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converter_test.go
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converter_test.go
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/*
* Copyright 2023 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package rbac
import (
"strings"
"testing"
v3corepb "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
v3rbacpb "github.com/envoyproxy/go-control-plane/envoy/config/rbac/v3"
v3auditloggersstreampb "github.com/envoyproxy/go-control-plane/envoy/extensions/rbac/audit_loggers/stream/v3"
"google.golang.org/grpc/authz/audit"
"google.golang.org/grpc/authz/audit/stdout"
"google.golang.org/protobuf/types/known/anypb"
)
func (s) TestBuildLoggerErrors(t *testing.T) {
tests := []struct {
name string
loggerConfig *v3rbacpb.RBAC_AuditLoggingOptions_AuditLoggerConfig
expectedLogger audit.Logger
expectedError string
}{
{
name: "nil typed config",
loggerConfig: &v3rbacpb.RBAC_AuditLoggingOptions_AuditLoggerConfig{
AuditLogger: &v3corepb.TypedExtensionConfig{
TypedConfig: nil,
},
},
expectedError: "missing required field: TypedConfig",
},
{
name: "Unsupported Type",
loggerConfig: &v3rbacpb.RBAC_AuditLoggingOptions_AuditLoggerConfig{
AuditLogger: &v3corepb.TypedExtensionConfig{
Name: "TestAuditLoggerBuffer",
TypedConfig: &anypb.Any{},
},
},
expectedError: "custom config not implemented for type ",
},
{
name: "Empty name",
loggerConfig: &v3rbacpb.RBAC_AuditLoggingOptions_AuditLoggerConfig{
AuditLogger: &v3corepb.TypedExtensionConfig{
Name: "TestAuditLoggerBuffer",
TypedConfig: createUDPATypedStruct(t, map[string]interface{}{}, ""),
},
},
expectedError: "field TypedConfig.TypeURL cannot be an empty string",
},
{
name: "No registered logger",
loggerConfig: &v3rbacpb.RBAC_AuditLoggingOptions_AuditLoggerConfig{
AuditLogger: &v3corepb.TypedExtensionConfig{
Name: "UnregisteredLogger",
TypedConfig: createUDPATypedStruct(t, map[string]interface{}{}, "UnregisteredLogger"),
},
IsOptional: false,
},
expectedError: "no builder registered for UnregisteredLogger",
},
{
name: "fail to parse custom config",
loggerConfig: &v3rbacpb.RBAC_AuditLoggingOptions_AuditLoggerConfig{
AuditLogger: &v3corepb.TypedExtensionConfig{
Name: "TestAuditLoggerCustomConfig",
TypedConfig: createUDPATypedStruct(t, map[string]interface{}{"abc": "BADVALUE", "xyz": "123"}, "fail to parse custom config_TestAuditLoggerCustomConfig")},
IsOptional: false,
},
expectedError: "custom config could not be parsed",
},
{
name: "no registered logger but optional passes",
loggerConfig: &v3rbacpb.RBAC_AuditLoggingOptions_AuditLoggerConfig{
AuditLogger: &v3corepb.TypedExtensionConfig{
Name: "UnregisteredLogger",
TypedConfig: createUDPATypedStruct(t, map[string]interface{}{}, "no registered logger but optional passes_UnregisteredLogger"),
},
IsOptional: true,
},
expectedLogger: nil,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
b := TestAuditLoggerCustomConfigBuilder{testName: test.name}
audit.RegisterLoggerBuilder(&b)
logger, err := buildLogger(test.loggerConfig)
if err != nil && !strings.HasPrefix(err.Error(), test.expectedError) {
t.Fatalf("expected error: %v. got error: %v", test.expectedError, err)
} else {
if logger != test.expectedLogger {
t.Fatalf("expected logger: %v. got logger: %v", test.expectedLogger, logger)
}
}
})
}
}
func (s) TestBuildLoggerKnownTypes(t *testing.T) {
tests := []struct {
name string
loggerConfig *v3rbacpb.RBAC_AuditLoggingOptions_AuditLoggerConfig
}{
{
name: "stdout logger",
loggerConfig: &v3rbacpb.RBAC_AuditLoggingOptions_AuditLoggerConfig{
AuditLogger: &v3corepb.TypedExtensionConfig{
Name: stdout.Name,
TypedConfig: createStdoutPb(t),
},
IsOptional: false,
},
},
{
name: "stdout logger with generic TypedConfig",
loggerConfig: &v3rbacpb.RBAC_AuditLoggingOptions_AuditLoggerConfig{
AuditLogger: &v3corepb.TypedExtensionConfig{
Name: stdout.Name,
TypedConfig: createXDSTypedStruct(t, map[string]interface{}{}, stdout.Name),
},
IsOptional: false,
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
logger, err := buildLogger(test.loggerConfig)
if err != nil {
t.Fatalf("expected success. got error: %v", err)
} else {
switch test.name {
case "stdout logger":
_, ok := logger.(*stdout.Logger)
if !ok {
t.Fatalf("expected logger to be type stdout.Logger but was not")
}
}
}
})
}
}
// Builds stdout config for audit logger proto.
func createStdoutPb(t *testing.T) *anypb.Any {
t.Helper()
pb := &v3auditloggersstreampb.StdoutAuditLog{}
customConfig, err := anypb.New(pb)
if err != nil {
t.Fatalf("createStdoutPb failed during anypb.New: %v", err)
}
return customConfig
}