AuthMethod updates to support alternate namespace logins (#7029)

agent/acl_endpoint.go

@@ -358,6 +358,9 @@ func (s *HTTPServer) ACLTokenList(resp http.ResponseWriter, req *http.Request) (
 	args.Policy = req.URL.Query().Get("policy")
 	args.Role = req.URL.Query().Get("role")
 	args.AuthMethod = req.URL.Query().Get("authmethod")
+	if err := parseACLAuthMethodEnterpriseMeta(req, &args.ACLAuthMethodEnterpriseMeta); err != nil {
+		return nil, err
+	}
 
 	var out structs.ACLTokenListResponse
 	defer setMeta(resp, &out.QueryMeta)

agent/agent_endpoint.go

@@ -1405,7 +1405,6 @@ func (s *HTTPServer) AgentHost(resp http.ResponseWriter, req *http.Request) (int
 		return nil, err
 	}
 
-	// TODO (namespaces) - pass through a real ent authz ctx
 	if rule != nil && rule.OperatorRead(nil) != acl.Allow {
 		return nil, acl.ErrPermissionDenied
 	}

agent/consul/acl_authmethod.go

@@ -43,10 +43,11 @@ func (s *Server) loadAuthMethodValidator(idx uint64, method *structs.ACLAuthMeth
 func (s *Server) evaluateRoleBindings(
 	validator authmethod.Validator,
 	verifiedFields map[string]string,
-	entMeta *structs.EnterpriseMeta,
+	methodMeta *structs.EnterpriseMeta,
+	targetMeta *structs.EnterpriseMeta,
 ) ([]*structs.ACLServiceIdentity, []structs.ACLTokenRoleLink, error) {
 	// Only fetch rules that are relevant for this method.
-	_, rules, err := s.fsm.State().ACLBindingRuleList(nil, validator.Name(), entMeta)
+	_, rules, err := s.fsm.State().ACLBindingRuleList(nil, validator.Name(), methodMeta)
 	if err != nil {
 		return nil, nil, err
 	} else if len(rules) == 0 {
@@ -87,7 +88,7 @@ func (s *Server) evaluateRoleBindings(
 			})
 
 		case structs.BindingRuleBindTypeRole:
-			_, role, err := s.fsm.State().ACLRoleGetByName(nil, bindName, &rule.EnterpriseMeta)
+			_, role, err := s.fsm.State().ACLRoleGetByName(nil, bindName, targetMeta)
 			if err != nil {
 				return nil, nil, err
 			}

agent/consul/acl_endpoint.go

@@ -828,9 +828,15 @@ func (a *ACL) TokenList(args *structs.ACLTokenListRequest, reply *structs.ACLTok
 		return acl.ErrPermissionDenied
 	}
 
+	var methodMeta *structs.EnterpriseMeta
+	if args.AuthMethod != "" {
+		methodMeta = args.ACLAuthMethodEnterpriseMeta.ToEnterpriseMeta()
+		methodMeta.Merge(&args.EnterpriseMeta)
+	}
+
 	return a.srv.blockingQuery(&args.QueryOptions, &reply.QueryMeta,
 		func(ws memdb.WatchSet, state *state.Store) error {
-			index, tokens, err := state.ACLTokenList(ws, args.IncludeLocal, args.IncludeGlobal, args.Policy, args.Role, args.AuthMethod, &args.EnterpriseMeta)
+			index, tokens, err := state.ACLTokenList(ws, args.IncludeLocal, args.IncludeGlobal, args.Policy, args.Role, args.AuthMethod, methodMeta, &args.EnterpriseMeta)
 			if err != nil {
 				return err
 			}
@@ -2221,13 +2227,16 @@ func (a *ACL) Login(args *structs.ACLLoginRequest, reply *structs.ACLToken) erro
 	}
 
 	// 2. Send args.Data.BearerToken to method validator and get back a fields map
-	verifiedFields, err := validator.ValidateLogin(auth.BearerToken)
+	verifiedFields, desiredMeta, err := validator.ValidateLogin(auth.BearerToken)
 	if err != nil {
 		return err
 	}
 
