All Questions
Tagged with kubernetes kubernetes
60,305
questions
3
votes
1
answer
2k
views
Kubernetes: How to access a label value of the current running pod from code using K8's API?
Imagine I got a Kubernetes cluster which has 3 pods and each pod has its own value for the label 'name' and what I actually want is each time I run/open my app, I'd see the name of pod (so its label's ...
- 953
0
votes
2
answers
1k
views
Kubernetes node.js container keep crashing
I'm trying to create a pod with the following YAML, specifically on Google Cloud Platform:
apiVersion: v1
kind: ReplicationController
metadata:
name: frontend
spec:
replicas: 2
template:
...
- 765
68
votes
11
answers
117k
views
Can a Persistent Volume be resized?
I'm running a MySQL deployment on Kubernetes however seems like my allocated space was not enough, initially I added a persistent volume of 50GB and now I'd like to expand that to 100GB.
I already ...
- 3,486
62
votes
5
answers
208k
views
How to calculate containers' cpu usage in kubernetes with prometheus as monitoring?
I want to calculate the cpu usage of all pods in a kubernetes cluster. I found two metrics in prometheus may be useful:
container_cpu_usage_seconds_total: Cumulative cpu time consumed per cpu in ...
- 3,619
5
votes
1
answer
264
views
How do I set up a Tensorflow cluster using Google Compute Engine Instances to train a model?
I understand can use docker images, but do I need Kubernetes to create a cluster? There are instructions available for model serving, but what about model training on Kubernetes?
- 53
0
votes
1
answer
360
views
Setting Kubernetes DNS cluster addon for high availability
We're using Kubernetes 1.3.6 on AWS
Currently we have a single DNS pod of the cluster addon on the system namespace.
If the node which the pod runs on fails for some reason the cluster's DNS service ...
- 15.7k
0
votes
0
answers
303
views
No host binding
I do have setup a CoreOS single-node cluster and can access the API from my client without any issues. I did follow the guide. All deployed pods are running fine, and I can access those on the node ...
- 1,334
7
votes
1
answer
613
views
Forward HTTPS client ip from Google Container Engine
I'm running an nginx service in a docker container with Google Container Engine which forwards specific domain names to other services, like API, Frontend, etc. I have simple cluster for that with ...
- 1,832
1
vote
1
answer
2k
views
kube-proxy: iptables-DNAT-rules for services missing
kube-proxy doesn't create DNAT-rules on nodes for services registered on master.
everything works fine beside this service-ip-to-pod-ip NATing.
my setup:
kubernetes master: 10.98.99.176/24 (...
- 451
4
votes
2
answers
4k
views
How to let Kubernetes PetSet use existing Persistent Volumes?
As part of the PetSet definition, the volumeClainTemplates are defined for Kubernetes to dynamically generate Persistent Volume Claims. For example:
volumeClaimTemplates:
- metadata:
name: ...
1
vote
2
answers
4k
views
AutoScaling in Docker Containers
I have been looking into Docker containerization for a while now but few things are still confusing to me. I understand that all the containers are grouped into a cluster and cluster management tools ...
- 1,035
1
vote
2
answers
2k
views
Kubernetes - delete all the pods from the node before reboot or shutdown using kubenetes API
I need a bash script to delete only pods on specific node before shutdown or reboot using Kubernetes API.
- 8,270
0
votes
1
answer
469
views
npm inodes issues in docker / kubernetes environment
we have a kubernetes cluster environment which at any given time has around 10~20 pods/containers running on a single node. Each node has around 200k ish inodes available. However our micro service (...
- 6,837
0
votes
1
answer
198
views
"special device nount found" error occured when mounting AWS EBS volume to Kubernetes' pod
I am experiencing a "special device nount found" error when trying to mount a EBS volume to Kubernetes' pod.
Here is the pod's yaml file:
apiVersion: v1
kind: Pod
metadata:
name: test-ebs
spec:
...
- 411
5
votes
2
answers
4k
views
Kubeadm why does my node not show up though kubelet says it joined?
I am setting up a Kubernetes deployment using auto-scaling groups and Terraform. The kube master node is behind an ELB to get some reliability in case of something going wrong. The ELB has the ...
- 9,899