Monitoring Cloud Foundry with Grafana and Prometheus - Architecture

Monitoring Cloud Foundry with Grafana and Prometheus involves collecting, storing, and visualizing metrics to enhance observability and manage the Cloud Foundry environment effectively.

1. Install and Configure Prometheus

• Set up Prometheus: Deploy Prometheus in Kubernetes, ensuring it has access to the Cloud Foundry metric endpoints.
• Scrape Cloud Foundry Metrics: Use the CF Exporter, Firehose Exporter or Nozzle Exporter to pull metrics from the Cloud Foundry. 

2. Install and Configure Thanos

• Thanos is an aggregator of multiple Prometheus instances

3. Set up Grafana

• Install Grafana on Kubernetes
• Add Prometheus as a Data Source.
• Create dashboards

Grafana FAQ

What is Grafana?

Grafana is open source visualization and alerting tool. It is widely used for interactive dashboards.

What is Prometheus?

Prometheus is a time-series database

What is Thanos?

Thanos is an aggregator of multiple Prometheus instances

What is pull-based model in Prometheus?

Prometheus collects metrics from defined endpoint. It scrapes data  on a configured interval. Architecturally, its a pull-based model rather than push/insert data.

What are the exporters and examples? 

• Blackbox exporters
• Firehose exporters
• cf exporters