TDengine Datasource - build by Taosdata Inc. www.taosdata.com
TDengine backend server implement 2 urls:
*`/heartbeat` return 200 ok. Used for "Test connection" on the datasource config page.
*`/query` return data based on input sqls.
## Installation
To install this plugin:
Copy the data source you want to /var/lib/grafana/plugins/. Then restart grafana-server. The new data source should now be available in the data source type dropdown in the Add Data Source View.
<inputtype="text"class="gf-form-input"ng-model="ctrl.target.sql"spellcheck='false'placeholder="select count(*) from sys.cpu where ts >= $from and ts < $to interval($interval)"ng-blur="ctrl.panelCtrl.refresh()"data-mode="sql"></input>
curl -X POST http://localhost:3000/api/dashboards/db --header"Content-Type:application/json"-u admin:admin -d'{"dashboard":{"annotations":{"list":[{"builtIn":1,"datasource":"-- Grafana --","enable":true,"hide":true,"iconColor":"rgba(0, 211, 255, 1)","name":"Annotations & Alerts","type":"dashboard"}]},"editable":true,"gnetId":null,"graphTooltip":0,"id":1,"links":[],"panels":[{"datasource":null,"gridPos":{"h":8,"w":6,"x":0,"y":0},"id":6,"options":{"fieldOptions":{"calcs":["mean"],"defaults":{"color":{"mode":"thresholds"},"links":[{"title":"","url":""}],"mappings":[],"max":100,"min":0,"thresholds":{"mode":"absolute","steps":[{"color":"green","value":null},{"color":"red","value":80}]},"unit":"percent"},"overrides":[],"values":false},"orientation":"auto","showThresholdLabels":false,"showThresholdMarkers":true},"pluginVersion":"6.6.0","targets":[{"refId":"A","sql":"select last_row(value) from telegraf.mem where field=\"used_percent\""}],"timeFrom":null,"timeShift":null,"title":"Memory used percent","type":"gauge"},{"aliasColors":{},"bars":false,"dashLength":10,"dashes":false,"datasource":null,"fill":1,"fillGradient":0,"gridPos":{"h":8,"w":12,"x":6,"y":0},"hiddenSeries":false,"id":8,"legend":{"avg":false,"current":false,"max":false,"min":false,"show":true,"total":false,"values":false},"lines":true,"linewidth":1,"nullPointMode":"null","options":{"dataLinks":[]},"percentage":false,"pointradius":2,"points":false,"renderer":"flot","seriesOverrides":[],"spaceLength":10,"stack":false,"steppedLine":false,"targets":[{"alias":"MEMUSED-PERCENT","refId":"A","sql":"select avg(value) from telegraf.mem where field=\"used_percent\" interval(1m)"}],"thresholds":[],"timeFrom":null,"timeRegions":[],"timeShift":null,"title":"MEM","tooltip":{"shared":true,"sort":0,"value_type":"individual"},"type":"graph","xaxis":{"buckets":null,"mode":"time","name":null,"show":true,"values":[]},"yaxes":[{"format":"short","label":null,"logBase":1,"max":null,"min":null,"show":true},{"format":"short","label":null,"logBase":1,"max":null,"min":null,"show":true}],"yaxis":{"align":false,"alignLevel":null}},{"datasource":null,"gridPos":{"h":3,"w":18,"x":0,"y":8},"id":10,"options":{"displayMode":"lcd","fieldOptions":{"calcs":["mean"],"defaults":{"mappings":[],"thresholds":{"mode":"absolute","steps":[{"color":"green","value":null}]},"unit":"percent"},"overrides":[],"values":false},"orientation":"auto","showUnfilled":true},"pluginVersion":"6.6.0","targets":[{"alias":"CPU-SYS","refId":"A","sql":"select last_row(value) from telegraf.cpu where field=\"usage_system\""},{"alias":"CPU-IDLE","refId":"B","sql":"select last_row(value) from telegraf.cpu where field=\"usage_idle\""},{"alias":"CPU-USER","refId":"C","sql":"select last_row(value) from telegraf.cpu where field=\"usage_user\""}],"timeFrom":null,"timeShift":null,"title":"CPU-USED","type":"bargauge"},{"aliasColors":{},"bars":false,"dashLength":10,"dashes":false,"datasource":"TDengine","description":"General CPU monitor","fill":1,"fillGradient":0,"gridPos":{"h":9,"w":18,"x":0,"y":11},"hiddenSeries":false,"id":2,"legend":{"avg":false,"current":false,"max":false,"min":false,"show":true,"total":false,"values":false},"lines":true,"linewidth":1,"nullPointMode":"null","options":{"dataLinks":[]},"percentage":false,"pointradius":2,"points":false,"renderer":"flot","seriesOverrides":[],"spaceLength":10,"stack":false,"steppedLine":false,"targets":[{"alias":"CPU-USER","refId":"A","sql":"select avg(value) from telegraf.cpu where field=\"usage_user\" and