Add v2 cluster registration api to k8s orchestrator

Adds orchestrator API support for creating
cluster-providers, registering clusters and their
kubeconfig, adding labels to cluster and key value
paisr to clusters.
See: https://wiki.onap.org/display/DW/V2+API+Specification#V2APISpecification-ClusterRegistrationAPI

Issue-ID: MULTICLOUD-922
Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>
Change-Id: I775a308e9ffb19acf65cb0e5752705998bc5b659

1 files changed, 1412 insertions, 0 deletions

diff --git a/src/orchestrator/api/clusterhandler_test.go b/src/orchestrator/api/clusterhandler_test.go
new file mode 100644
index 00000000..db1b6f9f
--- /dev/null
+++ b/src/orchestrator/api/clusterhandler_test.go
@@ -0,0 +1,1412 @@
+/*
+ * 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"
+
+	moduleLib "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module"
+
+	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 []moduleLib.ClusterProvider
+	ClusterItems         []moduleLib.Cluster
+	ClusterContentItems  []moduleLib.ClusterContent
+	ClusterLabelItems    []moduleLib.ClusterLabel
+	ClusterKvPairsItems  []moduleLib.ClusterKvPairs
+	Err                  error
+}
+
+func (m *mockClusterManager) CreateClusterProvider(inp moduleLib.ClusterProvider) (moduleLib.ClusterProvider, error) {
+	if m.Err != nil {
+		return moduleLib.ClusterProvider{}, m.Err
+	}
+
+	return m.ClusterProviderItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterProvider(name string) (moduleLib.ClusterProvider, error) {
+	if m.Err != nil {
+		return moduleLib.ClusterProvider{}, m.Err
+	}
+
+	return m.ClusterProviderItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterProviders() ([]moduleLib.ClusterProvider, error) {
+	if m.Err != nil {
+		return []moduleLib.ClusterProvider{}, m.Err
+	}
+
+	return m.ClusterProviderItems, nil
+}
+
+func (m *mockClusterManager) DeleteClusterProvider(name string) error {
+	return m.Err
+}
+
+func (m *mockClusterManager) CreateCluster(provider string, inp moduleLib.Cluster, inq moduleLib.ClusterContent) (moduleLib.Cluster, error) {
+	if m.Err != nil {
+		return moduleLib.Cluster{}, m.Err
+	}
+
+	return m.ClusterItems[0], nil
+}
+
+func (m *mockClusterManager) GetCluster(provider, name string) (moduleLib.Cluster, error) {
+	if m.Err != nil {
+		return moduleLib.Cluster{}, m.Err
+	}
+
+	return m.ClusterItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterContent(provider, name string) (moduleLib.ClusterContent, error) {
+	if m.Err != nil {
+		return moduleLib.ClusterContent{}, m.Err
+	}
+
+	return m.ClusterContentItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusters(provider string) ([]moduleLib.Cluster, error) {
+	if m.Err != nil {
+		return []moduleLib.Cluster{}, m.Err
+	}
+
+	return m.ClusterItems, nil
+}
+
+func (m *mockClusterManager) DeleteCluster(provider, name string) error {
+	return m.Err
+}
+
+func (m *mockClusterManager) CreateClusterLabel(provider, cluster string, inp moduleLib.ClusterLabel) (moduleLib.ClusterLabel, error) {
+	if m.Err != nil {
+		return moduleLib.ClusterLabel{}, m.Err
+	}
+
+	return m.ClusterLabelItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterLabel(provider, cluster, label string) (moduleLib.ClusterLabel, error) {
+	if m.Err != nil {
+		return moduleLib.ClusterLabel{}, m.Err
+	}
+
+	return m.ClusterLabelItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterLabels(provider, cluster string) ([]moduleLib.ClusterLabel, error) {
+	if m.Err != nil {
+		return []moduleLib.ClusterLabel{}, m.Err
+	}
+
+	return m.ClusterLabelItems, nil
+}
+
+func (m *mockClusterManager) DeleteClusterLabel(provider, cluster, label string) error {
+	return m.Err
+}
+
+func (m *mockClusterManager) CreateClusterKvPairs(provider, cluster string, inp moduleLib.ClusterKvPairs) (moduleLib.ClusterKvPairs, error) {
+	if m.Err != nil {
+		return moduleLib.ClusterKvPairs{}, m.Err
+	}
+
+	return m.ClusterKvPairsItems[0], nil
+}
+
+func (m *mockClusterManager) GetClusterKvPairs(provider, cluster, kvpair string) (moduleLib.ClusterKvPairs, error) {
+	if m.Err != nil {
+		return moduleLib.ClusterKvPairs{}, m.Err
+	}
+
+	return m.ClusterKvPairsItems[0], nil
+}
+
+func (m *mockClusterManager) GetAllClusterKvPairs(provider, cluster string) ([]moduleLib.ClusterKvPairs, error) {
+	if m.Err != nil {
+		return []moduleLib.ClusterKvPairs{}, m.Err
+	}
+
+	return m.ClusterKvPairsItems, nil
+}
+
+func (m *mockClusterManager) DeleteClusterKvPairs(provider, cluster, kvpair string) error {
+	return m.Err
+}
+
+func TestClusterProviderCreateHandler(t *testing.T) {
+	testCases := []struct {
+		label         string
+		reader        io.Reader
+		expected      moduleLib.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: moduleLib.ClusterProvider{
+				Metadata: moduleLib.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: []moduleLib.ClusterProvider{
+					{
+						Metadata: moduleLib.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(nil, nil, nil, 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 := moduleLib.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      []moduleLib.ClusterProvider
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster Provider",
+			expectedCode: http.StatusOK,
+			expected: []moduleLib.ClusterProvider{
+				{
+					Metadata: moduleLib.Metadata{
+						Name:        "testClusterProvider1",
+						Description: "testClusterProvider 1 description",
+						UserData1:   "some user data 1",
+						UserData2:   "some user data 2",
+					},
+				},
+				{
+					Metadata: moduleLib.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: []moduleLib.ClusterProvider{
+					{
+						Metadata: moduleLib.Metadata{
+							Name:        "testClusterProvider1",
+							Description: "testClusterProvider 1 description",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+					{
+						Metadata: moduleLib.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(nil, nil, nil, 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 := []moduleLib.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      moduleLib.ClusterProvider
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster Provider",
+			expectedCode: http.StatusOK,
+			expected: moduleLib.ClusterProvider{
+				Metadata: moduleLib.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: []moduleLib.ClusterProvider{
+					{
+						Metadata: moduleLib.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: []moduleLib.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(nil, nil, nil, 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 := moduleLib.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(nil, nil, nil, 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      moduleLib.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: moduleLib.Cluster{
+				Metadata: moduleLib.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: []moduleLib.ClusterProvider{
+					{
+						Metadata: moduleLib.Metadata{
+							Name:        "clusterProvider1",
+							Description: "ClusterProvider 1 description",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+				},
+				ClusterItems: []moduleLib.Cluster{
+					{
+						Metadata: moduleLib.Metadata{
+							Name:        "clusterTest",
+							Description: "testCluster",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+				},
+				ClusterContentItems: []moduleLib.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(nil, nil, nil, 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 := moduleLib.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      []moduleLib.Cluster
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Clusters",
+			expectedCode: http.StatusOK,
+			expected: []moduleLib.Cluster{
+				{
+					Metadata: moduleLib.Metadata{
+						Name:        "testCluster1",
+						Description: "testCluster 1 description",
+						UserData1:   "some user data 1",
+						UserData2:   "some user data 2",
+					},
+				},
+				{
+					Metadata: moduleLib.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: []moduleLib.Cluster{
+					{
+						Metadata: moduleLib.Metadata{
+							Name:        "testCluster1",
+							Description: "testCluster 1 description",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+					{
+						Metadata: moduleLib.Metadata{
+							Name:        "testCluster2",
+							Description: "testCluster 2 description",
+							UserData1:   "some user data A",
+							UserData2:   "some user data B",
+						},
+					},
+				},
+				ClusterContentItems: []moduleLib.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(nil, nil, nil, 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 := []moduleLib.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      moduleLib.Cluster