+	// This always will return a valid pointer
+	targetMeta := method.TargetEnterpriseMeta(desiredMeta)
+
 	// 3. send map through role bindings
-	serviceIdentities, roleLinks, err := a.srv.evaluateRoleBindings(validator, verifiedFields, &auth.EnterpriseMeta)
+	serviceIdentities, roleLinks, err := a.srv.evaluateRoleBindings(validator, verifiedFields, &auth.EnterpriseMeta, targetMeta)
 	if err != nil {
 		return err
 	}
@@ -2256,11 +2265,13 @@ func (a *ACL) Login(args *structs.ACLLoginRequest, reply *structs.ACLToken) erro
 			AuthMethod:        auth.AuthMethod,
 			ServiceIdentities: serviceIdentities,
 			Roles:             roleLinks,
-			EnterpriseMeta:    auth.EnterpriseMeta,
+			EnterpriseMeta:    *targetMeta,
 		},
 		WriteRequest: args.WriteRequest,
 	}
 
+	createReq.ACLToken.ACLAuthMethodEnterpriseMeta.FillWithEnterpriseMeta(&auth.EnterpriseMeta)
+
 	// 5. return token information like a TokenCreate would
 	err = a.tokenSetInternal(&createReq, reply, true)
 

agent/consul/acl_endpoint_legacy.go

@@ -262,7 +262,7 @@ func (a *ACL) List(args *structs.DCSpecificRequest,
 	return a.srv.blockingQuery(&args.QueryOptions,
 		&reply.QueryMeta,
 		func(ws memdb.WatchSet, state *state.Store) error {
-			index, tokens, err := state.ACLTokenList(ws, false, true, "", "", "", nil)
+			index, tokens, err := state.ACLTokenList(ws, false, true, "", "", "", nil, nil)
 			if err != nil {
 				return err
 			}

agent/consul/acl_replication_legacy.go

@@ -138,7 +138,7 @@ func reconcileLegacyACLs(local, remote structs.ACLs, lastRemoteIndex uint64) str
 
 // FetchLocalACLs returns the ACLs in the local state store.
 func (s *Server) fetchLocalLegacyACLs() (structs.ACLs, error) {
-	_, local, err := s.fsm.State().ACLTokenList(nil, false, true, "", "", "", nil)
+	_, local, err := s.fsm.State().ACLTokenList(nil, false, true, "", "", "", nil, nil)
 	if err != nil {
 		return nil, err
 	}

agent/consul/acl_replication_legacy_test.go

@@ -396,11 +396,11 @@ func TestACLReplication_LegacyTokens(t *testing.T) {
 	}
 
 	checkSame := func() error {
-		index, remote, err := s1.fsm.State().ACLTokenList(nil, true, true, "", "", "", nil)
+		index, remote, err := s1.fsm.State().ACLTokenList(nil, true, true, "", "", "", nil, nil)
 		if err != nil {
 			return err
 		}
-		_, local, err := s2.fsm.State().ACLTokenList(nil, true, true, "", "", "", nil)
+		_, local, err := s2.fsm.State().ACLTokenList(nil, true, true, "", "", "", nil, nil)
 		if err != nil {
 			return err
 		}

agent/consul/acl_replication_test.go

@@ -351,9 +351,9 @@ func TestACLReplication_Tokens(t *testing.T) {
 
 	checkSame := func(t *retry.R) {
 		// only account for global tokens - local tokens shouldn't be replicated
-		index, remote, err := s1.fsm.State().ACLTokenList(nil, false, true, "", "", "", nil)
+		index, remote, err := s1.fsm.State().ACLTokenList(nil, false, true, "", "", "", nil, nil)
 		require.NoError(t, err)
-		_, local, err := s2.fsm.State().ACLTokenList(nil, false, true, "", "", "", nil)
+		_, local, err := s2.fsm.State().ACLTokenList(nil, false, true, "", "", "", nil, nil)
 		require.NoError(t, err)
 
 		require.Len(t, local, len(remote))
@@ -451,7 +451,7 @@ func TestACLReplication_Tokens(t *testing.T) {
 	})
 
 	// verify dc2 local tokens didn't get blown away
-	_, local, err := s2.fsm.State().ACLTokenList(nil, true, false, "", "", "", nil)
+	_, local, err := s2.fsm.State().ACLTokenList(nil, true, false, "", "", "", nil, nil)
 	require.NoError(t, err)
 	require.Len(t, local, 50)
 
@@ -787,10 +787,10 @@ func TestACLReplication_AllTypes(t *testing.T) {
 
 	checkSameTokens := func(t *retry.R) {
 		// only account for global tokens - local tokens shouldn't be replicated
-		index, remote, err := s1.fsm.State().ACLTokenList(nil, false, true, "", "", "", nil)
+		index, remote, err := s1.fsm.State().ACLTokenList(nil, false, true, "", "", "", nil, nil)
 		require.NoError(t, err)
 		// Query for all of them, so that we can prove that no globals snuck in.
-		_, local, err := s2.fsm.State().ACLTokenList(nil, true, true, "", "", "", nil)
+		_, local, err := s2.fsm.State().ACLTokenList(nil, true, true, "", "", "", nil, nil)
 		require.NoError(t, err)
 
 		require.Len(t, remote, len(local))

agent/consul/acl_replication_types.go

@@ -34,7 +34,7 @@ func (r *aclTokenReplicator) FetchRemote(srv *Server, lastRemoteIndex uint64) (i
 func (r *aclTokenReplicator) FetchLocal(srv *Server) (int, uint64, error) {
 	r.local = nil
 
-	idx, local, err := srv.fsm.State().ACLTokenList(nil, false, true, "", "", "", srv.replicationEnterpriseMeta())
+	idx, local, err := srv.fsm.State().ACLTokenList(nil, false, true, "", "", "", nil, srv.replicationEnterpriseMeta())
 	if err != nil {
 		return 0, 0, err
 	}

agent/consul/authmethod/authmethods.go

@@ -39,8 +39,9 @@ type Validator interface {
 	// continue to extend the life of the underlying token.
 	//
 	// Returns auth method specific metadata suitable for the Role Binding
-	// process.
+	// process as well as the desired enterprise meta for the token to be
-	ValidateLogin(loginToken string) (map[string]string, error)
+	// created.
+	ValidateLogin(loginToken string) (map[string]string, *structs.EnterpriseMeta, error)
 
 	// AvailableFields returns a slice of all fields that are returned as a
 	// result of ValidateLogin. These are valid fields for use in any

agent/consul/authmethod/kubeauth/k8s.go

@@ -50,6 +50,8 @@ type Config struct {
 	// other JWTs during login. It also must be able to read ServiceAccount
 	// annotations.
 	ServiceAccountJWT string `json:",omitempty"`
+
+	enterpriseConfig `mapstructure:",squash"`
 }
 
 // Validator is the wrapper around the relevant portions of the Kubernetes API
@@ -116,9 +118,9 @@ func NewValidator(method *structs.ACLAuthMethod) (*Validator, error) {
 
 func (v *Validator) Name() string { return v.name }
 
-func (v *Validator) ValidateLogin(loginToken string) (map[string]string, error) {
+func (v *Validator) ValidateLogin(loginToken string) (map[string]string, *structs.EnterpriseMeta, error) {
 	if _, err := jwt.ParseSigned(loginToken); err != nil {
-		return nil, fmt.Errorf("failed to parse and validate JWT: %v", err)
+		return nil, nil, fmt.Errorf("failed to parse and validate JWT: %v", err)
 	}
 
 	// Check TokenReview for the bulk of the work.
@@ -129,24 +131,24 @@ func (v *Validator) ValidateLogin(loginToken string) (map[string]string, error)
 	})
 
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	} else if trResp.Status.Error != "" {
-		return nil, fmt.Errorf("lookup failed: %s", trResp.Status.Error)
+		return nil, nil, fmt.Errorf("lookup failed: %s", trResp.Status.Error)
 	}
 
 	if !trResp.Status.Authenticated {
-		return nil, errors.New("lookup failed: service account jwt not valid")
+		return nil, nil, errors.New("lookup failed: service account jwt not valid")
 	}
 
 	// The username is of format: system:serviceaccount:(NAMESPACE):(SERVICEACCOUNT)
 	parts := strings.Split(trResp.Status.User.Username, ":")
 	if len(parts) != 4 {
-		return nil, errors.New("lookup failed: unexpected username format")
+		return nil, nil, errors.New("lookup failed: unexpected username format")
 	}
 
 	// Validate the user that comes back from token review is a service account
 	if parts[0] != "system" || parts[1] != "serviceaccount" {
-		return nil, errors.New("lookup failed: username returned is not a service account")
+		return nil, nil, errors.New("lookup failed: username returned is not a service account")
 	}
 
 	var (
@@ -158,7 +160,7 @@ func (v *Validator) ValidateLogin(loginToken string) (map[string]string, error)
 	// Check to see  if there is an override name on the ServiceAccount object.
 	sa, err := v.saGetter.ServiceAccounts(saNamespace).Get(saName, client_metav1.GetOptions{})
 	if err != nil {
-		return nil, fmt.Errorf("annotation lookup failed: %v", err)
+		return nil, nil, fmt.Errorf("annotation lookup failed: %v", err)
 	}
 
 	annotations := sa.GetObjectMeta().GetAnnotations()
@@ -166,11 +168,13 @@ func (v *Validator) ValidateLogin(loginToken string) (map[string]string, error)
 		saName = serviceNameOverride
 	}
 
-	return map[string]string{
+	fields := map[string]string{
 		serviceAccountNamespaceField: saNamespace,
 		serviceAccountNameField:      saName,
 		serviceAccountUIDField:       saUID,
-	}, nil
+	}
+
+	return fields, v.k8sEntMetaFromFields(fields), nil
 }
 
 func (p *Validator) AvailableFields() []string {

agent/consul/authmethod/kubeauth/k8s_oss.go

@@ -0,0 +1,11 @@
+// +build !consulent
+
+package kubeauth
+
+import "github.com/hashicorp/consul/agent/structs"
+
+type enterpriseConfig struct{}
+
+func (v *Validator) k8sEntMetaFromFields(fields map[string]string) *structs.EnterpriseMeta {
+	return structs.DefaultEnterpriseMeta()
+}

agent/consul/authmethod/kubeauth/k8s_test.go

@@ -35,12 +35,12 @@ func TestValidateLogin(t *testing.T) {
 	require.NoError(t, err)
 
 	t.Run("invalid bearer token", func(t *testing.T) {
-		_, err := validator.ValidateLogin("invalid")
+		_, _, err := validator.ValidateLogin("invalid")
 		require.Error(t, err)
 	})
 
 	t.Run("valid bearer token", func(t *testing.T) {
-		fields, err := validator.ValidateLogin(goodJWT_B)
+		fields, _, err := validator.ValidateLogin(goodJWT_B)
 		require.NoError(t, err)
 		require.Equal(t, map[string]string{
 			"serviceaccount.namespace": "default",
@@ -59,7 +59,7 @@ func TestValidateLogin(t *testing.T) {
 	)
 
 	t.Run("valid bearer token with annotation", func(t *testing.T) {
-		fields, err := validator.ValidateLogin(goodJWT_B)
+		fields, _, err := validator.ValidateLogin(goodJWT_B)
 		require.NoError(t, err)
 		require.Equal(t, map[string]string{
 			"serviceaccount.namespace": "default",

agent/consul/authmethod/testauth/testing.go

@@ -80,6 +80,8 @@ func GetSessionToken(sessionID string, token string) (map[string]string, bool) {
 
 type Config struct {
 	SessionID string // unique identifier for this set of tokens in the database
+
+	enterpriseConfig `mapstructure:",squash"`
 }
 
