add grafana_plugins variable to install plugins

Signed-off-by: Jakub Sokołowski <jakub@status.im>

defaults/main.yml

@@ -47,8 +47,10 @@ grafana_anonymous: false
 grafana_snaphots_enabled: true
 
 # plugins to clone into the plugins directory
-grafana_plugins:
-  - https://github.com/GoshPosh/grafana-meta-queries/archive/0.0.3.zip
+grafana_plugins: []
+# URLs of plugin ZIP archives.
+grafana_unsigned_plugins: []
+#  - https://github.com/GoshPosh/grafana-meta-queries/archive/0.0.3.zip
 
 # Generic container options
 compose_recreate: 'smart'

tasks/config.yml

@@ -47,4 +47,4 @@
     owner: '{{ grafana_host_uid }}'
     group: docker
     remote_src: true
-  with_items: '{{ grafana_plugins }}'
+  with_items: '{{ grafana_unsigned_plugins }}'

templates/docker-compose.yml.j2

@@ -5,6 +5,8 @@ services:
     container_name: '{{ grafana_cont_name }}'
     image: '{{ grafana_image }}'
     restart: always
+    environment:
+      GF_INSTALL_PLUGINS: '{{ grafana_plugins | join(",") }}'
     ports:
       - '127.0.0.1:{{ grafana_cont_port }}:{{ grafana_cont_port }}'
     volumes: