kubespray/scale.yml

---
- hosts: localhost
  gather_facts: False
  tasks:
    - name: "Check ansible version !=2.7.0"
      assert:
        msg: "Ansible V2.7.0 can't be used until: https://github.com/ansible/ansible/issues/46600 is fixed"
        that:
          - ansible_version.string is version("2.7.0", "!=")
          - ansible_version.string is version("2.6.0", ">=")
      tags:
        - check
  vars:
    ansible_connection: local

- hosts: bastion[0]
  gather_facts: False
  roles:
    - { role: kubespray-defaults}
    - { role: bastion-ssh-config, tags: ["localhost", "bastion"]}

##Bootstrap any new workers
- hosts: kube-node
  any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
  gather_facts: false
  vars:
    ansible_ssh_pipelining: false
  roles:
    - { role: kubespray-defaults}
    - { role: bootstrap-os, tags: bootstrap-os}

##We still have to gather facts about our masters and etcd nodes
- hosts: k8s-cluster:etcd:calico-rr
  any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
  vars:
    ansible_ssh_pipelining: true
  gather_facts: true

##We need to generate the etcd certificates beforhand
- hosts: etcd
  any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
  roles:
  - { role: kubespray-defaults}
  - { role: etcd, tags: etcd, etcd_cluster_setup: false }

##Target only workers to get kubelet installed and checking in on any new nodes
- hosts: kube-node
  any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
  roles:
    - { role: kubespray-defaults}
    - { role: kubernetes/preinstall, tags: preinstall }
    - { role: container-engine, tags: "container-engine", when: deploy_container_engine|default(true) }
    - { role: download, tags: download, when: "not skip_downloads" }
    - { role: etcd, tags: etcd, etcd_cluster_setup: false }
    - { role: kubernetes/node, tags: node }
    - { role: kubernetes/kubeadm, tags: kubeadm }
    - { role: network_plugin, tags: network }
  environment: "{{proxy_env}}"