Move cluster management into its own microservice

Split out the cluster provider and cluster APIs
and packages into a separate microservice to align
with the architecture.

Issue-ID: MULTICLOUD-1029
Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>
Change-Id: I08f357b5a488004a2389b72a178ae33e101d1540

4 files changed, 2025 insertions, 0 deletions

diff --git a/src/clm/api/api.go b/src/clm/api/api.go
new file mode 100644
index 00000000..fce264da
--- /dev/null
+++ b/src/clm/api/api.go
@@ -0,0 +1,77 @@
+/*
+ * 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"
+	"github.com/onap/multicloud-k8s/src/clm/pkg/cluster"
+	"github.com/onap/multicloud-k8s/src/clm/pkg/module"
+)
+
+var moduleClient *module.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 *cluster.ClusterClient:
+		if testClient != nil && reflect.TypeOf(testClient).Implements(reflect.TypeOf((*cluster.ClusterManager)(nil)).Elem()) {
+			c, ok := testClient.(cluster.ClusterManager)
+			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 = module.NewClient()
+
+	router := mux.NewRouter().PathPrefix("/v2").Subrouter()
+
+	clusterHandler := clusterHandler{
+		client: setClient(moduleClient.Cluster, testClient).(cluster.ClusterManager),
+	}
+	router.HandleFunc("/cluster-providers", clusterHandler.createClusterProviderHandler).Methods("POST")
+	router.HandleFunc("/cluster-providers", clusterHandler.getClusterProviderHandler).Methods("GET")
+	router.HandleFunc("/cluster-providers/{name}", clusterHandler.getClusterProviderHandler).Methods("GET")
+	router.HandleFunc("/cluster-providers/{name}", clusterHandler.deleteClusterProviderHandler).Methods("DELETE")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters", clusterHandler.createClusterHandler).Methods("POST")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters", clusterHandler.getClusterHandler).Methods("GET")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters", clusterHandler.getClusterHandler).Queries("label", "{label}")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{name}", clusterHandler.getClusterHandler).Methods("GET")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{name}", clusterHandler.deleteClusterHandler).Methods("DELETE")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{cluster-name}/labels", clusterHandler.createClusterLabelHandler).Methods("POST")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{cluster-name}/labels", clusterHandler.getClusterLabelHandler).Methods("GET")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{cluster-name}/labels/{label}", clusterHandler.getClusterLabelHandler).Methods("GET")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{cluster-name}/labels/{label}", clusterHandler.deleteClusterLabelHandler).Methods("DELETE")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{cluster-name}/kv-pairs", clusterHandler.createClusterKvPairsHandler).Methods("POST")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{cluster-name}/kv-pairs", clusterHandler.getClusterKvPairsHandler).Methods("GET")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{cluster-name}/kv-pairs/{kvpair}", clusterHandler.getClusterKvPairsHandler).Methods("GET")
+	router.HandleFunc("/cluster-providers/{provider-name}/clusters/{cluster-name}/kv-pairs/{kvpair}", clusterHandler.deleteClusterKvPairsHandler).Methods("DELETE")
+
+	return router
+}
diff --git a/src/clm/api/clusterhandler.go b/src/clm/api/clusterhandler.go
new file mode 100644
index 00000000..84dd3230
--- /dev/null
+++ b/src/clm/api/clusterhandler.go
@@ -0,0 +1,485 @@
+/*
+ * 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 (
+	"bytes"
+	"encoding/base64"
+	"encoding/json"
+	"io"
+	"io/ioutil"
+	"mime"
+	"mime/multipart"
+	"net/http"
+	"net/textproto"
+
+	clusterPkg "github.com/onap/multicloud-k8s/src/clm/pkg/cluster"
+
+	"github.com/gorilla/mux"
+)
+
+// Used to store backend implementations objects
+// Also simplifies mocking for unit testing purposes
+type clusterHandler struct {
+	// Interface that implements Cluster operations
+	// We will set this variable with a mock interface for testing
+	client clusterPkg.ClusterManager
+}
+
+// Create handles creation of the ClusterProvider entry in the database
+func (h clusterHandler) createClusterProviderHandler(w http.ResponseWriter, r *http.Request) {
+	var p clusterPkg.ClusterProvider
+
+	err := json.NewDecoder(r.Body).Decode(&p)
+
+	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 p.Metadata.Name == "" {
+		http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateClusterProvider(p)
+	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 ClusterProvider Name
+// Returns a ClusterProvider
+func (h clusterHandler) getClusterProviderHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["name"]
+	var ret interface{}
+	var err error
+
+	if len(name) == 0 {
+		ret, err = h.client.GetClusterProviders()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	} else {
+		ret, err = h.client.GetClusterProvider(name)
+		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 ClusterProvider  Name
+func (h clusterHandler) deleteClusterProviderHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["name"]
+
+	err := h.client.DeleteClusterProvider(name)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+// Create handles creation of the Cluster entry in the database
+func (h clusterHandler) createClusterHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	provider := vars["provider-name"]
+	var p clusterPkg.Cluster
+	var q clusterPkg.ClusterContent
+
+	// Implemenation using multipart form
+	// Review and enable/remove at a later date
+	// Set Max size to 16mb here
+	err := r.ParseMultipartForm(16777216)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	jsn := bytes.NewBuffer([]byte(r.FormValue("metadata")))
+	err = json.NewDecoder(jsn).Decode(&p)
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	//Read the file section and ignore the header
+	file, _, err := r.FormFile("file")
+	if err != nil {
+		http.Error(w, "Unable to process file", http.StatusUnprocessableEntity)
+		return
+	}
+
+	defer file.Close()
+
+	//Convert the file content to base64 for storage
+	content, err := ioutil.ReadAll(file)
+	if err != nil {
+		http.Error(w, "Unable to read file", http.StatusUnprocessableEntity)
+		return
+	}
+
+	q.Kubeconfig = base64.StdEncoding.EncodeToString(content)
+
+	// Name is required.
