Prometheus

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https://github.com/narethim/tools/blob/master/setup-prometheus-node-exporter-arm64.md

https://grafana.com/docs/grafana-cloud/quickstart/noagent_linuxnode/ 

docker run -d --restart=always --net mqtt \
    --name=prometheus \
    -p 9099:9090 \
    -v ~/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml \
    prom/prometheus

https://linuxhit.com/prometheus-node-exporter-on-raspberry-pi-how-to-install/ 

wget https://github.com/prometheus/node_exporter/releases/download/v0.18.1/node_exporter-0.18.1.linux-arm64.tar.gz
tar -xvzf node_exporter-0.18.1.linux-arm64.tar.gz
sudo cp node_exporter-0.18.1.linux-arm64/node_exporter /usr/local/bin
sudo chmod +x /usr/local/bin/node_exporter
sudo useradd -m -s /bin/bash node_exporter
sudo mkdir /var/lib/node_exporter
sudo chown -R node_exporter:node_exporter /var/lib/node_exporter
sudo nano /etc/systemd/system/node_exporter.service


<pre>
[{"id":"d1f3d002.63ee48","type":"subflow","name":"rbe 5m","info":"","category":"","in":[{"x":60,"y":120,"wires":[{"id":"dd19c0de.9bebd"}]}],"out":[{"x":420,"y":160,"wires":[{"id":"29eae4ad.d68f2c","port":0}]}],"env":[],"meta":{},"color":"#DDAA99"},{"id":"dd19c0de.9bebd","type":"rbe","z":"d1f3d002.63ee48","name":"","func":"rbe","gap":"","start":"","inout":"out","property":"payload","x":190,"y":120,"wires":[["29eae4ad.d68f2c"]]},{"id":"8b22fc2a.83d07","type":"inject","z":"d1f3d002.63ee48","name":"","props":[{"p":"reset","v":"1","vt":"str"}],"repeat":"300","crontab":"","once":false,"onceDelay":0.1,"topic":"","x":200,"y":80,"wires":[["dd19c0de.9bebd"]]},{"id":"29eae4ad.d68f2c","type":"switch","z":"d1f3d002.63ee48","name":"","property":"reset","propertyType":"msg","rules":[{"t":"null"}],"checkall":"true","repair":false,"outputs":1,"x":280,"y":160,"wires":[[]]},{"id":"82572bd7fa2754e2","type":"link out","z":"f6f2187d.f17ca8","name":"link out 9","mode":"link","links":["058f796bc37b7250","56f925dd66127bbb"],"x":265,"y":140,"wires":[]},{"id":"7fddbf716a47caa3","type":"mqtt in","z":"f6f2187d.f17ca8","name":"","topic":"#","qos":"0","datatype":"auto","broker":"61c70212c61507f5","nl":false,"rap":false,"inputs":0,"x":130,"y":140,"wires":[["82572bd7fa2754e2","f04495f04028c894"]]},{"id":"873f73b8bd187f78","type":"subflow:d1f3d002.63ee48","z":"f6f2187d.f17ca8","name":"","x":360,"y":260,"wires":[["5b24a3ea71452cd8","a2a978223a03ad4b","f656e5b024503c03"]]},{"id":"058f796bc37b7250","type":"link in","z":"f6f2187d.f17ca8","name":"link in 1","links":["190658415505c339","82572bd7fa2754e2"],"x":215,"y":260,"wires":[["873f73b8bd187f78"]]},{"id":"f04495f04028c894","type":"debug","z":"f6f2187d.f17ca8","name":"debug 8","active":false,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":290,"y":80,"wires":[]},{"id":"f656e5b024503c03","type":"function","z":"f6f2187d.f17ca8","name":"Metrics List","func":"\n\n\nvar metrics = {};\n\nmetrics.timestamp = new Date().getTime();\nmetrics.topic = msg.topic;\nmetrics.payload = msg.payload;\n\nvar mname = msg.topic.replace(/\\//g,\"_\")\n\n\nflow.set(\"metrics.