- name: "Start Felix"
  hosts: "{{ 'tag_Role_' + lookup('env', 'NUCYPHER_NETWORK_NAME') + '_felix' }}"
  user: ubuntu
  gather_facts: false

  pre_tasks:
    - name: "Install Python2.7 for Ansible Control"
      raw: sudo apt -y update && sudo apt install -y python2.7-minimal python2.7-setuptools
    - include_vars: "{{ lookup('env', 'ANSIBLE_VARIABLES') }}"

    - include_vars:
        file: "{{ networks_filepath }}"
        name: networks

  tasks:
    - name: "Install System Dependencies"
      become: yes
      become_flags: "-H -S"
      apt:
        name: "{{ packages }}"
        update_cache: yes
        state: latest
      vars:
        packages:
          - libffi-dev
          - python3
          - python3-pip
          - python3-dev
          - python3-setuptools
          - python3-virtualenv
          - virtualenv

    - git:
        repo: "{{ git_repo }}"
        dest: ./code
        version: "{{ git_version }}"

    - pip:
        chdir: ./code
        name: '.'
        editable: true
        virtualenv: '/home/ubuntu/venv'
        virtualenv_python: python3.6
        virtualenv_site_packages: true
      environment:
        LC_ALL: en_US.UTF-8
        LANG: en_US.UTF-8

    - name: "Check if 'felix.config' Exists"
      become: yes
      become_flags: "-H -S"
      stat:
        path: "~/.local/share/nucypher/felix.config"
      register: config_stat_result

    - name: "Initialize Felix Configuration"
      become: yes
      become_flags: "-H -S"
      shell: "{{ nucypher_exec }} felix init --geth --network {{ network }}"
      environment:
        NUCYPHER_KEYRING_PASSWORD: "{{ lookup('env', 'NUCYPHER_FELIX_KEYRING_PASSWORD') }}"
        LC_ALL: en_US.UTF-8
        LANG: en_US.UTF-8
      vars:
        nucypher_exec: "/home/ubuntu/venv/bin/nucypher"
        network: "{{ lookup('env', 'NUCYPHER_NETWORK_NAME') }}"
      when: config_stat_result.stat.exists == False

    - name: "Check if 'felix.db' Exists"
      become: yes
      become_flags: "-H -S"
      stat:
        path: "~/.local/share/nucypher/felix.db"
      register: db_stat_result

    - name: "Initialize Felix Database"
      become: yes
      become_flags: "-H -S"
      shell: "{{ nucypher_exec }} felix createdb --geth --network {{ network }}"
      environment:
        NUCYPHER_KEYRING_PASSWORD: "{{ lookup('env', 'NUCYPHER_FELIX_KEYRING_PASSWORD') }}"
        NUCYPHER_FELIX_SECRET: "{{ lookup('env', 'NUCYPHER_FELIX_DB_SECRET') }}"
        LC_ALL: en_US.UTF-8
        LANG: en_US.UTF-8
      vars:
        nucypher_exec: "/home/ubuntu/venv/bin/nucypher"
        network: "{{ lookup('env', 'NUCYPHER_NETWORK_NAME') }}"
      when: db_stat_result.stat.exists == False

    - name: "Open Felix HTTP Port"
      become: yes
      become_flags: "-H -S"
      shell: 'iptables -A INPUT -p tcp -m conntrack --dport {{ felix_http_port }} --ctstate NEW,ESTABLISHED -j ACCEPT'
      vars:
        felix_http_port: 6151

    - name: "Render Felix's Node Service"
      become: yes
      become_flags: "-H -S"
      template:
        src: ../../services/felix_faucet.j2
        dest: /etc/systemd/system/felix_faucet.service
        mode: 0755
      vars:
        virtualenv_path: '/home/ubuntu/venv'
        nucypher_network_domain: "{{ lookup('env', 'NUCYPHER_NETWORK_NAME') }}"