 func newValidator(method *structs.ACLAuthMethod) (authmethod.Validator, error) {
@@ -120,13 +122,13 @@ func (v *Validator) Name() string { return v.name }
 // to extend the life of the underlying token.
 //
 // Returns auth method specific metadata suitable for the Role Binding process.
-func (v *Validator) ValidateLogin(loginToken string) (map[string]string, error) {
+func (v *Validator) ValidateLogin(loginToken string) (map[string]string, *structs.EnterpriseMeta, error) {
 	fields, valid := GetSessionToken(v.config.SessionID, loginToken)
 	if !valid {
-		return nil, acl.ErrNotFound
+		return nil, nil, acl.ErrNotFound
 	}
 
-	return fields, nil
+	return fields, v.testAuthEntMetaFromFields(fields), nil
 }
 
 func (v *Validator) AvailableFields() []string { return availableFields }

agent/consul/authmethod/testauth/testing_oss.go

@@ -0,0 +1,13 @@
+// +build !consulent
+
+package testauth
+
+import (
+	"github.com/hashicorp/consul/agent/structs"
+)
+
+type enterpriseConfig struct{}
+
+func (v *Validator) testAuthEntMetaFromFields(fields map[string]string) *structs.EnterpriseMeta {
+	return nil
+}

agent/consul/state/acl.go

@@ -728,7 +728,7 @@ func (s *Store) aclTokenSetTxn(tx *memdb.Txn, idx uint64, token *structs.ACLToke
 	}
 
 	if token.AuthMethod != "" {
-		method, err := s.getAuthMethodWithTxn(tx, nil, token.AuthMethod, &token.EnterpriseMeta)
+		method, err := s.getAuthMethodWithTxn(tx, nil, token.AuthMethod, token.ACLAuthMethodEnterpriseMeta.ToEnterpriseMeta())
 		if err != nil {
 			return err
 		} else if method == nil {
@@ -838,7 +838,7 @@ func (s *Store) aclTokenGetTxn(tx *memdb.Txn, ws memdb.WatchSet, value, index st
 }
 
 // ACLTokenList is used to list out all of the ACLs in the state store.
-func (s *Store) ACLTokenList(ws memdb.WatchSet, local, global bool, policy, role, methodName string, entMeta *structs.EnterpriseMeta) (uint64, structs.ACLTokens, error) {
+func (s *Store) ACLTokenList(ws memdb.WatchSet, local, global bool, policy, role, methodName string, methodMeta, entMeta *structs.EnterpriseMeta) (uint64, structs.ACLTokens, error) {
 	tx := s.db.Txn(false)
 	defer tx.Abort()
 
@@ -868,7 +868,7 @@ func (s *Store) ACLTokenList(ws memdb.WatchSet, local, global bool, policy, role
 		needLocalityFilter = true
 
 	} else if policy == "" && role == "" && methodName != "" {
-		iter, err = s.aclTokenListByAuthMethod(tx, methodName, entMeta)
+		iter, err = s.aclTokenListByAuthMethod(tx, methodName, methodMeta, entMeta)
 		needLocalityFilter = true
 
 	} else {
@@ -1052,9 +1052,9 @@ func (s *Store) aclTokenDeleteTxn(tx *memdb.Txn, idx uint64, value, index string
 	return s.aclTokenDeleteWithToken(tx, token.(*structs.ACLToken), idx)
 }
 
-func (s *Store) aclTokenDeleteAllForAuthMethodTxn(tx *memdb.Txn, idx uint64, methodName string, entMeta *structs.EnterpriseMeta) error {
+func (s *Store) aclTokenDeleteAllForAuthMethodTxn(tx *memdb.Txn, idx uint64, methodName string, methodMeta *structs.EnterpriseMeta) error {
-	// collect them all
+	// collect all the tokens linked with the given auth method.
-	iter, err := s.aclTokenListByAuthMethod(tx, methodName, entMeta)
+	iter, err := s.aclTokenListByAuthMethod(tx, methodName, methodMeta, structs.WildcardEnterpriseMeta())
 	if err != nil {
 		return fmt.Errorf("failed acl token lookup: %v", err)
 	}

agent/consul/state/acl_oss.go

@@ -297,7 +297,7 @@ func (s *Store) aclTokenListByRole(tx *memdb.Txn, role string, _ *structs.Enterp
 	return tx.Get("acl-tokens", "roles", role)
 }
 
-func (s *Store) aclTokenListByAuthMethod(tx *memdb.Txn, authMethod string, _ *structs.EnterpriseMeta) (memdb.ResultIterator, error) {
+func (s *Store) aclTokenListByAuthMethod(tx *memdb.Txn, authMethod string, _, _ *structs.EnterpriseMeta) (memdb.ResultIterator, error) {
 	return tx.Get("acl-tokens", "authmethod", authMethod)
 }
 

agent/consul/state/acl_test.go

@@ -218,7 +218,7 @@ func TestStateStore_ACLBootstrap(t *testing.T) {
 	require.Equal(t, uint64(3), index)
 
 	// Make sure the ACLs are in an expected state.
-	_, tokens, err := s.ACLTokenList(nil, true, true, "", "", "", nil)
+	_, tokens, err := s.ACLTokenList(nil, true, true, "", "", "", nil, nil)
 	require.NoError(t, err)
 	require.Len(t, tokens, 1)
 	compareTokens(t, token1, tokens[0])
@@ -232,7 +232,7 @@ func TestStateStore_ACLBootstrap(t *testing.T) {
 	err = s.ACLBootstrap(32, index, token2.Clone(), false)
 	require.NoError(t, err)
 
-	_, tokens, err = s.ACLTokenList(nil, true, true, "", "", "", nil)
+	_, tokens, err = s.ACLTokenList(nil, true, true, "", "", "", nil, nil)
 	require.NoError(t, err)
 	require.Len(t, tokens, 2)
 }
@@ -1203,7 +1203,7 @@ func TestStateStore_ACLToken_List(t *testing.T) {
 		{testPolicyID_A, testRoleID_A, ""},
 	} {
 		t.Run(fmt.Sprintf("can't filter on more than one: %s/%s/%s", tc.policy, tc.role, tc.methodName), func(t *testing.T) {
-			_, _, err := s.ACLTokenList(nil, false, false, tc.policy, tc.role, tc.methodName, nil)
+			_, _, err := s.ACLTokenList(nil, false, false, tc.policy, tc.role, tc.methodName, nil, nil)
 			require.Error(t, err)
 		})
 	}
@@ -1212,7 +1212,7 @@ func TestStateStore_ACLToken_List(t *testing.T) {
 		tc := tc // capture range variable
 		t.Run(tc.name, func(t *testing.T) {
 			t.Parallel()
-			_, tokens, err := s.ACLTokenList(nil, tc.local, tc.global, tc.policy, tc.role, tc.methodName, nil)
+			_, tokens, err := s.ACLTokenList(nil, tc.local, tc.global, tc.policy, tc.role, tc.methodName, nil, nil)
 			require.NoError(t, err)
 			require.Len(t, tokens, len(tc.accessors))
 			tokens.Sort()
@@ -1273,7 +1273,7 @@ func TestStateStore_ACLToken_FixupPolicyLinks(t *testing.T) {
 	require.Equal(t, "node-read-renamed", retrieved.Policies[0].Name)
 
 	// list tokens without stale links
-	_, tokens, err := s.ACLTokenList(nil, true, true, "", "", "", nil)
+	_, tokens, err := s.ACLTokenList(nil, true, true, "", "", "", nil, nil)
 	require.NoError(t, err)
 
 	found := false
@@ -1317,7 +1317,7 @@ func TestStateStore_ACLToken_FixupPolicyLinks(t *testing.T) {
 	require.Len(t, retrieved.Policies, 0)
 
 	// list tokens without stale links
-	_, tokens, err = s.ACLTokenList(nil, true, true, "", "", "", nil)
+	_, tokens, err = s.ACLTokenList(nil, true, true, "", "", "", nil, nil)
 	require.NoError(t, err)
 
 	found = false
@@ -1402,7 +1402,7 @@ func TestStateStore_ACLToken_FixupRoleLinks(t *testing.T) {
 	require.Equal(t, "node-read-role-renamed", retrieved.Roles[0].Name)
 
 	// list tokens without stale links
-	_, tokens, err := s.ACLTokenList(nil, true, true, "", "", "", nil)
+	_, tokens, err := s.ACLTokenList(nil, true, true, "", "", "", nil, nil)
 	require.NoError(t, err)
 
 	found := false
@@ -1446,7 +1446,7 @@ func TestStateStore_ACLToken_FixupRoleLinks(t *testing.T) {
 	require.Len(t, retrieved.Roles, 0)
 
 	// list tokens without stale links
-	_, tokens, err = s.ACLTokenList(nil, true, true, "", "", "", nil)
+	_, tokens, err = s.ACLTokenList(nil, true, true, "", "", "", nil, nil)
 	require.NoError(t, err)
 
 	found = false
@@ -3610,7 +3610,7 @@ func TestStateStore_ACLTokens_Snapshot_Restore(t *testing.T) {
 		require.NoError(t, s.ACLRoleBatchSet(2, roles, false))
 
 		// Read the restored ACLs back out and verify that they match.
-		idx, res, err := s.ACLTokenList(nil, true, true, "", "", "", nil)
+		idx, res, err := s.ACLTokenList(nil, true, true, "", "", "", nil, nil)
 		require.NoError(t, err)
 		require.Equal(t, uint64(4), idx)
 		require.ElementsMatch(t, tokens, res)

agent/http_oss.go

@@ -44,3 +44,11 @@ func (s *HTTPServer) rewordUnknownEnterpriseFieldError(err error) error {
 }
 
 func (s *HTTPServer) addEnterpriseHTMLTemplateVars(vars map[string]interface{}) {}
+
+func parseACLAuthMethodEnterpriseMeta(req *http.Request, _ *structs.ACLAuthMethodEnterpriseMeta) error {
+	if methodNS := req.URL.Query().Get("authmethod-ns"); methodNS != "" {
+		return BadRequestError{Reason: "Invalid query paramter: \"authmethod-ns\" - Namespaces is a Consul Enterprise feature"}
+	}
+
+	return nil
+}

agent/structs/acl.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/hashicorp/consul/acl"
 	"github.com/hashicorp/consul/lib"
+	"github.com/hashicorp/go-msgpack/codec"
 	"golang.org/x/crypto/blake2b"
 )
 
@@ -227,6 +228,9 @@ type ACLToken struct {
 	// AuthMethod is the name of the auth method used to create this token.
 	AuthMethod string `json:",omitempty"`
 
+	// ACLAuthMethodEnterpriseMeta is the EnterpriseMeta for the AuthMethod that this token was created from
+	ACLAuthMethodEnterpriseMeta
+
 	// ExpirationTime represents the point after which a token should be
 	// considered revoked and is eligible for destruction. The zero value
 	// represents NO expiration.
@@ -1044,6 +1048,49 @@ type ACLAuthMethod struct {
 	RaftIndex `hash:"ignore"`
 }
 
+// MarshalBinary writes ACLAuthMethod as msgpack encoded. It's only here
+// because we need custom decoding of the raw interface{} values and this
+// completes the interface.
+func (m *ACLAuthMethod) MarshalBinary() (data []byte, err error) {
+	// bs will grow if needed but allocate enough to avoid reallocation in common
+	// case.
+	bs := make([]byte, 256)
+	enc := codec.NewEncoderBytes(&bs, msgpackHandle)
+
+	type Alias ACLAuthMethod
+
+	if err := enc.Encode((*Alias)(m)); err != nil {
+		return nil, err
+	}
+
+	return bs, nil
+}
+
+// UnmarshalBinary decodes msgpack encoded ACLAuthMethod. It used
+// default msgpack encoding but fixes up the uint8 strings and other problems we
+// have with encoding map[string]interface{}.
+func (m *ACLAuthMethod) UnmarshalBinary(data []byte) error {
+	dec := codec.NewDecoderBytes(data, msgpackHandle)
+
+	type Alias ACLAuthMethod
+	var a Alias
+
+	if err := dec.Decode(&a); err != nil {
+		return err
+	}
+
+	*m = ACLAuthMethod(a)
+
+	var err error
+
+	// Fix strings and maps in the returned maps
+	m.Config, err = lib.MapWalk(m.Config)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 type ACLReplicationType string
 
