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fabric-samples/test-network/prometheus-grafana/README.md
fraVlaca 07470e45cb add prometheus/grafana performances sample into test-network directory 
Signed-off-by: fraVlaca <ocsenarf@outlook.com>

added promethesus-grafana server to test-network

Signed-off-by: fraVlaca <ocsenarf@outlook.com>

changed image for cadvisor to version that works on Linux

Signed-off-by: fraVlaca <ocsenarf@outlook.com>

improved documentation on README and tweaked docker-compose file

Signed-off-by: fraVlaca <ocsenarf@outlook.com>
2022-01-11 11:40:52 +00:00

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Description

This sample provides an environment to display and capture metrics from the test-network in real time. It consists of a docker-compose file that starts a prometheus and grafana server setup configured to collect and display metrics for the test network.

Requirements

This sample is meant to be used on linux in order to fully benefit from its capabilities. However, it can be used and adapted on other systems with some additional work and tweaks.

You will need to have installed docker-compose with version 1.29 or above.

How to use

  1. Bring up the test-network
  2. Bring up the Prometheus/Grafana network --> docker-compose up -d
  3. Log in: type “< address >:3000” on your web browser -> username=“admin”, password=“admin”
  4. Browse dashboard and analyze results Extras: add new queries, modify dashboard & add relevant changes to main repo --> extract json and it to "grafana/dashboards/hlf-performances.json"

Docker Compose

Brings up

  • a prometheus sever (port 9090) --> pulls metrics from peers, orderer, system(node exporter) and containers(cadvisor)
  • grafana sever (port 3000) --> collects and display data from prometheus
  • node exporter (port 9100) --> exposes systems metrics
  • cadvisor (port 8080) --> exposes docker conteners metrics

Prometheus "confgaration file"

Prometheus.yml

Fabric metrics targets:

  • peer0.org1.example.com:9444
  • peer0.org2.example.com:9445
  • orderer.example.com:9443

System and docker metrics targets:

  • cadvisor:8080
  • node-exporter:9100

Check the state of the connections with targets on http://localhost:9090/targets.

Sources

Prometheus docs: https://prometheus.io/docs/introduction/overview/ Grafana docs: https://grafana.com/docs/