Пример #1
0
// SetOpenShiftDefaults sets the default settings on the passed
// client configuration
func SetOpenShiftDefaults(config *kclient.Config) error {
	if len(config.UserAgent) == 0 {
		config.UserAgent = DefaultOpenShiftUserAgent()
	}
	if config.Version == "" {
		// Clients default to the preferred code API version
		// TODO: implement version negotiation (highest version supported by server)
		config.Version = latest.Version
	}
	if config.Prefix == "" {
		switch config.Version {
		case "v1beta3":
			config.Prefix = "/osapi"
		default:
			config.Prefix = "/oapi"
		}
	}
	version := config.Version
	versionInterfaces, err := latest.InterfacesFor(version)
	if err != nil {
		return fmt.Errorf("API version '%s' is not recognized (valid values: %s)", version, strings.Join(latest.Versions, ", "))
	}
	if config.Codec == nil {
		config.Codec = versionInterfaces.Codec
	}
	return nil
}
Пример #2
0
// makeUserIdentificationFieldsConfig returns a client.Config capable of being merged using mergo for only server identification information
func makeServerIdentificationConfig(info clientauth.Info) client.Config {
	config := client.Config{}
	config.CAFile = info.CAFile
	if info.Insecure != nil {
		config.Insecure = *info.Insecure
	}
	return config
}
Пример #3
0
func validateToken(token string, clientConfig *kclient.Config) {
	if len(token) == 0 {
		fmt.Println("You must provide a token to validate")
		return
	}
	fmt.Printf("Using token: %v\n", token)

	clientConfig.BearerToken = token

	osClient, err := osclient.New(clientConfig)
	if err != nil {
		fmt.Printf("Error building osClient: %v\n", err)
		return
	}

	jsonResponse, _, err := getTokenInfo(token, osClient)
	if err != nil {
		fmt.Printf("%v\n", err)
		fmt.Println("Try visiting " + getRequestTokenURL(clientConfig) + " for a new token.")
		return
	}
	fmt.Printf("%v\n", string(jsonResponse))

	whoami, err := osClient.Users().Get("~")
	if err != nil {
		fmt.Printf("Error making whoami request: %v\n", err)
		return
	}
	whoamiJSON, err := json.Marshal(whoami)
	if err != nil {
		fmt.Printf("Error interpretting whoami response: %v\n", err)
		return
	}
	fmt.Printf("%v\n", string(whoamiJSON))
}
Пример #4
0
func TestOAuthDisabled(t *testing.T) {
	// Build master config
	masterOptions, err := testserver.DefaultMasterOptions()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// Disable OAuth
	masterOptions.OAuthConfig = nil

	// Start server
	clusterAdminKubeConfig, err := testserver.StartConfiguredMaster(masterOptions)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	client, err := testutil.GetClusterAdminKubeClient(clusterAdminKubeConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	clientConfig, err := testutil.GetClusterAdminClientConfig(clusterAdminKubeConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// Make sure cert auth still works
	namespaces, err := client.Namespaces().List(labels.Everything(), fields.Everything())
	if err != nil {
		t.Fatalf("Unexpected error %v", err)
	}
	if len(namespaces.Items) == 0 {
		t.Errorf("Expected namespaces, got none")
	}

	// Use the server and CA info
	anonConfig := kclient.Config{}
	anonConfig.Host = clientConfig.Host
	anonConfig.CAFile = clientConfig.CAFile
	anonConfig.CAData = clientConfig.CAData

	// Make sure we can't authenticate using OAuth
	if _, err := tokencmd.RequestToken(&anonConfig, nil, "username", "password"); err == nil {
		t.Error("Expected error, got none")
	}

}
Пример #5
0
// Clients returns an OpenShift and Kubernetes client with the credentials of the named service account
// TODO: change return types to client.Interface/kclient.Interface to allow auto-reloading credentials
func Clients(config kclient.Config, tokenRetriever TokenRetriever, namespace, name string) (*client.Client, *kclient.Client, error) {
	// Clear existing auth info
	config.Username = ""
	config.Password = ""
	config.CertFile = ""
	config.CertData = []byte{}
	config.KeyFile = ""
	config.KeyData = []byte{}

