Questions tagged [rancher]

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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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0answers
9 views

external vs internal IP mixed up in rancher on privat network @ hetzner

I am learning k8n. I created a new project on hetzner cloud, a private network 10.0.0.0/8, created a sever in this network and installed rancher single node on it. I then went to the Rancher UI to ...
1
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1answer
82 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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1answer
37 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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2answers
103 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 ...
0
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1answer
23 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 ...
2
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0answers
749 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 ...
2
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1answer
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 ...
0
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1answer
51 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 ...
2
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2answers
5k 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: ...
1
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1answer
157 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'...
2
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1answer
69 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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0answers
76 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 ...
2
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1answer
914 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’...
2
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0answers
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. ...
1
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1answer
70 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), ...
1
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1answer
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 ...
13
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2answers
735 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? ...
0
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1answer
22 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 ...
2
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1answer
665 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 ...
19
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1answer
803 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?