Esempio n. 1
0
func TestJoinFederation(t *testing.T) {
	cmdErrMsg := ""
	cmdutil.BehaviorOnFatal(func(str string, code int) {
		cmdErrMsg = str
	})

	fakeKubeFiles, err := kubefedtesting.FakeKubeconfigFiles()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	defer kubefedtesting.RemoveFakeKubeconfigFiles(fakeKubeFiles)

	testCases := []struct {
		cluster            string
		clusterCtx         string
		secret             string
		server             string
		token              string
		kubeconfigGlobal   string
		kubeconfigExplicit string
		expectedServer     string
		expectedErr        string
	}{
		{
			cluster:            "syndicate",
			clusterCtx:         "",
			secret:             "",
			server:             "https://10.20.30.40",
			token:              "badge",
			kubeconfigGlobal:   fakeKubeFiles[0],
			kubeconfigExplicit: "",
			expectedServer:     "https://10.20.30.40",
			expectedErr:        "",
		},
		{
			cluster:            "ally",
			clusterCtx:         "",
			secret:             "",
			server:             "ally256.example.com:80",
			token:              "souvenir",
			kubeconfigGlobal:   fakeKubeFiles[0],
			kubeconfigExplicit: fakeKubeFiles[1],
			expectedServer:     "https://ally256.example.com:80",
			expectedErr:        "",
		},
		{
			cluster:            "confederate",
			clusterCtx:         "",
			secret:             "",
			server:             "10.8.8.8",
			token:              "totem",
			kubeconfigGlobal:   fakeKubeFiles[1],
			kubeconfigExplicit: fakeKubeFiles[2],
			expectedServer:     "https://10.8.8.8",
			expectedErr:        "",
		},
		{
			cluster:            "associate",
			clusterCtx:         "confederate",
			secret:             "confidential",
			server:             "10.8.8.8",
			token:              "totem",
			kubeconfigGlobal:   fakeKubeFiles[1],
			kubeconfigExplicit: fakeKubeFiles[2],
			expectedServer:     "https://10.8.8.8",
			expectedErr:        "",
		},
		{
			cluster:            "affiliate",
			clusterCtx:         "",
			secret:             "",
			server:             "https://10.20.30.40",
			token:              "badge",
			kubeconfigGlobal:   fakeKubeFiles[0],
			kubeconfigExplicit: "",
			expectedServer:     "https://10.20.30.40",
			expectedErr:        fmt.Sprintf("error: cluster context %q not found", "affiliate"),
		},
	}

	for i, tc := range testCases {
		cmdErrMsg = ""
		f := testJoinFederationFactory(tc.cluster, tc.secret, tc.expectedServer)
		buf := bytes.NewBuffer([]byte{})

		hostFactory, err := fakeJoinHostFactory(tc.cluster, tc.clusterCtx, tc.secret, tc.server, tc.token)
		if err != nil {
			t.Fatalf("[%d] unexpected error: %v", i, err)
		}

		adminConfig, err := kubefedtesting.NewFakeAdminConfig(hostFactory, tc.kubeconfigGlobal)
		if err != nil {
			t.Fatalf("[%d] unexpected error: %v", i, err)
		}

		cmd := NewCmdJoin(f, buf, adminConfig)

		cmd.Flags().Set("kubeconfig", tc.kubeconfigExplicit)
		cmd.Flags().Set("host-cluster-context", "substrate")
		if tc.clusterCtx != "" {
			cmd.Flags().Set("cluster-context", tc.clusterCtx)
		}
		if tc.secret != "" {
			cmd.Flags().Set("secret-name", tc.secret)
		}

		cmd.Run(cmd, []string{tc.cluster})

		if tc.expectedErr == "" {
			// uses the name from the cluster, not the response
			// Actual data passed are tested in the fake secret and cluster
			// REST clients.
			if msg := buf.String(); msg != fmt.Sprintf("cluster %q created\n", tc.cluster) {
				t.Errorf("[%d] unexpected output: %s", i, msg)
				if cmdErrMsg != "" {
					t.Errorf("[%d] unexpected error message: %s", i, cmdErrMsg)
				}
			}
		} else {
			if cmdErrMsg != tc.expectedErr {
				t.Errorf("[%d] expected error: %s, got: %s, output: %s", i, tc.expectedErr, cmdErrMsg, buf.String())
			}
		}
	}
}
Esempio n. 2
0
func TestInitFederation(t *testing.T) {
	cmdErrMsg := ""
	dnsProvider := ""
	cmdutil.BehaviorOnFatal(func(str string, code int) {
		cmdErrMsg = str
	})

