adds dynamic audit e2e test

cluster/gce/config-test.sh

@@ -380,6 +380,8 @@ else
   ADMISSION_CONTROL=${KUBE_ADMISSION_CONTROL}
 fi
 
+ENABLE_APISERVER_DYNAMIC_AUDIT="${ENABLE_APISERVER_DYNAMIC_AUDIT:-false}"
+
 # Optional: if set to true kube-up will automatically check for existing resources and clean them up.
 KUBE_UP_AUTOMATIC_CLEANUP=${KUBE_UP_AUTOMATIC_CLEANUP:-false}
 

cluster/gce/gci/configure-helper.sh

@@ -1630,7 +1630,6 @@ function start-kube-apiserver {
     create-master-audit-policy "${audit_policy_file}" "${ADVANCED_AUDIT_POLICY:-}"
     audit_policy_config_mount="{\"name\": \"auditpolicyconfigmount\",\"mountPath\": \"${audit_policy_file}\", \"readOnly\": true},"
     audit_policy_config_volume="{\"name\": \"auditpolicyconfigmount\",\"hostPath\": {\"path\": \"${audit_policy_file}\", \"type\": \"FileOrCreate\"}},"
-
     if [[ "${ADVANCED_AUDIT_BACKEND:-log}" == *"log"* ]]; then
       # The advanced audit log backend config matches the basic audit log config.
       params+=" --audit-log-path=/var/log/kube-apiserver-audit.log"
@@ -1709,6 +1708,11 @@ function start-kube-apiserver {
     fi
   fi
 
+  if [[ "${ENABLE_APISERVER_DYNAMIC_AUDIT:-}" == "true" ]]; then
+    params+=" --audit-dynamic-configuration"
+    RUNTIME_CONFIG="${RUNTIME_CONFIG},auditconfiguration.k8s.io/v1alpha1=true"
+  fi
+
   if [[ "${ENABLE_APISERVER_LOGS_HANDLER:-}" == "false" ]]; then
     params+=" --enable-logs-handler=false"
   fi

cluster/gce/util.sh

@@ -1110,6 +1110,7 @@ MULTIZONE: $(yaml-quote ${MULTIZONE:-})
 NON_MASQUERADE_CIDR: $(yaml-quote ${NON_MASQUERADE_CIDR:-})
 ENABLE_DEFAULT_STORAGE_CLASS: $(yaml-quote ${ENABLE_DEFAULT_STORAGE_CLASS:-})
 ENABLE_APISERVER_ADVANCED_AUDIT: $(yaml-quote ${ENABLE_APISERVER_ADVANCED_AUDIT:-})
+ENABLE_APISERVER_DYNAMIC_AUDIT: $(yaml-quote ${ENABLE_APISERVER_DYNAMIC_AUDIT:-})
 ENABLE_CACHE_MUTATION_DETECTOR: $(yaml-quote ${ENABLE_CACHE_MUTATION_DETECTOR:-false})
 ENABLE_PATCH_CONVERSION_DETECTOR: $(yaml-quote ${ENABLE_PATCH_CONVERSION_DETECTOR:-false})
 ADVANCED_AUDIT_POLICY: $(yaml-quote ${ADVANCED_AUDIT_POLICY:-})

test/e2e/auth/BUILD

@@ -9,6 +9,7 @@ go_library(
     name = "go_default_library",
     srcs = [
         "audit.go",
+        "audit_dynamic.go",
         "certificates.go",
         "framework.go",
         "metadata_concealment.go",
@@ -26,6 +27,7 @@ go_library(
         "//pkg/security/podsecuritypolicy/util:go_default_library",
         "//plugin/pkg/admission/serviceaccount:go_default_library",
         "//staging/src/k8s.io/api/apps/v1:go_default_library",
+        "//staging/src/k8s.io/api/auditregistration/v1alpha1:go_default_library",
         "//staging/src/k8s.io/api/authentication/v1:go_default_library",
         "//staging/src/k8s.io/api/batch/v1:go_default_library",
         "//staging/src/k8s.io/api/certificates/v1beta1:go_default_library",
@@ -39,6 +41,7 @@ go_library(
         "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/uuid:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",

test/e2e/common/util.go

@@ -48,6 +48,7 @@ var CurrentSuite Suite
 // only used by node e2e test.
 // TODO(random-liu): Change the image puller pod to use similar mechanism.
 var CommonImageWhiteList = sets.NewString(
+	imageutils.GetE2EImage(imageutils.AuditProxy),
 	imageutils.GetE2EImage(imageutils.BusyBox),
 	imageutils.GetE2EImage(imageutils.EntrypointTester),
 	imageutils.GetE2EImage(imageutils.IpcUtils),

test/utils/image/manifest.go

@@ -105,6 +105,8 @@ const (
 	APIServer
 	// AppArmorLoader image
 	AppArmorLoader
+	// AuditProxy image
+	AuditProxy
 	// BusyBox image
 	BusyBox
 	// CheckMetadataConcealment image
@@ -196,6 +198,7 @@ func initImageConfigs() map[int]Config {
 	configs[AdmissionWebhook] = Config{e2eRegistry, "webhook", "1.14v1"}
 	configs[APIServer] = Config{e2eRegistry, "sample-apiserver", "1.10"}
 	configs[AppArmorLoader] = Config{e2eRegistry, "apparmor-loader", "1.0"}
+	configs[AuditProxy] = Config{e2eRegistry, "audit-proxy", "1.0"}
 	configs[BusyBox] = Config{dockerLibraryRegistry, "busybox", "1.29"}
 	configs[CheckMetadataConcealment] = Config{e2eRegistry, "metadata-concealment", "1.2"}
 	configs[CudaVectorAdd] = Config{e2eRegistry, "cuda-vector-add", "1.0"}