Delete ioutil as it is Deprecated since Go 1.16 #3157

yanggangtony · 2023-04-02T13:10:41Z

Delete ioutil as it is Deprecated since Go 1.16
ioutil info.

// Deprecated: As of Go 1.16, the same functionality is now provided
// by package [io] or package [os], and those implementations
// should be preferred in new code.
// See the specific function documentation for details.

We can use os and io package for the same logic in the future.

k8s-ci-robot · 2023-04-02T13:10:49Z

Hi @yanggangtony. Thanks for your PR.

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k8s-ci-robot · 2023-04-02T13:10:50Z

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stmcginnis · 2023-04-02T14:49:08Z

The kind project still supports Go versions back to 1.14. The replacements did not exist in the older releases. It should eventually be raised to only support newer go versions, but until that decision is made, this needs to stay with using ioutils.

BenTheElder · 2023-04-02T17:14:42Z

Right, importantly KIND is embeddable as a library for testing purposes, so we take great care in changing the requirements for library users (including adding more dependencies, bumping go version required, etc.)

It might be reasonable to start requiring go1.16, but we should actually do so by changing the go.mod go statement if we're going to. Go 1.16 came out February 2021 about a year after Go 1.14. While go only officially supports 1.19 and 1.20 currently, until very recently Kubernetes itself did not bump go versions on release branches so we could not drop version support as quickly as Go does upstream.

Does this improve anything immediately? Are there any bug fixes we're missing because we haven't moved?
Are these 100% compatible rewrites?

yanggangtony · 2023-04-03T01:00:34Z

@stmcginnis @BenTheElder
Thanks very much for the quick review..

Yes , you are right .
Now the go.mod dependencie is go1.14 .
This pr will hold on until we support go's high version.
At that time , the go.mod and the new's dependencie will import and test careful.

BenTheElder

I see at least one case that isn't clearly equivalent, otherwise I think this looks good and we can do this in the next kind release.

Let's update go.mod to 1.16

BenTheElder · 2023-04-18T19:50:50Z

pkg/fs/fs.go

 	if err != nil {
 		return err
 	}
 	for _, entry := range entries {
 		entrySrc := filepath.Join(src, entry.Name())
 		entryDst := filepath.Join(dst, entry.Name())
-		if err := copy(entrySrc, entryDst, entry); err != nil {
+		fileInfo, _ := entry.Info()


we shouldn't discard this error?

entries, err := os.ReadDir(src)
In the above code , If the err is nil , Maybe deduction the entry.Info() will return normal code without err .

But you are right , we should consider the error side..
I will update it later...

Signed-off-by: yanggang <gang.yang@daocloud.io>

yanggangtony · 2023-04-18T20:58:05Z

Another commit to bump go.mod to 1.16..

BenTheElder · 2023-04-20T21:14:03Z

/ok-to-test

yanggangtony · 2023-04-20T22:22:02Z

/retest

BenTheElder · 2023-04-20T22:30:48Z

Hmm that's a concerning timeout https://prow.k8s.io/view/gs/kubernetes-jenkins/pr-logs/pull/kubernetes-sigs_kind/3157/pull-kind-e2e-kubernetes-1-27/1649154486473592832

I don't think it's related to this PR but ... that's also not something I'd been seeing. It shouldn't take that long to build.

stmcginnis · 2023-05-11T13:50:37Z

/lgtm

BenTheElder

/lgtm
/approve
thanks!

k8s-ci-robot · 2023-05-11T15:36:16Z

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: BenTheElder, yanggangtony

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k8s-ci-robot · 2023-05-11T16:20:20Z

@yanggangtony: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-kind-e2e-kubernetes-1-24	`6749239`	link	unknown	`/test pull-kind-e2e-kubernetes-1-24`

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Apr 2, 2023

k8s-ci-robot requested review from aojea and neolit123 April 2, 2023 13:10

k8s-ci-robot added the needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. label Apr 2, 2023

k8s-ci-robot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Apr 2, 2023

k8s-ci-robot added needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. and removed needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. labels Apr 8, 2023

BenTheElder reviewed Apr 18, 2023

View reviewed changes

yanggang added 2 commits April 19, 2023 04:51

Delete ioutil as it is Deprecated since Go 1.16

6a71698

Signed-off-by: yanggang <gang.yang@daocloud.io>

Bump go.mod to 1.16.

6749239

Signed-off-by: yanggang <gang.yang@daocloud.io>

k8s-ci-robot added ok-to-test Indicates a non-member PR verified by an org member that is safe to test. and removed needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. labels Apr 20, 2023

BenTheElder mentioned this pull request May 2, 2023

Update go and distroless-iptables #3193

Merged

k8s-ci-robot assigned stmcginnis May 11, 2023

k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label May 11, 2023

BenTheElder reviewed May 11, 2023

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k8s-ci-robot assigned BenTheElder May 11, 2023

k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label May 11, 2023

BenTheElder merged commit df2a59f into kubernetes-sigs:main May 11, 2023

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Delete ioutil as it is Deprecated since Go 1.16 #3157

Delete ioutil as it is Deprecated since Go 1.16 #3157

yanggangtony commented Apr 2, 2023

k8s-ci-robot commented Apr 2, 2023

k8s-ci-robot commented Apr 2, 2023

stmcginnis commented Apr 2, 2023

BenTheElder commented Apr 2, 2023

yanggangtony commented Apr 3, 2023 •

edited

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yanggangtony commented Apr 20, 2023

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k8s-ci-robot commented May 11, 2023

k8s-ci-robot commented May 11, 2023

Delete ioutil as it is Deprecated since Go 1.16 #3157

Delete ioutil as it is Deprecated since Go 1.16 #3157

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yanggangtony commented Apr 2, 2023

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yanggangtony commented Apr 3, 2023 •

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