Add etcd key and cert environment variables for use with client auth

roles/network_plugin/canal/tasks/main.yml

@@ -34,6 +34,9 @@
   delegate_to: "{{groups['etcd'][0]}}"
   changed_when: false
   run_once: true
+  environment:
+    ETCDCTL_CERT_FILE: "{{ etcd_cert_dir }}/node-{{ inventory_hostname }}.pem"
+    ETCDCTL_KEY_FILE: "{{ etcd_cert_dir }}/node-{{ inventory_hostname }}-key.pem"
 
 - name: Canal | Create canal node manifests
   template:

roles/network_plugin/canal/templates/cni-canal.conflist.j2

@@ -7,6 +7,9 @@
       "delegate": {
         "type": "calico",
         "etcd_endpoints": "{{ etcd_access_addresses }}",
+        "etcd_key_file": "{{ canal_cert_dir }}/key.pem",
+        "etcd_cert_file": "{{ canal_cert_dir }}/cert.crt",
+        "etcd_ca_cert_file": "{{ canal_cert_dir }}/ca_cert.crt",
         "log_level": "info",
         "policy": {
           "type": "k8s"