Questions tagged [rancher]

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"The plain HTTP request was sent to HTTPS port" issue with nginx-ingress in rancher/k8s

I'm running Rancher v2.6.3 and I have a cluster with a Django workload built all on top of AWS. The deployment has a cluster ip port set up, I have an ingress created with a prefix rule pointing at ...
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25 views

Understanding the Pods setup by nerdctl

I've had a high level understanding of Kubernetes for a time but am now making the transition from Docker. I'd found k3s, Rancher Desktop, and importantly nerdctl as a way to make that transition ...
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1 answer
343 views

default backend - 404

I am currently running a small K3S cluster in order to get familiar with K8S. I am able to set up pods with ordinary LoadBalancers and get it to work without any problem. However, when I try to get it ...
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  • 101
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1 answer
23 views

Apache Camel-k metrics in rancher embedded prometheus

I have a Kubernetes running Rancher 2.4.3. I have the cluster monitoring enabled in rancher, so that exists a Prometheus instance running, so as a Prometheus Operator. Recently I deployed a Apache ...
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  • 101
1 vote
0 answers
24 views

Is traffic routed through Rrancher when Rancher is used to setup a cluster?

I am learning k8n and want to clarify that I am understanding the traffic flow correctly. I setup Rancher on domain a.com (single node for now) and create a new Cluster (RKE) via it (master, 2 workers)...
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  • 111
1 vote
1 answer
247 views

how to change a rancher UI installed prometheus server config

I am learning rancher (still) and after deploying the monitoring chart (prom, grafana etc) i need to add more targets to the prometheus config (such as other bare-metal server and some QEMU too), I ...
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  • 332
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0 answers
50 views

Configure Eureka or Consul in Rancher

I would like to know how to configure Consul or Eureka using Rancher. I stumbled in the part where I need to enter the key value.
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1 vote
2 answers
110 views

Are there arguments against using “imagization" tools in the literature and if so, what are the main ones?

Although I never used an "imagization" tool (for example, Docker) I understand a container as an instantiated (running or stopped) image which in plural are simply put, a server environment and ...
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1 answer
26 views

Will data contained withing Persistent Volume survive cluster deletion?

I have a Kubernetes cluster based on 3 hosts managed via Rancher I've created Persistent Volume on the first host and use it via a claim by a PostgreSQL pod. My app is generating and storing there ...
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2 votes
0 answers
831 views

Rancher Pipeline: How to pass environment variables from one stage to another [closed]

Currently I am trying to move our existing build infrastructure to Rancher with its CICD pipelines. My main question is: Is it possible to pass environment variables from one stage to another? Our ...
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2 votes
1 answer
1k views

"Error: forwarding ports: Upgrade request required" Error in helm of a kubernetes cluster

I have a kubernetes cluster built using kubespray and imported to Rancher. The nodes are configured with CentOS Linux 7 3.10.0-957.12.1.el7.x86_64 Docker version : 18.9.5 Kubelet version : v1.14.1 ...
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  • 121
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1 answer
53 views

Kubernetes multi cloud

I'm exploring doing kubernetes on a multicloud setup the configuration I want is a master connected to nodes in multiple cloud platforms. In my limited research I haven't found many tools to make this ...
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  • 13
2 votes
2 answers
6k views

Kubernetes on k3s can't resolve domains from custom dns server (fritz.box with dnsmasq)

I have a dns server running at 192.168.0.19 for custom domains like .fritz.box. Having a single node cluster on k3s, Rancher was installed using a subdomain server2.fritz.box using this command: ...
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  • 171
1 vote
1 answer
169 views

Rancher, Load Balancing and own domain

I have a question about rancher. I'm running my rancher on aws. I have created a new cluster with two nodes (workers) and I have deployed my docker images. Now I wanted to add Load Balancer, but I don'...
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  • 121
2 votes
1 answer
75 views

What are the two project layouts offered by Rancher on installation?

During login after initial setup, Rancher CLI asks the following: Do you want to continue connecting (yes/no)? yes NUMBER CLUSTER NAME PROJECT ID PROJECT NAME ...
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3 votes
0 answers
84 views

After deployment, one Rancher load balanced RESTful app instance returns 404 while other returns results [closed]

I have setup a CI/CD pipeline which triggers builds, packages, and deploys tasks that execute on Gitlab online whenever a Spring boot RESTful service app is checked in. The three stages and tasks run ...
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  • 189
2 votes
1 answer
981 views

Rancher & gitlab-runner - is there a way to get the gitlab-runner to tell Rancher to start the CI test environment instead?

I’ve got an AWS gitlab instance successfully doing CI with gitlab-runners running under vagrant on my local dev machine. I’d like to move the runners off my machine and onto a standalone server... I’...
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  • 131
2 votes
0 answers
44 views

Which volume solutions are the most convenient when building Docker & microservices based application? [closed]

My application consists of few microservices and web (React) frontend. Basically I have auth microservice, application backend service, various data processing services and frontend rendering server. ...
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  • 121
1 vote
1 answer
76 views

Measure service unavailability during upgrade

I am deploying a microservices - based application using an orchestrator (Rancher specifically). During the service upgrade (when new images are being pulled and services re-discover one another), ...
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  • 867
1 vote
1 answer
1k views

Migrate Rancher host from server to server

I have 4 Rancher servers: one for each environment: dev, sandbox, staging & prod. 3 of them are of an older Rancher 1.4 version (sandbox, staging, prod) & are hosted on OVH hosting, the one ...
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13 votes
2 answers
750 views

How do I automate deployments with Kubernetes?

Assuming I have Kubernetes deployed via Rancher and Jenkins is building new images and pushing them to DockerHub upon check-in of new code to GitHub, how do I automate getting new images deployed? ...
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  • 131
0 votes
1 answer
28 views

Why do some components vanish from the catalog list if one component has been installed in Rancher?

If one adds a component from the catalog in Rancher and one would like to add another component than the list seems to be reduced. Why do some components vanish from the catalog list if one component ...
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  • 12.5k
2 votes
1 answer
674 views

Why is the K8s UI not available when rancher is used?

K8s has been created using rancher, but when one would like to access the UI it shows: Service unavailable Methods Method 1 rancher was deployed locally using vagrant k8s was deployed click the ui ...
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  • 12.5k
19 votes
1 answer
837 views

What functional differences are there between kubernetes, rancher and mesos?

What are the main feature differences the popular container orchestration tools kubernetes, rancher, and mesos? What would lead you to choose one over the other?
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