Update plugins

vendor/github.com/hashicorp/vault-plugin-auth-gcp/plugin/backend.go

@@ -3,32 +3,26 @@ package gcpauth
 import (
 	"context"
 	"fmt"
-	"net/http"
+	"github.com/hashicorp/errwrap"
-	"runtime"
-	"sync"
-
 	"github.com/hashicorp/go-cleanhttp"
-	"github.com/hashicorp/go-gcp-common/gcputil"
+	"github.com/hashicorp/vault/helper/useragent"
 	"github.com/hashicorp/vault/logical"
 	"github.com/hashicorp/vault/logical/framework"
-	"github.com/hashicorp/vault/version"
 	"golang.org/x/oauth2"
+	"golang.org/x/oauth2/google"
+	"google.golang.org/api/cloudresourcemanager/v1"
 	"google.golang.org/api/compute/v1"
 	"google.golang.org/api/iam/v1"
+	"net/http"
 )
 
+const defaultCloudScope = "https://www.googleapis.com/auth/cloud-platform"
+
 type GcpAuthBackend struct {
 	*framework.Backend
 
 	// OAuth scopes for generating HTTP and GCP service clients.
 	oauthScopes []string
-
-	// Locks for guarding service clients
-	clientMutex sync.RWMutex
-
-	// -- GCP service clients --
-	iamClient *iam.Service
-	gceClient *compute.Service
 }
 
 // Factory returns a new backend as logical.Backend.
@@ -42,16 +36,12 @@ func Factory(ctx context.Context, conf *logical.BackendConfig) (logical.Backend,
 
 func Backend() *GcpAuthBackend {
 	b := &GcpAuthBackend{
-		oauthScopes: []string{
+		oauthScopes: []string{defaultCloudScope},
-			iam.CloudPlatformScope,
-			compute.ComputeReadonlyScope,
-		},
 	}
 
 	b.Backend = &framework.Backend{
 		AuthRenew:   b.pathLoginRenew,
 		BackendType: logical.TypeCredential,
-		Invalidate:  b.invalidate,
 		Help:        backendHelp,
 		PathsSpecial: &logical.Paths{
 			Unauthenticated: []string{
@@ -72,106 +62,77 @@ func Backend() *GcpAuthBackend {
 	return b
 }
 
-func (b *GcpAuthBackend) invalidate(_ context.Context, key string) {
+func (b *GcpAuthBackend) httpClient(ctx context.Context, s logical.Storage) (*http.Client, error) {
-	switch key {
-	case "config":
-		b.Close()
-	}
-}
-
-// Close deletes created GCP clients in backend.
-func (b *GcpAuthBackend) Close() {
-	b.clientMutex.Lock()
-	defer b.clientMutex.Unlock()
-
-	b.iamClient = nil
-	b.gceClient = nil
-}
-
-func (b *GcpAuthBackend) IAM(ctx context.Context, s logical.Storage) (*iam.Service, error) {
-	b.clientMutex.RLock()
-	if b.iamClient != nil {
-		defer b.clientMutex.RUnlock()
-		return b.iamClient, nil
-	}
-
-	b.clientMutex.RUnlock()
-	b.clientMutex.Lock()
-	defer b.clientMutex.Unlock()
-
-	// Check if client was created during lock switch.
-	if b.iamClient == nil {
-		err := b.initClients(ctx, s)
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	return b.iamClient, nil
-}
-
-func (b *GcpAuthBackend) GCE(ctx context.Context, s logical.Storage) (*compute.Service, error) {
-	b.clientMutex.RLock()
-	if b.gceClient != nil {
-		defer b.clientMutex.RUnlock()
-		return b.gceClient, nil
-	}
-
-	b.clientMutex.RUnlock()
-	b.clientMutex.Lock()
-	defer b.clientMutex.Unlock()
-
-	// Check if client was created during lock switch.
-	if b.gceClient == nil {
-		err := b.initClients(ctx, s)
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	return b.gceClient, nil
-}
-
-// Initialize attempts to create GCP clients from stored config.
-// It does not attempt to claim the client lock.
-func (b *GcpAuthBackend) initClients(ctx context.Context, s logical.Storage) (err error) {
 	config, err := b.config(ctx, s)
 	if err != nil {
-		return err
+		return nil, errwrap.Wrapf(
+			"could not check to see if GCP credentials were configured, error"+
+				"reading config: {{err}}", err)
 	}
 