	// For now, just initialize the token once
	// TODO: refetch the token if the client encounters 401 errors
	token, err := tokenRetriever.GetToken(namespace, name)
	if err != nil {
		return nil, nil, err
	}
	config.BearerToken = token

	c, err := client.New(&config)
	if err != nil {
		return nil, nil, err
	}

	kc, err := kclient.New(&config)
	if err != nil {
		return nil, nil, err
	}

	return c, kc, nil
}
Пример #6
0
// addChaosToClientConfig injects random errors into client connections if configured.
func (s *KubeletServer) addChaosToClientConfig(config *client.Config) {
	if s.ChaosChance != 0.0 {
		config.WrapTransport = func(rt http.RoundTripper) http.RoundTripper {
			seed := chaosclient.NewSeed(1)
			// TODO: introduce a standard chaos package with more tunables - this is just a proof of concept
			// TODO: introduce random latency and stalls
			return chaosclient.NewChaosRoundTripper(rt, chaosclient.LogChaos, seed.P(s.ChaosChance, chaosclient.ErrSimulatedConnectionResetByPeer))
		}
	}
}
Пример #7
0
// MergeWithConfig returns a copy of a client.Config with values from the Info.
// The fields of client.Config with a corresponding field in the Info are set
// with the value from the Info.
func (info Info) MergeWithConfig(c client.Config) (client.Config, error) {
	var config client.Config = c
	config.Username = info.User
	config.Password = info.Password
	config.CAFile = info.CAFile
	config.CertFile = info.CertFile
	config.KeyFile = info.KeyFile
	config.BearerToken = info.BearerToken
	if info.Insecure != nil {
		config.Insecure = *info.Insecure
	}
	return config, nil
}
Пример #8
0
func TestOAuthRequestHeader(t *testing.T) {
	// Write cert we're going to use to verify OAuth requestheader requests
	caFile, err := ioutil.TempFile("", "test.crt")
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	defer os.Remove(caFile.Name())
	if err := ioutil.WriteFile(caFile.Name(), rootCACert, os.FileMode(0600)); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	masterOptions, err := testutil.DefaultMasterOptions()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	masterOptions.OAuthConfig.IdentityProviders[0] = configapi.IdentityProvider{
		Name:            "requestheader",
		UseAsChallenger: false,
		UseAsLogin:      false,
		Provider: runtime.EmbeddedObject{
			&configapi.RequestHeaderIdentityProvider{
				ClientCA: caFile.Name(),
				Headers:  []string{"My-Remote-User", "SSO-User"},
			},
		},
	}

	// Start server
	clusterAdminKubeConfig, err := testutil.StartConfiguredMaster(masterOptions)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	clientConfig, err := testutil.GetClusterAdminClientConfig(clusterAdminKubeConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// Use the server and CA info, but no client cert info
	anonConfig := kclient.Config{}
	anonConfig.Host = clientConfig.Host
	anonConfig.CAFile = clientConfig.CAFile
	anonConfig.CAData = clientConfig.CAData

	// Build the authorize request with the My-Remote-User header
	authorizeURL := clientConfig.Host + "/oauth/authorize?client_id=openshift-challenging-client&response_type=token"
	req, err := http.NewRequest("GET", authorizeURL, nil)
	req.Header.Set("My-Remote-User", "myuser")

	// Make the request without cert auth
	transport, err := kclient.TransportFor(&anonConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	resp, err := transport.RoundTrip(req)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	redirect, err := resp.Location()
	if err != nil {
		t.Fatalf("expected 302 redirect, got error: %v", err)
	}
	if redirect.Query().Get("error") == "" {
		t.Fatalf("expected unsuccessful token request, got redirected to %v", redirect.String())
	}

	// Use the server and CA info, with cert info
	authProxyConfig := anonConfig
	authProxyConfig.CertData = clientCert
	authProxyConfig.KeyData = clientKey

	// Make the request with cert info
	transport, err = kclient.TransportFor(&authProxyConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	resp, err = transport.RoundTrip(req)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	redirect, err = resp.Location()
	if err != nil {
		t.Fatalf("expected 302 redirect, got error: %v", err)
	}
	if redirect.Query().Get("error") != "" {
		t.Fatalf("expected successful token request, got error %v", redirect.String())
	}

	// Extract the access_token

	// group #0 is everything.                      #1                #2     #3
	accessTokenRedirectRegex := regexp.MustCompile(`(^|&)access_token=([^&]+)($|&)`)
	accessToken := ""
	if matches := accessTokenRedirectRegex.FindStringSubmatch(redirect.Fragment); matches != nil {
		accessToken = matches[2]
	}
	if accessToken == "" {
		t.Fatalf("Expected access token, got %s", redirect.String())
	}

	// Make sure we can use the token, and it represents who we expect
	userConfig := anonConfig
	userConfig.BearerToken = accessToken
	userClient, err := client.New(&userConfig)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	user, err := userClient.Users().Get("~")
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if user.Name != "myuser" {
		t.Fatalf("Expected myuser as the user, got %v", user)
	}
}
Пример #9
0
func TestOAuthLDAP(t *testing.T) {
	var (
		randomSuffix = string(kutil.NewUUID())

		providerName = "myldapprovider"

		bindDN       = "uid=admin,ou=company,ou=" + randomSuffix
		bindPassword = "******" + randomSuffix

		searchDN     = "ou=company,ou=" + randomSuffix
		searchAttr   = "myuid" + randomSuffix
		searchScope  = "one"              // must be "one","sub", or "base"
		searchFilter = "(myAttr=myValue)" // must be a valid LDAP filter format

		nameAttr1  = "missing-name-attr"
		nameAttr2  = "a-display-name" + randomSuffix
		idAttr1    = "missing-id-attr"
		idAttr2    = "dn" // "dn" is a special value, so don't add a random suffix to make sure we handle it correctly
		emailAttr1 = "missing-attr"
		emailAttr2 = "c-mail" + randomSuffix
		loginAttr1 = "missing-attr"
		loginAttr2 = "d-mylogin" + randomSuffix

		myUserUID      = "myuser"
		myUserName     = "******"
		myUserEmail    = "*****@*****.**"
		myUserDN       = searchAttr + "=" + myUserUID + "," + searchDN
		myUserPassword = "******" + randomSuffix
	)

	expectedAttributes := [][]byte{}
	for _, attr := range kutil.NewStringSet(searchAttr, nameAttr1, nameAttr2, idAttr1, idAttr2, emailAttr1, emailAttr2, loginAttr1, loginAttr2).List() {
		expectedAttributes = append(expectedAttributes, []byte(attr))
	}
	expectedSearchRequest := ldapserver.SearchRequest{
		BaseObject:   []byte(searchDN),
		Scope:        ldapserver.SearchRequestSingleLevel,
		DerefAliases: 0,
		SizeLimit:    2,
		TimeLimit:    0,
		TypesOnly:    false,
		Attributes:   expectedAttributes,
		Filter:       fmt.Sprintf("(&%s(%s=%s))", searchFilter, searchAttr, myUserUID),
	}

	// Start LDAP server
	ldapAddress, err := testserver.FindAvailableBindAddress(8389, 8400)
	if err != nil {
		t.Fatalf("could not allocate LDAP bind address: %v", err)
	}
	ldapServer := testutil.NewTestLDAPServer()
	ldapServer.SetPassword(bindDN, bindPassword)
	ldapServer.Start(ldapAddress)
	defer ldapServer.Stop()

	masterOptions, err := testserver.DefaultMasterOptions()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	masterOptions.OAuthConfig.IdentityProviders[0] = configapi.IdentityProvider{
		Name:            providerName,
		UseAsChallenger: true,
		UseAsLogin:      true,
		Provider: runtime.EmbeddedObject{
			Object: &configapi.LDAPPasswordIdentityProvider{
				URL:          fmt.Sprintf("ldap://%s/%s?%s?%s?%s", ldapAddress, searchDN, searchAttr, searchScope, searchFilter),
				BindDN:       bindDN,
				BindPassword: bindPassword,
				Insecure:     true,
				CA:           "",
				Attributes: configapi.LDAPAttributeMapping{
					ID:                []string{idAttr1, idAttr2},
					PreferredUsername: []string{loginAttr1, loginAttr2},
					Name:              []string{nameAttr1, nameAttr2},
					Email:             []string{emailAttr1, emailAttr2},
				},
			},
		},
	}

	clusterAdminKubeConfig, err := testserver.StartConfiguredMaster(masterOptions)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	clusterAdminClientConfig, err := testutil.GetClusterAdminClientConfig(clusterAdminKubeConfig)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	clusterAdminClient, err := testutil.GetClusterAdminClient(clusterAdminKubeConfig)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	// Use the server and CA info
	anonConfig := kclient.Config{}
	anonConfig.Host = clusterAdminClientConfig.Host
	anonConfig.CAFile = clusterAdminClientConfig.CAFile
	anonConfig.CAData = clusterAdminClientConfig.CAData

