Restore dockerized grafana setup

It's stil on a separate machine, but in docker to allow more applications to be run easier and tied together.

ansible/roles/forrest/files/docker-compose.yml

@@ -0,0 +1,33 @@
+version: "2.3"
+
+services:
+  grafana:
+    image: grafana/grafana:latest
+    environment:
+      - TZ=Europe/London
+      - GF_DATABASE_URL=postgres://grafana:grafana@db/grafana
+      - GF_RENDERING_SERVER_URL=http://renderer:8081/render
+      - GF_RENDERING_CALLBACK_URL=http://grafana:3000/
+    volumes:
+      - ./grafana:/var/lib/grafana
+    restart: unless-stopped
+    ports:
+      - 3000:3000
+    depends_on:
+      - db
+      - renderer
+
+  db:
+    image: postgres:12-alpine
+    restart: unless-stopped
+    volumes:
+      - ./postgres:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_PASSWORD=grafana
+      - POSTGRES_USER=grafana
+
+  renderer:
+    image: grafana/grafana-image-renderer:latest
+    restart: unless-stopped
+    environment:
+      - BROWSER_TZ=Europe/London

ansible/roles/forrest/handlers/main.yml

@@ -1,11 +1,4 @@
 - name: restart grafana
-  service:
-    name: grafana-server
-    state: restarted
-  become: true
-
-- name: restart influxdb
-  service:
-    name: influxdb
-    state: restarted
-  become: true
+  shell:
+    chdir: /opt/grafana
+    cmd: "{{ docker_update_command }}"

ansible/roles/forrest/tasks/grafana.yml

@@ -0,0 +1,17 @@
+- name: Create install directory
+  file:
+    path: /opt/grafana
+    state: directory
+    owner: "{{ docker_user.name }}"
+    mode: "{{ docker_compose_directory_mask }}"
+  become: true
+
+- name: Install compose file
+  template:
+    src: files/docker-compose.yml
+    dest: /opt/grafana/docker-compose.yml
+    mode: "{{ docker_compose_file_mask }}"
+    owner: "{{ docker_user.name }}"
+    validate: docker-compose -f %s config
+  notify: restart grafana
+  become: true

ansible/roles/forrest/tasks/main.yml

@@ -1,65 +1,2 @@
-- name: Add grafana repository
-  apt_repository:
-    repo: deb https://packages.grafana.com/oss/deb stable main
-    state: present
-    filename: grafana
-
-- name: Add influxdb repository
-  apt_repository:
-    repo: deb https://repos.influxdata.com/debian buster stable
-    state: present
-    filename: influxdb
-
-- name: Install grafana
-  package:
-    name: grafana
-  become: true
-
-- name: Install influxdb
-  package:
-    name: grafana
-  become: true
-  loop:
-    - influxdb
-    - chronograf
-
-- name: Enable grafana
-  service:
-    name: grafana-server
-    enabled: true
-  become: true
-
-- name: Enable influxdb
-  service:
-    name: influxdb
-    enabled: true
-  become: true
-
-- name: Configure influxdb
-  ini_file:
-    path: /etc/influxdb/influxdb.conf
-    mode: "0644"
-    section: "{{ item.section }}"
-    option: "{{ item.option }}"
-    value: "{{ item.value }}"
-  become: true
-  notify: restart influxdb
-  loop_control:
-    label: "{{ item.section }}.{{ item.option }}={{ item.value }}"
-  loop:
-    - {section: http, option: bind-address, value: 0.0.0.0:8086}
-    - {section: http, option: auth-enabled, value: "true"}
-
-- name: Configure grafana
-  ini_file:
-    path: /etc/grafana/grafana.ini
-    mode: "0644"
-    section: "{{ item.section }}"
-    option: "{{ item.option }}"
-    value: "{{ item.value }}"
-  become: true
-  notify: restart grafana
-  loop_control:
-    label: "{{ item.section }}.{{ item.option }}={{ item.value }}"
-  loop:
-    - {section: server, option: domain, value: grafana.jakehoward.tech}
+- name: Grafana
+  include: grafana.yml