preflight.yml

---
# EDGEX NODE
- name: Install Docker
  hosts: edgex_node
  become: true
  pre_tasks:

    - name: Fails if no telegram token is defined
      fail:
        msg: telegram_token is not defined
      when: telegram_token is not defined

    - name: Fails if no telegram channel_id is defined
      fail:
        msg: telegram_channel_id is not defined
      when: telegram_channel_id is not defined

    - name: Update packages
      ansible.builtin.apt:
        update_cache: true
  roles:
    - role: geerlingguy.docker
      vars:
        docker_install_compose_plugin: false
        docker_compose_package: docker-compose-plugin
        docker_compose_package_state: present

  tasks:

    - name: Create working directory
      ansible.builtin.file:
        path: /usr/local/edgex-runtime/device-snmp/devices
        state: directory
        mode: '755'

    - name: Create working directory
      ansible.builtin.file:
        path: /usr/local/edgex-runtime/device-snmp/device-profiles
        state: directory
        mode: '755'

    - name: Create working directory
      ansible.builtin.file:
        path: /usr/local/edgex-runtime
        state: directory
        mode: '755'

    - name: Download docker compose file for edgex runtime
      ansible.builtin.template:
        src: docker-compose.yml.j2
        dest: /usr/local/edgex-runtime/docker-compose.yml

    - name: Copy device profile files
      ansible.builtin.copy:
        src: '{{ item }}'
        dest: /usr/local/edgex-runtime/device-snmp/device-profiles/
      loop: "{{ query('fileglob', 'edgex_metadata/*') }}"

    - name: Copy device files
      ansible.builtin.template:
          src: '{{ item[1] }}'
          dest: '/usr/local/edgex-runtime/device-snmp/devices/{{ name }}.yml'
          mode: '644'
      vars:
        address: "{{ hostvars[item[0]].internal_address }}"
        name: "{{ hostvars[item[0]].ansible_hostname }}"
      loop: "{{ groups['iot_nodes'] | product(query('fileglob', 'device_templates/*'))}}"


    - name: Install monitoring application
      ansible.builtin.copy:
        src: monitor
        dest: /usr/local/

    - name: Build docker image
      community.docker.docker_image_build:
        name: monitor:latest
        path: /usr/local/monitor
        dockerfile: Dockerfile
        rebuild: always

    - name: start edgex runtime
      community.docker.docker_compose_v2:
        project_src: /usr/local/edgex-runtime
        state: present
      register: result
      retries: 5
      delay: 10


 # IOT DEVICES
- name: Provision iot devices
  hosts: iot_nodes
  become: true
  tasks:

    - name: Install snmp agent
      ansible.builtin.apt:
        name: snmpd
        state: present
        update_cache: true

    - name: enable agent on all interfaces
      ansible.builtin.template:
        src: snmpd.conf.j2
        dest: /etc/snmp/snmpd.conf
      vars:
        name: "{{ ansible_hostname }}"

    - name: Restart snmp agent
      ansible.builtin.service:
        name: snmpd
        state: restarted