 const (
@@ -1128,6 +1175,7 @@ type ACLTokenListRequest struct {
 	Role          string // Role filter
 	AuthMethod    string // Auth Method filter
 	Datacenter    string // The datacenter to perform the request within
+	ACLAuthMethodEnterpriseMeta
 	EnterpriseMeta
 	QueryOptions
 }

agent/structs/acl_oss.go

@@ -28,6 +28,16 @@ node_prefix "" {
 }`
 )
 
+type ACLAuthMethodEnterpriseMeta struct{}
+
+func (_ *ACLAuthMethodEnterpriseMeta) FillWithEnterpriseMeta(_ *EnterpriseMeta) {
+	// do nothing
+}
+
+func (_ *ACLAuthMethodEnterpriseMeta) ToEnterpriseMeta() *EnterpriseMeta {
+	return DefaultEnterpriseMeta()
+}
+
 func aclServiceIdentityRules(svc string, _ *EnterpriseMeta) string {
 	return fmt.Sprintf(aclPolicyTemplateServiceIdentity, svc)
 }
@@ -35,3 +45,7 @@ func aclServiceIdentityRules(svc string, _ *EnterpriseMeta) string {
 func (p *ACLPolicy) EnterprisePolicyMeta() *acl.EnterprisePolicyMeta {
 	return nil
 }
+
+func (m *ACLAuthMethod) TargetEnterpriseMeta(_ *EnterpriseMeta) *EnterpriseMeta {
+	return &m.EnterpriseMeta
+}

website/source/api/acl/tokens.html.md

@@ -553,6 +553,12 @@ The table below shows this endpoint's support for
 - `authmethod` `(string: "")` - Filters the token list to those tokens that are
   linked with the specific named auth method.
   
+- `authmethod-ns` `(string: "")` - **(Enterprise Only)** Specifics the namespace
+  of the `authmethod` being used for token lookup. If not provided, the namespace
+  provided by the `ns` parameter will be used. If neither of those is provided
+  then the namespace will be inherited from the request's ACL token. Added in 
+  Consul 1.7.0.
+  
 - `ns` `(string: "")` - **(Enterprise Only)** Specifies the namespace to list
   the tokens for. This value can be specified as the `ns` URL query 
   parameter or the `X-Consul-Namespace` header. If not provided by either,

website/source/docs/acl/auth-methods/kubernetes.html.md

@@ -35,6 +35,23 @@ parameters are required to properly configure an auth method of type
   ([JWT](https://jwt.io/ "JSON Web Token")) used by the Consul leader to
   validate application JWTs during login.
   
+- `MapNamespaces` `(bool: <false>)` - **(Enterprise Only)** Indicates whether 
+  the auth method should attempt to map the Kubernetes namespace to a Consul 
+  namespace instead of creating tokens in the auth methods own namespace. Note
+  that mapping namespaces requires the auth method to reside within the
+  `default` namespace.
+  
+- `ConsulNamespacePrefix` `(string: <optional>)` - **(Enterprise Only)** When
+  `MapNamespaces` is enabled, this value will be prefixed to the Kubernetes
+  namespace to determine the Consul namespace to create the new token within.
+
+- `ConsulNamespaceOverrides` `(map: <string:string>)` - **(Enterprise Only)**
+  This field is a mapping of Kubernetes namespace names to Consul namespace
+  names. If a Kubernetes namespace is present within this map, the value will
+  be used without adding the `ConsulNamespacePrefix`. If the value in the map
+  is `""` then the auth methods namespace will be used instead of attempting
+  to determine an alternate namespace.
+
 ### Sample Config
 
 ```json