kubespray/roles/network_plugin/canal/tasks/main.yml

---
- name: Canal | Write Canal cni config
  template:
    src: "cni-canal.conf.j2"
    dest: "/etc/cni/net.d/10-canal.conf"
    owner: kube

- name: Canal | Create canal certs directory
  file:
    dest: "{{ canal_cert_dir }}"
    state: directory
    mode: 0750
    owner: root
    group: root

- name: Canal | Link etcd certificates for canal-node
  file:
    src: "{{ etcd_cert_dir }}/{{ item.s }}"
    dest: "{{ canal_cert_dir }}/{{ item.d }}"
    state: hard
  with_items:
    - {s: "ca.pem", d: "ca_cert.crt"}
    - {s: "node.pem", d: "cert.crt"}
    - {s: "node-key.pem", d: "key.pem"}

- name: Canal | Set Flannel etcd configuration
  command: |-
    {{ bin_dir }}/etcdctl --peers={{ etcd_access_addresses }} \
    set /{{ cluster_name }}/network/config \
    '{ "Network": "{{ kube_pods_subnet }}", "SubnetLen": {{ kube_network_node_prefix }}, "Backend": { "Type": "{{ flannel_backend_type }}" } }'
  delegate_to: "{{groups['etcd'][0]}}"
  run_once: true

- 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

- name: Canal | Copy cni plugins from hyperkube
  command: "/usr/bin/docker run --rm -v /opt/cni/bin:/cnibindir {{ hyperkube_image_repo }}:{{ hyperkube_image_tag }} /usr/bin/rsync -a /opt/cni/bin/ /cnibindir/"
  register: cni_task_result
  until: cni_task_result.rc == 0
  retries: 4
  delay: "{{ retry_stagger | random + 3 }}"
  changed_when: false

- name: Canal | Copy cni plugins from calico/cni
  command: "/usr/bin/docker run --rm -v /opt/cni/bin:/cnibindir {{ calico_cni_image_repo }}:{{ calico_cni_image_tag }} sh -c 'cp -a /opt/cni/bin/* /cnibindir/'"
  register: cni_task_result
  until: cni_task_result.rc == 0
  retries: 4
  delay: "{{ retry_stagger | random + 3 }}"
  changed_when: false