-	var httpClient *http.Client
+	credsBytes, err := config.formatAndMarshalCredentials()
-	if config == nil || config.Credentials == nil {
+	if err != nil {
-		_, tknSrc, err := gcputil.FindCredentials("", ctx, b.oauthScopes...)
+		return nil, errwrap.Wrapf(
+			"unable to marshal given GCP credential JSON: {{err}}", err)
+	}
+
+	var creds *google.Credentials
+	if config != nil && config.Credentials != nil {
+		creds, err = google.CredentialsFromJSON(ctx, credsBytes, b.oauthScopes...)
 		if err != nil {
-			return fmt.Errorf("credentials were not configured and fallback to application default credentials failed: %v", err)
+			return nil, errwrap.Wrapf("failed to parse credentials: {{err}}", err)
 		}
-		cleanCtx := context.WithValue(context.Background(), oauth2.HTTPClient, cleanhttp.DefaultClient())
-		httpClient = oauth2.NewClient(cleanCtx, tknSrc)
 	} else {
-		httpClient, err = gcputil.GetHttpClient(config.Credentials, b.oauthScopes...)
+		creds, err = google.FindDefaultCredentials(ctx, b.oauthScopes...)
 		if err != nil {
-			return err
+			return nil, errwrap.Wrapf(
+				"credentials were not configured and Vault could not find "+
+					"Application Default Credentials (ADC). Either set ADC or "+
+					"configure this auth backend at auth/$MOUNT/config "+
+					"(default auth/gcp/config). Error: {{err}}", err)
 		}
 	}
 
-	userAgentStr := fmt.Sprintf("(%s %s) Vault/%s", runtime.GOOS, runtime.GOARCH, version.GetVersion().FullVersionNumber(true))
+	cleanCtx := context.WithValue(ctx, oauth2.HTTPClient, cleanhttp.DefaultClient())
+	client := oauth2.NewClient(cleanCtx, creds.TokenSource)
+	return client, nil
+}
 
-	b.iamClient, err = iam.New(httpClient)
+func (b *GcpAuthBackend) newGcpClients(ctx context.Context, s logical.Storage) (*clientHandles, error) {
+	httpC, err := b.httpClient(ctx, s)
 	if err != nil {
-		b.Close()
+		return nil, errwrap.Wrapf("could not obtain HTTP client: {{err}}", err)
-		return err
 	}
-	b.iamClient.UserAgent = userAgentStr
 
-	b.gceClient, err = compute.New(httpClient)
+	iamClient, err := iam.New(httpC)
 	if err != nil {
-		b.Close()
+		return nil, fmt.Errorf(clientErrorTemplate, "IAM", err)
-		return err
 	}
-	b.gceClient.UserAgent = userAgentStr
+	iamClient.UserAgent = useragent.String()
 
-	return nil
+	gceClient, err := compute.New(httpC)
+	if err != nil {
+		return nil, fmt.Errorf(clientErrorTemplate, "Compute", err)
+	}
+	iamClient.UserAgent = useragent.String()
+
+	crmClient, err := cloudresourcemanager.New(httpC)
+	if err != nil {
+		return nil, fmt.Errorf(clientErrorTemplate, "Cloud Resource Manager", err)
+	}
+	crmClient.UserAgent = useragent.String()
+
+	return &clientHandles{
+		iam:             iamClient,
+		gce:             gceClient,
+		resourceManager: crmClient,
+	}, nil
+}
+
+type clientHandles struct {
+	iam             *iam.Service
+	gce             *compute.Service
+	resourceManager *cloudresourcemanager.Service
 }
 
 const backendHelp = `

vendor/github.com/hashicorp/vault-plugin-auth-gcp/plugin/cli.go

@@ -163,8 +163,8 @@ Configuration:
 	permissions on this service account. 
   
   project=<string>                                
-	Project the service account belongs to. Defaults to credentials 
+	Project for the service account who will be authenticating to Vault.
-	"project_id" if "credentials" specified and this value is not.  
+    Defaults to the credential's "project_id" (if credentials are specified)."
 `
 
 	return strings.TrimSpace(help)

vendor/github.com/hashicorp/vault-plugin-auth-gcp/plugin/path_config.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 
+	"encoding/json"
 	"github.com/hashicorp/go-gcp-common/gcputil"
 	"github.com/hashicorp/vault/logical"
 	"github.com/hashicorp/vault/logical/framework"
@@ -23,8 +24,7 @@ If not specified, will use application default credentials`,
 			"google_certs_endpoint": {
 				Type: framework.TypeString,
 				Description: `
-Base endpoint url that Vault will use to get Google certificates.
+Deprecated. This field does nothing and be removed in a future release`,
-If not specified, will use the OAuth2 library default. Useful for testing.`,
 			},
 		},
 		Callbacks: map[logical.Operation]framework.OperationFunc{
@@ -65,9 +65,6 @@ func (b *GcpAuthBackend) pathConfigWrite(ctx context.Context, req *logical.Reque
 		return nil, err
 	}
 
-	// Invalidate exisitng clients so they read the new configuration
-	b.Close()
-
 	return nil, nil
 }
 
@@ -94,9 +91,6 @@ func (b *GcpAuthBackend) pathConfigRead(ctx context.Context, req *logical.Reques
 	if v := config.Credentials.ProjectId; v != "" {
 		resp["project_id"] = v
 	}
-	if v := config.GoogleCertsEndpoint; v != "" {
-		resp["google_certs_endpoint"] = v
-	}
 
 	return &logical.Response{
 		Data: resp,
@@ -115,8 +109,30 @@ iam AUTH:
 
