Newest 'kubernetes' Questions

0 votes

0 answers

15 views

How to scale websocket listeners?

I'm asking about the case when your service is listening for some streams with non-stationary message intensity. Such situations are arising naturally if you for example listening for stock exchange ...

37buEr

1

asked 16 hours ago

0 votes

1 answer

33 views

K8s - Does LoadBalancer Service need NodePort?

I was going through this tutorial and it says that we need to define NodePort when using service type LoadBalancer. But I've seen implementation of LoadBalancer service types without providing ...

Mark

83

asked 19 hours ago

0 votes

0 answers

13 views

Cannot Push Log Data to Azure EventHub From Azure AKS using OpenTelemetry

I have an Azure AKS cluster and I am trying to send my container level logs to an Azure EventHub using OpenTelemetry Collector. I am deploying the OpenTelemetry Collector as a DaemonSet and below is ...

arjunbnair

63

asked 21 hours ago

0 votes

0 answers

28 views

How to monitor multiple kubernetes clusters using grafana and prometheus from a separate cluster?

I have three kubernetes clusters. (monitoring, one, two). monitoring cluster is dedicated for monitoring tools. So on monitoring cluster, I will install prometheus and grafana. On other cluster should ...

Mysterio

26

asked yesterday

0 votes

0 answers

16 views

Websocket with socket.io on K8S, how to make it work?

I hope you are well I'm having a problem when trying to open communication between my applications within Kubernetes. Currently client-server communicate through socket.io, but when adding it to ...

João Lucas Mendes de Oliveira

1

asked yesterday

0 votes

0 answers

20 views

Apisix kubernetes Discovery not work

I am using official helm chart to install the APISIX in my Kubernetes. I only override the following values from the official helm chart: useDaemonSet-> true serviceAccount -> set create to ...

paddy

1

asked yesterday

0 votes

0 answers

10 views

Public IP should not be changed when aws eks cluster and managed nodegroup is upgraded

We have used the eks cluster(current version 1.20) and managed nodegroup and used the public IPs of the nodes for our purpose so now when we upgrade the eks cluster and nodegroup with version 1.21 all ...

basava022

1

asked 2 days ago

1 vote

3 answers

62 views

Rook Ceph storage and MySQL space very big difference

Can someone please advise me what could be the cause of this condition? I have a Rook Ceph cluster on which MySQL database with 3x replication is stored. This database is used by me for development ...

JDev

123

asked 2 days ago

0 votes

1 answer

38 views

k8s pods on different EKS nodes not getting traffic

I have eks cluster with two nodes, I have four k8s services deployed in the cluster, two of them are in node-1 and the other two in node-2. I have have a Kong api gateway in front of these k8s ...

user1807948

101

asked Jun 26 at 9:23

0 votes

0 answers

51 views

Receiving Kiss of Deaths with chrony

basically I think the issue is that my company NTP server has a Stratum of 5 and it might be laggy at times - but it's maintained by other team so I don't have much info about it. Now I have tested ...

aurelius

174

asked Jun 25 at 13:08

0 votes

0 answers

35 views

Kubelet/Cadvisor on GKE not exporting container_fs_* metrics for attached volumes

In our GKE 1.27.12 cluster, we run a couple of stateful workloads using GCP Volumes, e.g. using this storage class: apiVersion: storage.k8s.io/v1 kind: StorageClass metadata: name: pd-ssd ...

antaxify

123

asked Jun 25 at 9:20

0 votes

0 answers

38 views

Longhorn distributed block storage not working with Flannel CNI (Kubernetes)

I've been reading through The Book of Kubernetes by Alan Hohn and decided I would try to get the application described in the final chapter working with the Flannel CNI rather than Calico, which is ...

Robert

33

asked Jun 24 at 19:39

0 votes

0 answers

15 views

All Kubernetes pods at my worker node getting CrashLoopBackOff status

I'm new to kubernetes and I'm having trouble to setup a functioning k8s cluster using EC2 AWS instances as nodes. My master node seems fine and also my worker node (I currently only have this to for ...

Miguel Domingos

1

asked Jun 24 at 14:42

2 votes

0 answers

31 views

Switch ingress controller to new static IP with zero downtime?

