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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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EFS endpoint not resolving in kubernetes cluster

I have a K8S cluster launched using kops with topology=private and networking=weave. Want to mount an EFS volume to my pods but the EFS endpoint is not resolving inside pods. I suspect because of internal routing(weave) the name resolution is not…
Akhil KM
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kubernetes : error listing nodes

I provisioned kubernetes cluster using kops: kops create cluster \ --zones ap-southeast-1a \ --dns-zone=${DNS_ZONE} \ --node-count 3 \ --vpc=${VPC_ID} \ --subnets=${SUBNET_ID} \ ${NAME} Ec2 instances are provisioned and I…
prranay
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How to restore kubernetes cluster using kops?

How do I restore kubernetes cluster using kops? I've kubernetes state files in my s3 bucket. Is there a way to restore kubernetes cluster using kops?
prranay
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Disable IPv6 in Docker containers on K8s created by Kops on AWS

I'm running k8s 1.9.3 created with Kops on AWS. All my containers get ipv6 address (in addition to ipv4). The ipv6 localhost in the /etc/hosts seems to break my application's framework. I'm looking for a reliable way to disable ipv6 inside the…
ArAr
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AWS EKS : Do I need to remove kube-dns before install external-dns?

I'am testing Amazon EKS and I'd like to know if I need to remove kube-dns if I'd like to use external-dns instead ? Today I'am using KOPS to create K8S clusters in AWS. And I'am using the cluster-internal DNS server (kube-dns) with the flag…
Fred Mériot
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How to handle multiple AWS accounts in Kops?

Can I pass AWS creds to Kops CLI or programmatically? How to handle multiple AWS accounts?
Punit Naik
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Unable to update kops cluster - DNS lookup error

error doing DNS lookup for NS records for "kubernetes.xxxx.xxx": lookup kubernetes.xxxxxxxx.xxx on 10.0.2.3:53: read udp 10.0.2.15:56154->10.0.2.3:53: i/o timeout only my kops update cluster throws the following all other commands looks fine here…
Gaudam Thiyagarajan
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How to setup an audit policy into kube-apiserver?

I've been reading about how to setup audit in kubernetes here which basically says that in order to enable audit I have to specify a yaml policy file to kube-apiserver when starting it up, by using the flag --audit-policy-file. Now, there are two…
jotadepicas
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Kubernetes - How to list all pods running in a particular instance group?

How can I list, using command line, all the pods running in the nodes of a particular instance group? For example, if I have instancegroup "Foo", which has let's say three nodes, N1, N2, and N3, that in turn have pods A and B running on N1, pods C,…
jotadepicas
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How to override kops' default kube-dns add-on spec

We're running kops->terraform k8s clusters in AWS, and because of the number of k8s jobs we have in flight at once, the kube-dns container is getting OOMkilled, forcing us to raise the memory limit. As for automating this so it both survives cluster…
Karen B
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Share AWS KOPS user with another developer

I have created a development deployment for an application using kops, kubectl, and EC2. When I set up this deployment, I created a Kops IAM user as specified in this guide. Everything has worked fine for me managing this deployment. I am now…
Lamar
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How to use alb-ingress-controller in k8s cluster which installed by kops on AWS?

Want to use alb-ingress-controller on AWS. Have installed k8s cluster by kops. Followed this guide use alb-ingress-controller: https://github.com/coreos/alb-ingress-controller/blob/master/docs/walkthrough.md When check logs after run $ kubectl apply…
online
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How to do cluster autoscaler for k8s which installed by kops on AWS?

Follow this guide to create cluster autoscaler on AWS: https://github.com/kubernetes/autoscaler/tree/master/cluster-autoscaler/cloudprovider/aws --- apiVersion: extensions/v1beta1 kind: Deployment metadata: name: cluster-autoscaler namespace:…
online
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How can I specify a cluster CIDR when using kops?

I am a little unsure about how to ensure I do not have overlapping CIDRs when using kops to create multiple clusters. I know it's possible to specify the --cluster-cidr when using the kube-control-manager, but I can't seem to find a way of doing…
syscll
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How to create Kubernetes Cluster using Kops with insecure registry?

I have to create a cluster with support of insecure docker registry. I want to use Kops for this. Is there any way to create cluster with insecure registry using Kops?
Nur Rony
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