container: crio: Return more informative error

[haircommander]

Before, making a ContainerInfo request returned an uninformative message about failing to decode json.
Fix this by catching response codes that aren't 200, and return a more informative message.

Signed-off-by: Peter Hunt pehunt@redhat.com

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[k8s-ci-robot]

Hi @haircommander. Thanks for your PR.

I'm waiting for a google 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.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[haircommander]

I signed it!

[googlebot]

CLAs look good, thanks!

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[haircommander]

@mrunalp PTAL

[dashpole]

/ok-to-test

[dashpole]

This lgtm. Ill let @mrunalp take a look before I merge it.

[mrunalp]

lgtm. Thanks!