Simple Grafana backup script

grafana_backup.sh

#!/bin/bash
#
# Name: Grafana dashboard backup script
# Version: 0.1
# Requires: jq

display_usage() {
  echo "Usage: $0 HOSTNAME KEY DIR"
  echo "Backup all Grafana dashboards using Grafana API key"
  echo "Requires 'jq' to parse JSON"
  echo ""
  echo "Example: $0 http://grafana.host.com:3000 reallysuperlongapikey== /var/tmp/grafana"
  	 
  exit 1
}

jq_check() {
	command -v "jq"
	if [[ $? != 0 ]]
	then
      echo "'jq' is not installed. Please install 'jq'."
	  exit 1
	fi
}

main() {

	if [[ (($# < 2) ) ]]
	then
	  display_usage
	fi

	jq_check


	HOST="$1"
	KEY="$2"
	DASH_DIR="$3"

	for uid in $(curl -sS -H "Authorization: Bearer $KEY" $HOST/api/search\?query\=\& | jq -r '.[] | select( .type | contains("dash-db")) | .uid'); do 

		DS_JSON="$(curl -sS -H "Authorization: Bearer $KEY" $HOST/api/dashboards/uid/$uid)"
		DS_TITLE="$(echo ${DS_JSON} | jq -r '.dashboard | .title')"
		FOLDER_NAME="$(echo ${DS_JSON} | jq -r '.meta | .folderTitle')"

		mkdir -p "${DASH_DIR}/${FOLDER_NAME}"
		echo ${DS_JSON} > "${DASH_DIR}/${FOLDER_NAME}/${DS_TITLE}.json"

	done

}

main "$@"