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Questions tagged [rancher-2]

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RKE2 Worker won't connect to server: invalid username/password combination

I'm creating a rancher RKE2 cluster for the first time. I followed the quick start guide and created a server and a worker. Both are Debian 12 Virtual machines on an ESXI hypervisor. Both VMs can ping ...
Nathan Arkxv's user avatar
1 vote
1 answer
323 views

Kubernetes cluster with incorrect DNS resolution

Question Description: I have a harvester HCI Cluster (RKE2), where pods do not resolve the correct IP addresses for internet domains. kubectl run debug --image=busybox -i --tty --rm -- sh / # ping ...
d_inevitable's user avatar
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53 views

how to automate using rancher cli for updating docker image tag in deployment

We have some dev and qa k8s clusters managed using rancher. Every production release our team uses the rancher web ui to change the image tag version and update the app. We want to automate this ...
rahoolm's user avatar
  • 119
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1k views

Cannot add cluster configuration for ArgoCD for Rancher kubernetes cluster

I have tried to add a Rancher kubernetes cluster in ArgoCD, but I get the following error from the ArgoCD CLI: ./argocd-linux-amd64 cluster add test01 --server=localhost:8080 --insecure WARNING: This ...
Ronny Forberger's user avatar
1 vote
1 answer
1k views

Pgadmin4 cannot start in Kubernetes

I have set up Postgres in Kubernetes (k3s administered with Rancher) which seems to be working fine but in order to take a look at the databases I tried to add a pgadmin4 pod. I first tried adding the ...
Taxel's user avatar
  • 111
1 vote
0 answers
1k views

rke2 ingress-nginx default ssl certificate

I asked this here yesterday. Can anyone advise how to apply the default ssl certificate to ingress-nginx on rke2? I followed the doc at https://docs.rke2.io/networking/#nginx-ingress-controller I ...
crowne's user avatar
  • 113
0 votes
2 answers
3k views

Outgoing http calls fail randomly - no route to host

A while ago a strange problem occurred in our kubernetes cluster. We have a network containing windows servers (webserver, mailserver, etc.) and a kubernetes cluster running Rancher v2.6.0. The ...
mboldt's user avatar
  • 101
0 votes
1 answer
7k views

Rancher on k8s gives 404 page not found

I installed a kubernetes cluster with k3sup on a VM on my local hypervisor and the pods are up and running. Now I wanted to add a deployment with rancher in its latest version (2.6) to manage another ...
RUFmord's user avatar
  • 19
1 vote
1 answer
7k views

CreateContainerError: context deadline exceeded

For a project, I must use big containers (500Mb to 60Gb). I don't have a precise measurement but when I run containers larger than 3-5Gb with gitlab-runner, I get an error in rancher: ...
Oyabi's user avatar
  • 133
5 votes
1 answer
12k views

k8s nginx ingress returns randomly 502 error on load

we are using an nginx (1.15.8.1) as ingress controller on our k8s cluster (v.1.17), managed by rancher (2.5.7). This worked pretty fine so far, but now we set up a custom API pod that can be ...
michafn's user avatar
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716 views

Nginx reverse proxy behind loadbalancer stop working after few hours

In my environment in rancher I use built in ingress load balancer to route trafic to custom nginx, which acts like reverse proxy for 2 "apps". In condition i choose which server I want to ...
l2ysho's user avatar
  • 101
1 vote
1 answer
2k views

Rancher on K8s (not helm) permission issues

I'm trying to teach myself K8s and am running into some issues that I've been unsuccessfully googleing / stack searching. I'm trying to setup Rancher without using helm. Here's my deployment manifest: ...
Chris Satola's user avatar
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0 answers
1k views

Rancher server UI unavailable (newie needing help)

First off, as the title says, in regards to Rancher I am a total newbie w/ very little understanding of the product. Second, if my issue has already resolved and posted on here elsewhere, please ...
joebloe144's user avatar
1 vote
0 answers
3k views

CoreDNS request does timeout (kubernetes / rancher)

I am trying to install mongodb-replicaset helmchart available on Rancher2 (well it's mostly a k8s problem imho). The service is named mongodb-replicaset in the namespace mongodb-replicaset. On init, ...
Michaël's user avatar
0 votes
1 answer
366 views

Kubernetes Few worker nodes vs many worker nodes

We use RKE for setting up the cluster with 4 master node (VM, 8 core CPUcurrentlysourcesstagingahorriblea workers and 16G ram) and 5 worker node(bare-metal, HPE G10, 88 core CPU, 256G ram) -...
alireza71's user avatar
  • 101
0 votes
1 answer
290 views

How to create a replicated, multi-node persistent volume with rancher 2

I have a rancher setup with 2 worker nodes. I want to deploy an app with pods distributed between those 2 nodes. What I am failing to understand is how I can create a local persistent volume that ...
Miguel Mesquita Alfaiate's user avatar
3 votes
1 answer
4k views

Kubernetes + Rancher: multiple VLANs

I intend to deploy a k8s + Rancher cluster on my local network, but my environment has several VLANs, with pfsense acting as a firewal and router between such VLANs. My cluster resides in XCP-NG as a ...
user562397's user avatar
0 votes
1 answer
159 views

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 ...
Dennis Ananyin's user avatar