GKE autoscaling doesn't scale
I am setting up a Kubernetes cluster on Google using the Google Kubernetes Engine. I have created the cluster with auto-scaling enabled on my nodepool. 
As far as I understand this should be enough for the cluster to spin up extra nodes if needed.
But when I run some load on my cluster, the HPA is activated and wants to spin up some extra instances but can't deploy them due to 'insufficient cpu'. At this point I expected the auto-scaling of the cluster to kick into action but it doesn't seem to scale up. I did however see this: 
So the node that is wanting to be created (I guess thanks to the auto-scaler?) can't be created with following message: Quota 'IN_USE_ADDRESSES' exceeded. Limit: 8.0 in region europe-west1.
I also didn't touch the auto-scaling on the instance group, so when running gcloud compute instance-groups managed list, it shows as 'autoscaled: no'
So any help getting this autoscaling to work would be appreciated.
TL;DR I guess the reason it isn't working is: Quota 'IN_USE_ADDRESSES' exceeded. Limit: 8.0 in region europe-west1, but I don't know how I can fix it.
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1 Answer
You really have debugged it yourself already. You need to edit the Quotas on the GCP Console. Make sure you select the correct project. Increase all that are low: probably addresses and CPUs in the zone. This process is semi automated only, so you might need to wait a bit and possibly pay a deposit.