visibilityspots/coinmarketcap-exporter repository overview

⁠coinmarketcap-exporter

A prometheus exporter for https://coinmarketcap.com/⁠. Provides Prometheus metrics from the API endpoint of Coinmarketcap, such as US price, Bitcoin price, trading volume, etc. Blog post found here⁠.

When running this exporter with both Prometheus and Grafana, you can create dashboards like⁠:

⁠Developing

• Build the image:

docker build -t coinmarketcap-exporter:latest .

• Run it while listening on localhost:9101:

docker run --rm -p 127.0.0.1:9101:9101 coinmarketcap-exporter:latest

• Run it interactively:

docker run --rm -it --entrypoint=/bin/sh -p 127.0.0.1:9101:9101 -v ${PWD}:/opt/coinmarketcap-exporter coinmarketcap-exporter:latest

• Then to launch:

python coinmarketcap.py

⁠Testing the Prometheus Grafana Stack

• In the prometheus-compose directory, run:

docker-compose up

• Go to http://localhost:3000⁠. Log in as admin/admin.
• To import the dashboard, click the "Home" button at the top, then on the right, click "Import Dashboard".
• Enter 3890 in the "Grafana.com Dashboard" field.
• Select the "prometheus" data source.
• Modify the other settings as preferred. Click "Import".
• The new dashboard should be selectable and found at http://localhost:3000/dashboard/db/coinmarketcap-single⁠.
• The Prometheus interface can be accessed at http://localhost:9090⁠

⁠Thanks and Links

• Coinmarketcap API link - https://coinmarketcap.com/api/⁠
• Prometheus exporters - https://prometheus.io/docs/instrumenting/writing_exporters/⁠
• Writing JSON exporters in Python from Robust Perception - https://www.robustperception.io/writing-json-exporters-in-python/⁠
• Grafana Dashboard - https://grafana.com/dashboards/3890⁠