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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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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…
neokyle
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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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Blue / Green deployment using one or more k8s clusters?

What are the reason to consider using one k8s cluster for blue and one for green when doing B/G CD scenario ? Does the cost of having two clusters which already have cloud provider HA has reasoning ?
eugeneK
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Tomcat/TomEE creates lots of DEBUG logs on Google KubernetesEngine, but not on plain Docker

We deploy our application on TomEE 7.0.3 (Tomcat 8.5.11) in Docker images. The production platforms run on Google Kubernetes Engine clusters while development, staging and so on run as plain Docker containers on Linux servers. On production we see…
f.sh
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Why GCP Kubernetes Node host location for europe-north1 seems to be in US?

I am new to both Google Cloud Platform and K8s. I have launched Kubernetes cluster in GCP and chosen europe-north1 as the region (europe-north1-a as the zone). When I try to run my application on this cluster it fails because it expects the…
Umeetiusbaarus
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Kubernetes (K8S): TCP clients waiting very long timeout on connection to a Service when there are no Pods serving its requests

My problem occured when using Redis on Kubernetes, but it seems that it is not a problem with Redis itself, but with network/infrastructure. My scenario: I have a Redis Service with single Redis Pod serving it. I connect Redis Client to the…
rideronthestorm
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POD services in Kubernetes not opening from google cloud

I installed kubernetes 3 node cluster in google cloud virtual machines.All PODS are working fine inside the network but I am not able to expose the service url outside google cloud.
debasis maity
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Why do GKE container optimized OS node external interfaces listen on pop/imap ports?

Using Google Container Engine (GKE) with Container Optimized Images the external interfaces (ephemeral IPs) seem to be listening on ports 110, 143, 993, 995, etc. as demonstrated via a port scan with nmap: Nmap scan report for…
mbrevoort
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Why conjure-up (and not apt) for Kubernetes on Ubuntu?

I would like to know what is the rational for the use of conjure-up on Ubuntu to install Kubernetes? As far as I know there are Debian packages for Kubernetes. As a long-time Debian and Ubuntu user I am a bit puzzled on why to have to use a system…
Tiago Antao
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