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Questions tagged [kube-proxy]

kube-proxy is a component of kubernetes that is responsible for `service` and load balance.

The Kubernetes network proxy runs on each node. This reflects services as defined in the Kubernetes API on each node and can do simple TCP,UDP stream forwarding or round robin TCP,UDP forwarding across a set of backends.

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Why does the k8s.gcr.io/kube-proxy Docker image 'work' on multiple architectures?

Running docker run -it -v $PWD:/tmp k8s.gcr.io/kube-proxy:v1.15.1 cp /usr/local/bin/kube-proxy /tmp file kube-proxy gives a different result depending on which architecture I am on e.g. on CoreOS Container Linux by CoreOS stable…
dippynark
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Terraform external data in metadata_startup_script

I'm going to parsing a token value from other .tf file into other .tf file I have tried to understand this link and also from this article data.tf data "external" "get_token" { program = ["/bin/sh",…
Nicky Puff
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Not able to create a service in acs- kubernetes after restarting all the nodes and master

service is failing with service-controller: Error creating load balancer (will retry): error getting LB for service microservices/: Service(/) - Loadbalancer not found I've gone through the logs of proxy pods and its mentioned there that the…
Vineesha.C
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kube-proxy not able to list endpoints and services

I'm new to kubernetes, and I'm trying to create a cluster. But after I configure the master with the kubeadm command, I see there are some errors with the pods, and this results in a master that is always in a NotReady state. All seems to originate…
Deboroh88
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Why doesn't kube-proxy route traffic to another worker node?

I've deployed several different services and always get the same error. The service is reachable on the node port from the machine where the pod is running. On the two other nodes I get timeouts. The kube-proxy is running on all worker nodes and I…
w4ri0r
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20 percent of requests timeout when a node crashing in k8s. How to solve this?

I was testing my kubernetes services recently. And I found it's very unreliable. Here are the situation: 1. The test service 'A' which receives HTTP requests at port 80 has five pods deployed on three nodes. 2. An nginx ingress was set to route…
George Liang
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Kube-proxy: Failed to retrieve node IP

I deployed a kubernetes cluster of v1.13.0 a month ago, using kubeadm, with one master-node and three worker-nodes in it. And everything was ok. but when i was going to register a new worker to this cluster. kube-proxy deamonset container start up…
George Liang
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kube-proxy failing to start "error: unrecognized key:"

I just upgraded my 1.10.0 kubernetes cluster to 1.10.12. i also updates a node or two to the same version. however, i now see that: kube-proxy-r5ts5 0/1 CrashLoopBackOff 5 3m 134.79.129.110 …
yee379
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Kubernetes Network Issue

I have an issue setting up my Kubernetes Cluster on my Ubuntu 16.04 machines, I have correctly set up a: master node (Machine IP: 10.10.1.122) worker node (Machine IP: 10.10.1.38) into a cluster with this information: NAME …
Madi
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In K8s I can not telnet to the port using the cluster IP from selector app

I am searching for a long time on the net. But no use. Please help or try to give some ideas how to achieve this. Service definition: { "kind": "Service", "apiVersion": "v1", "metadata": { "name": "eureka1", "namespace": "default", …
ming_v5
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kube-proxy: Another app is currently holding the xtables lock

We've been getting intermittent connectivity/dns issues in our Kubernetes cluster running 1.10 on Ubuntu. We've been all over the bug reports/etc., and nearest we can figure a process is holding onto /run/xtables.lock and it's causing issues in a…
ron
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Flannel pod failure (and DNS) for Kubernetes on CoreOS VMs

I have deployed a 3-node CoreOS Vagrant VMs following this guide, modified as described here. The VMs are healthy and running; K8s controller/worker nodes are fine; and I can deploy Pods; ReplicaSets; etc. However, DNS does not seem to work and,…
Marco Massenzio
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Is it possible to have kube-proxy without the kubernetes environment in vm pod using istio mesh expansion

I have been working on a very innovative project which involves both Kubernetes and Istio. So, I have 2-node kubernetes cluster setup with istio installed withe their side cars in the pods. I have already hosted the bookinfo application in the nodes…
usha narayanan
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Access nodeport via kube-proxy from another machine

I have kubernetes cluster (node01-03). There is a service with nodeport to access a pod (nodeport 31000). The pod is running on node03. I can access the service with http://node03:31000 from any host. On every node I can access the service like…
micsch87
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When a Kubernetes service is created, which one among these watchers is called first 'kube proxy' or 'a custom watcher'

I have a custom watcher as follows: watchlist := cache.NewListWatchFromClient(client.Core().RESTClient(), "configmaps", KubeSystemNameSpace, fields.SelectorFromSet(fields.Set{"metadata.name": "test-map"})) resyncPeriod := 30 *…
Pradeep
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