+		name, version string
+		accept        string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster with Accept: application/json",
+			accept:       "application/json",
+			expectedCode: http.StatusOK,
+			expected: moduleLib.Cluster{
+				Metadata: moduleLib.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: []moduleLib.Cluster{
+					{
+						Metadata: moduleLib.Metadata{
+							Name:        "testCluster",
+							Description: "testCluster description",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+				},
+				ClusterContentItems: []moduleLib.ClusterContent{
+					{
+						Kubeconfig: "dGVzdCBjb250ZW50cwpvZiBhIGZpbGUgYXR0YWNoZWQKdG8gdGhlIGNyZWF0aW9uCm9mIGNsdXN0ZXJUZXN0Cg==",
+					},
+				},
+			},
+		},
+		{
+			label:        "Get Non-Existing Cluster",
+			accept:       "application/json",
+			expectedCode: http.StatusInternalServerError,
+			name:         "nonexistingcluster",
+			clusterClient: &mockClusterManager{
+				ClusterItems: []moduleLib.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(nil, nil, nil, 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 := moduleLib.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: []moduleLib.Cluster{
+					{
+						Metadata: moduleLib.Metadata{
+							Name:        "testCluster",
+							Description: "testCluster description",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+					},
+				},
+				ClusterContentItems: []moduleLib.ClusterContent{
+					{
+						Kubeconfig: "dGVzdCBjb250ZW50cwpvZiBhIGZpbGUgYXR0YWNoZWQKdG8gdGhlIGNyZWF0aW9uCm9mIGNsdXN0ZXJUZXN0Cg==",
+					},
+				},
+			},
+		},
+		{
+			label:        "Get Non-Existing Cluster",
+			accept:       "application/octet-stream",
+			expectedCode: http.StatusInternalServerError,
+			name:         "nonexistingcluster",
+			clusterClient: &mockClusterManager{
+				ClusterItems: []moduleLib.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(nil, nil, nil, 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(nil, nil, nil, 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      moduleLib.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: moduleLib.ClusterLabel{
+				LabelName: "test-label",
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterLabelItems: []moduleLib.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(nil, nil, nil, 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 := moduleLib.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      []moduleLib.ClusterLabel
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster Labels",
+			expectedCode: http.StatusOK,
+			expected: []moduleLib.ClusterLabel{
+				{
+					LabelName: "test-label1",
+				},
+				{
+					LabelName: "test-label-two",
+				},
+				{
+					LabelName: "test-label-3",
+				},
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterLabelItems: []moduleLib.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(nil, nil, nil, 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 := []moduleLib.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      moduleLib.ClusterLabel
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster Label",
+			expectedCode: http.StatusOK,
+			expected: moduleLib.ClusterLabel{
+				LabelName: "testlabel",
+			},
+			name: "testlabel",
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterLabelItems: []moduleLib.ClusterLabel{
+					{
+						LabelName: "testlabel",
+					},
+				},
+			},
+		},
+		{
+			label:        "Get Non-Existing Cluster Label",
+			expectedCode: http.StatusInternalServerError,
+			name:         "nonexistingclusterlabel",
+			clusterClient: &mockClusterManager{
+				ClusterLabelItems: []moduleLib.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(nil, nil, nil, 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 := moduleLib.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(nil, nil, nil, 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      moduleLib.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: moduleLib.ClusterKvPairs{
+				Metadata: moduleLib.Metadata{
+					Name:        "ClusterKvPair1",
+					Description: "test cluster kv pairs",
+					UserData1:   "some user data 1",
+					UserData2:   "some user data 2",
+				},
+				Spec: moduleLib.ClusterKvSpec{
+					Kv: []map[string]interface{}{
+						{
