add demo script

setup-demo-environment.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+
+set -e -o pipefail
+
+
+readonly CONTAINER_NAME="grafana-netdata-plugin-demo"
+readonly CONTAINER_PORT=3000
+readonly GRAFANA_DOCKER_IMAGE="grafana/grafana:9.1.6"
+readonly NETDATA_PLUGIN_REPO="netdata/netdata-grafana-datasource-plugin"
+readonly PROGNAME=$(basename $0)
+readonly ARG=$1
+
+function pre_check() {
+   docker version &>/dev/null || echo "Problems with docker! Check if docker is installed or/and docker daemon is running."
+   if [ "$(docker ps --filter name=$CONTAINER_NAME | wc -l)" -eq 2 ]; then
+      echo "Docker container $CONTAINER_NAME is already running!"
+      exit 1
+   fi
+   command -v jq &>/dev/null || ( echo "no jq"; exit 1;)
+   command -v curl &>/dev/null || ( echo "no curl"; exit 1;)
+}
+
+function get_latest_plugin() {
+  curl -s https://api.github.com/repos/${NETDATA_PLUGIN_REPO}/releases/latest \
+    | jq -r '.assets[] | select(.name|match("zip$")) | .browser_download_url'
+}
+
+function run() {
+  echo "get the latest netdata plugin"
+  declare plugin_url
+  plugin_url="$(get_latest_plugin)"
+  set -x
+  docker run -d -p 127.0.0.1::$CONTAINER_PORT -e GF_PLUGINS_ALLOW_LOADING_UNSIGNED_PLUGINS=netdata-datasource \
+    --name $CONTAINER_NAME --entrypoint /bin/sleep $GRAFANA_DOCKER_IMAGE inf
+  docker exec -it $CONTAINER_NAME \
+    bash -c "cd /var/lib/grafana/plugins && wget $plugin_url && unzip *.zip"
+  docker exec -d $CONTAINER_NAME bash -c "/run.sh"
+  set +x
+}
+
+function grafana_url() {
+  endpoint=$(docker ps --filter "name=$CONTAINER_NAME" --format '{{ index (split .Ports "-") 0 }}')
+  echo "Grafana with netdata plugin is available under: http://${endpoint} use admin/admin credentials to get access."
+}
+
+function remove() {
+  set -x
+  docker rm -f $CONTAINER_NAME
+  set +x
+}
+
+
+function usage() {
+  cat <<-EOF
+usage: $PROGNAME options
+
+$PROGNAME spin up Grafana instance with netdata datasource plugin.
+
+OPTIONS
+  run     run grafana docker container with netdata datasource plugin
+  remove  remove docker container
+EOF
+}
+
+if [ "$ARG" == "run" ]; then
+  pre_check
+  run
+  grafana_url
+elif [ "$ARG" == "remove" ]; then
+  remove
+else
+  usage
+fi