PMM-14072 Automate Grafana plugin upgrade

Author: ademidoff

Makefile

@@ -49,3 +49,8 @@ docker_clean:
 	docker-compose stop \
 	&& docker-compose rm -f -v \
 	&& docker system prune --volumes -f
+
+.PHONY: upgrade_plugins
+upgrade_plugins:
+	cd misc \
+	&& ./upgrade_plugins.sh

misc/Dockerfile.upgrade

@@ -0,0 +1,8 @@
+FROM grafana/grafana:latest
+
+USER root
+
+# Do not run the server
+RUN sed -i '/exec grafana server/,$d' /run.sh
+
+USER grafana

misc/upgrade-plugins.sh

@@ -0,0 +1,25 @@
+#!/bin/bash -ex
+
+declare DIR OWNER
+DIR=$(realpath ../panels)
+OWNER=$(id -u):$(id -g)
+
+docker pull grafana/grafana
+
+docker buildx build --progress=plain -t local/grafana -f Dockerfile.upgrade .
+
+rm -rf "${DIR:?}"/*
+
+docker run \
+  --rm -t \
+  --name grafana \
+  -e GF_INSTALL_PLUGINS=grafana-clickhouse-datasource,grafana-polystat-panel,jdbranham-diagram-panel \
+  -v "${DIR}":/var/lib/grafana/plugins \
+  local/grafana
+
+sudo chown -R "$OWNER" "$DIR"
+
+echo "Listing upgraded Grafana plugins..."
+ls -l "$DIR"
+
+docker rmi local/grafana grafana/grafana