 // gcpConfig contains all config required for the GCP backend.
 type gcpConfig struct {
-	Credentials         *gcputil.GcpCredentials `json:"credentials"`
+	Credentials *gcputil.GcpCredentials `json:"credentials"`
-	GoogleCertsEndpoint string                  `json:"google_certs_endpoint"`
+}
+
+// standardizedCreds wraps gcputil.GcpCredentials with a type to allow
+// parsing through Google libraries, since the google libraries struct is not
+// exposed.
+type standardizedCreds struct {
+	*gcputil.GcpCredentials
+	CredType string `json:"type"`
+}
+
+const serviceAccountCredsType = "service_account"
+
+// formatAsCredentialJSON converts and marshals the config credentials
+// into a parsable format by Google libraries.
+func (config *gcpConfig) formatAndMarshalCredentials() ([]byte, error) {
+	if config == nil || config.Credentials == nil {
+		return []byte{}, nil
+	}
+
+	return json.Marshal(standardizedCreds{
+		GcpCredentials: config.Credentials,
+		CredType:       serviceAccountCredsType,
+	})
 }
 
 // Update sets gcpConfig values parsed from the FieldData.
@@ -132,12 +148,6 @@ func (config *gcpConfig) Update(data *framework.FieldData) error {
 		}
 		config.Credentials = creds
 	}
-
-	certsEndpoint := data.Get("google_certs_endpoint").(string)
-	if len(certsEndpoint) > 0 {
-		config.GoogleCertsEndpoint = certsEndpoint
-	}
-
 	return nil
 }
 

vendor/github.com/hashicorp/vault-plugin-auth-gcp/plugin/path_login.go

@@ -15,6 +15,7 @@ import (
 	"github.com/hashicorp/vault/helper/strutil"
 	"github.com/hashicorp/vault/logical"
 	"github.com/hashicorp/vault/logical/framework"
+	"google.golang.org/api/cloudresourcemanager/v1"
 	"google.golang.org/api/compute/v1"
 	"google.golang.org/api/iam/v1"
 	"gopkg.in/square/go-jose.v2/jwt"
@@ -118,7 +119,7 @@ type gcpLoginInfo struct {
 	Role *gcpRole
 
 	// ID or email of an IAM service account or that inferred for a GCE VM.
-	ServiceAccountId string
+	EmailOrId string
 
 	// Base JWT Claims (registered claims such as 'exp', 'iss', etc)
 	JWTClaims *jwt.Claims
@@ -177,7 +178,7 @@ func (b *GcpAuthBackend) parseAndValidateJwt(ctx context.Context, req *logical.R
 	if len(baseClaims.Subject) == 0 {
 		return nil, errors.New("expected JWT to have non-empty 'sub' claim")
 	}
-	loginInfo.ServiceAccountId = baseClaims.Subject
+	loginInfo.EmailOrId = baseClaims.Subject
 
 	if customClaims.Google != nil && customClaims.Google.Compute != nil && len(customClaims.Google.Compute.InstanceId) > 0 {
 		loginInfo.GceMetadata = customClaims.Google.Compute
@@ -199,24 +200,23 @@ func (b *GcpAuthBackend) getSigningKey(ctx context.Context, token *jwt.JSONWebTo
 
 	switch role.RoleType {
 	case iamRoleType:
-		iamClient, err := b.IAM(ctx, s)
+		clients, err := b.newGcpClients(ctx, s)
 		if err != nil {
 			return nil, err
 		}
-
 		serviceAccountId, err := parseServiceAccountFromIAMJWT(rawToken)
 		if err != nil {
 			return nil, err
 		}
 
-		accountKey, err := gcputil.ServiceAccountKey(iamClient, &gcputil.ServiceAccountKeyId{
+		accountKey, err := gcputil.ServiceAccountKey(clients.iam, &gcputil.ServiceAccountKeyId{
-			Project:   role.ProjectId,
+			Project:   "-",
 			EmailOrId: serviceAccountId,
 			Key:       keyId,
 		})
 		if err != nil {
 			// Attempt to get a normal Google Oauth cert in case of GCE inferrence.
-			key, err := b.getGoogleOauthCert(ctx, keyId, s)
+			key, err := gcputil.OAuth2RSAPublicKey(keyId, "")
 			if err != nil {
 				return nil, errwrap.Wrapf(
 					fmt.Sprintf("could not find service account key or Google Oauth cert with given 'kid' id %s: {{err}}", keyId),
@@ -226,7 +226,7 @@ func (b *GcpAuthBackend) getSigningKey(ctx context.Context, token *jwt.JSONWebTo
 		}
 		return gcputil.PublicKey(accountKey.PublicKeyData)
 	case gceRoleType:
-		return b.getGoogleOauthCert(ctx, keyId, s)
+		return gcputil.OAuth2RSAPublicKey(keyId, "")
 	default:
 		return nil, fmt.Errorf("unexpected role type %s", role.RoleType)
 	}
@@ -245,17 +245,8 @@ func parseServiceAccountFromIAMJWT(signedJwt string) (string, error) {
 	return accountId, nil
 }
 
-func (b *GcpAuthBackend) getGoogleOauthCert(ctx context.Context, keyId string, s logical.Storage) (interface{}, error) {
+func (b *GcpAuthBackend) getGoogleOauthCert(ctx context.Context, keyId string) (interface{}, error) {
-	var certsEndpoint string
+	key, err := gcputil.OAuth2RSAPublicKey(keyId, "")
-	conf, err := b.config(ctx, s)
-	if err != nil {
-		return nil, fmt.Errorf("could not read config for backend: %v", err)
-	}
-	if conf != nil {
-		certsEndpoint = conf.GoogleCertsEndpoint
-	}
-
-	key, err := gcputil.OAuth2RSAPublicKey(keyId, certsEndpoint)
 	if err != nil {
 		return nil, err
 	}
@@ -288,9 +279,9 @@ func validateBaseJWTClaims(c *jwt.Claims, roleName string) error {
 // ---- IAM login domain ----
 // pathIamLogin attempts a login operation using the parsed login info.
 func (b *GcpAuthBackend) pathIamLogin(ctx context.Context, req *logical.Request, loginInfo *gcpLoginInfo) (*logical.Response, error) {
-	iamClient, err := b.IAM(ctx, req.Storage)
+	clients, err := b.newGcpClients(ctx, req.Storage)
 	if err != nil {
-		return logical.ErrorResponse(fmt.Sprintf(clientErrorTemplate, "IAM", err)), nil
+		return nil, err
 	}
 
 	role := loginInfo.Role
@@ -306,10 +297,10 @@ func (b *GcpAuthBackend) pathIamLogin(ctx context.Context, req *logical.Request,
 
 	// Get service account and make sure it still exists.
 	accountId := &gcputil.ServiceAccountId{
-		Project:   role.ProjectId,
+		Project:   "-",
-		EmailOrId: loginInfo.ServiceAccountId,
+		EmailOrId: loginInfo.EmailOrId,
 	}
-	serviceAccount, err := gcputil.ServiceAccount(iamClient, accountId)
+	serviceAccount, err := gcputil.ServiceAccount(clients.iam, accountId)
 	if err != nil {
 		return nil, err
 	}
@@ -348,6 +339,18 @@ func (b *GcpAuthBackend) pathIamLogin(ctx context.Context, req *logical.Request,
 			},
 		},
 	}
+	if role.AddGroupAliases {
+		clients, err := b.newGcpClients(ctx, req.Storage)
+		if err != nil {
+			return nil, err
+		}
+
+		aliases, err := b.groupAliases(clients.resourceManager, ctx, serviceAccount.ProjectId)
+		if err != nil {
+			return nil, err
+		}
+		resp.Auth.GroupAliases = aliases
+	}
 
 	return resp, nil
 }
@@ -355,9 +358,9 @@ func (b *GcpAuthBackend) pathIamLogin(ctx context.Context, req *logical.Request,
 // pathIamRenew returns an error if the service account referenced in the auth token metadata cannot renew the
 // auth token for the given role.
 func (b *GcpAuthBackend) pathIamRenew(ctx context.Context, req *logical.Request, roleName string, role *gcpRole) error {
-	iamClient, err := b.IAM(ctx, req.Storage)
+	clients, err := b.newGcpClients(ctx, req.Storage)
 	if err != nil {
-		return fmt.Errorf(clientErrorTemplate, "IAM", err)
+		return err
 	}
 
 	serviceAccountId, ok := req.Auth.Metadata["service_account_id"]
@@ -365,8 +368,14 @@ func (b *GcpAuthBackend) pathIamRenew(ctx context.Context, req *logical.Request,
 		return errors.New("service account id metadata not associated with auth token, invalid")
 	}
 
-	serviceAccount, err := gcputil.ServiceAccount(iamClient, &gcputil.ServiceAccountId{
+	// This project is the service account's project.
-		Project:   role.ProjectId,
+	project, ok := req.Auth.Metadata["project_id"]
+	if !ok {
+		project = "-"
+	}
+
+	serviceAccount, err := gcputil.ServiceAccount(clients.iam, &gcputil.ServiceAccountId{
+		Project:   project,
 		EmailOrId: serviceAccountId,
 	})
 	if err != nil {
@@ -387,9 +396,8 @@ func (b *GcpAuthBackend) pathIamRenew(ctx context.Context, req *logical.Request,
 
