GCP loadbalancer controller

This controller is for Kubernetes environments and provisions GCP loadbalancer infrastructure for services of type LoadBalancer.

Currently Supported load balancers:

1. External passthrough network load balancer.

Configuration:

Annotation	Description
gcp-lb-controller/hc-port	The port used to create health check. If not provided, first port in the service spec will be used.
gcp-lb-controller/regional-migs	Comma separated regional managed instance groups. These should be in the same region as the cluster resources. If not provided zonal unmanaged instance groups will be created for all nodes in the cluster.
gcp-lb-controller/zonal-migs	Map of zonal managed instance groups, for example "{\"us-central1-a\":\"instance-group-1\"}". These should be in the same region as the cluster resources. If not provided zonal unmanaged instance groups will be created for all nodes in the cluster.
gcp-lb-controller/static-ip-name	Static ip address resource name for the load balancer, this needs to be in the same region as the cluster.

Command line arguments

1. network: The network name of the instance, this is required.
2. shared-vpc-project-id: Shared VPC project id. The project id of the instance will be used if not provided.

Build and deploy

1. Use the Dockerfile to build the image and deploy using the manifests provided in k8s.
2. Add the label gcp-lb-controller=reconcile to the services to enable provisioning the load balancer using the controller.
3. Debug logs can be enabled by setting the environment variable RUST_LOG=debug.

Tools:

1. Rust
2. kubectl

Contributing

See CONTRIBUTING.md for details.

License

Apache 2.0. See LICENSE for details.

Disclaimer

This project is not an official Google project. It is not supported by Google and Google specifically disclaims all warranties as to its quality, merchantability, or fitness for a particular purpose.