All Questions
Tagged with kubernetes cluster
42
questions
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 ...
- 1
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 ...
- 123
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 ...
0
votes
0
answers
120
views
AWS application load balancer not registering targets for Kubernetes EKS node target group
I have an EKS cluster with public/private access on a VPC with public and private subnets. I've setup my ALB in the public subnets on port 80, internet-facing and ip and installed the AWS controller ...
0
votes
0
answers
113
views
Deploy a Redis cluster in Kubernetes with High Availability
I am looking at deploying a Redis cluster (3masters, 3workers/slaves) on Kubernetes.
I found the Redis Operator as being the best option but the “capability level” doesn’t look that attractive to me.
...
2
votes
3
answers
112
views
Setting up a cluster with workload distribution
I want to setup a server cluster which can keep by servers as busy as possible while still giving fair compute time to everyone. I have setup a basic Kubernetes setup but the issue is that if some ...
- 21
0
votes
0
answers
55
views
Deploying Multi-Cluster/Multi-Region Gateway AND have redundant stateful services with GKE Autopilot?
I want two clusters to each be in a different region so I have basic region redundancy. Some of the services I want to run are stateful (which includes keeping track of user sessions). I am not ...
google-cloud-platform
0
votes
0
answers
28
views
Possible to deploy service to GKE Autopilot cluster without YAML?
Is it possible to deploy to GKE Autopilot cluster without YAML and just command line? I have inherited a project where deployment generates command line to deploy to CloudRun. I am in the process of ...
- 1
1
vote
2
answers
322
views
Access to Kubernetes service non-HA or HA cluster
My setup has previously been one control node (non-HA) and a few worker nodes on Kubernetes. New I'm building up a new cluster with three control nodes (HA) and 9 worker nodes. Connection from browser ...
- 111
0
votes
0
answers
59
views
Kubernetes Load Balancing with Redis Cluster and microservices
I have the following scenario:
N kubernetes Nodes
A redis cluster with N instances, each node has a single instance
There are requests coming into the nodes in a round-robin format
After the requests, ...
1
vote
0
answers
460
views
Can not start etcd cluster when setting up a HA K8S cluster
I am following this article to set up a HA k8s cluster:
Guide: Kubernetes Multi-Master HA Cluster with kubeadm
I have three master nodes(3,4,5) and four worker nodes(2,6,7,8) (one of the worker nodes ...
- 111
0
votes
1
answer
860
views
"CrashLoopBackOff" while deploying mysql on multi-node cluster
This is my configmap.yaml file:
apiVersion: v1
kind: ConfigMap
metadata:
name: mysql
labels:
app: mysql
app.kubernetes.io/name: mysql
data:
primary.cnf: |
# Apply this config only ...
- 427
0
votes
1
answer
1k
views
kube-apiserver logs that certificate has expired but it's not
kube-apiserver pod print following log:
authentication.go:104] Unable to authenticate the request due to an error: x509: certificate has expired or is not yet valid
I already renewed all certs
renew ...
- 31
0
votes
1
answer
718
views
Multi-Master K8S cluster fails when half of the masters are down
i have a 4 masters HA K8S cluster , (accross 2 datacenters , 2 in each site) , but the kubectl command stops working after shuting down 2 masters , is this the expected behaviour?
I want the cluster ...
- 3
0
votes
1
answer
267
views
Pod running kubectl trying to reach external cluster
I am using a pod (image bitnami/kubectl) in a kubernetes cluster (clusterA) but kubeconfig is set to point to another cluster (clusterB).
Using on premises kubernetes 1.21.7 (on VMs) installed via ...
- 215
1
vote
1
answer
743
views
Accessing Kubernetes services in the cluster from outside of the local network - Bare Metal
I'm running a simple bare-metal multi-master "high availability" enviroment with 2 masters and 2 workers, as well as another VM with HAProxy serving as external Load Balancer.
My question is:...
- 13
0
votes
1
answer
616
views
No Pods reachable or schedulable on kubernetes cluster
I have 2 kubernetes clusters in the IBM cloud, one has 2 Nodes, the other one 4.
The one that has 4 Nodes is working properly but at the other one I had to temporarily remove the worker nodes due to ...
- 131
0
votes
0
answers
488
views
k3s pods not deployed on correct node
I have a k3s cluster with several nodes, let's say 3 nodes. On each node, I have several pods to deploy. It's a "static deployment", meaning that I want to deploy each pod on a specific node....
- 121
1
vote
1
answer
1k
views
Attribute a static public ip for a pod in kubernetes and specify in service
As per Link , we can create pods with multiples networks , if the application opens port with non-default network (eth2,3 etc) How can we expose it as service? In service yaml i do not find any way to ...
- 111
1
vote
1
answer
1k
views
ETCD Cluster configuration for Kubernetes: Which one should be considered?
I would like to know how to deploy a ETCD cluster for Kubernetes.
It seems like there are two different documentation and I don't know which one must be considered or the impact of each of them.
From ...
- 123
2
votes
2
answers
4k
views
kubernetes mariadb-galera cluster - bitnami helm chart - Readiness probe failed
I am trying to setup a mariadb-galera cluster through the bitnami helm chart in my kubernetes cluster (1 master, 3 nodes). I have modified the myvalues.yaml to include an existingClaim: dbstorage and ...
- 81
3
votes
1
answer
2k
views
Zero downtime with Kubernetes on top of GlusterFs on top of a ZFS raid - Is this the best solution?
TL;DR
A client requests me to make a robust system to run containerized microservices within their LAN.
Restriction: They give me 2 machines and 6 data-disks. No more hardware. I have to build "...
