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Adding Kubernetes support to the Docker platform

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Re: Adding Kubernetes support to the Docker platform

#3

Have to say, I don't see the value in being able to have Swarm and k8s in the same cluster. "Docker: powered by Kubernetes" seems to be more of a marketing thing to move down the value chain, and not be seen as a basic piece of infrastructure.

Could be a nice bridge to move off docker :P

Re: Adding Kubernetes support to the Docker platform

#4

Have to say, I don't see the value in being able to have Swarm and k8s in the same cluster. "Docker: powered by Kubernetes" seems to be more of a marketing thing to move down the value chain, and not be seen as a basic piece of infrastructure.

You can disable Swarm or Kubernetes at will in each Docker EE cluster. Hybrid is very useful for enterprises who already have to manage both - it was a highly requested feature.

Re: Adding Kubernetes support to the Docker platform

#5
This seems a lot to me like Docker Inc. caving in to what has been painfully obvious for a while: K8s won and Swarm/Mesos lost the battle for hearts and minds in container orchestration. We can argue about why it happened, but I got the impression Docker Inc. were desperately trying to wish it away.

Now reality has intruded and I am glad, though I predict they'll continue to maintain that Swarm is a first class platform for a while, then quietly let it wither on the vine until one day it's forgotten about.

Also of note is Rancher 2.0's dropping support for Swarm and Mesos and focusing solely on K8S going forward.

Re: Adding Kubernetes support to the Docker platform

#6
post #4

Have to say, I don't see the value in being able to have Swarm and k8s in the same cluster. "Docker: powered by Kubernetes" seems to be more of a marketing thing to move down the value chain, and not be seen as a basic piece of infrastructure.

You can disable Swarm or Kubernetes at will in each Docker EE cluster. Hybrid is very useful for enterprises who already have to manage both - it was a highly requested feature.

I think I can understand "We have both and need to manage them more easily" as a request, because it's about pain right now.

The thing I'm unsure about - and it would be really interesting to get your perspective on - is what this means for Swarm longer-term. Is there still going to be a reason why people will want hybrid? Is it a migration play?

In a hybrid, over time I'd want to two to behave the same, and getting k8s up and running is a one-time cost and likely decreasing maintenance. It seems like a point solution.

Re: Adding Kubernetes support to the Docker platform

#8
post #4

Earlier quoted context omitted.

You can disable Swarm or Kubernetes at will in each Docker EE cluster. Hybrid is very useful for enterprises who already have to manage both - it was a highly requested feature.

I think I can understand "We have both and need to manage them more easily" as a request, because it's about pain right now. The thing I'm unsure about - and it would be really interesting to get your perspective on - is what this means for Swarm longer-term. Is there still going to be a reason why people will want hybrid? Is it a migration play? In a hybrid, over time I'd want to two to behave the same, and getting…

K8S is looking for all the world like it's becoming the One True Container Orchestration Platform. Obviously Docker can't admit that because it has investors, and one thing you can't afford to do with investors is be honest. But reading the runes, it sure looks like Docker are providing a migration path from Swarm to K8s.

Re: Adding Kubernetes support to the Docker platform

#9
post #7

Seems that people think Docker has gave in, but I am not that sure. If you can switch between Swarm/Kubernetes transparently, then why wouldn't you start with Swarm? (I'm talking about small companies who're just starting with containers.)

Why wouldn't you start with the one with the strongest mindshare and reputation? Even a cursory amount of googling shows there's a strong sentiment bias towards K8S over Swarm, it's not surprising that's what most people pick.

Re: Adding Kubernetes support to the Docker platform

#10
post #7

Seems that people think Docker has gave in, but I am not that sure. If you can switch between Swarm/Kubernetes transparently, then why wouldn't you start with Swarm? (I'm talking about small companies who're just starting with containers.)

Why wouldn’t you start with Kubes? Less vendor lock in and a much bigger community.
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