Questions tagged [rancher-2]

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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: ...
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12 views

Replicate Percona across multiple docker swarms

We have 2 docker swarms in 2 different geographical locations. We opted for 2 separate docker swarms to avoid latency issues by one swarm forwarding to containers in another datacenter. Let's call it ...
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56 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 ...
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Possible to remove cluster from 2.4.8 server and import it on a fresh 2.5 server?

Due to a wrong installation method (single node) we would like to migrate our existing kubernetes cluster to a newer and HA-rancher-kubernetes cluster. Can someone tell me if it’s safe to do following:...
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23 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 ...
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30 views

Nginx reverse proxy stack after some time

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 ...
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0answers
43 views

socket: too many open files in system & Network request failed (Rancher)

I'm getting a issue with Rancher i have already posted this as maybe a bug but if someone already knows how to permanently fix this it would be welcome Failed to communicate with API server: Get https:...
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16 views

Rancher bindmount not working

So i am using rancher to deploy a container, and for some reason the volume bind-mount only copies over the directories of said folders and not and of the files inside. However when i run the ...
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14 views

Rancher problems with dns losing their internal references

I have an ecosystem with microservices in the rancher and I have a very annoying problem. The services have many relationships with each other or sometimes with internal services aimed at developers (...
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1answer
194 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: ...
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194 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 ...
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1k 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, ...
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33 views

How do I make Rancher Pipeline use my private Harbor server for the docker images?

I'm using Rancher Pipeline as a CI/CD tool, and I want it to pull docker images from my private Harbor server rather than Docker Hub. How can I do this?
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1answer
64 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) -...
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1answer
118 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 ...
2
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1answer
880 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 ...
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1answer
139 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 ...