+	if p.Metadata.Name == "" {
+		http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateCluster(provider, p, q)
+	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 Cluster Name
+// Returns a Cluster
+func (h clusterHandler) getClusterHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	provider := vars["provider-name"]
+	name := vars["name"]
+
+	label := r.URL.Query().Get("label")
+	if len(label) != 0 {
+		ret, err := h.client.GetClustersWithLabel(provider, label)
+		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
+		}
+		return
+	}
+
+	// handle the get all clusters case - return a list of only the json parts
+	if len(name) == 0 {
+		var retList []clusterPkg.Cluster
+
+		ret, err := h.client.GetClusters(provider)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		for _, cl := range ret {
+			retList = append(retList, clusterPkg.Cluster{Metadata: cl.Metadata})
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		err = json.NewEncoder(w).Encode(retList)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		return
+	}
+
+	accepted, _, err := mime.ParseMediaType(r.Header.Get("Accept"))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusNotAcceptable)
+		return
+	}
+
+	retCluster, err := h.client.GetCluster(provider, name)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	retKubeconfig, err := h.client.GetClusterContent(provider, name)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	switch accepted {
+	case "multipart/form-data":
+		mpw := multipart.NewWriter(w)
+		w.Header().Set("Content-Type", mpw.FormDataContentType())
+		w.WriteHeader(http.StatusOK)
+		pw, err := mpw.CreatePart(textproto.MIMEHeader{"Content-Type": {"application/json"}, "Content-Disposition": {"form-data; name=metadata"}})
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		if err := json.NewEncoder(pw).Encode(retCluster); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		pw, err = mpw.CreatePart(textproto.MIMEHeader{"Content-Type": {"application/octet-stream"}, "Content-Disposition": {"form-data; name=file; filename=kubeconfig"}})
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		kcBytes, err := base64.StdEncoding.DecodeString(retKubeconfig.Kubeconfig)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		_, err = pw.Write(kcBytes)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	case "application/json":
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		err = json.NewEncoder(w).Encode(retCluster)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	case "application/octet-stream":
+		w.Header().Set("Content-Type", "application/octet-stream")
+		w.WriteHeader(http.StatusOK)
+		kcBytes, err := base64.StdEncoding.DecodeString(retKubeconfig.Kubeconfig)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		_, err = w.Write(kcBytes)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	default:
+		http.Error(w, "set Accept: multipart/form-data, application/json or application/octet-stream", http.StatusMultipleChoices)
+		return
+	}
+}
+
+// Delete handles DELETE operations on a particular Cluster Name
+func (h clusterHandler) deleteClusterHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	provider := vars["provider-name"]
+	name := vars["name"]
+
+	err := h.client.DeleteCluster(provider, name)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+// Create handles creation of the ClusterLabel entry in the database
+func (h clusterHandler) createClusterLabelHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	provider := vars["provider-name"]
+	cluster := vars["cluster-name"]
+	var p clusterPkg.ClusterLabel
+
+	err := json.NewDecoder(r.Body).Decode(&p)
+
+	// LabelName is required.
+	if p.LabelName == "" {
+		http.Error(w, "Missing label name in POST request", http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateClusterLabel(provider, cluster, p)
+	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 Cluster Label
+// Returns a ClusterLabel
+func (h clusterHandler) getClusterLabelHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	provider := vars["provider-name"]
+	cluster := vars["cluster-name"]
+	label := vars["label"]
+
+	var ret interface{}
+	var err error
+
+	if len(label) == 0 {
+		ret, err = h.client.GetClusterLabels(provider, cluster)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	} else {
+		ret, err = h.client.GetClusterLabel(provider, cluster, label)
+		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 ClusterLabel Name
+func (h clusterHandler) deleteClusterLabelHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	provider := vars["provider-name"]
+	cluster := vars["cluster-name"]
+	label := vars["label"]
+
+	err := h.client.DeleteClusterLabel(provider, cluster, label)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+// Create handles creation of the ClusterKvPairs entry in the database
+func (h clusterHandler) createClusterKvPairsHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	provider := vars["provider-name"]
+	cluster := vars["cluster-name"]
+	var p clusterPkg.ClusterKvPairs
+
+	err := json.NewDecoder(r.Body).Decode(&p)
+
+	// KvPairsName is required.
