rnode1.yml

---

- name: Explore
  hosts: rnodes
  become: yes
  vars_files:
    - priv/vault1.yml
  tasks:
    - name: ping
      ping:

    - name: Show hardware info
      block:
        - debug: msg="total RAM is {{ ansible_memory_mb.real.total }} MB"
        - debug: var=ansible_mounts
        - debug: var=ansible_processor_cores
        - debug: var=ansible_processor
    - name: Ensure sufficient RAM
      fail: msg="not enough RAM - 32GB needed"
      when: ansible_memory_mb.real.total < 32000

    - name: Show OS info
      block:
        - debug: var=ansible_distribution
        - debug: var=ansible_distribution_version
    - name: Get packages
      shell: dpkg-query -f '${binary:Package}\n' -W
      register: packages
    - name: Print packages
      debug: var=packages.stdout_lines

    # ack: https://github.com/do-community/ansible-playbooks/blob/master/docker_ubuntu1804/playbook.yml
    # https://docs.docker.com/install/linux/docker-ce/debian/
    - name: Update the apt package index
      apt: update_cache=yes cache_valid_time=3600 upgrade=dist
    - name: Install packages to allow apt to use a repository over HTTPS
      apt: name={{ item }} state=latest update_cache=yes
      with_items:
        - apt-transport-https
        - ca-certificates
        - curl
        - gnupg2
        - software-properties-common
        - python-pip

    - name: "Add Docker’s official GPG key"
      apt_key:
        url: https://download.docker.com/linux/debian/gpg
        id: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88
        state: present

    - name: Add Docker Repository
      apt_repository:
        repo: deb [arch=amd64] https://download.docker.com/linux/debian stretch stable
        state: present

    - name: Update apt and install docker-ce
      apt: update_cache=yes name={{ item }} state=latest
      with_items:
        - docker-ce
        - docker-ce-cli
        - containerd.io

    - name: Prune outdated Docker Module for Python
      pip: name=docker-py state=absent

    - name: Install Docker Module for Python
      pip: name=docker

    - name: Verify that Docker Engine - Community is installed correctly
      block:
        - docker_container: name=hello image="hello-world"
          register: docker_hello
        - debug: var=docker_hello.ansible_facts.docker_container.Created
        - debug: var=docker_hello.ansible_facts.docker_container.Id
        - debug: var=docker_hello.ansible_facts.docker_container.Image
        - debug: var=docker_hello.ansible_facts.docker_container.State

    # Feb 26 12:07 PM nuttzipper: the simplest way to start observer node using docker
    # https://discordapp.com/channels/375365542359465989/682250097589092395/682287531756093460
    - name: Start RChain rnode container
      docker_container:
        name: rnode
        network_mode: host
        volumes:
          - /var/lib/rnode:/var/lib/rnode
        image: "rchain/rnode:v0.9.22"
        command: run --network mainnet --shard-id root --bootstrap "rnode://487e2c0c519b450b61253dea0a23b4d184a50089@node0.root-shard.mainnet.rchain.coop?protocol=40400&discovery=40404" --finalization-rate 1 --fault-tolerance-threshold -1 --synchrony-constraint-threshold 0 --fork-choice-stale-threshold 30minutes --fork-choice-check-if-stale-interval 30minutes --drop-peer-after-retries 0 --give-up-after-skipped 0
      register: rnode_container
    - debug: var=rnode_container