fix docker version issue.

[morvencao]

What this PR does / why we need it:

In ubuntu, the latest docker version(18.09) is incompatible with kubeadm, resulting user-data executing failure. See: kubernetes/minikube#3323

/cc @gyliu513 @xunpan

[k8s-ci-robot]

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[k8s-ci-robot]

Hi @morvencao. Thanks for your PR.

I'm waiting for a kubernetes-sigs or kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[gyliu513]

/ok-to-test
/lgtm

FYI @jichenjc

[jichenjc]

ok, seems reasonable ,thanks for sharing~

[chrigl]

Is this a thing any more? I am able to create new machines with Ubuntu 16.04 and 18.04. Both come up with the latest docker version.

openstack-node-test2     Ready    <none>   11s     v1.13.5   10.0.0.13     <none>            Ubuntu 16.04.3 LTS   4.4.0-112-generic   docker://18.9.2
openstack-node-test3     Ready    <none>   3m23s   v1.13.5   10.0.0.18     <none>            Ubuntu 18.04.2 LTS   4.15.0-45-generic   docker://18.9.2

[jichenjc]

I actually hit some issue yesterday on 18.04 , it tells me docker version doesn't not support 18.09
so I guess last 24 hours some fix got upstreamed and kubeadm is updated..

[jichenjc]

I can try tomorrow again and see whether same issue still there

[gyliu513]

@morvencao Can you try latest build? @jichenjc has upgraded Kubernetes to 1.14.0 and it should works.

[morvencao]

@gyliu513 Thanks, let me give it a try.

[gyliu513]

/lgtm cancel

@morvencao please close this one if installation goes well.

[gyliu513]

@morvencao so the latest user-data works?

[morvencao]

Got timeout from clusterctl log, but I could manually execute the latest user-data on the provisioned machine.

It doesn't look like docker version issue now.

BTW, the version of provisioned cluster is v1.14.