My AKS app uses a standard ingress-nginx ingress controller with a static IP, installed via Helm chart: myStaticIp=1.2.3.4 myNodeRg=MC_foobar_eastus helm upgrade --install ingress-nginx ingress-nginx ...

Max

385

asked Jun 24 at 13:12

0 votes

0 answers

34 views

GitLab web service not connecting to the registry

On an on-prem GitLab server hosted on Kubernetes, after an upgrade of GitLab to the latest version 17.1.0, I notice that the webservice fails to connect to the registry service: {"component":...

Paul

151

asked Jun 24 at 9:37

-1 votes

0 answers

25 views

DEPLOY ERROR: cpu memory error in kubernetes when i try deploy pods

Problem: I cannot start my nginx server cluster, promtail demoset and loki pod to aggregate information. Deploy code: code share Error + statics: dashboard error stats Testing: I already tried adding ...

Francesco

1

asked Jun 21 at 13:00

0 votes

0 answers

28 views

Error configuring node-exporter DaemonSet scraping for Prometheus on kubernetes - service account token missing

I have set up a node-exporter DaemonSet on kubernetes as well as a service that points to these node-exporter pods IPs (I followed this tutorial). When I run kubectl get endpoints -n monitoring, I ...

Paula Gouveia

1

asked Jun 20 at 14:45

2 votes

2 answers

70 views

How to obtain authorization to access EKS cluster

Followed this document Cert Signing to get the certificate issued. I created cluster role and role binding to test it. $ kubectl auth can-i create pods --as=myserver yes $ kubectl auth can-i list pods ...

Alexy Pulivelil

21

asked Jun 20 at 10:32

0 votes

0 answers

10 views

Efficiently Managing Dynamic Jupyter Kernels in GKE with Python Backend

I'm working on setting up an environment where I can dynamically create Jupyter notebook kernels as separate pods within a Google Kubernetes Engine (GKE) cluster. Each pod needs to have customizable ...

Lawrence Xiao

1

asked Jun 20 at 6:51

0 votes

1 answer

39 views

SOLVED - Error configuring node-exporter DaemonSet scraping for Prometheus on kubernetes

I am posting the following question already solved, because I've mistakenly posted in on StackOverflow and therefore wanted to share it here so it can be properly found by the community and hopefully ...

Paula Gouveia

1

asked Jun 19 at 13:54

0 votes

1 answer

57 views

Custom changes in Core DNS (Kube-DNS) in OKE (Oracle Cloud Kubernetes) are reverted automatically after one day

I have created an Enhanced Cluster of Kubernetes (OKE) in Oracle Cloud (OCI). Some cluster pods connect to VM instances outside OKE but in the same VCN subnet as the pods. I want these connections to ...

Sahil Aggarwal

101

asked Jun 19 at 5:33

-1 votes

0 answers

26 views

ETCD backup and restore issue

I have below question on killercoda for CKA certification Question: For this question, please set this context (In exam, diff cluster name) kubectl config use-context kubernetes-admin@kubernetes etcd-...

Abhinav Banerjee

1

asked Jun 18 at 16:39

0 votes

1 answer

61 views

Internet speed from AWS Singapore region to EU is very slow

We are running k8s cluster in AWS Singapure region. We also have self-managed EC2 NAT instance of type t3.xlarge. According to spec, it has 1 Gbps baseline speed, and burst up to 5 Gbps. When running ...

Ivan

101

asked Jun 18 at 13:57

0 votes

1 answer

44 views

Unable to start metrics server on eks fargate

I am trying to implement eks on fargate. I want to deploy metrics server on eks fargate. I am following official documentation from aws on eks. https://docs.aws.amazon.com/eks/latest/userguide/metrics-...

Sheersh Jain

1

asked Jun 18 at 6:47

0 votes

0 answers

19 views

Is it possible to configure `kubectl exec` to behavior the same way as `ssh` when there is a client disconnect?

Empirically, it looks like kubectl exec and ssh behave differently on disconnects of the client. I performed the following experiments. SSH # Terminal 1 ssh <random_host_in_aws> bash -c 'sleep ...

merlin2011

273

asked Jun 17 at 20:29

0 votes

0 answers

39 views

Expose local kubernetes function to my pc

So I have a function running in my kubernetes cluster. NAME BUILDSTATE SERVINGSTATE BUILDER SERVING ADDRESS AGE minio-event ...

David Backx

1

asked Jun 17 at 11:02

0 votes

1 answer

30 views

Kubernetes frontend service latency much higher than Docker Compose-based setup

I am experiencing a latency issue with my Kubernetes setup compared to a Docker Compose setup. When making a request to the frontend service on Kubernetes, it takes close to 10 seconds to respond, ...

migdsb

101

asked Jun 16 at 19:10

0 votes

1 answer

47 views

DNS as host of http input Logstash

Can I specify the service name in Logstash input plugin? I'm deploying Opensearch with logstash in local Kubernetes cluster. And i have a java application in local kubernetes with service: kind: ...

Антон Сивоконь

1

asked Jun 16 at 12:08

0 votes

0 answers

31 views

Kubernetes podAntiAffinity not working in deployments

I have two different deployments that I need to have their pods be scheduled in different nodes in the cluster. For this I am adding this podAntiAffinity configuration: template: metadata: ...

icordoba

111

asked Jun 14 at 14:22

1 vote

0 answers

19 views

k8s nginx ingress proxy_redirect

I'm trying to achieve this simple configuration on a kubernetes nginx ingress controler: location /path1/ { proxy_pass http://server-1:8000/; proxy_redirect http://...

Julien

164

asked Jun 14 at 13:52

0 votes

0 answers

26 views

Error in the master pod while installing Dremio in Kubernentes

I am trying to install Dremio in Kubernetes using Helm (I have followed this guide). As the distirbuted storage, I am using a S3 compatible object store hosted in a Dell EMC PowerScale. I have some ...

Max Red

1

asked Jun 14 at 13:24

0 votes

0 answers

26 views

Busybox containers require keep alive loop/parameter

By starting deployment with busybox as an image: kubectl create deployment test-deployment --image=busybox --dry-run=client --output=yaml > test-deployment.yaml kubectl apply -f test-deployment....

czezz

11

asked Jun 14 at 12:06

0 votes

0 answers

18 views

Metrics-server on a 1.25+ k8s cluster

I’m struggling with a metrics-server on a freshly installed 1.28 cluster. I’ve downloaded the recent 0.7.1 components yaml, but as far as I can see from logs (I relaunched the metrics-server with --v=...

drookie

8,841

asked Jun 13 at 17:41

1 vote

0 answers

20 views

AKS, how to have kubectl label nodes be persistent

I need some node affinity in some deployments (specifically to have DinD, docker in docker, run one per node in my cluster). I need to have multiple DinD but only one of the per nodes. I add for ...

icordoba

111

asked Jun 13 at 15:11

0 votes

1 answer

64 views

Memory & CPU Utilization drastically different for AKS

I am planning to use Descheduler in my AKS deployment to balance memory consumption of AKS nodes. My current output of kubectl top nodes is: NAME CPU(cores) CPU% ...

Abdul

3

asked Jun 12 at 16:03

0 votes

0 answers

45 views

kubernetes etcd failed to publish local member to cluster through raft

Environment Background: kubernetes configured 3 master and 3 worker node Kubernetes is configured component by component following https://github.com/kelseyhightower/kubernetes-the-hard-way. ...

gcngov

101

asked Jun 12 at 14:09

1 vote

0 answers

24 views

Bad gateway return with k8s traefik ingress when firewalld is enable

Here is the definition of my problem. I have a single node kubeadm cluster running on fedora cloud 40 VMs with vagrant. I activated firewalld with this configuration: kubernetes sources: 10.0.0.0/8 ...

Manuel L.

11

asked Jun 10 at 13:33

0 votes

0 answers

50 views

Packet flow of kubernetes cilium CNI

I have a kubernete cluster with cilium replacing kube-proxy. The nat iptables looks like the following: Chain PREROUTING (policy ACCEPT) target prot opt source destination ...