	// Make sure we can't authenticate as a missing user
	ldapServer.ResetRequests()
	if _, err := tokencmd.RequestToken(&anonConfig, nil, myUserUID, myUserPassword); err == nil {
		t.Error("Expected error, got none")
	}
	if len(ldapServer.BindRequests) != 1 {
		t.Errorf("Expected a single bind request for the search phase, got %d:\n%#v", len(ldapServer.BindRequests), ldapServer.BindRequests)
	}
	if len(ldapServer.SearchRequests) != 1 {
		t.Errorf("Expected a single search request, got %d:\n%#v", len(ldapServer.BindRequests), ldapServer.BindRequests)
	}

	// Add user
	ldapServer.SetPassword(myUserDN, myUserPassword)
	ldapServer.AddSearchResult(myUserDN, map[string]string{emailAttr2: myUserEmail, nameAttr2: myUserName, loginAttr2: myUserUID})

	// Make sure we can't authenticate with a bad password
	ldapServer.ResetRequests()
	if _, err := tokencmd.RequestToken(&anonConfig, nil, myUserUID, "badpassword"); err == nil {
		t.Error("Expected error, got none")
	}
	if len(ldapServer.BindRequests) != 2 {
		t.Errorf("Expected a bind request for the search phase and a failed bind request for the auth phase, got %d:\n%#v", len(ldapServer.BindRequests), ldapServer.BindRequests)
	}
	if len(ldapServer.SearchRequests) != 1 {
		t.Errorf("Expected a single search request, got %d:\n%#v", len(ldapServer.BindRequests), ldapServer.BindRequests)
	}

	// Make sure we can get a token with a good password
	ldapServer.ResetRequests()
	accessToken, err := tokencmd.RequestToken(&anonConfig, nil, myUserUID, myUserPassword)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if len(accessToken) == 0 {
		t.Errorf("Expected access token, got none")
	}
	if len(ldapServer.BindRequests) != 2 {
		t.Errorf("Expected a bind request for the search phase and a failed bind request for the auth phase, got %d:\n%#v", len(ldapServer.BindRequests), ldapServer.BindRequests)
	}
	if len(ldapServer.SearchRequests) != 1 {
		t.Errorf("Expected a single search request, got %d:\n%#v", len(ldapServer.BindRequests), ldapServer.BindRequests)
	}
	if !reflect.DeepEqual(expectedSearchRequest.BaseObject, ldapServer.SearchRequests[0].BaseObject) {
		t.Errorf("Expected search base DN\n\t%#v\ngot\n\t%#v",
			string(expectedSearchRequest.BaseObject),
			string(ldapServer.SearchRequests[0].BaseObject),
		)
	}
	if !reflect.DeepEqual(expectedSearchRequest.Filter, ldapServer.SearchRequests[0].Filter) {
		t.Errorf("Expected search filter\n\t%#v\ngot\n\t%#v",
			string(expectedSearchRequest.Filter),
			string(ldapServer.SearchRequests[0].Filter),
		)
	}
	{
		expectedAttrs := []string{}
		for _, a := range expectedSearchRequest.Attributes {
			expectedAttrs = append(expectedAttrs, string(a))
		}
		actualAttrs := []string{}
		for _, a := range ldapServer.SearchRequests[0].Attributes {
			actualAttrs = append(actualAttrs, string(a))
		}
		if !reflect.DeepEqual(expectedAttrs, actualAttrs) {
			t.Errorf("Expected search attributes\n\t%#v\ngot\n\t%#v", expectedAttrs, actualAttrs)
		}
	}

	// Make sure we can use the token, and it represents who we expect
	userConfig := anonConfig
	userConfig.BearerToken = accessToken
	userClient, err := client.New(&userConfig)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	user, err := userClient.Users().Get("~")
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if user.Name != myUserUID {
		t.Fatalf("Expected %s as the user, got %v", myUserUID, user)
	}

	// Make sure the identity got created and contained the mapped attributes
	identity, err := clusterAdminClient.Identities().Get(fmt.Sprintf("%s:%s", providerName, myUserDN))
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if identity.ProviderUserName != myUserDN {
		t.Errorf("Expected %q, got %q", myUserDN, identity.ProviderUserName)
	}
	if v := identity.Extra[authapi.IdentityDisplayNameKey]; v != myUserName {
		t.Errorf("Expected %q, got %q", myUserName, v)
	}
	if v := identity.Extra[authapi.IdentityPreferredUsernameKey]; v != myUserUID {
		t.Errorf("Expected %q, got %q", myUserUID, v)
	}
	if v := identity.Extra[authapi.IdentityEmailKey]; v != myUserEmail {
		t.Errorf("Expected %q, got %q", myUserEmail, v)
	}

}
Пример #10
0
func TestHTPasswd(t *testing.T) {
	htpasswdFile, err := ioutil.TempFile("", "test.htpasswd")
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	defer os.Remove(htpasswdFile.Name())

	masterOptions, err := testserver.DefaultMasterOptions()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	masterOptions.OAuthConfig.IdentityProviders[0] = configapi.IdentityProvider{
		Name:            "htpasswd",
		UseAsChallenger: true,
		UseAsLogin:      true,
		Provider: runtime.EmbeddedObject{
			Object: &configapi.HTPasswdPasswordIdentityProvider{
				File: htpasswdFile.Name(),
			},
		},
	}

	clusterAdminKubeConfig, err := testserver.StartConfiguredMaster(masterOptions)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	clientConfig, err := testutil.GetClusterAdminClientConfig(clusterAdminKubeConfig)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	// Use the server and CA info
	anonConfig := kclient.Config{}
	anonConfig.Host = clientConfig.Host
	anonConfig.CAFile = clientConfig.CAFile
	anonConfig.CAData = clientConfig.CAData

	// Make sure we can't authenticate
	if _, err := tokencmd.RequestToken(&anonConfig, nil, "username", "password"); err == nil {
		t.Error("Expected error, got none")
	}

	// Update the htpasswd file with output of `htpasswd -n -b username password`
	userpass := "******"
	ioutil.WriteFile(htpasswdFile.Name(), []byte(userpass), os.FileMode(0600))

	// Make sure we can get a token
	accessToken, err := tokencmd.RequestToken(&anonConfig, nil, "username", "password")
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if len(accessToken) == 0 {
		t.Errorf("Expected access token, got none")
	}

	// Make sure we can use the token, and it represents who we expect
	userConfig := anonConfig
	userConfig.BearerToken = accessToken
	userClient, err := client.New(&userConfig)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	user, err := userClient.Users().Get("~")
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if user.Name != "username" {
		t.Fatalf("Expected username as the user, got %v", user)
	}
}
Пример #11
0
func CreateKubeSources(uri *url.URL, c cache.Cache) ([]api.Source, error) {
	var (
		kubeConfig *kube_client.Config
		err        error
	)

	opts := uri.Query()
	configOverrides, err := getConfigOverrides(uri)
	if err != nil {
		return nil, err
	}

	inClusterConfig := defaultInClusterConfig
	if len(opts["inClusterConfig"]) > 0 {
		inClusterConfig, err = strconv.ParseBool(opts["inClusterConfig"][0])
		if err != nil {
			return nil, err
		}
	}

	if inClusterConfig {
		kubeConfig, err = kube_client.InClusterConfig()
		if err != nil {
			return nil, err
		}

		if configOverrides.ClusterInfo.Server != "" {
			kubeConfig.Host = configOverrides.ClusterInfo.Server
		}
		kubeConfig.Version = configOverrides.ClusterInfo.APIVersion
	} else {
		authFile := ""
		if len(opts["auth"]) > 0 {
			authFile = opts["auth"][0]
		}

		if authFile != "" {
			if kubeConfig, err = kubeClientCmd.NewNonInteractiveDeferredLoadingClientConfig(
				&kubeClientCmd.ClientConfigLoadingRules{ExplicitPath: authFile},
				configOverrides).ClientConfig(); err != nil {
				return nil, err
			}
		} else {
			kubeConfig = &kube_client.Config{
				Host:     configOverrides.ClusterInfo.Server,
				Version:  configOverrides.ClusterInfo.APIVersion,
				Insecure: configOverrides.ClusterInfo.InsecureSkipTLSVerify,
			}
		}
	}
	if len(kubeConfig.Host) == 0 {
		return nil, fmt.Errorf("invalid kubernetes master url specified")
	}
	if len(kubeConfig.Version) == 0 {
		return nil, fmt.Errorf("invalid kubernetes API version specified")
	}

	useServiceAccount := defaultUseServiceAccount
	if len(opts["useServiceAccount"]) >= 1 {
		useServiceAccount, err = strconv.ParseBool(opts["useServiceAccount"][0])
		if err != nil {
			return nil, err
		}
	}

	if useServiceAccount {
		// If a readable service account token exists, then use it
		if contents, err := ioutil.ReadFile(defaultServiceAccountFile); err == nil {
			kubeConfig.BearerToken = string(contents)
		}
	}