	fakeKubeFiles, err := kubefedtesting.FakeKubeconfigFiles()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	defer kubefedtesting.RemoveFakeKubeconfigFiles(fakeKubeFiles)

	testCases := []struct {
		federation         string
		kubeconfigGlobal   string
		kubeconfigExplicit string
		dnsZoneName        string
		lbIP               string
		image              string
		expectedErr        string
		dnsProvider        string
	}{
		{
			federation:         "union",
			kubeconfigGlobal:   fakeKubeFiles[0],
			kubeconfigExplicit: "",
			dnsZoneName:        "example.test.",
			lbIP:               "10.20.30.40",
			image:              "example.test/foo:bar",
			expectedErr:        "",
			dnsProvider:        "test-dns-provider",
		},
		{
			federation:         "union",
			kubeconfigGlobal:   fakeKubeFiles[0],
			kubeconfigExplicit: "",
			dnsZoneName:        "example.test.",
			lbIP:               "10.20.30.40",
			image:              "example.test/foo:bar",
			expectedErr:        "",
			dnsProvider:        "", //test for default value of dns provider
		},
	}

	for i, tc := range testCases {
		cmdErrMsg = ""
		dnsProvider = ""
		buf := bytes.NewBuffer([]byte{})

		if "" != tc.dnsProvider {
			dnsProvider = tc.dnsProvider
		} else {
			dnsProvider = "google-clouddns" //default value of dns-provider
		}
		hostFactory, err := fakeInitHostFactory(tc.federation, util.DefaultFederationSystemNamespace, tc.lbIP, tc.dnsZoneName, tc.image, dnsProvider)
		if err != nil {
			t.Fatalf("[%d] unexpected error: %v", i, err)
		}

		adminConfig, err := kubefedtesting.NewFakeAdminConfig(hostFactory, tc.kubeconfigGlobal)
		if err != nil {
			t.Fatalf("[%d] unexpected error: %v", i, err)
		}

		cmd := NewCmdInit(buf, adminConfig)

		cmd.Flags().Set("kubeconfig", tc.kubeconfigExplicit)
		cmd.Flags().Set("host-cluster-context", "substrate")
		cmd.Flags().Set("dns-zone-name", tc.dnsZoneName)
		cmd.Flags().Set("image", tc.image)
		if "" != tc.dnsProvider {
			cmd.Flags().Set("dns-provider", tc.dnsProvider)
		}
		cmd.Run(cmd, []string{tc.federation})

		if tc.expectedErr == "" {
			// uses the name from the federation, not the response
			// Actual data passed are tested in the fake secret and cluster
			// REST clients.
			want := fmt.Sprintf("Federation API server is running at: %s\n", tc.lbIP)
			if got := buf.String(); got != want {
				t.Errorf("[%d] unexpected output: got: %s, want: %s", i, got, want)
				if cmdErrMsg != "" {
					t.Errorf("[%d] unexpected error message: %s", i, cmdErrMsg)
				}
			}
		} else {
			if cmdErrMsg != tc.expectedErr {
				t.Errorf("[%d] expected error: %s, got: %s, output: %s", i, tc.expectedErr, cmdErrMsg, buf.String())
			}
		}

		testKubeconfigUpdate(t, tc.federation, tc.lbIP, tc.kubeconfigGlobal, tc.kubeconfigExplicit)
	}
}
Esempio n. 3
0
func TestUnjoinFederation(t *testing.T) {
	cmdErrMsg := ""
	cmdutil.BehaviorOnFatal(func(str string, code int) {
		cmdErrMsg = str
	})

	fakeKubeFiles, err := kubefedtesting.FakeKubeconfigFiles()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	defer kubefedtesting.RemoveFakeKubeconfigFiles(fakeKubeFiles)

