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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
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How to add new cluster in ArgoCD (use config file of Rancher)? - the server has asked for the client to provide credentials

I want to add a new cluster in addition to the default cluster on ArgoCD but when I add it, I get an error: FATA[0001] rpc error: code = Unknown desc = REST config invalid: the server has asked for the client to provide credentials I use the command…
quoc9x
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rancher compose health check (if unhealthy or stopped abort)

I have the following file: version: '2' services: service1: scale: 1 health_check: port: 80 request_line: GET /healthcheck HTTP/1.0 interval: 2000 initializing_timeout: 60000 reinitializing_timeout: 60000 …
jipot
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[HTCONDOR][kubernetes / k8s] : Unable to start minicondor image within k8s - condor_master not working

POST EDIT The issue is due to : PSP (Pod security policy) By default escalation is not permit for my condor user. That is why it is not working. because the supervisord is running as root user and try to write logs and start condor collector as root…
blackbird
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Rancher 2.5.5 failed to start cluster controllers c-dbk7g: context canceled

I installed the rancher in a single node via container docker. I have 03 etcd and control Plane hosts and 03 Worker hosts. I get this message on the Rancher GUI: This cluster is currently Unavailable; areas that directly interact with it will not…
george rodrigues de oliveira
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Rancher Server v2.x expired certificates

My certificates for rancher server expired and now I can not log in to UI anymore to manage my k8s clusters. Error: 2021-05-26 00:57:52.437334 I | http: TLS handshake error from 127.0.0.1:43238: remote error: tls: bad certificate 2021/05/26…
David Lednik
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RBAC (Role Based Access Control) on K3s

after watching a view videos on RBAC (role based access control) on kubernetes (of which this one was the most transparent for me), I've followed the steps, however on k3s, not k8s as all the sources imply. From what I could gather (not working),…
Paul
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Why does rancher logging operator have both Fluent Bit and Fluentd?

Rancher v2.5 logging uses the banzai cloud logging operator - see here. The operator deploys and configures a Fluent Bit DaemonSet on every node to collect container and application logs from the node file system. Fluent Bit queries the Kubernetes…
Ryan.Bartsch
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Create secret for all namespaces

When I create secret with Rancher and select it should be visible in all namespaces, it creates a secret without namespace tag and with namespaceId: null. How to create such a secret without Rancher? When I use kubectl, it always binds it to the…
9ilsdx 9rvj 0lo
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Kubernetes deployment of two microservices at same subdomain resulting in frequent and random 404 errors

We have a Kubernetes deployment consisting of a nodejs front end and an nginx backend. We're finding that the two deployments work fine in Kubernetes individually, but when they are both deployed requests to the front end return a 404 almost exactly…
Adam Wise
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Constantly getting Crashloopbackoff error in Kubernetes PODS generally in MongoDB pods

I'm constantly getting this Crashloopbackoff error when a pod tries to get up. Problem generally occurs in Mongodb pods. However, when I delete the problematic pod it creates itself successfully, you can find necessary kubectl command outputs below.…
Çağdaş Özgür
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Automate Grafana custom dashboards in Rancher Monitoring

We are using Rancher and Racher tools for monitoring. i.e. Prometheus and Grafana on Rancher. Rancher Monitoring I am looking for automation of custom dashboard import in the Grafana. I referred to the Grafana documentation for provisioning…
Shashank Dixit
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How do I create a URL frontend to my keycloak instance after connecting it up to istio

I have istio installed and can see it on Rancher. I have keycloak installed as well. I am trying to connect the two and have a gateway setup so I can access keycloak front-end through a URL. In my keycloak manifest I have # Source:…
BipinS.
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Pushing multiple Docker images in parallel in Rancher pipeline

Because of increasing build time of our pipeline, we have tried several things to improve it. One step which was taking quite some time was the docker images push step which was running sequentially. Being 12 images, this step was taking 12-14…
Turbut Alin
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How to fix ingress 404 default backend

I started to use Kubernetes few month ago and I actually migrate my microServices to my rancher cluster (RKE). Everything works good, my deployments are good and services too. I would like use ingress. Everything looks good, services are find by…
Antoine Godeau
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Docker hangs "activating"

Somehow, after rebooting one of my servers, docker becomes unavailable. The following is the entire content of the boot in progress. As oposed to the boot fo one of my other machines where 4 more log lines are visible: Jul 22 14:39:59…
milovanderlinden
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