{% macro gvaapp_base(gvaappname, servicename) -%}
{% set app_home = salt['grains.get']('gnuviechadmin:home', '/home/{}'.format(gvaappname)) %}
{% set app_user = salt['grains.get']('gnuviechadmin:user', gvaappname) %}
{% set app_group = salt['grains.get']('gnuviechadmin:group', gvaappname) %}
{% set venv = "{}/{}-venv".format(app_home, gvaappname) -%}

{% set appfullname = 'GNUViech Admin {} User'.format(salt['pillar.get']('gnuviechadmin:{}:fullname'.format(gvaappname))) -%}
{% set update_git = salt['grains.get']('gnuviechadmin:update_git', True) %}
{% set gitrepo = salt['pillar.get']('gnuviechadmin:{}:git_url'.format(gvaappname), 'git:gnuviech/{}.git'.format(gvaappname)) -%}
{% set checkout = salt['grains.get']('gnuviechadmin:checkout', '/srv/{}'.format(gvaappname)) -%}
{% set deployment_key = '{}/.ssh/id_deployment'.format(app_home) -%}

{{ gvaappname }}-group:
  group.present:
    - name: {{ app_group }}

{{ gvaappname }}-user:
  user.present:
    - name: {{ app_user }}
    - home: {{ app_home }}
    - shell: /bin/bash
    - fullname: {{ appfullname }}
    - groups:
      - {{ app_group }}
  alias.present:
    - target: root

gvabase-dependencies:
  pkg.installed:
    - name: build-essential

{% if update_git %}
{{ app_home }}/.ssh:
  file.directory:
    - user: {{ app_user }}
    - group: {{ app_group }}
    - mode: 0700
    - require:
      - user: {{ gvaappname }}-user

SSH Deployment Key:
  cmd.run:
    - name: ssh-keygen -t ed25519 -C "Deployment key for {{ gvaappname }}" -N "" -f {{ deployment_key }}
    - creates: {{ deployment_key }}
    - runas: {{ app_user }}
    - requires:
      - file: {{ app_home }}/.ssh
    - require_in:
      - git: {{ gitrepo }}

SSH known hosts configuration:
  file.managed:
    - name: {{ app_home }}/.ssh/known_hosts
    - user: {{ app_user }}
    - group: {{ app_group }}
    - mode: 0600
    - contents_pillar: gnuviechadmin:ssh_known_hosts
    - require:
      - file: {{ app_home }}/.ssh
    - require_in:
      - git: {{ gitrepo }}

SSH configuration:
  file.managed:
    - name: {{ app_home }}/.ssh/config
    - user: {{ app_user }}
    - group: {{ app_group }}
    - mode: 0600
    - source: salt://gnuviechadmin/ssh_deploy_config
    - template: jinja
    - context:
        key: {{ deployment_key }}
    - require:
      - file: {{ app_home }}/.ssh
    - require_in:
      - git: {{ gitrepo }}
{% endif %}

{{ checkout }}:
  file.directory:
    - user: {{ app_user }}
    - group: {{ app_group }}
    - mode: 0755
    - require:
      - user: {{ gvaappname }}-user

{% if update_git %}
{{ gitrepo }}:
  git.latest:
    - user: {{ app_user }}
    - target: {{ checkout }}
    - rev: {{ salt['pillar.get']('gnuviechadmin:{}:git_branch'.format(gvaappname), 'production') }}
    - require:
      - file: {{ checkout }}
    - watch_in:
      - cmd: {{ gvaappname }}-requirements
      - service: {{ servicename }}
{% endif %}

rm -rf {{ venv }}:
  cmd.run:
    - runas: {{ app_user }}
    - unless: test -f {{ venv }}/bin/python3
    - require:
      - user: {{ gvaappname }}-user

create-{{ gvaappname }}-venv:
  cmd.run:
    - name: python3 -m virtualenv --python=python3 {{ venv }}
    - runas: {{ app_user }}
    - unless: test -f {{ venv }}/bin/pip3
    - require:
      - user: {{ gvaappname }}-user
      - python3-virtualenv-packages
    - watch_in:
      - cmd: update-{{ gvaappname }}-pip

update-{{ gvaappname }}-pip:
  cmd.wait:
    - name: {{ venv }}/bin/python3 -m pip install -U pip
    - runas: {{ app_user }}
    - require:
      - user: {{ gvaappname }}-user

{{ venv }}:
  file.directory:
    - user: {{ app_user }}
    - group: {{ app_group }}
    - require:
      - cmd: create-{{ gvaappname }}-venv
    - watch_in:
      - cmd: {{ gvaappname }}-requirements

{{ gvaappname }}-requirements:
  cmd.wait:
    - name: /usr/local/bin/pipenv install --deploy
    - runas: {{ app_user }}
    - cwd: {{ checkout }}
    - env:
      - VIRTUAL_ENV: "{{ venv }}"
      - PIPENV_HIDE_EMOJIS: 1
      - PIPENV_NOSPIN: 1
      - PIPENV_COLORBLIND: 1
      - LC_ALL: C.UTF-8
      - LANG: C.UTF-8
    - require:
      - cmd: install_pipenv
      - file: {{ venv }}
      {%- if update_git %}
      - git: {{ gitrepo }}
      {%- else %}
      - file: {{ checkout }}
      {%- endif %}
      - pkg: gvabase-dependencies
    - unless: test $(find {{ venv }} -type f -cnewer Pipfile.lock \! -name '*.pyc'|wc -l) -gt 0
    - watch_in:
      - service: {{ servicename }}
{% endmacro %}

{% macro create_celery_worker(gvaappname, purpose) %}
{% set app_home = salt['grains.get']('gnuviechadmin:home', '/home/{}'.format(gvaappname)) %}
{% set app_user = salt['grains.get']('gnuviechadmin:user', gvaappname) %}
{% set app_group = salt['grains.get']('gnuviechadmin:group', gvaappname) %}

{% set venv = "{}/{}-venv".format(app_home, gvaappname) -%}
{% set checkout = salt['grains.get']('gnuviechadmin:checkout', '/srv/{}'.format(gvaappname)) -%}
{% set gitrepo = salt['pillar.get']('gnuviechadmin:{}:git_url'.format(gvaappname), 'git:gnuviech/{}.git'.format(gvaappname)) -%}
{% set update_git = salt['grains.get']('gnuviechadmin:update_git', True) %}

{% set servicename = "{}-celery-worker".format(gvaappname) %}
{% set amqp_user = salt['pillar.get']('gnuviechadmin:{}:amqpuser'.format(gvaappname)) -%}
{{ gvaapp_base(gvaappname, servicename ) }}
/etc/default/{{ gvaappname }}:
  file.managed:
    - user: root
    - group: root
    - mode: 0640
    - source: salt://gnuviechadmin/{{ gvaappname }}/celery-worker.env
    - template: jinja
    - context:
        virtualenv: {{ venv }}
        checkout: {{ checkout }}
        broker_url: amqp://{{ amqp_user }}:{{ salt['pillar.get']('gnuviechadmin-queues:users:{}:password'.format(amqp_user)) }}@mq/{{ salt['pillar.get']('gnuviechadmin-queues:vhost') }}
        result_url: redis://:{{ salt['pillar.get']('gnuviechadmin:redis_password') }}@{{ salt['pillar.get']('gnuviechadmin:redis_host') }}/0
    - watch_in:
      - service: {{ servicename }}

/etc/systemd/system/{{ servicename }}.service:
  file.managed:
    - user: root
    - group: {{ app_group }}
    - mode: 0640
    - source: salt://gnuviechadmin/celery-worker.service
    - template: jinja
    - context:
        virtualenv: {{ venv }}
        checkout: {{ checkout }}
        app_user: {{ app_user }}
        appname: {{ gvaappname }}
        celery_module: {{ salt['pillar.get']('gnuviechadmin:{}:celery_module'.format(gvaappname), gvaappname) }}
        amqpname: {{ amqp_user }}
        description: Gnuviechadmin celery worker {{ purpose|default(gvaappname) }}
    - watch_in:
      - service: {{ servicename }}

{{ servicename }}:
  service.running:
    - enable: True
    - require:
      - file: {{ venv }}
      {%- if update_git %}
      - git: {{ gitrepo }}
      {%- else %}
      - file: {{ checkout }}
      {%- endif %}
      - file: /etc/systemd/system/{{ servicename }}.service
    - watch:
      - cmd: {{ gvaappname }}-requirements
      {%- if update_git %}
      - git: {{ gitrepo }}
      {%- endif %}
{% endmacro %}