	testCases := []struct {
		cluster            string
		wantCluster        string
		wantSecret         string
		kubeconfigGlobal   string
		kubeconfigExplicit string
		expectedServer     string
		expectedErr        string
	}{
		// Tests that the contexts and credentials are read from the
		// global, default kubeconfig and the correct cluster resource
		// is deregisterd.
		{
			cluster:            "syndicate",
			wantCluster:        "syndicate",
			wantSecret:         "",
			kubeconfigGlobal:   fakeKubeFiles[0],
			kubeconfigExplicit: "",
			expectedServer:     "https://10.20.30.40",
			expectedErr:        "",
		},
		// Tests that the contexts and credentials are read from the
		// explicit kubeconfig file specified and the correct cluster
		// resource is deregisterd. kubeconfig contains a single
		// cluster and context.
		{
			cluster:            "ally",
			wantCluster:        "ally",
			wantSecret:         "",
			kubeconfigGlobal:   fakeKubeFiles[0],
			kubeconfigExplicit: fakeKubeFiles[1],
			expectedServer:     "http://ally256.example.com:80",
			expectedErr:        "",
		},
		// Tests that the contexts and credentials are read from the
		// explicit kubeconfig file specified and the correct cluster
		// resource is deregisterd. kubeconfig consists of multiple
		// clusters and contexts.
		{
			cluster:            "confederate",
			wantCluster:        "confederate",
			wantSecret:         "",
			kubeconfigGlobal:   fakeKubeFiles[1],
			kubeconfigExplicit: fakeKubeFiles[2],
			expectedServer:     "https://10.8.8.8",
			expectedErr:        "",
		},
		// Negative test to ensure that we get the right warning
		// when the specified cluster to deregister is not found.
		{
			cluster:            "noexist",
			wantCluster:        "affiliate",
			wantSecret:         "",
			kubeconfigGlobal:   fakeKubeFiles[0],
			kubeconfigExplicit: "",
			expectedServer:     "https://10.20.30.40",
			expectedErr:        fmt.Sprintf("WARNING: cluster %q not found in federation, so its credentials' secret couldn't be deleted", "affiliate"),
		},
		// Negative test to ensure that we get the right warning
		// when the specified cluster's credentials secret is not
		// found.
		{
			cluster:            "affiliate",
			wantCluster:        "affiliate",
			wantSecret:         "noexist",
			kubeconfigGlobal:   fakeKubeFiles[0],
			kubeconfigExplicit: "",
			expectedServer:     "https://10.20.30.40",
			expectedErr:        fmt.Sprintf("WARNING: secret %q not found in the host cluster, so it couldn't be deleted", "noexist"),
		},
	}

	for i, tc := range testCases {
		cmdErrMsg = ""
		f := testUnjoinFederationFactory(tc.cluster, tc.expectedServer, tc.wantSecret)
		buf := bytes.NewBuffer([]byte{})
		errBuf := bytes.NewBuffer([]byte{})

		hostFactory := fakeUnjoinHostFactory(tc.cluster)
		adminConfig, err := kubefedtesting.NewFakeAdminConfig(hostFactory, tc.kubeconfigGlobal)
		if err != nil {
			t.Fatalf("[%d] unexpected error: %v", i, err)
		}

		cmd := NewCmdUnjoin(f, buf, errBuf, adminConfig)

		cmd.Flags().Set("kubeconfig", tc.kubeconfigExplicit)
		cmd.Flags().Set("host", "substrate")
		cmd.Run(cmd, []string{tc.wantCluster})

		if tc.expectedErr == "" {
			// uses the name from the cluster, not the response
			// Actual data passed are tested in the fake secret and cluster
			// REST clients.
			if msg := buf.String(); msg != fmt.Sprintf("Successfully removed cluster %q from federation\n", tc.cluster) {
				t.Errorf("[%d] unexpected output: %s", i, msg)
				if cmdErrMsg != "" {
					t.Errorf("[%d] unexpected error message: %s", i, cmdErrMsg)
				}
			}
		} else {
			if errMsg := errBuf.String(); errMsg != tc.expectedErr {
				t.Errorf("[%d] expected warning: %s, got: %s, output: %s", i, tc.expectedErr, errMsg, buf.String())
			}

		}
	}
}