfIntent{}, pkgerrors.New("Error getting WorkloadIfIntent")
+}
+
+// GetWorkloadIfIntentList returns all of the WorkloadIfIntent for corresponding name
+func (v *WorkloadIfIntentClient) GetWorkloadIfIntents(project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) ([]WorkloadIfIntent, error) {
+
+	//Construct key and tag to select the entry
+	key := WorkloadIfIntentKey{
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+		NetControlIntent:    netcontrolintent,
+		WorkloadIntent:      workloadintent,
+		WorkloadIfIntent:    "",
+	}
+
+	var resp []WorkloadIfIntent
+	values, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
+	if err != nil {
+		return []WorkloadIfIntent{}, pkgerrors.Wrap(err, "Get WorkloadIfIntents")
+	}
+
+	for _, value := range values {
+		wif := WorkloadIfIntent{}
+		err = db.DBconn.Unmarshal(value, &wif)
+		if err != nil {
+			return []WorkloadIfIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+		}
+		resp = append(resp, wif)
+	}
+
+	return resp, nil
+}
+
+// Delete the  WorkloadIfIntent from database
+func (v *WorkloadIfIntentClient) DeleteWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) error {
+
+	//Construct key and tag to select the entry
+	key := WorkloadIfIntentKey{
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+		NetControlIntent:    netcontrolintent,
+		WorkloadIntent:      workloadintent,
+		WorkloadIfIntent:    name,
+	}
+
+	err := db.DBconn.Remove(v.db.storeName, key)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Delete WorkloadIfIntent Entry;")
+	}
+
+	return nil
+}
diff --git a/src/ncm/pkg/module/workloadintent.go b/src/ncm/pkg/module/workloadintent.go
new file mode 100644
index 00000000..e6916954
--- /dev/null
+++ b/src/ncm/pkg/module/workloadintent.go
@@ -0,0 +1,181 @@
+/*
+ * 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 module
+
+import (
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db"
+
+	pkgerrors "github.com/pkg/errors"
+)
+
+// WorkloadIntent contains the parameters needed for dynamic networks
+type WorkloadIntent struct {
+	Metadata Metadata           `json:"metadata"`
+	Spec     WorkloadIntentSpec `json:"spec"`
+}
+
+type WorkloadIntentSpec struct {
+	AppName          string `json:"application-name"`
+	WorkloadResource string `json:"workload-resource"`
+	Type             string `json:"type"`
+}
+
+// WorkloadIntentKey is the key structure that is used in the database
+type WorkloadIntentKey struct {
+	Project             string `json:"provider"`
+	CompositeApp        string `json:"compositeapp"`
+	CompositeAppVersion string `json:"compositeappversion"`
+	NetControlIntent    string `json:"netcontrolintent"`
+	WorkloadIntent      string `json:"workloadintent"`
+}
+
+// Manager is an interface exposing the WorkloadIntent functionality
+type WorkloadIntentManager interface {
+	CreateWorkloadIntent(wi WorkloadIntent, project, compositeapp, compositeappversion, netcontrolintent string, exists bool) (WorkloadIntent, error)
+	GetWorkloadIntent(name, project, compositeapp, compositeappversion, netcontrolintent string) (WorkloadIntent, error)
+	GetWorkloadIntents(project, compositeapp, compositeappversion, netcontrolintent string) ([]WorkloadIntent, error)
+	DeleteWorkloadIntent(name, project, compositeapp, compositeappversion, netcontrolintent string) error
+}
+
+// WorkloadIntentClient implements the Manager
+// It will also be used to maintain some localized state
+type WorkloadIntentClient struct {
+	db ClientDbInfo
+}
+
+// NewWorkloadIntentClient returns an instance of the WorkloadIntentClient
+// which implements the Manager
+func NewWorkloadIntentClient() *WorkloadIntentClient {
+	return &WorkloadIntentClient{
+		db: ClientDbInfo{
