Add calico/routereflector support

Add BGP route reflectors support in order to optimize BGP topology
for deployments with Calico network plugin.

Also bump version of calico/ctl for some bug fixes.

roles/kubernetes/preinstall/tasks/set_facts.yml

@@ -49,6 +49,8 @@
     etcd_after_v3: etcd_version | version_compare("v3.0.0", ">=")
 - set_fact:
     etcd_container_bin_dir: "{% if etcd_after_v3 %}/usr/local/bin/{% else %}/{% endif %}"
+- set_fact:
+    peer_with_calico_rr: "{{ 'calico-rr' in groups and groups['calico-rr']|length > 0 }}"
 
 - include: set_resolv_facts.yml
   tags: [bootstrap-os, resolvconf, facts]

roles/kubernetes/secrets/tasks/gen_certs.yml

@@ -51,8 +51,10 @@
 - name: Gen_certs | Copy certs on nodes
   shell: "echo '{{node_cert_data.stdout|quote}}' | base64 -d | tar xz -C {{ kube_cert_dir }}"
   changed_when: false
-  when: inventory_hostname in groups['kube-node'] and  sync_certs|default(false) and
-        inventory_hostname != groups['kube-master'][0]
+  when: (inventory_hostname in groups['kube-node'] or
+           (peer_with_calico_rr and inventory_hostname in groups['calico-rr'])) and
+         sync_certs|default(false) and
+         inventory_hostname != groups['kube-master'][0]
 
 - name: Gen_certs | check certificate permissions
   file: