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Make hyperkit driver more robust: detect crashing, misinstallation, other process names #3660

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merged 11 commits into from
Feb 15, 2019
Merged

Make hyperkit driver more robust: detect crashing, misinstallation, other process names #3660

merged 11 commits into from
Feb 15, 2019

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tstromberg
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Things I ran into today when I had an older hyperkit driver installed and tried to update it, badly.

Also adds logging for DHCP lease discovery.

@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Feb 12, 2019
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: tstromberg

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Feb 12, 2019
@k8s-ci-robot k8s-ci-robot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Feb 12, 2019
@k8s-ci-robot k8s-ci-robot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Feb 13, 2019
@tstromberg tstromberg changed the title Improve VM re-use reliability: detect crashing and/or badly installed hyperkit hyperkit: Improve reliability and debuggability when re-using an existing VM Feb 13, 2019
@tstromberg tstromberg changed the title hyperkit: Improve reliability and debuggability when re-using an existing VM hyperkit: Make VM re-use more robust, allow com.docker.hyper process name. Feb 13, 2019
@tstromberg tstromberg changed the title hyperkit: Make VM re-use more robust, allow com.docker.hyper process name. Make hyperkit driver more robust: detect crashing, misinstallation, other process names Feb 13, 2019
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@minikube-bot OK to test

donmccasland
donmccasland approved these changes Feb 14, 2019
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I HIGHLY approve of adding more log.Info messages around tricky start up moments like this

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@minikube-bot OK to test

balopat
balopat approved these changes Feb 14, 2019
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LGTM! Thank you
As discussed, one more suggestion for even better debuggability:

in driver.go, Start()

	logger := log.New(os.Stdout, "hyperkit server - ", 0)
	h.SetLogger(logger)

@tstromberg tstromberg merged commit ceb324b into kubernetes:master Feb 15, 2019
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@donmccasland donmccasland donmccasland approved these changes

@balopat balopat balopat approved these changes

@priyawadhwa priyawadhwa Awaiting requested review from priyawadhwa

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