+	if p.Metadata.Name == "" {
+		http.Error(w, "Missing Key Value pair name in POST request", http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateClusterKvPairs(provider, cluster, p)
+	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 Cluster Key Value Pair
+// Returns a ClusterKvPairs
+func (h clusterHandler) getClusterKvPairsHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	provider := vars["provider-name"]
+	cluster := vars["cluster-name"]
+	kvpair := vars["kvpair"]
+
+	var ret interface{}
+	var err error
+
+	if len(kvpair) == 0 {
+		ret, err = h.client.GetAllClusterKvPairs(provider, cluster)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	} else {
+		ret, err = h.client.GetClusterKvPairs(provider, cluster, kvpair)
+		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 Cluster Name
+func (h clusterHandler) deleteClusterKvPairsHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	provider := vars["provider-name"]
+	cluster := vars["cluster-name"]
+	kvpair := vars["kvpair"]
+
+	err := h.client.DeleteClusterKvPairs(provider, cluster, kvpair)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
diff --git a/src/clm/api/clusterhandler_test.go b/src/clm/api/clusterhandler_test.go
new file mode 100644
index 00000000..7095e87c
--- /dev/null
+++ b/src/clm/api/clusterhandler_test.go
@@ -0,0 +1,1432 @@
+/*
+ * 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 (
+	"bytes"
+	"encoding/json"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"net/http/httptest"
+	"net/textproto"
+	"reflect"
+	"testing"
+
+	"github.com/onap/multicloud-k8s/src/clm/pkg/cluster"
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/appcontext"
+	types "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module/types"
+
+	pkgerrors "github.com/pkg/errors"
+)
+
+//Creating an embedded interface via anonymous variable
+//This allows us to make mockDB satisfy the DatabaseConnection
+//interface even if we are not implementing all the methods in it
+type mockClusterManager struct {
+	// Items and err will be used to customize each test
+	// via a localized instantiation of mockClusterManager
+	ClusterProviderItems []cluster.ClusterProvider
+	ClusterItems         []cluster.Cluster
+	ClusterContentItems  []cluster.ClusterContent
+	ClusterContextItems  []appcontext.AppContext
+	ClusterLabelItems    []cluster.ClusterLabel
+	ClusterKvPairsItems  []cluster.ClusterKvPairs
+	ClusterList          []string
+	Err                  error
+}
+
+func (m *mockClusterManager) CreateClusterProvider(inp cluster.ClusterProvider) (cluster.ClusterProvider, error) {
+	if m.Err != nil {
+		return cluster.ClusterProvider{}, m.Err
+	}
+
+	return m.ClusterProviderItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterProvider(name string) (cluster.ClusterProvider, error) {
+	if m.Err != nil {
+		return cluster.ClusterProvider{}, m.Err
+	}
+
+	return m.ClusterProviderItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterProviders() ([]cluster.ClusterProvider, error) {
+	if m.Err != nil {
+		return []cluster.ClusterProvider{}, m.Err
+	}
+
+	return m.ClusterProviderItems, nil
+}
+
+func (m *mockClusterManager) DeleteClusterProvider(name string) error {
+	return m.Err
+}
+
+func (m *mockClusterManager) CreateCluster(provider string, inp cluster.Cluster, inq cluster.ClusterContent) (cluster.Cluster, error) {
+	if m.Err != nil {
+		return cluster.Cluster{}, m.Err
+	}
+
+	return m.ClusterItems[0], nil
+}
+
+func (m *mockClusterManager) GetCluster(provider, name string) (cluster.Cluster, error) {
+	if m.Err != nil {
+		return cluster.Cluster{}, m.Err
+	}
+
+	return m.ClusterItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterContent(provider, name string) (cluster.ClusterContent, error) {
+	if m.Err != nil {
+		return cluster.ClusterContent{}, m.Err
+	}
+
+	return m.ClusterContentItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterContext(provider, name string) (appcontext.AppContext, error) {
+	if m.Err != nil {
+		return appcontext.AppContext{}, m.Err
+	}
+
+	return m.ClusterContextItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusters(provider string) ([]cluster.Cluster, error) {
+	if m.Err != nil {
+		return []cluster.Cluster{}, m.Err
+	}
+
+	return m.ClusterItems, nil
+}
+
+func (m *mockClusterManager) GetClustersWithLabel(provider, label string) ([]string, error) {
+	if m.Err != nil {
+		return []string{}, m.Err
+	}
+
+	return m.ClusterList, nil
+}
+
+func (m *mockClusterManager) DeleteCluster(provider, name string) error {
+	return m.Err
+}
+
+func (m *mockClusterManager) CreateClusterLabel(provider, clusterName string, inp cluster.ClusterLabel) (cluster.ClusterLabel, error) {
+	if m.Err != nil {
+		return cluster.ClusterLabel{}, m.Err
+	}
+
+	return m.ClusterLabelItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterLabel(provider, clusterName, label string) (cluster.ClusterLabel, error) {
+	if m.Err != nil {
+		return cluster.ClusterLabel{}, m.Err
+	}
+
+	return m.ClusterLabelItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterLabels(provider, clusterName string) ([]cluster.ClusterLabel, error) {
+	if m.Err != nil {
+		return []cluster.ClusterLabel{}, m.Err
+	}
+
+	return m.ClusterLabelItems, nil
+}
+
+func (m *mockClusterManager) DeleteClusterLabel(provider, clusterName, label string) error {
+	return m.Err
+}
+
+func (m *mockClusterManager) CreateClusterKvPairs(provider, clusterName string, inp cluster.ClusterKvPairs) (cluster.ClusterKvPairs, error) {
+	if m.Err != nil {