- 365
0
votes
0
answers
46
views
Kubernetes lab cluster setup
Done a lot of googling and reading, as well as viewing as a guest from Google searches on this topic as my goal is to setup a small kube lab cluster from scratch myself. Decided to sign up today and ...
0
votes
1
answer
165
views
Kubernetes + AWS Lambda [closed]
I currently have an API service running on AWS Lambda, but it's getting expensive due to high AWS costs. My aim is to replace 95 % of the usage with a cluster of servers and still handle peaks with ...
- 101
1
vote
1
answer
619
views
Attribute a static public ip for a pod in kubernetes
In my data center, I implemented a Kubernetes infrastructure with 3 workers and one master node.
I'm looking to build 5 pods running postfix mail server, but
because of risking to be blacklisted, I'm ...
- 11
0
votes
0
answers
2k
views
Cannot connect to the Docker daemon at unix:///var/run/docker.sock
I'm following the Certified Kubernetes Application Developer (CKAD) Certification, and in their manual they are providing a bash file to deploy a master node using Kubeadm, and this is it's content :
...
- 141
0
votes
1
answer
3k
views
Gcloud create node-pool hangs forever in auto-repair with no nodes
Adding a new node-pool to an existing cluster is failing with no nodes registering.
The command used to add the node-pool is as follows (project name changed):
gcloud container --project my-project ...
0
votes
1
answer
867
views
Istio & K8S - Ingress with IPv6 and IPv4
We are currently evaluating a K8S (version 1.17 using CRI-0 version 1.17 & Calico CNI) installation using Istio 1.5.0. All nodes have a valid and reachable IPv4 and IPv6 (ubuntu server 18.04 - on ...
- 325
0
votes
0
answers
278
views
Nodeport is not sending the traffic to service port in GKE private cluster
I have a private cluster created in GKE and gitlab is running as a pod in this cluster.
Here, nodeport is not sending the traffic to service port and hence unable to push images to gitlab.
Error ...
0
votes
1
answer
2k
views
How to set up Kubernetes (k8s) environment on an open-wrt based node connected in a cluster?
Openwrt OS support ".opk" file format extensions for the packages to be installed on the top of it. For that k8s, kubelet binaries are availbale but the procedure is to generate an installable ...
0
votes
1
answer
145
views
Resolved - Only 1 nodes out of 2 have registered on my node-pool if I have a GPU activated on my cluster
I have a managed k8S cluster with 1GPU (Tesla K80) activated in west1-b and west1-d (Each zone has this GPU model enabled, and my quota is ok).
Each time that I create a node pool with 2 nodes only ...
0
votes
1
answer
4k
views
Connection timeouts when scaling more than one pod instance in Kubernetes
Running Kubernetes with flannel on a local ESXI server with 3 VMs, a master and two nodes. On all of the nodes, I have Kubernetes 1.15.5, Ubuntu 18.04, and Docker 18.09.7. A green field install.
...
- 242
1
vote
1
answer
173
views
Kubernetes Istio sidecars namespaces
I am currently evaluating the istio mesh within a bare metal kubernetes deployment. Everything just fine so far, I use the sidecar auto injection with the namespace labels.
Now to my question:
...
- 325
1
vote
1
answer
601
views
Connect MongoDB to ElasticSearch by MongoConnector in Kubernetes
I have a MongoDB and ElasticSearch cluster which I've run by Kubernetes.
I am trying to connect my ElasticSearch to MongoDB on Kubernetes but I can't find any relevant document.
Can anyone help me ...
0
votes
1
answer
1k
views
Elasticsearch - Kubernetes [handshake failed, mismatched cluster name]
When setting up Elasticsearch cluster on Kubernetes with 2x data, 2x master and 2x client nodes (each container on sepearete physical node) i get the following error in client-node:
[2019-01-28T12:25:...
- 1
0
votes
1
answer
191
views
Kubernetes, partitioning around clusters and namespaces
Let's say we have 2 subsystems: A & B.
And we have 2 env: QA & Prod.
What would be a better way to organize it around cluster & namespace?. Is it:
One cluster for subsystem A, another ...
- 101
1
vote
1
answer
216
views
An Azure Cluster with Two Node Types
I want to create a Kubernetes cluster on Azure with different node types. The cluster will be used for a web application that performs complex calculations. I want the web application to run on one ...
- 665
1
vote
1
answer
1k
views
Kubernetes and ansible - missing module
I'm trying to deploy application with Ansible on my Kubernetes cluster. I tried to use this module kubernetes cluster module but when i try to execute my example playbook copied from documentation I'm ...
- 169
3
votes
2
answers
239
views
Should io and cpu intensive servers be separated in kubernetes cluster?
We are designing a new cluster architecture for our web service and are planing to use Ceph object storage and kubernetes for our services. for optimizing our servers We have different options:
Use ...
- 153
3
votes
2
answers
1k
views
In a container cluster like Kubernetes or Docker 1.12 Swarm, how do you resolve with external DNS to the good container on the good host?
Maybe I am dumb, maybe am I just not using the good words, but I can't find even one answer anywhere on Stackexchange or the whole Web.
I have created lots of website, mostly with Wordpress, Drupal, ....
- 309
1
vote
2
answers
2k
views
Kubernetes cluster ip not answering
We've setup a kubernetes cluster with 3 masters and 3 workernodes. Then we've installed the kubernetes-dashboard which failes because it can't connect to kubernetes (api-server). It's looking for ...
- 43
2
votes
3
answers
2k
views
Exposing service in Kubernetes
I'm new in Kubernetes and there are some doubts I have. I have setup a Kubernetes cluster that consists of one master/node and one node. I have deployed a very simple NodeJS-based app, using ...
- 187
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