LoadBalancer

Service

The following mess is based on:

And that's because of

https://cloud-provider-vsphere.sigs.k8s.io/concepts/in_tree_vs_out_of_tree.html

whoami/service-lb.yml

apiVersion: v1
kind: Service
metadata:
  name: whoami-lb
  namespace: __NAME__
  annotations:
    service.beta.kubernetes.io/aws-load-balancer-type: external
    service.beta.kubernetes.io/aws-load-balancer-scheme: internet-facing
    service.beta.kubernetes.io/aws-load-balancer-ip-address-type: dualstack
    service.beta.kubernetes.io/aws-load-balancer-nlb-target-type: ip
    service.beta.kubernetes.io/aws-load-balancer-healthcheck-protocol: TCP
    service.beta.kubernetes.io/aws-load-balancer-healthcheck-healthy-threshold: "2"
    service.beta.kubernetes.io/aws-load-balancer-healthcheck-unhealthy-threshold: "2"
    service.beta.kubernetes.io/aws-load-balancer-healthcheck-timeout: "1"
    service.beta.kubernetes.io/aws-load-balancer-healthcheck-interval: "10"
    service.beta.kubernetes.io/aws-load-balancer-cross-zone-load-balancing-enabled: "true"
    service.beta.kubernetes.io/aws-load-balancer-target-group-attributes: deregistration_delay.timeout_seconds=3,deregistration_delay.connection_termination.enabled=true,stickiness.enabled=false,load_balancing.cross_zone.enabled=true
spec:
  selector:
    app: whoami
  ports:
    - port: 80
      targetPort: 8000
  type: LoadBalancer

Service will target pods where label app equals whoami

spec:
  selector:
    app: whoami

and apply. Check in Lens Network > Services

While waiting for AWS, test Lens service expose.

multiple ports

Let's try adding multiple ports

apiVersion: v1
kind: Service
metadata:
  name: whoami-lb
  namespace: __NAME__
  annotations:
    service.beta.kubernetes.io/aws-load-balancer-type: external
    service.beta.kubernetes.io/aws-load-balancer-scheme: internet-facing
    service.beta.kubernetes.io/aws-load-balancer-ip-address-type: dualstack
    service.beta.kubernetes.io/aws-load-balancer-nlb-target-type: ip
    service.beta.kubernetes.io/aws-load-balancer-healthcheck-protocol: TCP
    service.beta.kubernetes.io/aws-load-balancer-healthcheck-healthy-threshold: "2"
    service.beta.kubernetes.io/aws-load-balancer-healthcheck-unhealthy-threshold: "2"
    service.beta.kubernetes.io/aws-load-balancer-healthcheck-timeout: "1"
    service.beta.kubernetes.io/aws-load-balancer-healthcheck-interval: "10"
    service.beta.kubernetes.io/aws-load-balancer-cross-zone-load-balancing-enabled: "true"
    service.beta.kubernetes.io/aws-load-balancer-target-group-attributes: deregistration_delay.timeout_seconds=3,deregistration_delay.connection_termination.enabled=true,stickiness.enabled=false,load_balancing.cross_zone.enabled=true
spec:
  selector:
    app: whoami
  ports:
    - port: 80
      targetPort: 8000
    - port: 8000
      targetPort: 8000
  type: LoadBalancer

You have reached the end of this section! Continue to the next section:

4. ClusterIP