Add support for configuring feature_toggles in grafana role (#173)

roles/grafana/README.md

@@ -57,6 +57,7 @@ All variables which can be overridden are stored in [defaults/main.yml](defaults
 | `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_feature_toggles` | {} | [feature toggles](http://docs.grafana.org/installation/configuration/#feature_toggles) 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

@@ -227,6 +227,12 @@ grafana_date_formats: {}
 #  use_browser_locale: true
 #  default_timezone: "browser"
 
+# Feature toggles
+# List of feature toggles: https://grafana.com/docs/grafana/latest/setup-grafana/configure-grafana/feature-toggles/#feature-toggles
+grafana_feature_toggles: {}
+#  autoMigrateOldPanels: true
+#  regressionTransformation: true
+
 #######
 # Plugins from https://grafana.com/plugins
 grafana_plugins: []

roles/grafana/templates/grafana.ini.j2

@@ -213,6 +213,14 @@ provider = {{ grafana_image_storage.provider }}
 {%   endfor %}
 {% endif %}
 
+{% if grafana_feature_toggles != {} %}
+# Feature toggles
+[feature_toggles]
+{%   for k,v in grafana_feature_toggles.items() %}
+{{ k }} = {{ v }}
+{%   endfor %}
+{% endif %}
+
 # Oauth_Keycloack
 {% if grafana_auth_generic_oauth != {} %}
 [auth.generic_oauth]