 // validateAgainstIAMRole returns an error if the given IAM service account is not authorized for the role.
 func (b *GcpAuthBackend) authorizeIAMServiceAccount(serviceAccount *iam.ServiceAccount, role *gcpRole) error {
-	// This is just in case - project should already be used to retrieve service account.
+	if len(role.BoundProjects) > 0 && !strutil.StrListContains(role.BoundProjects, serviceAccount.ProjectId) {
-	if role.ProjectId != serviceAccount.ProjectId {
+		return fmt.Errorf("service account %q not in bound projects %+v", serviceAccount.Email, role.BoundProjects)
-		return fmt.Errorf("service account %s does not belong to project %s", serviceAccount.Email, role.ProjectId)
 	}
 
 	// Check if role has the wildcard as the only service account.
@@ -416,42 +424,46 @@ func (b *GcpAuthBackend) pathGceLogin(ctx context.Context, req *logical.Request,
 		return logical.ErrorResponse("could not get GCE metadata from given JWT"), nil
 	}
 
-	if role.ProjectId != metadata.ProjectId {
+	if len(role.BoundProjects) > 0 && !strutil.StrListContains(role.BoundProjects, metadata.ProjectId) {
 		return logical.ErrorResponse(fmt.Sprintf(
-			"GCE instance must belong to project %s; metadata given has project %s",
+			"instance %q (project %q) not in bound projects %+v", metadata.InstanceId, metadata.ProjectId, role.BoundProjects)), nil
-			role.ProjectId, metadata.ProjectId)), nil
 	}
 
 	// Verify instance exists.
-	gceClient, err := b.GCE(ctx, req.Storage)
+	clients, err := b.newGcpClients(ctx, req.Storage)
 	if err != nil {
-		return logical.ErrorResponse(fmt.Sprintf(clientErrorTemplate, "GCE", err)), nil
+		return nil, err
 	}
 
-	instance, err := metadata.GetVerifiedInstance(gceClient)
+	instance, err := metadata.GetVerifiedInstance(clients.gce)
 	if err != nil {
 		return logical.ErrorResponse(fmt.Sprintf(
 			"error when attempting to find instance (project %s, zone: %s, instance: %s) :%v",
 			metadata.ProjectId, metadata.Zone, metadata.InstanceName, err)), nil
 	}
 
-	if err := b.authorizeGCEInstance(ctx, instance, req.Storage, role, loginInfo.ServiceAccountId); err != nil {
+	if err := b.authorizeGCEInstance(ctx, instance, req.Storage, role, loginInfo.EmailOrId); err != nil {
 		return logical.ErrorResponse(err.Error()), nil
 	}
 
-	iamClient, err := b.IAM(ctx, req.Storage)
+	if req.Operation == logical.AliasLookaheadOperation {
-	if err != nil {
+		return &logical.Response{
-		return logical.ErrorResponse(fmt.Sprintf(clientErrorTemplate, "IAM", err)), nil
+			Auth: &logical.Auth{
+				Alias: &logical.Alias{
+					Name: fmt.Sprintf("gce-%s", strconv.FormatUint(instance.Id, 10)),
+				},
+			},
+		}, nil
 	}
 
-	serviceAccount, err := gcputil.ServiceAccount(iamClient, &gcputil.ServiceAccountId{
+	serviceAccount, err := gcputil.ServiceAccount(clients.iam, &gcputil.ServiceAccountId{
-		Project:   loginInfo.Role.ProjectId,
+		Project:   "-",
-		EmailOrId: loginInfo.ServiceAccountId,
+		EmailOrId: loginInfo.EmailOrId,
 	})
 	if err != nil {
 		return logical.ErrorResponse(fmt.Sprintf(
 			"Could not find service account '%s' used for GCE metadata token: %s",
-			loginInfo.ServiceAccountId, err)), nil
+			loginInfo.EmailOrId, err)), nil
 	}
 
 	resp := &logical.Response{
@@ -472,14 +484,56 @@ func (b *GcpAuthBackend) pathGceLogin(ctx context.Context, req *logical.Request,
 		},
 	}
 
+	if role.AddGroupAliases {
+		aliases, err := b.groupAliases(clients.resourceManager, ctx, metadata.ProjectId)
+		if err != nil {
+			return nil, err
+		}
+		resp.Auth.GroupAliases = aliases
+	}
 	return resp, nil
 }
 
