---
- hosts: common
  remote_user: root
  tasks:
     - name: Install common packages
       apt: name={{ item }} state=installed
       with_items:
           - python-pip
       tags: [ 'always' ]
     - name: Install docker for Ubuntu 14.04
       apt: name=docker.io state=installed
       when: ansible_distribution == 'Ubuntu' and ansible_distribution_version == '14.04'
       tags: [ 'always' ]
     - name: Install docker for Ubuntu 16.01
       apt: name=docker state=installed
       when: ansible_distribution == 'Ubuntu' and ansible_distribution_version == '16.0.'
       tags: [ 'always' ]
     - name: Install python deps
       pip: name={{ item }}
       with_items:
           - docker-py
           - docker-compose
       tags: [ 'always' ]

- hosts: grafana
  remote_user: root
  vars:
     postgresql_root_user: root
     postgresql_root_password: aijoom1Shiex
     grafana_postgresql_user: grafana
     grafana_postgresql_password: sHskdhos6se
     grafana_postgresql_db: grafana
     grafana_user: admin
     grafana_password: admin
  tasks:
     - name: Install packages for grafana
       apt: name={{ item }} state=installed
       with_items:
           - postgresql-client-9.3
           - python-psycopg2
     - name: Create postgres data dir
       file: path=/var/lib/postgres/data/db state=directory
       tags: [ 'grafana' ]
     - name: Run postgres in docker
       docker_container:
          name: postgres
          image: 'postgres:latest'
          ports: 5432:5432
          volumes: '/var/lib/postgres/data:/var/lib/postgres/data'
          env:
             POSTGRES_USER: "{{ postgresql_root_user }}"
             POSTGRES_PASSWORD: "{{ postgresql_root_password }}"
             PGDATA: /var/lib/postgres/data/db
       tags: [ 'grafana' ]
     - name: Create DB for grafana
       postgresql_db:
          name: "{{ grafana_postgresql_db }}"
          login_user: "{{ postgresql_root_user }}"
          login_password: "{{ postgresql_root_password }}"
          login_host: localhost
          encoding: 'UTF-8'
       tags: [ 'grafana' ]
     - name: Create user for grafana in postgres
       postgresql_user:
          name: "{{ grafana_postgresql_user }}"
          login_user: "{{ postgresql_root_user }}"
          login_password: "{{ postgresql_root_password }}"
          login_host: localhost
          password: "{{ grafana_postgresql_password }}"
          db: grafana
          priv: ALL
       tags: [ 'grafana' ]
     - name: Create data dir for Grafana
       file: path=/var/lib/grafana state=directory
       tags: [ 'grafana' ]
     - name: Start Grafana container
       docker_container:
          name: grafana
          image: 'grafana/grafana:4.0.1'
          volumes: '/var/lib/grafana:/var/lib/grafana'
          ports: 3000:3000
          env:
             GF_SECURITY_ADMIN_PASSWORD: "{{ grafana_user }}"
             GF_SECURITY_ADMIN_USER: "{{ grafana_password }}"
             GF_DATABASE_TYPE: postgres
             GF_DATABASE_HOST: "{{ ansible_default_ipv4.address }}"
             GF_DATABASE_NAME: "{{ grafana_postgresql_db }}"
             GF_DATABASE_USER: "{{ grafana_postgresql_user }}"
             GF_DATABASE_PASSWORD: "{{ grafana_postgresql_password }}"
             GF_INSTALL_PLUGINS: grafana-piechart-panel
       tags: [ 'grafana' ]

- hosts: prometheuses
  remote_user: root
  tasks:
     - name: Data dir for prometheus
       file: path=/var/lib/prometheus state=directory
       tags: [ 'prometheus' ]
     - include: docker_prometheus.yaml

- hosts: prometheus-kuber
  remote_user: root
  tasks:
     - name: Copy prometheus config
       template: src=prometheus/prometheus-kuber.yml.j2 dest=/var/lib/prometheus/prometheus.yml
       register: prometheus_yml
       tags: [ 'prometheus', 'prometheus-conf' ]
     - include: docker_prometheus.yaml
     - name: Send kill -1 to prometheus if prometheus.yml changed
       command: pkill -1 prometheus
       when: prometheus_yml.changed
       tags: [ 'prometheus', 'prometheus-conf']
- hosts: prometheus-system
  remote_user: root
  tasks:
     - name: Copy prometheus config
       template: src=prometheus/prometheus-system.yml.j2 dest=/var/lib/prometheus/prometheus.yml
       register: prometheus_yml
       tags: [ 'prometheus', 'prometheus-conf' ]
     - include: docker_prometheus.yaml
     - name: Send kill -1 to prometheus if prometheus.yml changed
       command: pkill -1 prometheus
       when: prometheus_yml.changed
       tags: [ 'prometheus', 'prometheus-conf']