Refactor `indexAuthMethod` in `tableACLBindingRules` (#11029)

* Port consul-enterprise #1123 to OSS

Signed-off-by: Mark Anderson <manderson@hashicorp.com>

* Fixup missing query field

Signed-off-by: Mark Anderson <manderson@hashicorp.com>

* change to re-trigger ci system

Signed-off-by: Mark Anderson <manderson@hashicorp.com>

agent/consul/state/acl.go

@@ -48,7 +48,7 @@ func (s *Restore) ACLRole(role *structs.ACLRole) error {
 
 // ACLBindingRules is used when saving a snapshot
 func (s *Snapshot) ACLBindingRules() (memdb.ResultIterator, error) {
-	iter, err := s.tx.Get("acl-binding-rules", "id")
+	iter, err := s.tx.Get(tableACLBindingRules, "id")
 	if err != nil {
 		return nil, err
 	}

agent/consul/state/acl_oss.go

@@ -167,12 +167,12 @@ func (s *Store) ACLRoleUpsertValidateEnterprise(role *structs.ACLRole, existing
 
 func aclBindingRuleInsert(tx WriteTxn, rule *structs.ACLBindingRule) error {
 	// insert the role into memdb
-	if err := tx.Insert("acl-binding-rules", rule); err != nil {
+	if err := tx.Insert(tableACLBindingRules, rule); err != nil {
 		return fmt.Errorf("failed inserting acl role: %v", err)
 	}
 
 	// update the overall acl-binding-rules index
-	if err := indexUpdateMaxTxn(tx, rule.ModifyIndex, "acl-binding-rules"); err != nil {
+	if err := indexUpdateMaxTxn(tx, rule.ModifyIndex, tableACLBindingRules); err != nil {
 		return fmt.Errorf("failed updating acl binding-rules index: %v", err)
 	}
 
@@ -180,32 +180,32 @@ func aclBindingRuleInsert(tx WriteTxn, rule *structs.ACLBindingRule) error {
 }
 
 func aclBindingRuleGetByID(tx ReadTxn, id string, _ *structs.EnterpriseMeta) (<-chan struct{}, interface{}, error) {
-	return tx.FirstWatch("acl-binding-rules", "id", id)
+	return tx.FirstWatch(tableACLBindingRules, "id", id)
 }
 
 func aclBindingRuleList(tx ReadTxn, _ *structs.EnterpriseMeta) (memdb.ResultIterator, error) {
-	return tx.Get("acl-binding-rules", "id")
+	return tx.Get(tableACLBindingRules, "id")
 }
 
 func aclBindingRuleListByAuthMethod(tx ReadTxn, method string, _ *structs.EnterpriseMeta) (memdb.ResultIterator, error) {
-	return tx.Get("acl-binding-rules", "authmethod", method)
+	return tx.Get(tableACLBindingRules, indexAuthMethod, Query{Value: method})
 }
 
 func aclBindingRuleDeleteWithRule(tx WriteTxn, rule *structs.ACLBindingRule, idx uint64) error {
-	// remove the rule
-	if err := tx.Delete("acl-binding-rules", rule); err != nil {
+	// remove the acl-binding-rule
+	if err := tx.Delete(tableACLBindingRules, rule); err != nil {
 		return fmt.Errorf("failed deleting acl binding rule: %v", err)
 	}
 
 	// update the overall acl-binding-rules index
-	if err := indexUpdateMaxTxn(tx, idx, "acl-binding-rules"); err != nil {
+	if err := indexUpdateMaxTxn(tx, idx, tableACLBindingRules); err != nil {
 		return fmt.Errorf("failed updating acl binding rules index: %v", err)
 	}
 	return nil
 }
 
 func aclBindingRuleMaxIndex(tx ReadTxn, _ *structs.ACLBindingRule, entMeta *structs.EnterpriseMeta) uint64 {
-	return maxIndexTxn(tx, "acl-binding-rules")
+	return maxIndexTxn(tx, tableACLBindingRules)
 }
 
 func aclBindingRuleUpsertValidateEnterprise(tx ReadTxn, rule *structs.ACLBindingRule, existing *structs.ACLBindingRule) error {

agent/consul/state/acl_oss_test.go

@@ -141,3 +141,22 @@ func testIndexerTableACLRoles() map[string]indexerTestCase {
 		},
 	}
 }
+
+func testIndexerTableACLBindingRules() map[string]indexerTestCase {
+	obj := &structs.ACLBindingRule{
+		ID:         "123e4567-e89a-12d7-a456-426614174abc",
+		AuthMethod: "BinDingRuLe",
+	}
+	return map[string]indexerTestCase{
+		indexAuthMethod: {
+			read: indexValue{
+				source:   Query{Value: "BinDingRuLe"},
+				expected: []byte("bindingrule\x00"),
+			},
+			write: indexValue{
+				source:   obj,
+				expected: []byte("bindingrule\x00"),
+			},
+		},
+	}
+}

agent/consul/state/acl_schema.go

@@ -276,15 +276,30 @@ func bindingRulesTableSchema() *memdb.TableSchema {
 				Name:         indexAuthMethod,
 				AllowMissing: false,
 				Unique:       false,
-				Indexer: &memdb.StringFieldIndex{
-					Field:     "AuthMethod",
-					Lowercase: true,
+				Indexer: indexerSingle{
+					readIndex:  indexFromQuery,
+					writeIndex: indexAuthMethodFromACLBindingRule,
 				},
 			},
 		},
 	}
 }
 
+func indexAuthMethodFromACLBindingRule(raw interface{}) ([]byte, error) {
+	p, ok := raw.(*structs.ACLBindingRule)
+	if !ok {
+		return nil, fmt.Errorf("unexpected type %T for structs.ACLBindingRule index", raw)
+	}
+
+	if p.AuthMethod == "" {
+		return nil, errMissingValueForIndex
+	}
+
+	var b indexBuilder
+	b.String(strings.ToLower(p.AuthMethod))
+	return b.Bytes(), nil
+}
+
 func authMethodsTableSchema() *memdb.TableSchema {
 	return &memdb.TableSchema{
 		Name: tableACLAuthMethods,

agent/consul/state/acl_test.go

@@ -4213,7 +4213,7 @@ func TestStateStore_ACLBindingRules_Snapshot_Restore(t *testing.T) {
 		require.NoError(t, err)
 		require.Equal(t, uint64(2), idx)
 		require.ElementsMatch(t, rules, res)
-		require.Equal(t, uint64(2), s.maxIndex("acl-binding-rules"))
+		require.Equal(t, uint64(2), s.maxIndex(tableACLBindingRules))
 	}()
 }
 

agent/consul/state/schema_test.go

@@ -38,9 +38,10 @@ func TestNewDBSchema_Indexers(t *testing.T) {
 
 	var testcases = map[string]func() map[string]indexerTestCase{
 		// acl
-		tableACLPolicies: testIndexerTableACLPolicies,
-		tableACLRoles:    testIndexerTableACLRoles,
-		tableACLTokens:   testIndexerTableACLTokens,
+		tableACLBindingRules: testIndexerTableACLBindingRules,
+		tableACLPolicies:     testIndexerTableACLPolicies,
+		tableACLRoles:        testIndexerTableACLRoles,
+		tableACLTokens:       testIndexerTableACLTokens,
 		// catalog
 		tableChecks:          testIndexerTableChecks,
 		tableServices:        testIndexerTableServices,