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Upgrades: Implement preflight checks #206

Merged
merged 8 commits into from
Feb 21, 2019
Merged

Upgrades: Implement preflight checks #206

merged 8 commits into from
Feb 21, 2019

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xmudrii
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@xmudrii xmudrii commented Feb 18, 2019

What this PR does / why we need it:

This PR implements preflight checks for upgrades. Work in progress; do not merge.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #200

Special notes for your reviewer:

Documentation:

Release note:

NONE

@kubermatic-bot kubermatic-bot added do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. release-note-none Denotes a PR that doesn't merit a release note. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Feb 18, 2019
@xmudrii xmudrii force-pushed the upgrades/preflight-checks branch 5 times, most recently from 87c3ffe to f07c474 Compare February 20, 2019 09:44
@xmudrii xmudrii requested a review from kron4eg February 20, 2019 09:44
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xmudrii commented Feb 20, 2019

/assign @kron4eg

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kron4eg commented Feb 20, 2019 

pkg/upgrader/upgrade/preflight_checks.go:164:8: declaration of "err" shadows declaration at pkg/upgrader/upgrade/preflight_checks.go:149 (govet)
--
5 | ver, err := parseContainerImageVersion(p.Spec.Containers[0])
6 | ^
7 | Makefile:22: recipe for target 'lint' failed

@kubermatic-bot kubermatic-bot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Feb 20, 2019
@xmudrii xmudrii force-pushed the upgrades/preflight-checks branch from e1bf279 to aa92c99 Compare February 20, 2019 13:30
@xmudrii xmudrii changed the title [WIP] Upgrades: Implement preflight checks Upgrades: Implement preflight checks Feb 20, 2019
@kubermatic-bot kubermatic-bot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Feb 20, 2019
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kron4eg reviewed Feb 20, 2019
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super awesome!

minor notices applied

pkg/cmd/upgrade.go Outdated Show resolved Hide resolved
pkg/upgrader/upgrade/preflight_checks.go Outdated Show resolved Hide resolved
pkg/upgrader/upgrader.go Outdated Show resolved Hide resolved
pkg/upgrader/upgrade/preflight_checks.go Outdated Show resolved Hide resolved
pkg/upgrader/upgrade/preflight_checks.go
fmt.Printf("Pod %s is running apiserver version %s\n", p.ObjectMeta.Name, ver.String())
}
if apiserverVersion == nil {
apiserverVersion = ver
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I'm no sure about this logic, probably we need to find biggest version on apiserver in cluster.

It's needed because kubeone upgarde can fail (temporary, for network reasons for example), and on the second run you could have different versions of apiserver on different nodes.

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kron4eg commented Feb 21, 2019

@xmudrii this PR needs a rebase

@xmudrii xmudrii force-pushed the upgrades/preflight-checks branch from aa92c99 to c42a86a Compare February 21, 2019 08:44
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xmudrii commented Feb 21, 2019

@kron4eg done and also fixed comments regarding imports and spaces. I'm now fixing comments regarding version and prerequisites check

@xmudrii xmudrii force-pushed the upgrades/preflight-checks branch from 73282b9 to b4ca039 Compare February 21, 2019 09:45
@xmudrii xmudrii force-pushed the upgrades/preflight-checks branch from b4ca039 to c66e1cb Compare February 21, 2019 09:47
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kron4eg commented Feb 21, 2019

/lgtm
/approve

@kubermatic-bot kubermatic-bot added the lgtm Indicates that a PR is ready to be merged. label Feb 21, 2019
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LGTM label has been added.

Git tree hash: 9460a4fa8d00761d40c2c971499e9365c101aac7

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kron4eg

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@kubermatic-bot kubermatic-bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Feb 21, 2019
@kubermatic-bot kubermatic-bot merged commit ba3aae4 into master Feb 21, 2019
@kubermatic-bot kubermatic-bot deleted the upgrades/preflight-checks branch February 21, 2019 10:52
@kdomanski kdomanski mentioned this pull request Feb 26, 2019
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Build pre-flight checks for kubeone upgrade
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