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Questions tagged [kubernetes]

Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions. Using the concepts of "labels" and "pods", it groups the containers which make up an application into logical units for easy management and discovery.

Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions. Using the concepts of "labels" and "pods", it groups the containers which make up an application into logical units for easy management and discovery.

For more details, visit the official Kubernetes page.

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Why should Cloudflare LB point to another AWS/GC/etc. LB?

I am aware Cloudflare has a security focus, but considering it also provides load balancing, why should I have it point to yet another load balancer e.g. AWS ELB?
atkayla
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Managing group memberships in kubernetes (GKE)

I'm administering a k8s cluster (on Google Kubernetes Engine if it matters) and would like to apply a fairly fine-grained RBAC role to all of our users that aren't service accounts. From reading documentation, I gather that groups are a bit of a…
T. Seeker
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Increasing the size of a PersistentVolumeClaim on GKE

I've heard that in later versions of Kubernetes (1.9 onwards if I'm not mistaken; I have 1.10), it's possible to expand a PersistentVolume as long as allowVolumeExpansion: true is set in the StorageClass configuration. In my case, on GCP, the…
Chris Watts
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Can we install a Kubernetes cluster on RHEL atomic hosts?

We want to install an on premise Kubernetes cluster. We have a license for RHEL and RHEL atomic. I know Red Hat has its own Kubernetes based platform called OpenShift. OpenShift can be installed on Centos7/RHEL7 but I read it's the best to install…
DenCowboy
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Kubernetes Influx DB - Backend Unhealthy

I am trying to deploy Influx DB on Kubernetes. Using the official Influx DB Helm chart. I am deploying this Helm chart with the following values file: persistence: enabled: true size: 5Gi ingress: enabled: true # tls:…
Noah Huppert
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Executing a script in a Docker container in K8s

I am experiencing some odd behaviors when executing a script in a k8s/Argo workflow step. To start with, where I start the Metamap Tagger servers (see code snippet below), instead of waiting till each has completed before executing the next…
horcle_buzz
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404s for service endpoints when using ingress with Gcloud

I'm working with k8s and gcloud to deploy a multi-service application with Ingress being responsible for routing requests to a specific service. K8s and generally infrastructure is a new area of learning for me so it's been very trial and error so…
2bittester
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Traefik doesn't pick TLS certificates secrets from the ingress definition in Kubernetes

I have raised this exact query at stackoverflow as well, as, interestingly, "Traefik" and "Kubernetes-Ingress" tags are absent on ServerFault, but present on StackoVerflow. When I only add the TLS secret to the Ingress, Traefik serves it's default…
Paddy
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Changing GKE cluster subnet

I need to change the IP range of the subnet used for a GKE cluster. Ideally, I would like to just change the subnet and have the everything just work, but that obviously does not work, as my new ranges are not a superset of the existing range. Short…
chriscowley
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How can I guarantee/reserve resources for kube-system?

Ok so at work we were planning to scale down the number of nodes in Azure Kubernetes service. Before doing this I wanted to see what would happen if I overloaded the nodes on a test cluster. On a 3 node test cluster I wrote a overload.yaml which…
neoakris
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Encrypted config kubernetes on Google Cloud

I recently saw this page on the ability to encrypt secrets at rest. I am currently running kubernetes on Google Cloud, but I can't figure out how to set it up with the kube-apiserver. Any help is appreciated.
user477460
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Rancher 2.0.4 multipleIP on worker

I setup multiple IPs on host with working node for rancher 2 Host is pingable from outside world on each of this IP. But not doesn't see this IP and if I configure hostport to IP:port format, I get still connection to base IP of this node. If start…
Dennis Ananyin
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Tcp port forwarding in Google cloud to gke cluster

I am fairly experienced with kuberenetes but very new to Google cloud. I have an haproxy-ingress controller running with nodeports of 30080 30443. I need to have a static IP that can forward port 80 and 443 to those ports with proxy protocol to all…
Jordan Davidson
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Azure AKS Pods stuck in "ContainerCreating"or "Terminating" state

I'm learning to create AKS pods, and seem to have broken something. kubectl get pods NAME READY STATUS RESTARTS AGE mysql-6977c54cf5-z6xtw 0/1 ContainerCreating 0 12m mysql-6977c54cf5-z97lm…
Gavin Hill
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Using private docker registry with Helm in Kubernetes error

this is probably fairly simple, but I'm kind of lost here so any help would be appreciated. I followed the instructions to set up a private docker registry over here:…
Neekoy
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