Multi-cloud K8s cluster with Terraform and Ansible

ansible-gcp-require-config-t28.yaml

- hosts: aws-k8s-master
  become: yes
  gather_facts: no
  tasks:

    - name: "Create token command for worker nodes"
      shell: "kubeadm token create  --print-join-command"
      register: join_cmd
      args:
        warn: false

- hosts: gcp-k8s-nodes
  become: yes
  vars:

  tasks:

    - name: "Install necessary software"
      apt:
        name: ['apt-transport-https', 'ca-certificates', 'gnupg2', 'software-properties-common']
        state: "present"

    - name: "Add docker apt-key"
      apt_key:
        url: "https://download.docker.com/linux/debian/gpg"
        state: "present"
    

    - name: "Add k8s apt-key"
      apt_key:
        url: https://packages.cloud.google.com/apt/doc/apt-key.gpg
        state: present

    - name: "Add docker repo"
      apt_repository:
        repo: "deb https://download.docker.com/linux/debian stretch stable"
        state: "present"
        filename: "docker"

    - name: "Add k8s repository"
      apt_repository:
        repo: "deb http://apt.kubernetes.io/ kubernetes-xenial main"
        state: "present"
        filename: "kubernetes"

    - name: "Install Docker"
      apt:
        name: "docker-ce"
        state: "present"
        update_cache: true

    - name: "Copy docker daemon file"
      copy:
        src: "../daemon.json"
        dest: "/etc/docker/"

    - name: "Enable and start services"
      service:
        name: "docker"
        state: "restarted"

    - name: "Install kubelet"
      apt:
        name: "kubelet"
        state: "present"

    - name: "Install kubeadm"
      apt:
        name: "kubeadm"
        state: "present"

    - name: "Join with master"
      shell: "{{ hostvars[groups['aws-k8s-master'][0]]['join_cmd']['stdout'] }}"
      ignore_errors: yes

    - name: "Create terraform env file"
      file:
        path: "/etc/profile.d/terraform.sh"
        state: touch
        owner: root
        group: root
        mode: '0644'

    - name: "Add IS_CONFIGURED env var"
      lineinfile:
        path: "/etc/profile.d/terraform.sh"
        insertafter: 'EOF'
        line: "export IS_CONFIGURED=1"