add kube_apiserver_etcd_compaction_interval (#10644)

roles/kubernetes/control-plane/defaults/main/main.yml

@@ -15,6 +15,9 @@ kube_apiserver_node_port_range: "30000-32767"
 # ETCD backend for k8s data
 kube_apiserver_storage_backend: etcd3
 
+# The interval of compaction requests. If 0, the compaction request from apiserver is disabled.
+kube_apiserver_etcd_compaction_interval: "5m0s"
+
 # CIS 1.2.26
 # Validate that the service account token
 # in the request is actually present in etcd.

roles/kubernetes/control-plane/templates/kubeadm-config.v1beta3.yaml.j2

@@ -114,6 +114,9 @@ certificatesDir: {{ kube_cert_dir }}
 imageRepository: {{ kube_image_repo }}
 apiServer:
   extraArgs:
+{% if kube_apiserver_etcd_compaction_interval is defined %}
+    etcd-compaction-interval: "{{ kube_apiserver_etcd_compaction_interval }}"
+{% endif %}
 {% if kube_apiserver_pod_eviction_not_ready_timeout_seconds is defined %}
     default-not-ready-toleration-seconds: "{{ kube_apiserver_pod_eviction_not_ready_timeout_seconds }}"
 {% endif %}