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Rancher 2.0 container management platform

rancher.com

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Re: Rancher 2.0 container management platform

#21

Post by hardwaresofton »

nickstinemates wrote: post #13
hardwaresofton wrote: post #3

It's awesome that they're completely based on Kubernetes now -- super ready to switch over and start using it.

I'd love to hear what you think

I run a very small (1 node) Kubernetes cluster for my projects, and I was looking into Rancher when I was setting it up. At first I chose to go with just Kubernetes to make sure I understood the concepts. I've written about my adventures with kubernetes here on my blog (https://vadosware.io/post/fresh-dedicated-server-to-single-n...), and am in the middle of a ton of posts about what I did when I started using Kubernetes.

I just watched the demo, but I wasn't quite sure how Rancher would deal with specifying Kubernetes Ingresses and Kubernetes Deployments/Pods -- I assume they map the DNS tab and "stacks". Also, I see that you can upload a docker compose file, but I have quite a few kubernetes resource configurations that I'm using for everything right now, I assume you can just as easily upload a resource config? (from somewhere like the stack creation page/menu?)

I have an already running kubernetes cluster and I'm going to give Rancher a go tomorrow, if it's as easy as the demo has made it seem I'm going to be very pleased.

Re: Rancher 2.0 container management platform

#22

Post by jjm »

robotmay wrote: post #11
nickstinemates wrote: post #7

Earlier quoted context omitted.

> Will the new system still be able to schedule containers through the GUI with the same options as currently available on Cattle? Yes! > Also the one feature I'd really love to see from Rancher is ARM support for the agent I've seen this running. I can look in to it.

Awesome! And yeah I've found a few resources of people who've managed it. Last time I tried to compile it, it got stuck on some x86-specific dependencies in the base images you guys were using I think. A year later and I'm finally starting to look at it again. Official support would be fantastic if possible; I would very happily start using it on hundreds of devices in the near future :D

I soon will be working on this as a contribution. Starting with RancherOS’s kernel through, and adding GPU support. Please include me in your comms.

Re: Rancher 2.0 container management platform

#24

Post by nickstinemates »

Diederich wrote: post #19
nickstinemates wrote: post #16

Earlier quoted context omitted.

I'm looking in to this.

Thank you kindly.

Here's what I've found out...

We have some customers who are using this configuration (including nvidia-docker) with some scheduling limitations.

That being said, we haven't expressly integrated this use case, so anything Kubernetes has done in 1.7 is available, but not completely surfaced/taken advantage of.

Re: Rancher 2.0 container management platform

#25

Post by nickstinemates »

socrat3z wrote: post #20

Congratulations and thank you! It's not an easy choice to abandon self developed and very powerful Cattle orchestration in favor of k8s, but it was a right move!

The team did a good job integrating the simplicity of the cattle experience on top of Kubernetes. Part of the goal of the tech preview is to see if we've balanced the goal correctly.

Re: Rancher 2.0 container management platform

#26

Post by thepumpkin1979 »

I've been been using Rancher for 6 months now and it has been a very smooth experience. They're incredibly careful with upgrades and their Release instructions are just a breeze to follow. I'm actually happy with Cattle but I understand Kubernetes won and we just have to accept it.

Re: Rancher 2.0 container management platform

#27

Post by nickstinemates »

jondubois wrote: post #23

This is great. My only two issues with Rancher were related to the UI (it was a bit clunky) and Kubernetes being a second class citizen so it's good to see that these are the issues which were addressed in this release. I look forward to upgrading.

Happy to hear it. A lot of care went in to refreshing the UI and to get the integration experience with Kubernetes just right. I'd be delighted to hear how the experience goes for you when you try it out.

Re: Rancher 2.0 container management platform

#28

Post by nickstinemates »

thepumpkin1979 wrote: post #26

I've been been using Rancher for 6 months now and it has been a very smooth experience. They're incredibly careful with upgrades and their Release instructions are just a breeze to follow. I'm actually happy with Cattle but I understand Kubernetes won and we just have to accept it.

Thanks for the feedback. I'd really like to talk to you after you've tried it out. Let me know if you're open to it.

Re: Rancher 2.0 container management platform

#29

Post by socrat3z »

nickstinemates wrote: post #25
socrat3z wrote: post #20

Congratulations and thank you! It's not an easy choice to abandon self developed and very powerful Cattle orchestration in favor of k8s, but it was a right move!

The team did a good job integrating the simplicity of the cattle experience on top of Kubernetes. Part of the goal of the tech preview is to see if we've balanced the goal correctly.

Will you continue supporting mesos and swarm?

Will you continue using haproxy for load balancing, or there will be other choices also with GUI support? Any plans to implement similar approach for other massively used containers, like let's encrypt certs provisioning? It would be great to have custom forms for configs and env variables with input validation for parametrizable containers. (Not only for provisioning new stacks, but also while upgrading containers)

Will you continue supporting such a great projects, like aws efs and ebs, ecr authorization, rancher-cron, rancher network stack etc?

Re: Rancher 2.0 container management platform

#30

Post by socrat3z »

elcritch wrote: post #2

Anyone had experience running a cross vendor cloud setup with Rancher? How was the experience and were you able to reduce operating costs?

Using rancher cluster on 4 different hosts in different regions. Sometimes I face different problems with networking, but they are mostly fixed restarting the containers. Its just hard to detect or diagnose them in time. Integrated network state monitoring could be such a great feature for Rancher!
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