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# Ansible global variables
---
# --------------------------------------------------------------------------------------------------
# Set these variables for your app
#
# Name of your app (only use letters, numbers, dashes, or underscores)
app_name: python-skeleton
# Parent directory to contain your app(s)
app_parent_dir: "{{ HOME }}/apps"
# Git repository containing your app
repo: git@github.com:noaa-nws-cpc/python-skeleton.git
# Version of Python to install in the virtual environment
python_version: 3.5
# Extra pip arguments to use when installing Python packages with pip - alternatively these can
# be defined in ~/.pip/pip.conf
extra_pip_args: ''
# --------------------------------------------------------------------------------------------------
# These can usually be left alone
#
# $HOME environment variable on the receiving machine
HOME: "{{ ansible_env.HOME }}"
# Directory where your app will be installed
app_dir: "{{ app_parent_dir }}/{{ app_name }}"
# Directory where the Python virtual environment will be created
virtualenv_dir: "{{ app_dir }}/venv"
...

# Ansible deployment playbook
---
  # ------------------------------------------------------------------------------------------------
  # Hosts to deploy to (set to all if you want to be able to just limit installation to specific
  # hosts using the `--limit` arg to `ansible-playbook`.
  #
  - hosts: all
    # ----------------------------------------------------------------------------------------------
    # Files containing additional variables
    #
    vars_files:
      - vars.yml
    # ----------------------------------------------------------------------------------------------
    # Tasks
    #
    tasks:
    - name: Check that conda is installed
      command: which conda
      register: conda_installed
    - fail: msg="conda not installed/defined on target machine..."
      when: "conda_installed.rc != 0"
    - name: Clone/pull from app repo
      git: >
        repo={{ repo }}
        dest={{ app_dir }}
        force=yes
        accept_hostkey=yes
        key_file=~/.ssh/id_rsa
    - name: Clean any untracked files in the repo
      command: git clean -fd chdir={{ app_dir }}
      register: git_clean
      changed_when: "git_clean.stdout != ''"
    - name: Create a conda virtual environment (including dependencies in conda-requirements.txt)
      command: "conda create --yes -p {{ virtualenv_dir }} --file={{ app_dir }}/conda-requirements.txt python={{ python_version }}"
      failed_when: "conda_created.rc != 0"
      register: conda_created
    - name: Install remaining pip requirements (in pip-requirements.txt)
      pip: >
        virtualenv={{ virtualenv_dir }}
        requirements={{ app_dir }}/pip-requirements.txt
        extra_args={{ extra_pip_args }}
    - name: Install application in the virtual environment
      pip: >
        virtualenv={{ virtualenv_dir }}
        name={{ app_dir }}
        extra_args='{{ extra_pip_args }} -e'
...