examples: Increase the inotify max_user_watches

* Kubelet is reported to crash if cadvisor can't watch

examples/ignition/bootkube-controller.yaml

@@ -98,6 +98,11 @@ storage:
       contents:
         inline:
           {{.domain_name}}
+    - path: /etc/sysctl.d/max-user-watches.conf
+      filesystem: root
+      contents:
+        inline: |
+          fs.inotify.max_user_watches=16184
     - path: /home/core/bootkube-start
       filesystem: root
       mode: 0544

examples/ignition/bootkube-worker.yaml

@@ -88,7 +88,11 @@ storage:
       contents:
         inline:
           {{.domain_name}}
-
+    - path: /etc/sysctl.d/max-user-watches.conf
+      filesystem: root
+      contents:
+        inline: |
+          fs.inotify.max_user_watches=16184
 
 {{ if index . "ssh_authorized_keys" }}
 passwd:

examples/ignition/k8s-controller.yaml

@@ -126,6 +126,11 @@ storage:
         inline: |
           DOCKER_OPT_BIP=""
           DOCKER_OPT_IPMASQ=""
+    - path: /etc/sysctl.d/max-user-watches.conf
+      filesystem: root
+      contents:
+        inline: |
+          fs.inotify.max_user_watches=16184
     - path: /etc/kubernetes/manifests/kube-proxy.yaml
       filesystem: root
       contents:

examples/ignition/k8s-worker.yaml

@@ -112,6 +112,11 @@ storage:
         inline: |
           DOCKER_OPT_BIP=""
           DOCKER_OPT_IPMASQ=""
+    - path: /etc/sysctl.d/max-user-watches.conf
+      filesystem: root
+      contents:
+        inline: |
+          fs.inotify.max_user_watches=16184
     - path: /etc/kubernetes/worker-kubeconfig.yaml
       filesystem: root
       contents:

examples/ignition/rktnetes-controller.yaml

@@ -161,6 +161,11 @@ storage:
         inline: |
           DOCKER_OPT_BIP=""
           DOCKER_OPT_IPMASQ=""
+    - path: /etc/sysctl.d/max-user-watches.conf
+      filesystem: root
+      contents:
+        inline: |
+          fs.inotify.max_user_watches=16184
     - path: /etc/kubernetes/manifests/kube-proxy.yaml
       filesystem: root
       contents:

examples/ignition/rktnetes-worker.yaml

@@ -146,6 +146,11 @@ storage:
         inline: |
           DOCKER_OPT_BIP=""
           DOCKER_OPT_IPMASQ=""
+    - path: /etc/sysctl.d/max-user-watches.conf
+      filesystem: root
+      contents:
+        inline: |
+          fs.inotify.max_user_watches=16184
     - path: /etc/kubernetes/worker-kubeconfig.yaml
       filesystem: root
       contents: