Add ConfigMap for basic configuration options

Container settings moved from deamonset yaml to a separate
configmap.

roles/network_plugin/canal/tasks/main.yml

@@ -5,7 +5,12 @@
     dest: /etc/flannel-network.json
     backup: yes
 
-- name: Canal | Write canal configuration
+- name: Canal | Write canal configmap
+  template:
+    src: canal-config.yml.j2
+    dest: /etc/kubernetes/canal-config.yaml
+
+- name: Canal | Write canal node configuration
   template:
     src: canal-node.yml.j2
     dest: /etc/kubernetes/canal-node.yaml