+		return cluster.ClusterKvPairs{}, m.Err
+	}
+
+	return m.ClusterKvPairsItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterKvPairs(provider, clusterName, kvpair string) (cluster.ClusterKvPairs, error) {
+	if m.Err != nil {
+		return cluster.ClusterKvPairs{}, m.Err
+	}
+
+	return m.ClusterKvPairsItems[0], nil
+}
+
+func (m *mockClusterManager) GetAllClusterKvPairs(provider, clusterName string) ([]cluster.ClusterKvPairs, error) {
+	if m.Err != nil {
+		return []cluster.ClusterKvPairs{}, m.Err
+	}
+
+	return m.ClusterKvPairsItems, nil
+}
+
+func (m *mockClusterManager) DeleteClusterKvPairs(provider, clusterName, kvpair string) error {
+	return m.Err
+}
+
+func TestClusterProviderCreateHandler(t *testing.T) {
+	testCases := []struct {
+		label         string
+		reader        io.Reader
+		expected      cluster.ClusterProvider
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:         "Missing Cluster Provider Body Failure",
+			expectedCode:  http.StatusBadRequest,
+			clusterClient: &mockClusterManager{},
+		},
+		{
+			label:        "Create Cluster Provider",
+			expectedCode: http.StatusCreated,
+			reader: bytes.NewBuffer([]byte(`{
+					"metadata": {
+						"name": "clusterProviderTest",
+						"description": "testClusterProvider",
+						"userData1": "some user data 1",
+						"userData2": "some user data 2"
+					}
+				}`)),
+			expected: cluster.ClusterProvider{
+				Metadata: types.Metadata{
+					Name:        "clusterProviderTest",
+					Description: "testClusterProvider",
+					UserData1:   "some user data 1",
+					UserData2:   "some user data 2",
+				},
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterProviderItems: []cluster.ClusterProvider{
+					{
+						Metadata: types.Metadata{
+							Name:        "clusterProviderTest",
+							Description: "testClusterProvider",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+				},
+			},
+		},
+		{
+			label: "Missing ClusterProvider Name in Request Body",
+			reader: bytes.NewBuffer([]byte(`{
+					"metadata": {
+						"description": "this is a test cluster provider",
+						"userData1": "some user data 1",
+						"userData2": "some user data 2"
+					}
+				}`)),
+			expectedCode:  http.StatusBadRequest,
+			clusterClient: &mockClusterManager{},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("POST", "/v2/cluster-providers", testCase.reader)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusCreated
+			if resp.StatusCode == http.StatusCreated {
+				got := cluster.ClusterProvider{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("createHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterProviderGetAllHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		expected      []cluster.ClusterProvider
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster Provider",
+			expectedCode: http.StatusOK,
+			expected: []cluster.ClusterProvider{
+				{
+					Metadata: types.Metadata{
+						Name:        "testClusterProvider1",
+						Description: "testClusterProvider 1 description",
+						UserData1:   "some user data 1",
+						UserData2:   "some user data 2",
+					},
+				},
+				{
+					Metadata: types.Metadata{
+						Name:        "testClusterProvider2",
+						Description: "testClusterProvider 2 description",
+						UserData1:   "some user data A",
+						UserData2:   "some user data B",
+					},
+				},
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterProviderItems: []cluster.ClusterProvider{
+					{
+						Metadata: types.Metadata{
+							Name:        "testClusterProvider1",
+							Description: "testClusterProvider 1 description",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+					{
+						Metadata: types.Metadata{
+							Name:        "testClusterProvider2",
+							Description: "testClusterProvider 2 description",
+							UserData1:   "some user data A",
+							UserData2:   "some user data B",
+						},
+					},
+				},
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("GET", "/v2/cluster-providers", nil)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusOK
+			if resp.StatusCode == http.StatusOK {
+				got := []cluster.ClusterProvider{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("listHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterProviderGetHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		expected      cluster.ClusterProvider
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster Provider",
+			expectedCode: http.StatusOK,
+			expected: cluster.ClusterProvider{
+				Metadata: types.Metadata{
+					Name:        "testClusterProvider",
+					Description: "testClusterProvider description",
+					UserData1:   "some user data 1",
+					UserData2:   "some user data 2",
+				},
+			},
+			name: "testClusterProvider",
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterProviderItems: []cluster.ClusterProvider{
+					{
+						Metadata: types.Metadata{
+							Name:        "testClusterProvider",
+							Description: "testClusterProvider description",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+				},
+			},
+		},
+		{
+			label:        "Get Non-Existing Cluster Provider",
+			expectedCode: http.StatusInternalServerError,
+			name:         "nonexistingclusterprovider",
+			clusterClient: &mockClusterManager{
+				ClusterProviderItems: []cluster.ClusterProvider{},
+				Err:                  pkgerrors.New("Internal Error"),
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("GET", "/v2/cluster-providers/"+testCase.name, nil)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusOK
+			if resp.StatusCode == http.StatusOK {
+				got := cluster.ClusterProvider{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("listHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterProviderDeleteHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		name          string
+		version       string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:         "Delete Cluster Provider",
+			expectedCode:  http.StatusNoContent,
+			name:          "testClusterProvider",
+			clusterClient: &mockClusterManager{},
+		},
+		{
+			label:        "Delete Non-Existing Cluster Provider",
+			expectedCode: http.StatusInternalServerError,
+			name:         "testClusterProvider",
+			clusterClient: &mockClusterManager{
+				Err: pkgerrors.New("Internal Error"),
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("DELETE", "/v2/cluster-providers/"+testCase.name, nil)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+		})
+	}
+}
+
+func TestClusterCreateHandler(t *testing.T) {
+	testCases := []struct {
+		label         string
+		metadata      string
+		kubeconfig    string
+		expected      cluster.Cluster
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:         "Missing Cluster Body Failure",
+			expectedCode:  http.StatusBadRequest,
+			clusterClient: &mockClusterManager{},
+		},
+		{
+			label:        "Create Cluster",
+			expectedCode: http.StatusCreated,
+			metadata: `
+{
+ "metadata": {
+  "name": "clusterTest",
+  "description": "this is test cluster",
+  "userData1": "some cluster data abc",
+  "userData2": "some cluster data def"
+ }
+}`,
+			kubeconfig: `test contents
+of a file attached
+to the creation
+of clusterTest
+`,
+			expected: cluster.Cluster{
+				Metadata: types.Metadata{
+					Name:        "clusterTest",
+					Description: "testCluster",
+					UserData1:   "some user data 1",
+					UserData2:   "some user data 2",
+				},
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterProviderItems: []cluster.ClusterProvider{
+					{
+						Metadata: types.Metadata{
+							Name:        "clusterProvider1",
+							Description: "ClusterProvider 1 description",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+				},
+				ClusterItems: []cluster.Cluster{
+					{
+						Metadata: types.Metadata{
+							Name:        "clusterTest",
+							Description: "testCluster",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+				},
+				ClusterContentItems: []cluster.ClusterContent{
+					{
+						Kubeconfig: "dGVzdCBjb250ZW50cwpvZiBhIGZpbGUgYXR0YWNoZWQKdG8gdGhlIGNyZWF0aW9uCm9mIGNsdXN0ZXJUZXN0Cg==",
+					},
+				},
+			},
+		},
+		{
+			label:        "Missing Cluster Name in Request Body",
+			expectedCode: http.StatusBadRequest,
+			metadata: `
+{
+ "metadata": {
+  "description": "this is test cluster",
+  "userData1": "some cluster data abc",
+  "userData2": "some cluster data def"
+ }
+}`,
+			kubeconfig: `test contents
+of a file attached
+to the creation
+of clusterTest
+`,
+			clusterClient: &mockClusterManager{},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			// Create the multipart test Request body
+			body := new(bytes.Buffer)
+			multiwr := multipart.NewWriter(body)
+			multiwr.SetBoundary("------------------------f77f80a7092eb312")
+			pw, _ := multiwr.CreatePart(textproto.MIMEHeader{"Content-Type": {"application/json"}, "Content-Disposition": {"form-data; name=metadata"}})
+			pw.Write([]byte(testCase.metadata))
+			pw, _ = multiwr.CreateFormFile("file", "kubeconfig")
+			pw.Write([]byte(testCase.kubeconfig))
+			multiwr.Close()
+
+			request := httptest.NewRequest("POST", "/v2/cluster-providers/clusterProvider1/clusters", bytes.NewBuffer(body.Bytes()))
+			request.Header.Set("Content-Type", multiwr.FormDataContentType())
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusCreated
+			if resp.StatusCode == http.StatusCreated {
+				got := cluster.Cluster{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("createHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterGetAllHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		expected      []cluster.Cluster
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Clusters",
+			expectedCode: http.StatusOK,
+			expected: []cluster.Cluster{
+				{
+					Metadata: types.Metadata{
+						Name:        "testCluster1",
+						Description: "testCluster 1 description",
+						UserData1:   "some user data 1",
+						UserData2:   "some user data 2",
+					},
+				},
+				{
+					Metadata: types.Metadata{
+						Name:        "testCluster2",
+						Description: "testCluster 2 description",
+						UserData1:   "some user data A",
+						UserData2:   "some user data B",
+					},
+				},
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterItems: []cluster.Cluster{
+					{
+						Metadata: types.Metadata{
+							Name:        "testCluster1",
+							Description: "testCluster 1 description",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+					{
+						Metadata: types.Metadata{
+							Name:        "testCluster2",
+							Description: "testCluster 2 description",
+							UserData1:   "some user data A",
+							UserData2:   "some user data B",
+						},
+					},
+				},
+				ClusterContentItems: []cluster.ClusterContent{
+					// content here doesn't matter - just needs to be present
+					{
+						Kubeconfig: "dGVzdCBjb250ZW50cwpvZiBhIGZpbGUgYXR0YWNoZWQKdG8gdGhlIGNyZWF0aW9uCm9mIGNsdXN0ZXJUZXN0Cg==",
+					},
