self-hosting/roles/etcd/tasks/main.yml

---
- name: etcd replicated and outiside of kubeadm when multimasters
  block:

    - name: Install python3-pip
      apt:
        name: python3-pip
        state: latest
      register: result
      retries: 3
      until: result is success

    - name: Install docker-compose
      pip:
        name: docker-compose

    - name: Running etcd container on masters nodes
      docker_container:
        name: etcd
        image: "quay.io/coreos/etcd:v{{etcd_version}}"
        state: started
        detach: True
        ports:
          - "0.0.0.0:2380:2380"
          - "0.0.0.0:2379:2379"
        command: [
          "etcd",
          "--name {{ etcd_name }}",
          "--initial-advertise-peer-urls {{ etcd_initial_advertise_peer_urls }}",
          "--listen-peer-urls {{ etcd_listen_peer_urls }}",
          "--advertise-client-urls {{ etcd_advertise_client_urls }}",
          "--listen-client-urls {{ etcd_listen_client_urls }}",
          "--initial-cluster {{ etcd_initial_cluster }}",
          "--initial-cluster-state {{ etcd_initial_cluster_state }}",
          "--initial-cluster-token {{ etcd_initial_cluster_token }}"
        ]
        network_mode: host
        restart_policy: always

  when:
    - groups.k8s_masters|length > 1