← Back to Blog

Troubleshooting Kubernetes Nginx Ingress Configuration for Grafana

Grafana is a popular open-source platform for visualizing metrics, which data scientists often use to monitor their applications and infrastructure. However, configuring Grafana to work with Kubernetes using Nginx Ingress can sometimes be challenging. This blog post will guide you through the process of troubleshooting common issues that may arise when setting up Grafana with Kubernetes Nginx Ingress.
By Saturn Cloud | | Miscellaneous

Troubleshooting Kubernetes Nginx Ingress Configuration for Grafana

Grafana is a popular open-source platform for visualizing metrics, which data scientists often use to monitor their applications and infrastructure. However, configuring Grafana to work with Kubernetes using Nginx Ingress can sometimes be challenging. This blog post will guide you through the process of troubleshooting common issues that may arise when setting up Grafana with Kubernetes Nginx Ingress.

Prerequisites

Before we dive in, ensure you have the following:

  • A Kubernetes cluster up and running
  • Helm installed on your machine
  • Nginx Ingress Controller installed in your cluster
  • Grafana installed in your cluster

Common Issues and Solutions

1. Grafana is not accessible via the Ingress URL

This is one of the most common issues. You’ve set up everything correctly, but when you try to access Grafana via the Ingress URL, you get a 404 error.

Solution: Check your Ingress resource configuration. The host specified in the Ingress resource should match the URL you’re using to access Grafana. Also, ensure that the service name and port in the Ingress resource match the service name and port of your Grafana deployment.

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: grafana-ingress
spec:
  rules:
  - host: grafana.yourdomain.com
    http:
      paths:
      - pathType: Prefix
        path: "/"
        backend:
          service:
            name: grafana
            port:
              number: 3000

2. Grafana is accessible, but the dashboard is not loading properly

Sometimes, Grafana loads, but the dashboard does not. This issue often arises due to incorrect path configuration.

Solution: Grafana expects to be run on the root of a domain by default. If you’re running Grafana under a subpath, you need to inform Grafana about this by setting the root_url option in the Grafana configuration file.

[server]
root_url = %(protocol)s://%(domain)s:%(http_port)s/grafana

3. SSL/TLS issues

If you’re using HTTPS, you might encounter SSL/TLS issues. This could be due to a missing or incorrect SSL/TLS certificate or incorrect SSL/TLS configuration.

Solution: Ensure that you have a valid SSL/TLS certificate for the domain you’re using. You can use cert-manager to automate the management and issuance of SSL/TLS certificates. Also, check your Ingress resource configuration to ensure that it’s correctly configured for SSL/TLS.

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: grafana-ingress
spec:
  tls:
  - hosts:
    - grafana.yourdomain.com
    secretName: grafana-tls
  rules:
  - host: grafana.yourdomain.com
    http:
      paths:
      - pathType: Prefix
        path: "/"
        backend:
          service:
            name: grafana
            port:
              number: 3000

Conclusion

Troubleshooting Kubernetes Nginx Ingress configuration for Grafana can be a complex task, but with the right approach, you can resolve most issues effectively. Remember to check your Ingress resource configuration, Grafana configuration, and SSL/TLS configuration. Happy troubleshooting!

Keywords

  • Kubernetes
  • Nginx Ingress
  • Grafana
  • Troubleshooting
  • Configuration
  • SSL/TLS
  • Helm
  • cert-manager
  • Ingress resource
  • Grafana dashboard
  • Data visualization
  • Data science
  • Infrastructure monitoring
  • Open-source
  • Kubernetes cluster
  • Service name
  • Port number
  • Subpath
  • Domain
  • URL
  • HTTP
  • HTTPS
  • 404 error
  • root_url
  • Protocol
  • Secret name
  • Certificate
  • Automation
  • Management
  • Issuance
  • Path
  • Backend
  • Prefix
  • Metadata
  • Rules
  • Hosts
  • Paths
  • Backend
  • Service
  • Number
  • YAML
  • INI

About Saturn Cloud

Saturn Cloud is your all-in-one solution for data science & ML development, deployment, and data pipelines in the cloud. Spin up a notebook with 4TB of RAM, add a GPU, connect to a distributed cluster of workers, and more. Join today and get 150 hours of free compute per month.

Try Saturn Cloud Now