在线安装SimpleJson
官网：https://grafana.com/grafana/plugins/grafana-simple-json-datasource
# grafana-cli plugins install grafana-simple-json-datasource
# systemctl restart grafana-server离线安装SimpleJson
自行编译
# cd /var/lib/grafana/plugins/
# git clone https://github.com/bergquist/fake-simple-json-datasource
# yarn
# yarn build
# systemctl restart grafana-server官方编译
参考：https://grafana.com/grafana/plugins/grafana-simple-json-datasource/installation
已编译zip包：https://grafana.com/api/plugins/grafana-simple-json-datasource/versions/1.4.0/download
# unzip -q grafana-simple-json-datasource-87ced44.zip
# mv grafana-simple-json-datasource-87ced44 grafana-simple-json-datasource
# mv grafana-simple-json-datasource /var/lib/grafana/plugins/
# systemctl restart grafana-server