	kubeClient := kube_client.NewOrDie(kubeConfig)

	nodesApi, err := nodes.NewKubeNodes(kubeClient)
	if err != nil {
		return nil, err
	}
	kubeletPort := defaultKubeletPort
	if len(opts["kubeletPort"]) >= 1 {
		kubeletPort, err = strconv.Atoi(opts["kubeletPort"][0])
		if err != nil {
			return nil, err
		}
	}

	kubeletHttps := defaultKubeletHttps
	if len(opts["kubeletHttps"]) >= 1 {
		kubeletHttps, err = strconv.ParseBool(opts["kubeletHttps"][0])
		if err != nil {
			return nil, err
		}
	}
	glog.Infof("Using Kubernetes client with master %q and version %q\n", kubeConfig.Host, kubeConfig.Version)
	glog.Infof("Using kubelet port %d", kubeletPort)

	kubeletConfig := &kube_client.KubeletConfig{
		Port:            uint(kubeletPort),
		EnableHttps:     kubeletHttps,
		TLSClientConfig: kubeConfig.TLSClientConfig,
	}

	kubeletApi, err := datasource.NewKubelet(kubeletConfig)
	if err != nil {
		return nil, err
	}

	kubePodsSource := NewKubePodMetrics(kubeletPort, kubeletApi, nodesApi, newPodsApi(kubeClient))
	kubeNodeSource := NewKubeNodeMetrics(kubeletPort, kubeletApi, nodesApi)
	kubeEventsSource := NewKubeEvents(kubeClient, c)

	return []api.Source{kubePodsSource, kubeNodeSource, kubeEventsSource}, nil
}
Пример #12
0
// TestOAuthRequestHeader checks the following scenarios:
//  * request containing remote user header is ignored if it doesn't have client cert auth
//  * request containing remote user header is honored if it has client cert auth
//  * unauthenticated requests are redirected to an auth proxy
//  * login command succeeds against a request-header identity provider via redirection to an auth proxy
func TestOAuthRequestHeader(t *testing.T) {
	// Test data used by auth proxy
	users := map[string]string{
		"myusername": "******",
	}

	// Write cert we're going to use to verify OAuth requestheader requests
	caFile, err := ioutil.TempFile("", "test.crt")
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	defer os.Remove(caFile.Name())
	if err := ioutil.WriteFile(caFile.Name(), rootCACert, os.FileMode(0600)); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// Get master config
	masterOptions, err := testserver.DefaultMasterOptions()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	masterURL, _ := url.Parse(masterOptions.OAuthConfig.MasterPublicURL)

	// Set up an auth proxy
	var proxyTransport http.RoundTripper
	proxyServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		// Decide whether to challenge
		username, password, hasBasicAuth := r.BasicAuth()
		if correctPassword, hasUser := users[username]; !hasBasicAuth || !hasUser || password != correctPassword {
			w.Header().Set("WWW-Authenticate", "Basic realm=Protected Area")
			w.WriteHeader(401)
			return
		}

		// Swap the scheme and host to the master, keeping path and params the same
		proxyURL := r.URL
		proxyURL.Scheme = masterURL.Scheme
		proxyURL.Host = masterURL.Host

		// Build a request, copying the original method, body, and headers, overriding the remote user headers
		proxyRequest, _ := http.NewRequest(r.Method, proxyURL.String(), r.Body)
		proxyRequest.Header = r.Header
		proxyRequest.Header.Set("My-Remote-User", username)
		proxyRequest.Header.Set("SSO-User", "")

		// Round trip to the back end
		response, err := proxyTransport.RoundTrip(r)
		if err != nil {
			t.Fatalf("Unexpected error: %v", err)
		}
		defer response.Body.Close()

		// Copy response back to originator
		for k, v := range response.Header {
			w.Header()[k] = v
		}
		w.WriteHeader(response.StatusCode)
		if _, err := io.Copy(w, response.Body); err != nil {
			t.Fatalf("Unexpected error: %v", err)
		}
	}))
	defer proxyServer.Close()

	masterOptions.OAuthConfig.IdentityProviders[0] = configapi.IdentityProvider{
		Name:            "requestheader",
		UseAsChallenger: true,
		UseAsLogin:      true,
		Provider: runtime.EmbeddedObject{
			Object: &configapi.RequestHeaderIdentityProvider{
				ChallengeURL: proxyServer.URL + "/oauth/authorize?${query}",
				LoginURL:     "http://www.example.com/login?then=${url}",
				ClientCA:     caFile.Name(),
				Headers:      []string{"My-Remote-User", "SSO-User"},
			},
		},
	}

