turn adduser/download roles into meta roles

This should make things a little more composable,
by making these roles meta roles that perform no
actions by default we allow each role to own its own
resources.

roles/download/defaults/main.yml

@@ -33,7 +33,7 @@ kubelet_checksum: "4adaf40592248eef6fd4fa126464915ea41e624a70dc77178089760ed235e
 kube_apiserver_checksum: "6ac99b36b02968459e026fcfc234207c66064b5e11816b69dd8fc234b2ffec1e"
 
 downloads:
-  - name: calico
+  calico:
     dest: calico/bin/calicoctl
     version: "{{calico_version}}"
     sha256: "{{ calico_checksum }}"
@@ -41,8 +41,7 @@ downloads:
     url: "{{ calico_download_url }}"
     owner: "root"
     mode: "0755"
-
-  - name: calico-cni-plugin
+  calico_cni_plugin:
     dest: calico/bin/calico
     version: "{{calico_cni_version}}"
     sha256: "{{ calico_cni_checksum }}"
@@ -50,8 +49,7 @@ downloads:
     url: "{{ calico_cni_download_url }}"
     owner: "root"
     mode: "0755"
-
-  - name: calico-cni-plugin-ipam
+  calico_cni_plugin_ipam:
     dest: calico/bin/calico-ipam
     version: "{{calico_cni_version}}"
     sha256: "{{ calico_cni_ipam_checksum }}"
@@ -59,8 +57,7 @@ downloads:
     url: "{{ calico_cni_ipam_download_url }}"
     owner: "root"
     mode: "0755"
-
-  - name: weave
+  weave:
     dest: weave/bin/weave
     version: "{{weave_version}}"
     source_url: "{{weave_download_url}}"
@@ -68,8 +65,7 @@ downloads:
     sha256: "{{ weave_checksum }}"
     owner: "root"
     mode: "0755"
-
-  - name: etcd
+  etcd:
     version: "{{etcd_version}}"
     dest: "etcd/etcd-{{ etcd_version }}-linux-amd64.tar.gz"
     sha256: "{{ etcd_checksum }}"
@@ -78,8 +74,7 @@ downloads:
     unarchive: true
     owner: "etcd"
     mode: "0755"
-
-  - name: kubernetes-kubelet
+  kubernetes_kubelet:
     version: "{{kube_version}}"
     dest: kubernetes/bin/kubelet
     sha256: "{{kubelet_checksum}}"
@@ -87,8 +82,7 @@ downloads:
     url: "{{ kubelet_download_url }}"
     owner: "kube"
     mode: "0755"
-
-  - name: kubernetes-kubectl
+  kubernetes_kubectl:
     dest: kubernetes/bin/kubectl
     version: "{{kube_version}}"
     sha256: "{{kubectl_checksum}}"
@@ -96,8 +90,7 @@ downloads:
     url: "{{ kubectl_download_url }}"
     owner: "kube"
     mode: "0755"
-
-  - name: kubernetes-apiserver
+  kubernetes_apiserver:
     dest: kubernetes/bin/kube-apiserver
     version: "{{kube_version}}"
     sha256: "{{kube_apiserver_checksum}}"
@@ -105,3 +98,14 @@ downloads:
     url: "{{ apiserver_download_url }}"
     owner: "kube"
     mode: "0755"
+
+download:
+  enabled: "{{ file.enabled|default('true') }}"
+  dest: "{{ file.dest|default(None) }}"
+  version: "{{ file.version|default(None) }}"
+  sha256: "{{ file.sha256|default(None) }}"
+  source_url: "{{ file.source_url|default(None) }}"
+  url: "{{ file.url|default(None) }}"
+  unarchive: "{{ file.unarchive|default('false') }}"
+  owner: "{{ file.owner|default('kube') }}"
+  mode: "{{ file.mode|default(None) }}"