+							"key1": "value1",
+						},
+						{
+							"key2": "value2",
+						},
+					},
+				},
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterKvPairsItems: []moduleLib.ClusterKvPairs{
+					{
+						Metadata: moduleLib.Metadata{
+							Name:        "ClusterKvPair1",
+							Description: "test cluster kv pairs",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+						Spec: moduleLib.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(nil, nil, nil, 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 := moduleLib.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      []moduleLib.ClusterKvPairs
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster KvPairs",
+			expectedCode: http.StatusOK,
+			expected: []moduleLib.ClusterKvPairs{
+				{
+					Metadata: moduleLib.Metadata{
+						Name:        "ClusterKvPair1",
+						Description: "test cluster kv pairs",
+						UserData1:   "some user data 1",
+						UserData2:   "some user data 2",
+					},
+					Spec: moduleLib.ClusterKvSpec{
+						Kv: []map[string]interface{}{
+							{
+								"key1": "value1",
+							},
+							{
+								"key2": "value2",
+							},
+						},
+					},
+				},
+				{
+					Metadata: moduleLib.Metadata{
+						Name:        "ClusterKvPair2",
+						Description: "test cluster kv pairs",
+						UserData1:   "some user data A",
+						UserData2:   "some user data B",
+					},
+					Spec: moduleLib.ClusterKvSpec{
+						Kv: []map[string]interface{}{
+							{
+								"keyA": "valueA",
+							},
+							{
+								"keyB": "valueB",
+							},
+						},
+					},
+				},
+			},
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterKvPairsItems: []moduleLib.ClusterKvPairs{
+					{
+						Metadata: moduleLib.Metadata{
+							Name:        "ClusterKvPair1",
+							Description: "test cluster kv pairs",
+							UserData1:   "some user data 1",
+							UserData2:   "some user data 2",
+						},
+						Spec: moduleLib.ClusterKvSpec{
+							Kv: []map[string]interface{}{
+								{
+									"key1": "value1",
+								},
+								{
+									"key2": "value2",
+								},
+							},
+						},
+					},
+					{
+						Metadata: moduleLib.Metadata{
+							Name:        "ClusterKvPair2",
+							Description: "test cluster kv pairs",
+							UserData1:   "some user data A",
+							UserData2:   "some user data B",
+						},
+						Spec: moduleLib.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(nil, nil, nil, 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 := []moduleLib.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      moduleLib.ClusterKvPairs
+		name, version string
+		expectedCode  int
+		clusterClient *mockClusterManager
+	}{
+		{
+			label:        "Get Cluster KV Pairs",
+			expectedCode: http.StatusOK,
+			expected: moduleLib.ClusterKvPairs{
+				Metadata: moduleLib.Metadata{
+					Name:        "ClusterKvPair2",
+					Description: "test cluster kv pairs",
+					UserData1:   "some user data A",
+					UserData2:   "some user data B",
+				},
+				Spec: moduleLib.ClusterKvSpec{
+					Kv: []map[string]interface{}{
+						{
+							"keyA": "valueA",
+						},
+						{
+							"keyB": "valueB",
+						},
+					},
+				},
+			},
+			name: "ClusterKvPair2",
+			clusterClient: &mockClusterManager{
+				//Items that will be returned by the mocked Client
+				ClusterKvPairsItems: []moduleLib.ClusterKvPairs{
+					{
+						Metadata: moduleLib.Metadata{
+							Name:        "ClusterKvPair2",
+							Description: "test cluster kv pairs",
+							UserData1:   "some user data A",
+							UserData2:   "some user data B",
+						},
+						Spec: moduleLib.ClusterKvSpec{
+							Kv: []map[string]interface{}{
+								{
+									"keyA": "valueA",
+								},
+								{
+									"keyB": "valueB",
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+		{
+			label:        "Get Non-Existing Cluster KV Pairs",
+			expectedCode: http.StatusInternalServerError,
+			name:         "nonexistingclusterkvpairs",
+			clusterClient: &mockClusterManager{
+				ClusterKvPairsItems: []moduleLib.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(nil, nil, nil, 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 := moduleLib.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(nil, nil, nil, testCase.clusterClient))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+		})
+	}
+}