cpu=\"cpu-total\" interval(1m)"},{"alias":"CPU-SYS","refId":"B","sql":"select avg(value) from telegraf.cpu where field=\"usage_system\" and cpu=\"cpu-total\" interval(1m)"},{"alias":"CPU-IDLE","refId":"C","sql":"select avg(value) from telegraf.cpu where field=\"usage_idle\" and cpu=\"cpu-total\" interval(1m)"}],"thresholds":[],"timeFrom":null,"timeRegions":[],"timeShift":null,"title":"CPU","tooltip":{"shared":true,"sort":0,"value_type":"individual"},"type":"graph","xaxis":{"buckets":null,"mode":"time","name":null,"show":true,"values":[]},"yaxes":[{"format":"short","label":null,"logBase":1,"max":null,"min":null,"show":true},{"format":"short","label":null,"logBase":1,"max":null,"min":null,"show":true}],"yaxis":{"align":false,"alignLevel":null}}],"refresh":"10s","schemaVersion":22,"style":"dark","tags":["demo"],"templating":{"list":[]},"time":{"from":"now-3h","to":"now"},"timepicker":{"refresh_intervals":["5s","10s","30s","1m","5m","15m","30m","1h","2h","1d"]},"timezone":"","title":"TDengineDashboardDemo","id":null,"uid":null,"version":0}}'
#curl -X POST http://localhost:3000/api/dashboards/db --header "Content-Type:application/json" -u admin:admin -d '{"dashboard":{"annotations":{"list":[{"builtIn":1,"datasource":"-- Grafana --","enable":true,"hide":true,"iconColor":"rgba(0, 211, 255, 1)","name":"Annotations & Alerts","type":"dashboard"}]},"editable":true,"gnetId":null,"graphTooltip":0,"id":3,"links":[],"panels":[{"aliasColors":{},"bars":false,"dashLength":10,"dashes":false,"datasource":"TDengine","description":"memory used percent","fill":1,"fillGradient":0,"gridPos":{"h":8,"w":12,"x":0,"y":0},"hiddenSeries":false,"id":4,"legend":{"avg":false,"current":false,"max":false,"min":false,"show":true,"total":false,"values":false},"lines":true,"linewidth":1,"nullPointMode":"null","options":{"dataLinks":[]},"percentage":false,"pointradius":2,"points":false,"renderer":"flot","seriesOverrides":[],"spaceLength":10,"stack":false,"steppedLine":false,"targets":[{"alias":"memused-percent","refId":"A","sql":"select avg(value) from telegraf.mem where field=\"used_percent\" interval(1m)"},{"refId":"B","sql":""}],"thresholds":[],"timeFrom":null,"timeRegions":[],"timeShift":null,"title":"MEM","tooltip":{"shared":true,"sort":0,"value_type":"individual"},"type":"graph","xaxis":{"buckets":null,"mode":"time","name":null,"show":true,"values":[]},"yaxes":[{"format":"short","label":null,"logBase":1,"max":null,"min":null,"show":true},{"format":"short","label":null,"logBase":1,"max":null,"min":null,"show":true}],"yaxis":{"align":false,"alignLevel":null}},{"aliasColors":{},"bars":false,"dashLength":10,"dashes":false,"datasource":"TDengine","description":"General CPU monitor","fill":1,"fillGradient":0,"gridPos":{"h":9,"w":12,"x":0,"y":8},"hiddenSeries":false,"id":2,"legend":{"avg":false,"current":false,"max":false,"min":false,"show":true,"total":false,"values":false},"lines":true,"linewidth":1,"nullPointMode":"null","options":{"dataLinks":[]},"percentage":false,"pointradius":2,"points":false,"renderer":"flot","seriesOverrides":[],"spaceLength":10,"stack":false,"steppedLine":false,"targets":[{"alias":"CPU-USER","refId":"A","sql":"select avg(value) from telegraf.cpu where field=\"usage_user\" and cpu=\"cpu-total\" interval(1m)"},{"alias":"CPU-SYS","refId":"B","sql":"select avg(value) from telegraf.cpu where field=\"usage_system\" and cpu=\"cpu-total\" interval(1m)"},{"alias":"CPU-IDLE","refId":"C","sql":"select avg(value) from telegraf.cpu where field=\"usage_idle\" and cpu=\"cpu-total\" interval(1m)"}],"thresholds":[],"timeFrom":null,"timeRegions":[],"timeShift":null,"title":"CPU","tooltip":{"shared":true,"sort":0,"value_type":"individual"},"type":"graph","xaxis":{"buckets":null,"mode":"time","name":null,"show":true,"values":[]},"yaxes":[{"format":"short","label":null,"logBase":1,"max":null,"min":null,"show":true},{"format":"short","label":null,"logBase":1,"max":null,"min":null,"show":true}],"yaxis":{"align":false,"alignLevel":null}}],"refresh":"10s","schemaVersion":21,"style":"dark","tags":["demo"],"templating":{"list":[]},"time":{"from":"now-6h","to":"now"},"timepicker":{"refresh_intervals":["5s","10s","30s","1m","5m","15m","30m","1h","2h","1d"]},"timezone":"","title":"TDengineDashboardDemo","id":null,"uid":null,"version":0}}'
