Merge branch 'master' of https://git.notandy.de/ansible/roles/grafana

tasks/main.yml

-- name: install grafana
-  apt:
-    pkg: grafana
-
 - name: add www-data to grafana group
   user:
     name: www-data

vars/main.yml

 packages:
+  pkg:
+    grafana: {}
   repos:
     grafana:
-      url: "deb https://apt.grafana.com stable main"
+      url: "https://apt.grafana.com stable main"
       keyurl: "https://apt.grafana.com/gpg.key"
+      keychecksum: "sha256:58052c148058ace26dbd01ce057afa5709fb9d39c8a8ab16800be3f42fc02ab2"
+      keyarmored: true
+
 nginx:
   upstreams:
     grafana: