Ansible Role: Grafana for Kubernetes

Ansible role to install Grafana on Kubernetes.

Role Variables

# Image used
kubernetes_grafana_image: "grafana/grafana:latest"

# Namespace
kubernetes_grafana_namespace: "default"
# App name (used as selector)
kubernetes_grafana_app: "grafana"
# Deployment name
kubernetes_grafana_deployment: "grafana-deployment"
# Service name
kubernetes_grafana_service: "grafana"

# Number of replicas
kubernetes_grafana_replicas: 1
kubernetes_grafana_revision_history: 1

# Node selector
kubernetes_grafana_node_selector: {}

# Add custom labels in the deployment metadata section
kubernetes_grafana_deployment_labels: {}
# Add custom annotations in the deployment metadata section
kubernetes_grafana_deployment_annotations: {}

kubernetes_grafana_resources:
  limits:
    memory: "512Mi"
  requests:
    memory: "64Mi"

# Setup ingress for grafana
kubernetes_grafana_setup_ingress: false
kubernetes_grafana_ingress:
  name: "grafana-ingress"
  host: "grafana.example.com"
  annotations:
  tls:

# config written in /etc/grafana/grafana.ini
# Dictionary composed of sections as keys, themselves having a dict as value
# with `option_name: value`
kubernetes_grafana_config: {}

### Volumes ###

# For each volume, `definition` and `subPath` can be used. Their content is
# exactly what would be in a Kkubernetes pod manifest.

# Data volume. Mounted in /var/lib/grafana/ (see examples for more details)
kubernetes_grafana_data_volume:
  definition:

Dependencies

Kubectl needs to be installed on the host targeted by the role.

Example Playbook

- hosts: kube-master
  run_once: true
  vars:
    kubernetes_grafana_data_volume:
      # This volume will be mounted as /var/lib/grafana
      subPath: "data"
      definition:
        glusterfs:
          endpoints: gluster-example-cluster
          path: grafana
          readOnly: false

    kubernetes_grafana_setup_ingress: true
    kubernetes_grafana_ingress:
      name: "grafana-ingress"
      host: "grafana.example.com"
      annotations:
        kubernetes.io/tls-acme: "true"
      tls:
        - secretName: "grafana-ingress-tls"
          hosts:
            - "grafana.example.com"
    kubernetes_grafana_config:
      default:
        instance_name: grafana.tld
      database:
        url: mysql://user:secret@host:port/database
  roles:
    - role: Anthony25.kubernetes_grafana

Use run_once to run the role on only one available master in the cluster.

License

Tool under the BSD license. Do not hesitate to report bugs, ask me some questions or do some pull request if you want to!