upgrade to go 1.9

[priyawadhwa]

#2095

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[minikube-bot]

Can one of the admins verify this patch?

[r2d4]

@minikube-bot add to whitelist

[r2d4]

Not sure how these are actually versioned, but you might want to try these kube-cross tags

$ gcloud container images list-tags gcr.io/google_containers/kube-cross
DIGEST        TAGS             TIMESTAMP
058ef002ff6a  v1.9.1-1         2017-10-16T14:23:55
7de0c648dfc1  v1.8.3-3         2017-10-02T17:09:08
37e2cf0ec470                   2017-10-02T16:38:16
890905b75b63  v1.8.3-2         2017-07-13T15:53:26
bf9d8c19414c  v1.7.6-k8s1.6-0  2017-05-25T11:49:37
9fda5e764ad7  v1.7.6-k8s1.5-0  2017-05-25T10:49:25
762d8f636782  v1.8.3-1         2017-05-25T02:31:12
ac1327a97b1b  v1.8.1-2         2017-05-16T04:30:25
fc8102dcf9ad                   2017-05-16T01:40:27
9805015b6c75  v1.8.1-1         2017-04-17T15:47:40

[priyawadhwa]

Thanks! Also, I just checked and there actually isn't an image in 1.9 for the hyperkit build image, so should we only update the build image or leave them both at 1.8.3?

[r2d4]

There's a PR open for 1.9.1 for karalabe/xgo
karalabe/xgo#92

I think its fine to just update the minikube ones (BUILD_IMAGE) for now - those are the ones that might be a little tricky with the vendoring.

There should be no problem with building the hyperkit driver with 1.8 and minikube with 1.9 for a bit.

[priyawadhwa]

I signed it!

[codecov-io]

Codecov Report

Merging #2113 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2113   +/-   ##
=======================================
  Coverage   28.86%   28.86%           
=======================================
  Files          81       81           
  Lines        5307     5307           
=======================================
  Hits         1532     1532           
  Misses       3582     3582           
  Partials      193      193

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[r2d4]

Nice!