Deploy kubelet and kube-apiserver as containers

kubelet via docker
kube-apiserver as a static pod

Fixed etcd service start to be more tolerant of slow start.

Workaround for kube_version to stay in download role, but not
download an files by creating a new "nothing" download entry.

roles/download/defaults/main.yml

@@ -15,8 +15,6 @@ calico_cni_version: v1.3.1
 weave_version: v1.5.0
 
 # Download URL's
-kubelet_download_url: "https://storage.googleapis.com/kargo/{{kube_version}}_kubernetes-kubelet"
-apiserver_download_url: "https://storage.googleapis.com/kargo/{{kube_version}}_kubernetes-apiserver"
 kubectl_download_url: "https://storage.googleapis.com/kargo/{{kube_version}}_kubernetes-kubectl"
 
 etcd_download_url: "https://storage.googleapis.com/kargo/{{etcd_version}}_etcd"
@@ -64,14 +62,6 @@ downloads:
     unarchive: true
     owner: "etcd"
     mode: "0755"
-  kubernetes_kubelet:
-    version: "{{kube_version}}"
-    dest: kubernetes/bin/kubelet
-    sha256: "{{vars['kube_checksum'][kube_version]['kubelet']}}"
-    source_url: "{{ kubelet_download_url }}"
-    url: "{{ kubelet_download_url }}"
-    owner: "kube"
-    mode: "0755"
   kubernetes_kubectl:
     dest: kubernetes/bin/kubectl
     version: "{{kube_version}}"
@@ -80,14 +70,8 @@ downloads:
     url: "{{ kubectl_download_url }}"
     owner: "kube"
     mode: "0755"
-  kubernetes_apiserver:
-    dest: kubernetes/bin/kube-apiserver
-    version: "{{kube_version}}"
-    sha256: "{{vars['kube_checksum'][kube_version]['kube_apiserver']}}"
-    source_url: "{{ apiserver_download_url }}"
-    url: "{{ apiserver_download_url }}"
-    owner: "kube"
-    mode: "0755"
+  nothing:
+    enabled: false
 
 download:
   enabled: "{{ file.enabled|default('true') }}"