	// Start server
	clusterAdminKubeConfig, err := testserver.StartConfiguredMaster(masterOptions)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	clientConfig, err := testutil.GetClusterAdminClientConfig(clusterAdminKubeConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// Use the server and CA info, but no client cert info
	anonConfig := kclient.Config{}
	anonConfig.Host = clientConfig.Host
	anonConfig.CAFile = clientConfig.CAFile
	anonConfig.CAData = clientConfig.CAData
	anonTransport, err := kclient.TransportFor(&anonConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// Use the server and CA info, with cert info
	proxyConfig := anonConfig
	proxyConfig.CertData = clientCert
	proxyConfig.KeyData = clientKey
	proxyTransport, err = kclient.TransportFor(&proxyConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// Build the authorize request, spoofing a remote user header
	authorizeURL := clientConfig.Host + "/oauth/authorize?client_id=openshift-challenging-client&response_type=token"
	req, err := http.NewRequest("GET", authorizeURL, nil)
	req.Header.Set("My-Remote-User", "myuser")

	// Make the request without cert auth
	resp, err := anonTransport.RoundTrip(req)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	proxyRedirect, err := resp.Location()
	if err != nil {
		t.Fatalf("expected spoofed remote user header to get 302 redirect, got error: %v", err)
	}
	if proxyRedirect.String() != proxyServer.URL+"/oauth/authorize?client_id=openshift-challenging-client&response_type=token" {
		t.Fatalf("expected redirect to proxy endpoint, got redirected to %v", proxyRedirect.String())
	}

	// Request the redirected URL, which should cause the proxy to make the same request with cert auth
	req, err = http.NewRequest("GET", proxyRedirect.String(), nil)
	req.Header.Set("My-Remote-User", "myuser")
	req.SetBasicAuth("myusername", "mypassword")

	resp, err = proxyTransport.RoundTrip(req)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	tokenRedirect, err := resp.Location()
	if err != nil {
		t.Fatalf("expected 302 redirect, got error: %v", err)
	}
	if tokenRedirect.Query().Get("error") != "" {
		t.Fatalf("expected successful token request, got error %v", tokenRedirect.String())
	}

	// Extract the access_token

	// group #0 is everything.                      #1                #2     #3
	accessTokenRedirectRegex := regexp.MustCompile(`(^|&)access_token=([^&]+)($|&)`)
	accessToken := ""
	if matches := accessTokenRedirectRegex.FindStringSubmatch(tokenRedirect.Fragment); matches != nil {
		accessToken = matches[2]
	}
	if accessToken == "" {
		t.Fatalf("Expected access token, got %s", tokenRedirect.String())
	}

	// Make sure we can use the token, and it represents who we expect
	userConfig := anonConfig
	userConfig.BearerToken = accessToken
	userClient, err := client.New(&userConfig)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	user, err := userClient.Users().Get("~")
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if user.Name != "myusername" {
		t.Fatalf("Expected myusername as the user, got %v", user)
	}

	// Get the master CA data for the login command
	masterCAFile := userConfig.CAFile
	if masterCAFile == "" {
		// Write master ca data
		tmpFile, err := ioutil.TempFile("", "ca.crt")
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		defer os.Remove(tmpFile.Name())
		if err := ioutil.WriteFile(tmpFile.Name(), userConfig.CAData, os.FileMode(0600)); err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		masterCAFile = tmpFile.Name()
	}

	// Attempt a login using a redirecting auth proxy
	loginOutput := &bytes.Buffer{}
	loginOptions := &cmd.LoginOptions{
		Server:             anonConfig.Host,
		CAFile:             masterCAFile,
		StartingKubeConfig: &clientcmdapi.Config{},
		Reader:             bytes.NewBufferString("myusername\nmypassword\n"),
		Out:                loginOutput,
	}
	if err := loginOptions.GatherInfo(); err != nil {
		t.Fatalf("Error trying to determine server info: %v\n%v", err, loginOutput.String())
	}
	if loginOptions.Username != "myusername" {
		t.Fatalf("Unexpected user after authentication: %#v", loginOptions)
	}
	if len(loginOptions.Config.BearerToken) == 0 {
		t.Fatalf("Expected token after authentication: %#v", loginOptions.Config)
	}
}
Пример #13
0
func TestOAuthBasicAuthPassword(t *testing.T) {
	remotePrefix := "remote"
	expectedLogin := "******"
	expectedPassword := "******"
	expectedAuthHeader := "Basic " + base64.StdEncoding.EncodeToString([]byte(expectedLogin+":"+expectedPassword))
	expectedUsername := remotePrefix + expectedLogin