+			storeName: "orchestrator",
+			tagMeta:   "workloadintentmetadata",
+		},
+	}
+}
+
+// CreateWorkloadIntent - create a new WorkloadIntent
+func (v *WorkloadIntentClient) CreateWorkloadIntent(wi WorkloadIntent, project, compositeapp, compositeappversion, netcontrolintent string, exists bool) (WorkloadIntent, error) {
+
+	//Construct key and tag to select the entry
+	key := WorkloadIntentKey{
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+		NetControlIntent:    netcontrolintent,
+		WorkloadIntent:      wi.Metadata.Name,
+	}
+
+	//Check if the Network Control Intent exists
+	_, err := NewNetControlIntentClient().GetNetControlIntent(netcontrolintent, project, compositeapp, compositeappversion)
+	if err != nil {
+		return WorkloadIntent{}, pkgerrors.Errorf("Network Control Intent %v does not exist", netcontrolintent)
+	}
+
+	//Check if this WorkloadIntent already exists
+	_, err = v.GetWorkloadIntent(wi.Metadata.Name, project, compositeapp, compositeappversion, netcontrolintent)
+	if err == nil && !exists {
+		return WorkloadIntent{}, pkgerrors.New("WorkloadIntent already exists")
+	}
+
+	err = db.DBconn.Insert(v.db.storeName, key, nil, v.db.tagMeta, wi)
+	if err != nil {
+		return WorkloadIntent{}, pkgerrors.Wrap(err, "Creating DB Entry")
+	}
+
+	return wi, nil
+}
+
+// GetWorkloadIntent returns the WorkloadIntent for corresponding name
+func (v *WorkloadIntentClient) GetWorkloadIntent(name, project, compositeapp, compositeappversion, netcontrolintent string) (WorkloadIntent, error) {
+
+	//Construct key and tag to select the entry
+	key := WorkloadIntentKey{
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+		NetControlIntent:    netcontrolintent,
+		WorkloadIntent:      name,
+	}
+
+	value, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
+	if err != nil {
+		return WorkloadIntent{}, pkgerrors.Wrap(err, "Get WorkloadIntent")
+	}
+
+	//value is a byte array
+	if value != nil {
+		wi := WorkloadIntent{}
+		err = db.DBconn.Unmarshal(value[0], &wi)
+		if err != nil {
+			return WorkloadIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+		}
+		return wi, nil
+	}
+
+	return WorkloadIntent{}, pkgerrors.New("Error getting WorkloadIntent")
+}
+
+// GetWorkloadIntentList returns all of the WorkloadIntent for corresponding name
+func (v *WorkloadIntentClient) GetWorkloadIntents(project, compositeapp, compositeappversion, netcontrolintent string) ([]WorkloadIntent, error) {
+
+	//Construct key and tag to select the entry
+	key := WorkloadIntentKey{
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+		NetControlIntent:    netcontrolintent,
+		WorkloadIntent:      "",
+	}
+
+	var resp []WorkloadIntent
+	values, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
+	if err != nil {
+		return []WorkloadIntent{}, pkgerrors.Wrap(err, "Get WorkloadIntents")
+	}
+
+	for _, value := range values {
+		wi := WorkloadIntent{}
+		err = db.DBconn.Unmarshal(value, &wi)
+		if err != nil {
+			return []WorkloadIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+		}
+		resp = append(resp, wi)
+	}
+
+	return resp, nil
+}
+
+// Delete the  WorkloadIntent from database
+func (v *WorkloadIntentClient) DeleteWorkloadIntent(name, project, compositeapp, compositeappversion, netcontrolintent string) error {
+
+	//Construct key and tag to select the entry
+	key := WorkloadIntentKey{
+		Project:             project,
+		CompositeApp:        compositeapp,
+		CompositeAppVersion: compositeappversion,
+		NetControlIntent:    netcontrolintent,
+		WorkloadIntent:      name,
+	}
+
+	err := db.DBconn.Remove(v.db.storeName, key)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Delete WorkloadIntent Entry;")
+	}
+
+	return nil
+}