kube-prometheus: Upgrade to grafana v5

grafana-image/Dockerfile

@@ -1,15 +1,17 @@
 FROM debian:9.3-slim
 
+ARG GRAFANA_VERSION
+
 RUN apt-get update && apt-get install -qq -y wget tar sqlite && \
-    wget -O /tmp/grafana.tar.gz https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-4.6.3.linux-x64.tar.gz && \
-    tar -zxvf /tmp/grafana.tar.gz -C /tmp && mv /tmp/grafana-4.6.3 /grafana && \
+    wget -O /tmp/grafana.tar.gz https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-$GRAFANA_VERSION.linux-x64.tar.gz && \
+    tar -zxvf /tmp/grafana.tar.gz -C /tmp && mv /tmp/grafana-$GRAFANA_VERSION /grafana && \
     rm -rf /tmp/grafana.tar.gz
 
-ADD config.toml /grafana/conf/config.toml
+ADD config.ini /grafana/conf/config.ini
 
 USER       nobody
 EXPOSE     3000
 VOLUME     [ "/data" ]
 WORKDIR    /grafana
 ENTRYPOINT [ "/grafana/bin/grafana-server" ]
-CMD        [ "-config=/grafana/conf/config.toml" ]
+CMD        [ "-config=/grafana/conf/config.ini" ]

grafana-image/Makefile

@@ -1,2 +1,5 @@
+VERSION=5.0.0-beta1
+IMAGE_TAG=$(VERSION)
+
 container:
-	docker build . -t quay.io/coreos/monitoring-grafana:4.6.3-non-root.1
+	docker build --build-arg GRAFANA_VERSION=$(VERSION) -t quay.io/coreos/monitoring-grafana:$(IMAGE_TAG) .

grafana-image/config.ini

@@ -5,3 +5,12 @@ path = /data/grafana.db
 data = /data
 logs = /data/log
 plugins = /data/plugins
+
+[session]
+provider = memory
+
+[auth.basic]
+enabled = false
+
+[auth.anonymous]
+enabled = true