+// groupAliases will add group aliases for an authenticating GCP entity
+// starting at project-level and going up the Cloud Resource Manager
+// hierarchy
+//
+// For example, given a project hierarchy of
+// "my-org" --> "my-folder" --> "my-subfolder" --> "my-project",
+// this returns the following group aliases:
+// [
+//   "project-my-project"
+//   "folder-my-subfolder"
+//   "folder-my-project"
+//   "organization-my-org"
+// ]
+func (b *GcpAuthBackend) groupAliases(crmClient *cloudresourcemanager.Service, ctx context.Context, projectId string) ([]*logical.Alias, error) {
+	ancestry, err := crmClient.Projects.
+		GetAncestry(projectId, &cloudresourcemanager.GetAncestryRequest{}).
+		Context(ctx).
+		Do()
+	if err != nil {
+		return nil, err
+	}
+
+	aliases := make([]*logical.Alias, len(ancestry.Ancestor)+1)
+	aliases[0] = &logical.Alias{
+		Name: fmt.Sprintf("project-%s", projectId),
+	}
+	for i, parent := range ancestry.Ancestor {
+		aliases[i+1] = &logical.Alias{
+			Name: fmt.Sprintf("%s-%s", parent.ResourceId.Type, parent.ResourceId.Id),
+		}
+	}
+	return aliases, nil
+}
+
 func authMetadata(loginInfo *gcpLoginInfo, serviceAccount *iam.ServiceAccount) map[string]string {
 	metadata := map[string]string{
 		"role":                  loginInfo.RoleName,
 		"service_account_id":    serviceAccount.UniqueId,
 		"service_account_email": serviceAccount.Email,
+		"project_id":            serviceAccount.ProjectId,
 	}
 
 	if loginInfo.GceMetadata != nil {
@@ -497,7 +551,12 @@ func authMetadata(loginInfo *gcpLoginInfo, serviceAccount *iam.ServiceAccount) m
 // pathGceRenew returns an error if the instance referenced in the auth token metadata cannot renew the
 // auth token for the given role.
 func (b *GcpAuthBackend) pathGceRenew(ctx context.Context, req *logical.Request, roleName string, role *gcpRole) error {
-	gceClient, err := b.GCE(ctx, req.Storage)
+	httpC, err := b.httpClient(ctx, req.Storage)
+	if err != nil {
+		return err
+	}
+
+	gceClient, err := compute.New(httpC)
 	if err != nil {
 		return fmt.Errorf(clientErrorTemplate, "GCE", err)
 	}
@@ -573,23 +632,26 @@ func getInstanceMetadataFromAuth(authMetadata map[string]string) (*gcputil.GCEId
 // authorizeGCEInstance returns an error if the given GCE instance is not
 // authorized for the role.
 func (b *GcpAuthBackend) authorizeGCEInstance(ctx context.Context, instance *compute.Instance, s logical.Storage, role *gcpRole, serviceAccountId string) error {
-	computeSvc, err := b.GCE(ctx, s)
+	httpC, err := b.httpClient(ctx, s)
 	if err != nil {
 		return err
 	}
 
-	iamSvc, err := b.IAM(ctx, s)
+	iamClient, err := iam.New(httpC)
 	if err != nil {
-		return err
+		return fmt.Errorf(clientErrorTemplate, "IAM", err)
+	}
+
+	gceClient, err := compute.New(httpC)
+	if err != nil {
+		return fmt.Errorf(clientErrorTemplate, "GCE", err)
 	}
 
 	return AuthorizeGCE(ctx, &AuthorizeGCEInput{
 		client: &gcpClient{
-			computeSvc: computeSvc,
+			computeSvc: gceClient,
-			iamSvc:     iamSvc,
+			iamSvc:     iamClient,
 		},
-
-		project:        role.ProjectId,
 		serviceAccount: serviceAccountId,
 
 		instanceLabels:   instance.Labels,

vendor/github.com/hashicorp/vault-plugin-auth-gcp/plugin/path_role.go

@@ -23,7 +23,6 @@ const (
 	// Errors
 	errEmptyRoleName           = "role name is required"
 	errEmptyRoleType           = "role type cannot be empty"
-	errEmptyProjectId          = "project id cannot be empty"
 	errEmptyIamServiceAccounts = "IAM role type must have at least one service account"
 
 	errTemplateEditListWrongType   = "role is type '%s', cannot edit attribute '%s' (expected role type: '%s')"
@@ -73,9 +72,9 @@ var baseRoleFieldSchema = map[string]*framework.FieldSchema{
 	duration specified by this value. At each renewal, the token's TTL will be set to the value of this parameter.`,
 	},
 	// -- GCP Information
-	"project_id": {
+	"bound_projects": {
-		Type:        framework.TypeString,
+		Type:        framework.TypeCommaStringSlice,
-		Description: `The id of the project that authorized instances must belong to for this role.`,
+		Description: `GCP Projects that authenticating entities must belong to.`,
 	},
 	"bound_service_accounts": {
 		Type: framework.TypeCommaStringSlice,
@@ -84,9 +83,13 @@ var baseRoleFieldSchema = map[string]*framework.FieldSchema{
 	If the single value "*" is given, this is assumed to be all service accounts under the role's project. If this
 	is set on a GCE role, the inferred service account from the instance metadata token will be used.`,
 	},
-	"service_accounts": {
+	"add_group_aliases": {
-		Type:        framework.TypeCommaStringSlice,
+		Type:    framework.TypeBool,
-		Description: `Deprecated, use bound_service_accounts instead.`,
+		Default: false,
+		Description: "If true, will add group aliases to auth tokens generated under this role. " +
+			"This will add the full list of ancestors (projects, folders, organizations) " +
+			"for the given entity's project. Requires IAM permission `resourcemanager.projects.get` " +
+			"on this project.",
 	},
 }
 
@@ -132,20 +135,6 @@ var gceOnlyFieldSchema = map[string]*framework.FieldSchema{
 			"\"key:value\" strings that must be present on the GCE instance " +
 			"in order to authenticate. This option only applies to \"gce\" roles.",
 	},
-
-	// Deprecated roles
-	"bound_zone": {
-		Type:        framework.TypeString,
-		Description: "Deprecated: use \"bound_zones\" instead.",
-	},
-	"bound_region": {
-		Type:        framework.TypeString,
-		Description: "Deprecated: use \"bound_regions\" instead.",
-	},
-	"bound_instance_group": {
-		Type:        framework.TypeString,
-		Description: "Deprecated: use \"bound_instance_groups\" instead.",
-	},
 }
 
 // pathsRole creates paths for listing roles and CRUD operations.
@@ -160,6 +149,9 @@ func pathsRole(b *GcpAuthBackend) []*framework.Path {
 	for k, v := range gceOnlyFieldSchema {
 		roleFieldSchema[k] = v
 	}
+	for k, v := range deprecatedFieldSchema {
+		roleFieldSchema[k] = v
+	}
 
 	paths := []*framework.Path{
 		{
@@ -291,9 +283,6 @@ func (b *GcpAuthBackend) pathRoleRead(ctx context.Context, req *logical.Request,
 	if role.RoleType != "" {
 		resp["type"] = role.RoleType
 	}
-	if role.ProjectId != "" {
-		resp["project_id"] = role.ProjectId
-	}
 	if len(role.Policies) > 0 {
 		resp["policies"] = role.Policies
 	}
@@ -309,6 +298,10 @@ func (b *GcpAuthBackend) pathRoleRead(ctx context.Context, req *logical.Request,
 	if len(role.BoundServiceAccounts) > 0 {
 		resp["bound_service_accounts"] = role.BoundServiceAccounts
 	}
+	if len(role.BoundProjects) > 0 {
+		resp["bound_projects"] = role.BoundProjects
+	}
+	resp["add_group_aliases"] = role.AddGroupAliases
 
 	switch role.RoleType {
 	case iamRoleType:
@@ -509,6 +502,12 @@ func (b *GcpAuthBackend) role(ctx context.Context, s logical.Storage, name strin
 	modified := false
 
 	// Move old bindings to new fields.
+	if role.ProjectId != "" && len(role.BoundProjects) == 0 {
+		role.BoundProjects = []string{role.ProjectId}
+		role.ProjectId = ""
+		modified = true
+	}
+
 	if role.BoundRegion != "" && len(role.BoundRegions) == 0 {
 		role.BoundRegions = []string{role.BoundRegion}
 		role.BoundRegion = ""
@@ -576,9 +575,6 @@ type gcpRole struct {
 	// Type of this role. See path_role constants for currently supported types.
 	RoleType string `json:"role_type,omitempty"`
 
-	// Project ID in GCP for authorized entities.
-	ProjectId string `json:"project_id,omitempty"`
-
 	// Policies for Vault to assign to authorized entities.
 	Policies []string `json:"policies,omitempty"`
 
@@ -593,6 +589,9 @@ type gcpRole struct {
 	// with TTL equal to this value.
 	Period time.Duration `json:"period,omitempty"`
 
+	// Projects that entities must belong to
+	BoundProjects []string `json:"bound_projects,omitempty"`
+
 	// Service accounts allowed to login under this role.
 	BoundServiceAccounts []string `json:"bound_service_accounts,omitempty"`
 
@@ -618,8 +617,11 @@ type gcpRole struct {
 	// BoundLabels that instances must currently have set in order to login under this role.
 	BoundLabels map[string]string `json:"bound_labels,omitempty"`
 
+	AddGroupAliases bool `json:"add_group_aliases,omitempty"`
+
 	// Deprecated fields
 	// TODO: Remove in 0.5.0+
+	ProjectId          string `json:"project_id,omitempty"`
 	BoundRegion        string `json:"bound_region,omitempty"`
 	BoundZone          string `json:"bound_zone,omitempty"`
 	BoundInstanceGroup string `json:"bound_instance_group,omitempty"`
@@ -650,13 +652,6 @@ func (role *gcpRole) updateRole(sys logical.SystemView, op logical.Operation, da
 		role.Policies = policyutil.ParsePolicies(nil)
 	}
 