\" + mname, metrics);\n\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":410,"y":340,"wires":[[]]},{"id":"1fdeb63853f6378a","type":"http in","z":"f6f2187d.f17ca8","name":"","url":"/metrics","method":"get","upload":false,"swaggerDoc":"","x":190,"y":580,"wires":[["0df212d8de0af553"]]},{"id":"78bcb731b3070bde","type":"http in","z":"f6f2187d.f17ca8","name":"","url":"/metrics/:vargroup","method":"get","upload":false,"swaggerDoc":"","x":220,"y":660,"wires":[["a9bfbf0b470f5412"]]},{"id":"a9bfbf0b470f5412","type":"function","z":"f6f2187d.f17ca8","name":"Metrics","func":"\nvar metrics = flow.get(\"metrics\")||{};\n\n\nvar net = global.get(\"config.networkId\") || \"local\";\n\nvar oot = \"\";\n//oot = 'stat_state {network=\"local\", node=\"mynodered1\", device=\"prometheus\", vargroup=\"stat\", varkey=\"state\"} 1\\n';\n\nfor (var m in metrics) {\n\n    var tops = metrics[m].topic.split(\"/\");\n    \n    if (isNaN(metrics[m].payload)) { continue; }\n    if (tops[3] != msg.req.params.vargroup) { continue; }    \n\n    \n    oot += tops[3] + '_' + tops[4] + '{network=\"' + net + '\",node=\"' + tops[1] + '\",device=\"' + tops[2] + '\",vargroup=\"' + tops[3] + '\",varkey=\"' + tops[4] + '\"} ' + metrics[m].payload + \"\\n\";\n\n}\n\n\nmsg.payload = oot;\n\nreturn msg;\n\n","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":520,"y":660,"wires":[["2bf9db2387e3c2c3","011f1ef5757fc34b"]]},{"id":"0df212d8de0af553","type":"function","z":"f6f2187d.f17ca8","name":"Metrics","func":"\n//temperature{ node = \"mynode\", topic = \"zigbee2mqtt_0x00157d00032b1234\" } { { payload } }\n\nvar metrics = flow.get(\"metrics\")||{};\n//flow.set(\"metrics\",{});\n\nvar net = global.get(\"config.networkId\") || \"local\";\n\nvar oot = \"\";\n//oot = 'stat_state {network=\"local\", node=\"mynodered1\", device=\"prometheus\", vargroup=\"stat\", varkey=\"state\"} 1\\n';\n\nfor (var m in metrics) {\n\n    if (isNaN(metrics[m].payload)) { continue; }\n    \n    var tops = metrics[m].topic.split(\"/\");\n\n    //if (tops[3] != \"dat\") { continue; }    \n\n    oot += tops[3] + '_' + tops[4] + '{network=\"' + net + '\",node=\"' + tops[1] + '\",device=\"' + tops[2] + '\",vargroup=\"' + tops[3] + '\",varkey=\"' + tops[4] + '\"} ' + metrics[m].payload + \"\\n\";\n\n}\n\n\nmsg.payload = oot;\n\nreturn msg;\n\n","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":520,"y":580,"wires":[["2bf9db2387e3c2c3","011f1ef5757fc34b"]]},{"id":"011f1ef5757fc34b","type":"debug","z":"f6f2187d.f17ca8","name":"debug 16","active":false,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":740,"y":580,"wires":[]},{"id":"2bf9db2387e3c2c3","type":"http response","z":"f6f2187d.f17ca8","name":"","statusCode":"","headers":{},"x":730,"y":620,"wires":[]},{"id":"61c70212c61507f5","type":"mqtt-broker","name":"","broker":"mqtt","port":"1883","clientid":"","autoConnect":true,"usetls":false,"protocolVersion":"4","keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","birthMsg":{},"closeTopic":"","closeQos":"0","closePayload":"","closeMsg":{},"willTopic":"","willQos":"0","willPayload":"","willMsg":{},"userProps":"","sessionExpiry":""}]

[Unit] Description=Node Exporter

[Service]

  1. Provide a text file location for https://github.com/fahlke/raspberrypi_exporter data with the
  2. --collector.textfile.directory parameter.

ExecStart=/usr/local/bin/node_exporter --collector.textfile.directory /var/lib/node_exporter/textfile_collector

[Install] WantedBy=multi-user.target 

sudo systemctl daemon-reload 
sudo systemctl enable node_exporter.service
sudo systemctl start node_exporter.service
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