fix: #1281 kebelet failed when systemReserved was enabled

roles/kube-node/templates/kubelet-config.yaml.j2

@@ -26,6 +26,7 @@ clusterDomain: {{ CLUSTER_DNS_DOMAIN }}
 configMapAndSecretChangeDetectionStrategy: Watch
 containerLogMaxFiles: 3 
 containerLogMaxSize: 10Mi
+containerRuntimeEndpoint: "unix:///run/containerd/containerd.sock"
 enforceNodeAllocatable:
 - pods
 {% if KUBE_RESERVED_ENABLED == "yes" %}
@@ -56,7 +57,7 @@ kubeReservedCgroup: /podruntime.slice
 kubeReserved:
   cpu: 200m
   memory: 400Mi
-  pid: 1000
+  pid: "1000"
 {% endif %}
 kubeAPIBurst: 100
 kubeAPIQPS: 50
@@ -82,7 +83,7 @@ systemReservedCgroup: /system.slice
 systemReserved:
   cpu: 200m
   memory: 500Mi
-  pid: 5000
+  pid: "5000"
 {% endif %}
 tlsCertFile: {{ ca_dir }}/kubelet.pem
 tlsPrivateKeyFile: {{ ca_dir }}/kubelet-key.pem

roles/kube-node/templates/kubelet.service.j2

@@ -25,7 +25,6 @@ ExecStartPre=/bin/mkdir -p /sys/fs/cgroup/hugetlb/system.slice
 {% endif %}
 ExecStart={{ bin_dir }}/kubelet \
   --config=/var/lib/kubelet/config.yaml \
-  --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
   --hostname-override={{ K8S_NODENAME }} \
   --kubeconfig=/etc/kubernetes/kubelet.kubeconfig \
   --root-dir={{ KUBELET_ROOT_DIR }} \

tools/kubectl-node_shell

@@ -10,6 +10,7 @@ node=""
 nodefaultctx=0
 nodefaultns=0
 cmd='[ "nsenter", "--target", "1", "--mount", "--uts", "--ipc", "--net", "--pid", "--"'
+# If this has a terminal for STDIN
 if [ -t 0 ]; then
   tty=true
 else