+					{
+						Kubeconfig: "dGVzdCBjb250ZW50cwpvZiBhIGZpbGUgYXR0YWNoZWQKdG8gdGhlIGNyZWF0aW9uCm9mIGNsdXN0ZXJUZXN0Cg==",
+					},
+				},
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("GET", "/v2/cluster-providers/clusterProvder1/clusters", nil)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusOK
+			if resp.StatusCode == http.StatusOK {
+				got := []cluster.Cluster{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("listHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterGetHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		expected      cluster.Cluster
+		name, version string
+		accept        string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster with Accept: application/json",
+			accept:       "application/json",
+			expectedCode: http.StatusOK,
+			expected: cluster.Cluster{
+				Metadata: types.Metadata{
+					Name:        "testCluster",
+					Description: "testCluster description",
+					UserData1:   "some user data 1",
+					UserData2:   "some user data 2",
+				},
+			},
+			name: "testCluster",
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterItems: []cluster.Cluster{
+					{
+						Metadata: types.Metadata{
+							Name:        "testCluster",
+							Description: "testCluster description",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+				},
+				ClusterContentItems: []cluster.ClusterContent{
+					{
+						Kubeconfig: "dGVzdCBjb250ZW50cwpvZiBhIGZpbGUgYXR0YWNoZWQKdG8gdGhlIGNyZWF0aW9uCm9mIGNsdXN0ZXJUZXN0Cg==",
+					},
+				},
+			},
+		},
+		{
+			label:        "Get Non-Existing Cluster",
+			accept:       "application/json",
+			expectedCode: http.StatusInternalServerError,
+			name:         "nonexistingcluster",
+			clusterClient: &mockClusterManager{
+				ClusterItems: []cluster.Cluster{},
+				Err:          pkgerrors.New("Internal Error"),
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("GET", "/v2/cluster-providers/clusterProvider1/clusters/"+testCase.name, nil)
+			if len(testCase.accept) > 0 {
+				request.Header.Set("Accept", testCase.accept)
+			}
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusOK
+			if resp.StatusCode == http.StatusOK {
+				got := cluster.Cluster{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("listHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterGetContentHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		expected      string
+		name, version string
+		accept        string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster Content with Accept: application/octet-stream",
+			accept:       "application/octet-stream",
+			expectedCode: http.StatusOK,
+			expected: `test contents
+of a file attached
+to the creation
+of clusterTest
+`,
+			name: "testCluster",
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterItems: []cluster.Cluster{
+					{
+						Metadata: types.Metadata{
+							Name:        "testCluster",
+							Description: "testCluster description",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+				},
+				ClusterContentItems: []cluster.ClusterContent{
+					{
+						Kubeconfig: "dGVzdCBjb250ZW50cwpvZiBhIGZpbGUgYXR0YWNoZWQKdG8gdGhlIGNyZWF0aW9uCm9mIGNsdXN0ZXJUZXN0Cg==",
+					},
+				},
+			},
+		},
+		{
+			label:        "Get Non-Existing Cluster",
+			accept:       "application/octet-stream",
+			expectedCode: http.StatusInternalServerError,
+			name:         "nonexistingcluster",
+			clusterClient: &mockClusterManager{
+				ClusterItems: []cluster.Cluster{},
+				Err:          pkgerrors.New("Internal Error"),
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("GET", "/v2/cluster-providers/clusterProvider1/clusters/"+testCase.name, nil)
+			if len(testCase.accept) > 0 {
+				request.Header.Set("Accept", testCase.accept)
+			}
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusOK
+			if resp.StatusCode == http.StatusOK {
+				body := new(bytes.Buffer)
+				body.ReadFrom(resp.Body)
+				got := body.String()
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("listHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterDeleteHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		name          string
+		version       string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:         "Delete Cluster",
+			expectedCode:  http.StatusNoContent,
+			name:          "testCluster",
+			clusterClient: &mockClusterManager{},
+		},
+		{
+			label:        "Delete Non-Existing Cluster",
+			expectedCode: http.StatusInternalServerError,
+			name:         "testCluster",
+			clusterClient: &mockClusterManager{
+				Err: pkgerrors.New("Internal Error"),
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("DELETE", "/v2/cluster-providers/clusterProvider1/clusters/"+testCase.name, nil)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+		})
+	}
+}
+
+func TestClusterLabelCreateHandler(t *testing.T) {
+	testCases := []struct {
+		label         string
+		reader        io.Reader
+		expected      cluster.ClusterLabel
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:         "Missing Cluster Label Body Failure",
+			expectedCode:  http.StatusBadRequest,
+			clusterClient: &mockClusterManager{},
+		},
+		{
+			label:        "Create Cluster Label",
+			expectedCode: http.StatusCreated,
+			reader: bytes.NewBuffer([]byte(`{
+					"label-name": "test-label"
+				}`)),
+			expected: cluster.ClusterLabel{
+				LabelName: "test-label",
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterLabelItems: []cluster.ClusterLabel{
+					{
