Nginx Ingress Integrator docs - index

Ingress in the Kubernetes context is defined as “An API object that manages external access to the services in a cluster, typically HTTP. Ingress may provide load balancing, SSL termination and name-based virtual hosting.”

To enable ingress via Nginx for sidecar charms, we’ve created this nginx-ingress-integrator charm. To use this charm you’ll need to have an Nginx Ingress Controller deployed into your K8s cluster.

The charm can be configured via a relation (see this page for details on the ingress library as an easy method of integrating Operator Framework charms with it), or via juju config directly.

The reason for offering both relation and direct juju config support is that providing the relation means charm authors can make the experience better for end users by implementing the relation, but if a charm doesn’t yet implement the relation it can still be used with this charm and configured manually.

The charm supports the following via the relation:

  • Rate limiting (with a whitelist for exclusions by CIDRs)
  • Setting maximum allowed body size for file uploads
  • Configuring retrying of errors against the next server
  • A session cookie to use for cookie-based session affinity, and the age of that cookie
  • The TLS certificate to use for your service if applicable

All of these options can also be configured at deploy time. In addition there’s also an ingress-class option to use, in the case that your cluster has multiple ingress controllers. This allows you to target the correct one.

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