Calico is not a network overlay

roles/network_plugin/tasks/calico.yml

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+---
+- name: Calico | Install calicoctl bin
+  copy: 
+     src={{ local_release_dir }}/calico/bin/calicoctl
+     dest={{ bin_dir }}
+     mode=u+x
+  notify: restart calico-node
+
+- name: Calico | Create calicoctl symlink (needed by kubelet)
+  file: src=/usr/local/bin/calicoctl dest=/usr/bin/calicoctl state=link
+
+- name: Calico | Write calico-node systemd init file
+  template: src=calico/calico-node.service.j2 dest=/etc/systemd/system/calico-node.service
+  notify: 
+    - reload systemd
+    - restart calico-node
+
+- name: Calico | Write network-environment
+  template: src=calico/network-environment.j2 dest=/etc/network-environment mode=u+x
+  notify: 
+    - reload systemd
+    - restart calico-node
+
+- name: Calico | Enable calico-node
+  service: name=calico-node enabled=yes state=started
+
+- name: Calico | Configure calico-node remove default pool
+  shell: calicoctl pool remove 192.168.0.0/16
+  environment: 
+     ETCD_AUTHORITY: "{{ groups['kube-master'][0] }}:4001"
+  run_once: true
+
+- name: Calico | Configure calico-node desired pool
+  shell: calicoctl pool add {{ kube_pods_subnet }}
+  environment: 
+     ETCD_AUTHORITY: "{{ groups['kube-master'][0] }}:4001"
+  run_once: true
+
+- name: Calico | Disable node mesh
+  shell: calicoctl bgp node-mesh off
+  when: peer_with_router and inventory_hostname in groups['kube-node']
+
+- name: Calico | Configure peering with router(s)
+  shell: calicoctl node bgp peer add {{ item.router_id }} as {{ item.as }}
+  with_items: peers
+  when: peer_with_router and inventory_hostname in groups['kube-node']

roles/network_plugin/tasks/flannel.yml

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+---
+- name: Create flannel user
+  user: name=flannel shell=/bin/nologin
+
+- name: Install flannel binaries
+  copy: 
+     src={{ local_release_dir }}/flannel/bin/flanneld
+     dest={{ bin_dir }}
+     owner=flannel
+     mode=u+x
+  notify:
+    - restart flannel
+
+- name: Write flannel.service systemd file
+  template:
+    src: flannel/systemd-flannel.service.j2
+    dest: /etc/systemd/system/flannel.service
+  notify: restart flannel
+
+- name: Write docker.service systemd file
+  template:
+    src: flannel/systemd-docker.service.j2
+    dest: /lib/systemd/system/docker.service
+  notify: restart docker
+
+- name: Set fact for ectcd command conf file location
+  set_fact:
+    conf_file: "/tmp/flannel-conf.json"
+  run_once: true
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Create flannel config file to go in etcd
+  template: src=flannel/flannel-conf.json.j2 dest={{ conf_file }}
+  run_once: true
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Flannel configuration into etcd
+  shell: "{{ bin_dir }}/etcdctl set /{{ cluster_name }}/network/config < {{ conf_file }}"
+  delegate_to: "{{ groups['kube-master'][0] }}"
+  notify: restart flannel
+
+- name: Clean up the flannel config file
+  file: path=/tmp/flannel-config.json state=absent
+  run_once: true
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Write network-environment
+  template: src=flannel/network-environment.j2 dest=/etc/network-environment mode=u+x
+  notify: restart flannel
+
+- name: Launch Flannel
+  service: name=flannel state=started enabled=yes
+  notify:
+    - restart flannel
+
+- name: Enable Docker
+  service: name=docker enabled=yes state=started

roles/network_plugin/tasks/main.yml

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+---
+- name: "Test if network plugin is defined"
+  fail: msg="ERROR, One network_plugin variable must be defined (Flannel or Calico)"
+  when: ( kube_network_plugin is defined and kube_network_plugin == "calico" and kube_network_plugin == "flannel" ) or
+        kube_network_plugin is not defined 
+
+- include: flannel.yml
+  when: kube_network_plugin == "flannel"
+- include: calico.yml
+  when: kube_network_plugin == "calico"
+
+- meta: flush_handlers
+