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Questions tagged [kops]

Kubernetes Operations is a cluster management utility for Kubernetes clusters. Questions about cluster installation and management are OFF TOPIC for Stack Overflow.

Kubernetes Operations is a deployment utility for clusters.

Stack Overflow questions must be programming-related, and questions about installing or upgrading Kubernetes clusters are off topic. These questions may be better asked on another tack Overflow site, like Server Fault or DevOps Stack Exchange.

395 questions
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Kubernetes AWS Load Balancer is Out of Service

I have deployed my spring boot application to AWS Load Balancer with service.beta.kubernetes.io/aws-load-balancer-ssl-cert: and service.beta.kubernetes.io/aws-load-balancer-backend-protocol: http; the application (pods and service) is running, but…
DevNG
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eksctl create failed one subnet does not have sufficient capacity to support the cluster

I'm trying to create a cluster on EKS by the existing vpc of kops cluster in EC2 like below. eksctl create cluster \ --name eks-cluster \ --version 1.18 \ --region us-east-1 \ --vpc-from-kops-cluster kops-cluster \ --fargate but I faced the error…
sunsets
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how to make ebs pvc accessible from different pods running on different nodes in kops cluster in aws

I am trying to migrate my deployment from the Minikube platform to the KOPS cluster in AWS. In my deployment, I have multiple pods that share the same pvc(persistent volume claim). Therefore, accessing ebs pvc from different pods in the KOPS cluster…
Kyaw Min Thu L
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How can I access AWS from a pod running under EKS/KOPS Cluster?

I have a pod which I plan to run under EKS & KOPS managed cluster. The pod does some calculations and I want to write the results to DynamoDB. How can I access AWS DynamoDB from it? Also, say I want to package it using helm, is there an option that…
Gneando
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Kubernetes - Too many open files

I'm trying to evaluate the performance of one of my go server running inside the pod. However, receiving an error saying too many open files. Is there any way to set the ulimit in kubernetes? ubuntu@ip-10-0-1-217:~/ppu$ kubectl exec -it…
Srikanth Bhandary
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How to curl container deployed on Kubernetes?

I built my Docker image and uploaded it to Amazon ECS (image repository). I've written a deployment.yaml file and ran kubectl apply -f deployment.yaml. Worth noting I've used kops to deploy the K8s cluster to AWS EC2 I can see the containers are…
user10706046
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is it possible to add nodes to the Kubernetes cluster created via Kops without changing instance groups?

I want to add the node to the Kubernetes cluster created via kops. I know it is possible to do it with a changing number of nodes in the instance group. but I'm looking for different kinds of solutions because I already have some ec2 instances (in…
Shubham Koli
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Ingress-nginx controller does not run ELB properly in AWS EC2 Kubernetes Cluster

I create cluster with kops utility on AWS EC2. Right now I am trying to configure ingress-nginx controller so it routes all traffic in my cluster. I need it handles HTTP, HTTPS and WebSocket connections. Based on this guide I made all required…
matterai
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Horizontal Pod Autoscaler replicas based on the amount of the nodes in the cluster

Im looking for the solution that will scale out pods automatically when the nodes join the cluster and scale in back when the nodes are deleted. We are running WebApp on the nodes and this require graceful pod eviction/termination when the node is…
DenisTs
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Unable to create cluster with Kops command

I am having an issue while creating a k8 cluster with kops command. This is the error i was getting when i am trying to create cluster. W1104 16:31:41.803150 18534 apply_cluster.go:945] **unable to pre-create DNS records - cluster startup may be…
vishwa
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Problem : creating a kubernetes cluster on AWS using Kops

I'm setting up a new Kubernetes cluster on AWS using kops. I have a domain name, domainname.com, and a subdomain, subdomain.domainname.com. I configured AWS Route53 to add a hostedZone which has the same name as subdomain.domainname.com. On my…
Mohamed Kefi
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How to configure KOPS to designate a CIDR other than 172.17 for Docker?

kops create by default sets up a 172.17.0.0/16 for the Docker network (docker0 interface). This conflicts with our VPC in AWS which uses the same CIDR. I need KOPS to designate a different CIDR for docker when creating the cluster, but I''m not…
Michael Martinez
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Kops rolling-update fails with "Cluster did not pass validation" for master node

For some reason my master node can no longer connect to my cluster after upgrading from kubernetes 1.11.9 to 1.12.9 via kops (version 1.13.0). In the manifest I'm upgrading kubernetesVersion from 1.11.9 -> 1.12.9. This is the only change I'm making.…
dredbound
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How do I modify kube-apiserver parameters when provisioning a cluster using kops?

the kube-apiserver isn't running /var/log/kube-apiserver.log has the following: Flag --address has been deprecated, see --insecure-bind-address instead. Where are these values stored / configured? I mean yes the originate from my kops config,…
Chris Stryczynski
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Horizontal Pod Autoscaler (HPA): Current utilization: with custom namespace

UPDATE: I'm deploying on AWS cloud with the help of kops. I'm in the process applying HPA for one of my kubernete deployment. While testing the sample app, I deployed with default namespace, I can see the metrics being exposed as below ( showing…
Nagarjuna D N
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