	// Create tempfiles with certs and keys we're going to use
	certNames := map[string]string{}
	for certName, certContents := range basicAuthCerts {
		f, err := ioutil.TempFile("", certName)
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		defer os.Remove(f.Name())
		if err := ioutil.WriteFile(f.Name(), certContents, os.FileMode(0600)); err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		certNames[certName] = f.Name()
	}

	// Build client cert pool
	clientCAs, err := util.CertPoolFromFile(certNames[basicAuthRemoteCACert])
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// Build remote handler
	remoteHandler := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		if req.TLS == nil {
			w.WriteHeader(http.StatusUnauthorized)
			t.Fatalf("Expected TLS")
		}
		if len(req.TLS.VerifiedChains) != 1 {
			w.WriteHeader(http.StatusUnauthorized)
			t.Fatalf("Expected peer cert verified by server")
		}
		if req.Header.Get("Authorization") != expectedAuthHeader {
			w.WriteHeader(http.StatusUnauthorized)
			t.Fatalf("Unexpected auth header: %s", req.Header.Get("Authorization"))
		}

		w.Header().Set("Content-Type", "application/json")
		w.Write([]byte(fmt.Sprintf(`{"sub":"%s"}`, expectedUsername)))
	})

	// Start remote server
	remoteAddr, err := testutil.FindAvailableBindAddress(9443, 9999)
	if err != nil {
		t.Fatalf("Couldn't get free address for test server: %v", err)
	}
	remoteServer := &http.Server{
		Addr:           remoteAddr,
		Handler:        remoteHandler,
		ReadTimeout:    10 * time.Second,
		WriteTimeout:   10 * time.Second,
		MaxHeaderBytes: 1 << 20,
		TLSConfig: &tls.Config{
			// Change default from SSLv3 to TLSv1.0 (because of POODLE vulnerability)
			MinVersion: tls.VersionTLS10,
			// RequireAndVerifyClientCert lets us limit requests to ones with a valid client certificate
			ClientAuth: tls.RequireAndVerifyClientCert,
			ClientCAs:  clientCAs,
		},
	}
	go func() {
		if err := remoteServer.ListenAndServeTLS(certNames[basicAuthRemoteServerCert], certNames[basicAuthRemoteServerKey]); err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
	}()

	// Build master config
	masterOptions, err := testutil.DefaultMasterOptions()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	masterOptions.OAuthConfig.IdentityProviders[0] = configapi.IdentityProvider{
		Name:            "basicauth",
		UseAsChallenger: true,
		UseAsLogin:      true,
		Provider: runtime.EmbeddedObject{
			Object: &configapi.BasicAuthPasswordIdentityProvider{
				RemoteConnectionInfo: configapi.RemoteConnectionInfo{
					URL: fmt.Sprintf("https://%s", remoteAddr),
					CA:  certNames[basicAuthRemoteCACert],
					ClientCert: configapi.CertInfo{
						CertFile: certNames[basicAuthClientCert],
						KeyFile:  certNames[basicAuthClientKey],
					},
				},
			},
		},
	}

	// Start server
	clusterAdminKubeConfig, err := testutil.StartConfiguredMaster(masterOptions)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	clientConfig, err := testutil.GetClusterAdminClientConfig(clusterAdminKubeConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// Use the server and CA info
	anonConfig := kclient.Config{}
	anonConfig.Host = clientConfig.Host
	anonConfig.CAFile = clientConfig.CAFile
	anonConfig.CAData = clientConfig.CAData

	// Make sure we can get a token
	accessToken, err := tokencmd.RequestToken(&anonConfig, nil, expectedLogin, expectedPassword)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if len(accessToken) == 0 {
		t.Errorf("Expected access token, got none")
	}

	// Make sure we can use the token, and it represents who we expect
	userConfig := anonConfig
	userConfig.BearerToken = accessToken
	userClient, err := client.New(&userConfig)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	user, err := userClient.Users().Get("~")
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if user.Name != expectedUsername {
		t.Fatalf("Expected username as the user, got %v", user)
	}

}