+						LabelName: "test-label",
+					},
+				},
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("POST", "/v2/cluster-providers/cp1/clusters/cl1/labels", testCase.reader)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusCreated
+			if resp.StatusCode == http.StatusCreated {
+				got := cluster.ClusterLabel{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("createHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterLabelsGetHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		expected      []cluster.ClusterLabel
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster Labels",
+			expectedCode: http.StatusOK,
+			expected: []cluster.ClusterLabel{
+				{
+					LabelName: "test-label1",
+				},
+				{
+					LabelName: "test-label-two",
+				},
+				{
+					LabelName: "test-label-3",
+				},
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterLabelItems: []cluster.ClusterLabel{
+					{
+						LabelName: "test-label1",
+					},
+					{
+						LabelName: "test-label-two",
+					},
+					{
+						LabelName: "test-label-3",
+					},
+				},
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("GET", "/v2/cluster-providers/cp1/clusters/cl1/labels", nil)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusOK
+			if resp.StatusCode == http.StatusOK {
+				got := []cluster.ClusterLabel{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("listHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterLabelGetHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		expected      cluster.ClusterLabel
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster Label",
+			expectedCode: http.StatusOK,
+			expected: cluster.ClusterLabel{
+				LabelName: "testlabel",
+			},
+			name: "testlabel",
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterLabelItems: []cluster.ClusterLabel{
+					{
+						LabelName: "testlabel",
+					},
+				},
+			},
+		},
+		{
+			label:        "Get Non-Existing Cluster Label",
+			expectedCode: http.StatusInternalServerError,
+			name:         "nonexistingclusterlabel",
+			clusterClient: &mockClusterManager{
+				ClusterLabelItems: []cluster.ClusterLabel{},
+				Err:               pkgerrors.New("Internal Error"),
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("GET", "/v2/cluster-providers/clusterProvider1/clusters/cl1/labels/"+testCase.name, nil)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusOK
+			if resp.StatusCode == http.StatusOK {
+				got := cluster.ClusterLabel{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("listHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterLabelDeleteHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		name          string
+		version       string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:         "Delete Cluster Label",
+			expectedCode:  http.StatusNoContent,
+			name:          "testClusterLabel",
+			clusterClient: &mockClusterManager{},
+		},
+		{
+			label:        "Delete Non-Existing Cluster Label",
+			expectedCode: http.StatusInternalServerError,
+			name:         "testClusterLabel",
+			clusterClient: &mockClusterManager{
+				Err: pkgerrors.New("Internal Error"),
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("DELETE", "/v2/cluster-providers/cp1/clusters/cl1/labels/"+testCase.name, nil)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+		})
+	}
+}
+
+func TestClusterKvPairsCreateHandler(t *testing.T) {
+	testCases := []struct {
+		label         string
+		reader        io.Reader
+		expected      cluster.ClusterKvPairs
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:         "Missing Cluster KvPairs Body Failure",
+			expectedCode:  http.StatusBadRequest,
+			clusterClient: &mockClusterManager{},
+		},
+		{
+			label:        "Create Cluster KvPairs",
+			expectedCode: http.StatusCreated,
+			reader: bytes.NewBuffer([]byte(`{
+					"metadata": {
+						"name": "ClusterKvPair1",
+						"description": "test cluster kv pairs",
+						"userData1": "some user data 1",
+						"userData2": "some user data 2"
+					},
+					"spec": {
+						"kv": [
+							{
+								"key1": "value1"
+							},
+							{
+								"key2": "value2"
+							}
+						]
+					}
+				}`)),
+			expected: cluster.ClusterKvPairs{
+				Metadata: types.Metadata{
+					Name:        "ClusterKvPair1",
+					Description: "test cluster kv pairs",
+					UserData1:   "some user data 1",
+					UserData2:   "some user data 2",
+				},
+				Spec: cluster.ClusterKvSpec{
+					Kv: []map[string]interface{}{
+						{
+							"key1": "value1",
+						},
+						{
+							"key2": "value2",
+						},
+					},
+				},
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterKvPairsItems: []cluster.ClusterKvPairs{
+					{
+						Metadata: types.Metadata{
+							Name:        "ClusterKvPair1",
+							Description: "test cluster kv pairs",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+						Spec: cluster.ClusterKvSpec{
+							Kv: []map[string]interface{}{
+								{
+									"key1": "value1",
+								},
+								{
+									"key2": "value2",
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("POST", "/v2/cluster-providers/cp1/clusters/cl1/kv-pairs", testCase.reader)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusCreated
+			if resp.StatusCode == http.StatusCreated {
+				got := cluster.ClusterKvPairs{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("createHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterKvPairsGetAllHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		expected      []cluster.ClusterKvPairs
