Stack Overflow
Stack Overflow

Questions tagged [rancher]

Rancher is an open source project that provides a complete platform for operating Docker in production.

Rancher is an open source project that provides a complete platform for operating Docker in production. It provides infrastructure services such as multi-host networking, global and local load balancing, and volume snapshots. It integrates native Docker management capabilities such as Docker Machine and Docker Swarm. It offers a rich user experience that enables devops admins to operate Docker in production at large scale.

https://github.com/rancherio/rancher

962 questions
3
votes
1 answer

Rancher TLS Certificate Authority

Quick question, in Rancher is it possible to use lets-encrypt to sign the k8s TLS certs (etcd, kub-api, etc). I have a compliance requirement to sign my k8s environment with a valid trusted CA chain?
grimm-muncha
  • 47
  • 5
3
votes
1 answer

CIDR and IP Address Ranges

I am a programmer trying to get Rancher (Kubernetes) setup. Rancher's config file has a setting called service_cluster_ip_range. It expects a CIDR notated subnet. My network team gave me a "24" subnet. They told me that the IP address range I…
Vaccano
  • 78,325
  • 149
  • 468
  • 850
3
votes
0 answers

push Application logs directly to Graylog when apps running on kubernetes

I had 30+ applications that were running on Rancher (1.x) in a docker-composed way. The logging of the applications (those were running inside the container) was done in such a way that no app logs get stored on the container or on the system but…
vivek
  • 187
  • 14
3
votes
1 answer

k3s ctr images import to different dir

I am having tar of my service specific images. I am importing it in containerd so that it will be used by k3s to deploy PODs. command used to import image's tar is- k3s ctr images import XXX.tar By default it loads images in /var/lib/rancher/data…
Yogesh Jilhawar
  • 5,605
  • 8
  • 44
  • 59
3
votes
2 answers

Kubernetes Nginx Ingress Controller on NodePort

I am deploying the nginx based ingress controller on Kubernetes cluster managed by RKE. ( I have also tried the same directly without RKE ). In both the cases , it tries to use/bind to Ports 80 , and 443 on the host, and it fails because in the pod…
Ijaz Ahmad
  • 11,198
  • 9
  • 53
  • 73
3
votes
2 answers

imagePullSecrets not working when using k3s

I'm using k3s to test my k8s configurations. Sadly, imagePullSecrets seems not to work properly. I've tested the same configuration in minikube and it works fine. Example: I create the secret with: kubectl create secret generic myreg…
MagMax
  • 1,645
  • 2
  • 17
  • 26
3
votes
2 answers

Rancher 2.0 - Troubleshooting and fixing “Controller Manager Unhealthy Issue”

I have a problem with controller-manager and scheduler not responding, that is not related to github issues I've found (rancher#11496, azure#173, …) Two days ago we had a memory overflow by one POD on one Node in our 3-node HA cluster. After that…
ralic
  • 75
  • 1
  • 3
  • 10
3
votes
1 answer

How do I access MySQL running in a docker container (managed by Rancher) without publishing the port on the host?

I am using Rancher to manage Kubernetes which orchestrates my Docker containers. Each of our microservices (running in a container) that requires persistence has a corresponding MySQL container. E.g. MyApp is running in a container called MyApp and…
dleerob
  • 4,951
  • 4
  • 24
  • 36
3
votes
2 answers

Can't download plugins using kubernetes jenkins (Problem with kube-dns)

I am having troubles with a Jenkins pod and with the kube-dns. It seems that my Jenkins is offline and I can't install any plugin, and this is because of the DNS. This is the error that I'm obtaining: "UnknownHostException:…
Typh
  • 43
  • 2
  • 6
3
votes
2 answers

RabbitMQ with Docker and Rancher produces "TypeError: Cannot read property 'name' of undefined"-errors in the management UI

As the title suggests. When I deploy my RabbitMQ image via Rancher I get the following errors in the management interface. I have no clue what is causing this problem (even after extensively searching the internet). Dockerfile FROM…
Derilius
  • 61
  • 8
3
votes
0 answers

Neo4J throwing IOException then stopping regularly

So we have a Neo4J instance in rancher using the docker image for 3.3. It had 1GB of heapspace and page cache but since this problem we have upped it to 2GB. Everything runs smoothly for a while until we start getting this error: 2018-08-02…
LukeKlein
  • 31
  • 1
3
votes
1 answer

How does TLS handshake work in a load balanced system?

We are using rancher docker orchestration tool: it is using HAProxy for enabling load balancing. I am wondering how how a hanshake is processed if a new HTTPS connection to a service is established. Is the the handshake done between client and the…
Zizou
  • 831
  • 1
  • 10
  • 19
3
votes
1 answer

Create Issuer for cert-manager for Rancher 2.x launched with docker-compose

I am testing Rancher 2 as a Kubernetes interface. Rancher 2 is launched with docker-compose, using image rancher/rancher:latest. Everything is Ok for clusters, nodes, pods. Then I try to secure some load balancers with certificates. Do do so, I…
user10032940
  • 61
  • 1
  • 6
3
votes
1 answer

Kubernetes RBAC role for tiller

We have multiple development teams who work and deploy their applications on kuberenetes. We use helm to deploy our application on kubernetes. Currently the challenge we are facing with one of our shared clusters. We would like to deploy tiller…
Tarun Prakash
  • 93
  • 1
  • 5
3
votes
2 answers

Link containers in docker (RancherOS and command line)

I run a RancherOS to run docker containers I created a container on the GUI to run my databases (image: mysql, name: r-mysql-e4e8df05). Different containers use it. I can link other containers to it on the GUI This time I would like to automate…
Tomi
  • 3,370
  • 1
  • 16
  • 26
1 2 3
…
64 65