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') }}"

roles/download/vars/kube_versions.yml

@@ -1,22 +1,12 @@
 kube_checksum:
     v1.2.2:
-        kube_apiserver: eb1bfd8b877052cbd1991b8c429a1d06661f4cb019905e20e128174f724e16de
         kubectl: 473e6924569fba30d4a50cecdc2cae5f31d97d1f662463e85b74a472105dcff4
-        kubelet: f16827dc7e7c82f0e215f0fc73eb01e2dfe91a2ec83f9cbcaf8d37c91b64fd3b
     v1.2.3:
-        kube_apiserver_checksum: ebaeeeb72cb29b358337b330617a96355ff2d08a5a523fc1a81beba36cc9d6f9
         kubectl_checksum: 394853edd409a721bcafe4f1360009ef9f845050719fe7d6fc7176f45cc92a8c
-        kubelet_checksum: 633bb41c51c5c0df0645dd60ba82b12eba39d009eb87bae9227de7d9a89c0797
     v1.2.4:
-        kube_apiserver: 6ac99b36b02968459e026fcfc234207c66064b5e11816b69dd8fc234b2ffec1e
         kubectl: dac61fbd506f7a17540feca691cd8a9d9d628d59661eebce788a50511f578897
-        kubelet: 4adaf40592248eef6fd4fa126464915ea41e624a70dc77178089760ed235e341
     v1.2.5:
-        kube_apiserver: fbe8296ad4b194c06f6802a126d35cd2887dc1aded308d4da2b580f270412b33
         kubectl: 5526a496a84701015485e32c86486e2f23599f7a865164f546e619c6a62f7f19
-        kubelet: cd15b929f0190876216f397c2c6e7aa8c08d3b047fd90b4980cd68c8f4896211
     v1.3.0:
-        kube_apiserver: 431cd312984a29f45590138e990d5c4d537b069b71f2587a72414fabc4fcffdd
         kubectl: f40b2d0ff33984e663a0dea4916f1cb9041abecc09b11f9372cdb8049ded95dc
-        kubelet: bd5f10ccb95fe6e95ddf7ad8a119195c27cb2bce4be6f80c1810ff1a2111496d
 kube_version: v1.3.0