Add ability to configure date format in grafana server role

roles/grafana/README.md

@@ -54,6 +54,7 @@ All variables which can be overridden are stored in [defaults/main.yml](defaults
 | `grafana_tracing` | {} | [tracing](http://docs.grafana.org/installation/configuration/#tracing) configuration section |
 | `grafana_snapshots` | {} | [snapshots](http://docs.grafana.org/installation/configuration/#snapshots) configuration section |
 | `grafana_image_storage` | {} | [image storage](http://docs.grafana.org/installation/configuration/#external-image-storage) configuration section |
+| `grafana_date_formats` | {} | [date formats](http://docs.grafana.org/installation/configuration/#date_formats) configuration section |
 | `grafana_dashboards` | [] | List of dashboards which should be imported |
 | `grafana_dashboards_dir` | "dashboards" | Path to a local directory containing dashboards files in `json` format |
 | `grafana_datasources` | [] | List of datasources which should be configured |

roles/grafana/defaults/main.yml

@@ -198,6 +198,17 @@ grafana_image_storage: {}
 #  bucket:
 #  path:
 
+# Date format
+grafana_date_formats: {}
+#  full_date: "DD-MM-YYYY HH:mm:ss"
+#  interval_second: "HH:mm:ss"
+#  interval_minute: "HH:mm"
+#  interval_hour: "DD/MM HH:mm"
+#  interval_day: "DD/MM"
+#  interval_month: "MM-YYYY"
+#  interval_year: "YYYY"
+#  use_browser_locale: true
+#  default_timezone: "browser"
 
 #######
 # Plugins from https://grafana.com/plugins

roles/grafana/templates/grafana.ini.j2

@@ -195,3 +195,11 @@ provider = {{ grafana_image_storage.provider }}
 {{ k }} = {{ v }}
 {%   endfor %}
 {% endif %}
+
+# Date formats
+{% if grafana_date_formats != {} %}
+[date_formats]
+{%   for k,v in grafana_date_formats.items() %}
+{{ k }} = {{ v }}
+{%   endfor %}
+{% endif %}