-	// Update GCP project id.
-	if projectId, ok := data.GetOk("project_id"); ok {
-		role.ProjectId = projectId.(string)
-	} else if op == logical.CreateOperation {
-		role.ProjectId = data.Get("project_id").(string)
-	}
-
 	// Update token TTL.
 	if ttl, ok := data.GetOk("ttl"); ok {
 		role.TTL = time.Duration(ttl.(int)) * time.Second
@@ -711,12 +706,37 @@ func (role *gcpRole) updateRole(sys logical.SystemView, op logical.Operation, da
 			role.BoundServiceAccounts = sa.([]string)
 		}
 	}
-
 	if len(role.BoundServiceAccounts) > 0 {
 		role.BoundServiceAccounts = strutil.TrimStrings(role.BoundServiceAccounts)
 		role.BoundServiceAccounts = strutil.RemoveDuplicates(role.BoundServiceAccounts, false)
 	}
 
+	// Update bound GCP projects.
+	boundProjects, givenBoundProj := data.GetOk("bound_projects")
+	if givenBoundProj {
+		role.BoundProjects = boundProjects.([]string)
+	}
+	if projectId, ok := data.GetOk("project_id"); ok {
+		if givenBoundProj {
+			return warnings, errors.New("only one of 'bound_projects' or 'project_id' can be given")
+		}
+		warnings = append(warnings,
+			`The "project_id" (singular) field is deprecated. `+
+				`Please use plural "bound_projects" instead to bind required GCP projects. `+
+				`The "project_id" field will be removed in a later release, so please update accordingly.`)
+		role.BoundProjects = []string{projectId.(string)}
+	}
+	if len(role.BoundProjects) > 0 {
+		role.BoundProjects = strutil.TrimStrings(role.BoundProjects)
+		role.BoundProjects = strutil.RemoveDuplicates(role.BoundProjects, false)
+	}
+
+	// Update bound GCP projects.
+	addGroupAliases, ok := data.GetOk("add_group_aliases")
+	if ok {
+		role.AddGroupAliases = addGroupAliases.(bool)
+	}
+
 	// Update fields specific to this type
 	switch role.RoleType {
 	case iamRoleType:
@@ -756,10 +776,6 @@ func (role *gcpRole) validate(sys logical.SystemView) (warnings []string, err er
 		return warnings, fmt.Errorf("role type '%s' is invalid", role.RoleType)
 	}
 
-	if role.ProjectId == "" {
-		return warnings, errors.New(errEmptyProjectId)
-	}
-
 	defaultLeaseTTL := sys.DefaultLeaseTTL()
 	if role.TTL > defaultLeaseTTL {
 		warnings = append(warnings, fmt.Sprintf(
@@ -960,3 +976,27 @@ func checkInvalidRoleTypeArgs(data *framework.FieldData, invalidSchema map[strin
 	}
 	return nil
 }
+
+// deprecatedFieldSchema contains the deprecated role attributes
+var deprecatedFieldSchema = map[string]*framework.FieldSchema{
+	"service_accounts": {
+		Type:        framework.TypeCommaStringSlice,
+		Description: "Deprecated: use \"bound_service_accounts\" instead.",
+	},
+	"project_id": {
+		Type:        framework.TypeString,
+		Description: "Deprecated: use \"bound_projects\" instead",
+	},
+	"bound_zone": {
+		Type:        framework.TypeString,
+		Description: "Deprecated: use \"bound_zones\" instead.",
+	},
+	"bound_region": {
+		Type:        framework.TypeString,
+		Description: "Deprecated: use \"bound_regions\" instead.",
+	},
+	"bound_instance_group": {
+		Type:        framework.TypeString,
+		Description: "Deprecated: use \"bound_instance_groups\" instead.",
+	},
+}

vendor/vendor.json

@@ -1425,10 +1425,10 @@
 			"revisionTime": "2018-08-16T20:11:31Z"
 		},
 		{
-			"checksumSHA1": "pJC3V+AR+Khd/TpvekLf1ZRU7rA=",
+			"checksumSHA1": "h7m+nCb1vdvcy5cUkCarix08yJI=",
 			"path": "github.com/hashicorp/vault-plugin-auth-gcp/plugin",
-			"revision": "86f7837fd8102347f7a10e3f0ad275e5a256863c",
+			"revision": "0a3edf071747fcb84aa4f9d08a34d2c249e6228d",
-			"revisionTime": "2018-10-25T21:28:40Z"
+			"revisionTime": "2018-11-15T01:46:55Z"
 		},
 		{
 			"checksumSHA1": "tt3FtyjXgdBI9Mb43UL4LtOZmAk=",
@@ -2808,6 +2808,12 @@
 			"revision": "cc9bd73d51b4c5610e35bcb01f15368185cfaab3",
 			"revisionTime": "2018-10-16T15:55:58Z"
 		},
+		{
+			"checksumSHA1": "9Gt9K/Z3m6q4vOJPIm1ynTvgecg=",
+			"path": "google.golang.org/api/cloudresourcemanager/v1",
+			"revision": "83a9d304b1e613fc253e1e2710778642fe81af53",
+			"revisionTime": "2018-11-14T18:14:26Z"
+		},
 		{
 			"checksumSHA1": "QkzppExyctFz029dvXzKzh6UHgU=",
 			"path": "google.golang.org/api/compute/v1",