Merge pull request kubernetes#48605 from CaoShuFeng/json_log

Automatic merge from submit-queue (batch tested with PRs 48583, 48605, 48601)

support json output for log backend of advanced audit

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```
Add json format support for advanced audit in apiserver. Use --audit-log-format=json to emit json to log backend.
```

Author: Kubernetes Submit Queue

staging/src/k8s.io/apiserver/pkg/endpoints/filters/BUILD

@@ -23,18 +23,22 @@ go_test(
     deps = [
         "//vendor/k8s.io/api/authentication/v1:go_default_library",
         "//vendor/k8s.io/api/batch/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/util/sets:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/util/wait:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/apis/audit:go_default_library",
+        "//vendor/k8s.io/apiserver/pkg/apis/audit/v1alpha1:go_default_library",
+        "//vendor/k8s.io/apiserver/pkg/audit:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/audit/policy:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/authentication/authenticator:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/authentication/user:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/authorization/authorizer:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/endpoints/handlers/responsewriters:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/endpoints/request:go_default_library",
         "//vendor/k8s.io/apiserver/plugin/pkg/audit/log:go_default_library",
+        "//vendor/k8s.io/apiserver/plugin/pkg/audit/webhook:go_default_library",
     ],
 )