使用 Google Serverless VPC 访问具有云功能的 GKE pod

Question

I have created a GKE private cluster, with some pods live in it. Now I want to integrate my pods with cloud function provided by GCP. To achieve this, I use Serverless VPC access, because my GKE cluster lived on a custom.network on another region and use Internal Load Balancer for my pods.

It seems successful, because I have tested to access my pods internal IP from GCE lived in the same.network and tested to access my GCE VM from Cloud Function, but when I try to access my pod internal IP from the Cloud Function, it always returns timeout.

The HTTP request failed with error %s
Get http://172.16.0.42: dial tcp 172.16.0.42:80: i/o timeout

I expect the Serverless VPC access will connect my cloud function to my pod Internal IP, like it connects my cloud function to GCP VM with same.network with my pod.

Answer 1

I know that the question was asked almost 3 years ago. May answer will be useful for somebody.

We can make internal load balancer using LoadBalancer type and annotation cloud.google.com/load-balancer-type: "Internal"

Should be smth like this:

apiVersion: v1
kind: Service
metadata:
  name: service_name
  annotations:
    cloud.google.com/load-balancer-type: "Internal"
  labels:
...
spec:
  type: LoadBalancer
  selector:
...
  ports:
...