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What are the changes to kubelet in kubernetes 1.2.0 version? for this question, this article introduces the corresponding analysis and solution in detail, hoping to help more partners who want to solve this problem to find a more simple and easy way.

Kubelet startup error for kubernetes version 1.2.0:

I0316 21 container runtime is down 39RU 13.701857 60146 kubelet.go:2381] skipping pod synchronization-[container runtime is down]

E0316 21:39:14.216490 60146 kubelet.go:2726] Container runtime sanity check failed: container runtime version is older than 1.18

Looking at the version of docker, there was no problem with kubernetes 1.1.0 before.

[root@localhost ~] # docker version

Client version: 1.5.0

Client API version: 1.17

Go version (client): go1.3.3

Git commit (client): a8a31ef/1.5.0

OS/Arch (client): linux/amd64

Server version: 1.5.0

Server API version: 1.17

Go version (server): go1.3.3

Git commit (server): a8a31ef/1.5.0

The feeling is that Client API version is relatively low, and kube 1.2.0 does not support it.

Confirm that it is the kube 1.2 version that requires docker. The api version of docker is greater than 1.18. Now the docker version is:

[root@localhost ~] # docker version

Client:

Version: 1.8.2-el7.centos

API version: 1.20

Package Version: docker-1.8.2-10.el7.centos.x86_64

Go version: go1.4.2

Git commit: a01dc02/1.8.2

Built:

OS/Arch: linux/amd64

Server:

Version: 1.8.2-el7.centos

API version: 1.20

Package Version:

Go version: go1.4.2

Git commit: a01dc02/1.8.2

Built:

OS/Arch: linux/amd64

Summary:

1. The change range of kubernetes 1.2is larger than that of kubernetes 1.1.It can be used as a trial test.

2. Kubernetes 1.2 requires that the api version of docker is greater than 1.18. You can upgrade the corresponding docker version according to the situation.

This is the answer to the question about what changes have been made to kubelet in kubernetes 1.2.0. I hope the above content can be of some help to you. If you still have a lot of doubts to solve, you can follow the industry information channel for more related knowledge.

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