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster KvPairs",
+			expectedCode: http.StatusOK,
+			expected: []cluster.ClusterKvPairs{
+				{
+					Metadata: types.Metadata{
+						Name:        "ClusterKvPair1",
+						Description: "test cluster kv pairs",
+						UserData1:   "some user data 1",
+						UserData2:   "some user data 2",
+					},
+					Spec: cluster.ClusterKvSpec{
+						Kv: []map[string]interface{}{
+							{
+								"key1": "value1",
+							},
+							{
+								"key2": "value2",
+							},
+						},
+					},
+				},
+				{
+					Metadata: types.Metadata{
+						Name:        "ClusterKvPair2",
+						Description: "test cluster kv pairs",
+						UserData1:   "some user data A",
+						UserData2:   "some user data B",
+					},
+					Spec: cluster.ClusterKvSpec{
+						Kv: []map[string]interface{}{
+							{
+								"keyA": "valueA",
+							},
+							{
+								"keyB": "valueB",
+							},
+						},
+					},
+				},
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterKvPairsItems: []cluster.ClusterKvPairs{
+					{
+						Metadata: types.Metadata{
+							Name:        "ClusterKvPair1",
+							Description: "test cluster kv pairs",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+						Spec: cluster.ClusterKvSpec{
+							Kv: []map[string]interface{}{
+								{
+									"key1": "value1",
+								},
+								{
+									"key2": "value2",
+								},
+							},
+						},
+					},
+					{
+						Metadata: types.Metadata{
+							Name:        "ClusterKvPair2",
+							Description: "test cluster kv pairs",
+							UserData1:   "some user data A",
+							UserData2:   "some user data B",
+						},
+						Spec: cluster.ClusterKvSpec{
+							Kv: []map[string]interface{}{
+								{
+									"keyA": "valueA",
+								},
+								{
+									"keyB": "valueB",
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("GET", "/v2/cluster-providers/cp1/clusters/cl1/kv-pairs", nil)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusOK
+			if resp.StatusCode == http.StatusOK {
+				got := []cluster.ClusterKvPairs{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("listHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterKvPairsGetHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		expected      cluster.ClusterKvPairs
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster KV Pairs",
+			expectedCode: http.StatusOK,
+			expected: cluster.ClusterKvPairs{
+				Metadata: types.Metadata{
+					Name:        "ClusterKvPair2",
+					Description: "test cluster kv pairs",
+					UserData1:   "some user data A",
+					UserData2:   "some user data B",
+				},
+				Spec: cluster.ClusterKvSpec{
+					Kv: []map[string]interface{}{
+						{
+							"keyA": "valueA",
+						},
+						{
+							"keyB": "valueB",
+						},
+					},
+				},
+			},
+			name: "ClusterKvPair2",
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterKvPairsItems: []cluster.ClusterKvPairs{
+					{
+						Metadata: types.Metadata{
+							Name:        "ClusterKvPair2",
+							Description: "test cluster kv pairs",
+							UserData1:   "some user data A",
+							UserData2:   "some user data B",
+						},
+						Spec: cluster.ClusterKvSpec{
+							Kv: []map[string]interface{}{
+								{
+									"keyA": "valueA",
+								},
+								{
+									"keyB": "valueB",
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+		{
+			label:        "Get Non-Existing Cluster KV Pairs",
+			expectedCode: http.StatusInternalServerError,
+			name:         "nonexistingclusterkvpairs",
+			clusterClient: &mockClusterManager{
+				ClusterKvPairsItems: []cluster.ClusterKvPairs{},
+				Err:                 pkgerrors.New("Internal Error"),
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("GET", "/v2/cluster-providers/clusterProvider1/clusters/cl1/kv-pairs/"+testCase.name, nil)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusOK
+			if resp.StatusCode == http.StatusOK {
+				got := cluster.ClusterKvPairs{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("listHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestClusterKvPairsDeleteHandler(t *testing.T) {
+
+	testCases := []struct {
+		label         string
+		name          string
+		version       string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:         "Delete Cluster KV Pairs",
+			expectedCode:  http.StatusNoContent,
+			name:          "testClusterKvPairs",
+			clusterClient: &mockClusterManager{},
+		},
+		{
+			label:        "Delete Non-Existing Cluster KV Pairs",
+			expectedCode: http.StatusInternalServerError,
+			name:         "testClusterKvPairs",
+			clusterClient: &mockClusterManager{
+				Err: pkgerrors.New("Internal Error"),
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("DELETE", "/v2/cluster-providers/cp1/clusters/cl1/kv-pairs/"+testCase.name, nil)
+			resp := executeRequest(request, NewRouter(testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+		})
+	}
+}
diff --git a/src/clm/api/testing.go b/src/clm/api/testing.go
new file mode 100644
index 00000000..fed5c080
--- /dev/null
+++ b/src/clm/api/testing.go
@@ -0,0 +1,31 @@
+/*
+ * 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 (
+	"net/http"
+	"net/http/httptest"
+
+	"github.com/gorilla/mux"
+)
+
+func executeRequest(request *http.Request, router *mux.Router) *http.Response {
+	recorder := httptest.NewRecorder()
+	router.ServeHTTP(recorder, request)
+	resp := recorder.Result()
+	return resp
+}