William

181

asked Jun 9 at 8:56

0 votes

0 answers

16 views

Nginx ingress not resolving with I use host in spec rule

I am using nginx ingress with cert manager. Somehow this fails to resolve and I get a timeout when I try to access api-staging.example.io. I am using Azure Kubernetes Service. Everything works if I ...

Roshan Singh

1

asked Jun 9 at 0:39

0 votes

1 answer

63 views

Containers can't resolve hostname rke2 cluster

I am currently running into a problem around connecting to websites from an rke2 container. Whenever I try to connect to a site from inside of a container I receive an unknown host error. for example ...

Mudrock

1

asked Jun 8 at 13:40

0 votes

1 answer

57 views

When trying to connect to the cluster via lens: Failed to get /version for clusterId=id Internal Server Error

I am trying to connect to my kubernetes cluster which was spunup using kubeadm on aws instances. I am using lens desktop app on windows. My kubeconfig file apiVersion: v1 clusters: - cluster: ...

अజయ్

1

asked Jun 8 at 11:13

0 votes

0 answers

26 views

ServiceMonitor Relabeling EC2 Instance Tags Not Working in Kube-Prometheus-Stack

I'm using the kube-prometheus-stack Helm chart to deploy Prometheus and configure ServiceMonitors for monitoring EC2 instances with the Node Exporter. I have configured the ServiceMonitor to relabel ...

TomerA

1

asked Jun 7 at 17:40

0 votes

1 answer

68 views

Not possible to update Helm AWS TargetGroupBinding

I have a helm chart that contains a TargetGroupBinding {{- range $v := .Values.targetBindings }} apiVersion: elbv2.k8s.aws/v1beta1 kind: TargetGroupBinding metadata: name: {{ include "...

James Gedny

1

asked Jun 6 at 14:26

1 vote

1 answer

88 views

How can multiple NGINX pods in Kubernetes write logging into their own separate files?

I have an NGINX installation (used as a web proxy) inside a built Docker image in Kubernetes that will eventually have to be upgraded to run multiple pods to handle the traffic volume. The log output ...

semmelbroesel

115

asked Jun 5 at 23:25

0 votes

1 answer

52 views

ClusterIssuer Failed to register ACME account with cert-manager

I installed cert-manager with kubectl kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.15.0/cert-manager.yaml I successfully obtained my resources : my_user@vps-...

a.moussa

101

asked Jun 5 at 22:08

0 votes

1 answer

133 views

Building SAMBA AD DC container with Docker and Kubernetes gives wrong content to volumes

I am building a container for Kubernetes that runs a SAMBA Active Directory Domain Controller. I am doing the job through Ansible and the container is being deployed in a Kubernetes cluster (K3S). ...

Lasse Michael Mølgaard

1,055

asked Jun 5 at 21:37

0 votes

0 answers

60 views

very strange error HA k8s cluster with haproxy as load balancer

I am trying to create k8s cluster with haproxy as external load balancer ( 2 haproxy nodes, 3 control planes , 3 workers) currently am still trying with 2 haproxy and 2 control planes ERROR : ...

robinmetro1

1

asked Jun 5 at 20:01

0 votes

0 answers

6 views

Elasticsearch Lifecycle policy losing configuration

I have Kibana, Elasticsearch, and Filebeat running in an AKS cluster. Filebeat is configured to capture logs from a few applications in my cluster, send to an index created each day, apply an ingest ...

Ricardo Lima

1

asked Jun 5 at 17:50

0 votes

1 answer

53 views

Rook-ceph. Blok Storage. FailedAttachVolume. Pod of sample is not started

I installed ceph cluster in kuber according to the instructions https://rook.io/docs/rook/v1.12/Getting-Started/intro/ on 3 nodes wn-1 - /dev/sdb 200 GB HDD wn-2 - /dev/sdb 200 GB SSD wn-3 - /dev/...

Igor Nazarov

1

asked Jun 5 at 11:02

0 votes

0 answers

19 views

How to see logs of crashed pods in a kubernetes cluster

A pod in the Kubernetes cluster has crashed and restarted so many times (150+) to match the replica count in the cluster. Due to this much of restarts, I am unable to troubleshoot, see the logs of the ...

Sathya

1

asked Jun 5 at 7:12

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