hotfix: return error instead of log at `FromMapAndOption` #5381

chansuke · 2023-10-12T13:33:11Z

k8s-ci-robot · 2023-10-12T13:33:15Z

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k8s-ci-robot · 2023-10-12T13:33:21Z

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k8s-ci-robot · 2023-10-12T13:33:22Z

Hi @chansuke. Thanks for your PR.

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api/internal/plugins/utils/utils_test.go

DiptoChakrabarty · 2023-10-13T17:17:44Z

also seems like the tests are failing can you go ahead and fix them

koba1t

I think we should avoid the fatal function.
But we are currently using log.Fatal(), and we can fix it with the next PR.
https://github.com/kubernetes-sigs/kustomize/pull/5381/files#diff-9041e805f414eb549e8ebcf4f2b82c1f40403e3ebe86a1f67f9c76718bd91797L65

I think this PR is moving forward to the first step and is useful for kustomize.

@chansuke
Thanks for your contribution!
I added any comments, Could you check it?

koba1t · 2023-10-14T16:35:03Z

api/internal/plugins/utils/utils_test.go

-		err = expected.Append(makeConfigMapOptions(rf, name, c.behavior, !c.needsHash))
+		config, err := makeConfigMapOptions(rf, name, c.behavior, !c.needsHash)
+		if err != nil {
+			t.Errorf("unexpected error: %v", err)


I think the unexpected error message is confusing.
Could you add any meaningful message?

koba1t · 2023-10-14T16:35:19Z

api/resmap/reswrangler_test.go

-		}))
+		})
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)


koba1t · 2023-10-14T16:35:31Z

api/resmap/reswrangler_test.go

-		}))
+		})
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)


koba1t · 2023-10-14T16:35:41Z

api/resmap/reswrangler_test.go

-	assert.NoError(t, w.AbsorbAll(makeMap2(types.BehaviorMerge)))
+		})
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)


koba1t · 2023-10-14T16:38:04Z

api/resmap/reswrangler_test.go

+	err = w.AbsorbAll(w2)
 	assert.Error(t, err)


If you can, Could you summarize it in one line?

koba1t · 2023-10-14T16:41:15Z

api/resource/factory.go

-	return rf.FromMapAndOption(m, nil)
+	res, err := rf.FromMapAndOption(m, nil)
+	if err != nil {
+		log.Fatal("Option must not be null")


It looks like this line abandoned a non-nil error.
Could you make a change to print the substance of the returned error?

koba1t · 2023-10-14T16:41:22Z

api/resource/factory.go

-	r := rf.FromMapAndOption(m, nil)
+	r, err := rf.FromMapAndOption(m, nil)
+	if err != nil {
+		log.Fatal("Option must not be null")


chansuke · 2023-10-15T04:15:10Z

@koba1t I appreciate your feedback and review! I will go fix them.

chansuke · 2023-10-15T05:29:14Z

@koba1t I've addressed your comments and made the necessary changes. Please take a look 🙏
And I'd like to work on this in the next PR if it's possible 🙇

I think we should avoid the fatal function.
But we are currently using log.Fatal(), and we can fix it with the next PR.

natasha41575 · 2023-10-16T17:07:41Z

/ok-to-test

koba1t · 2023-10-17T19:05:24Z

/label tide/merge-method-squash

koba1t · 2023-10-17T19:29:05Z

@chansuke

Thanks for the fix!
Looks good for me!

/lgtm

@natasha41575
Would you like to review this PR, or do you have any opinions?
In the meantime, I look forward to your reply.

natasha41575 · 2023-10-19T14:47:34Z

@koba1t Thanks! I'll take a look on friday

natasha41575 · 2023-10-20T15:15:31Z

api/resource/factory.go

-	return rf.FromMapAndOption(m, nil)
+	res, err := rf.FromMapAndOption(m, nil)
+	if err != nil {
+		log.Fatalf("failed to create resource from map: %v", err)


I think the idea of the TODO was to return the error all the way to the top, e.g. completely avoid the use of log.Fatalf for this. That would mean FromMap and FromMapWithNamespaceAndName should the error, instead of doing log.Fatalf here, and likewise all the way up.

Looks like you and @koba1t already had a discussion about potentially doing that in a follow-up PR. I think that's fine to do in a followup, but in that case could we keep the TODO here?

if err != nil { // TODO: return err instead of log. log.Fatalf("failed to create resource from map: %v", err) }

@natasha41575 Thank you for the review. Yes, I will put the TODO comment again

natasha41575 · 2023-10-20T15:15:37Z

api/resource/factory.go

-	r := rf.FromMapAndOption(m, nil)
+	r, err := rf.FromMapAndOption(m, nil)
+	if err != nil {
+		log.Fatalf("failed to create resource from map: %v", err)


chansuke · 2023-10-22T10:47:59Z

@natasha41575 Updated the code. Please take a look.

natasha41575

/lgtm
/approve

k8s-ci-robot · 2023-10-27T20:33:48Z

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chansuke, natasha41575

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LGTM was given above

…-sigs#5381) * hotfix: return error instead of log at `FromMapAndOption` * chore: show error message * hotfix: use correct function * hotix: use `t.Helper()` and fix `t *testing.T order * hotfix: wrapt the error of `FromMapAndOption` * hotfix: meaningful message for an error * hotfix: summarize in one line * hotfix: fix the abandoned error and show meaningful message * hotfix: start with helper function * Keep TODO comment

chansuke added 2 commits October 12, 2023 22:19

hotfix: return error instead of log at FromMapAndOption

7f3334c

chore: show error message

5eb100c

k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Oct 12, 2023

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 Oct 12, 2023

k8s-ci-robot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Oct 12, 2023

k8s-ci-robot requested review from koba1t and yuwenma October 12, 2023 13:33

DiptoChakrabarty reviewed Oct 13, 2023

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api/internal/plugins/utils/utils_test.go Outdated Show resolved Hide resolved

chansuke added 3 commits October 14, 2023 13:14

hotfix: use correct function

1849ddf

hotix: use t.Helper() and fix `t *testing.T order

c8172de

hotfix: wrapt the error of FromMapAndOption

18ba44d

chansuke requested a review from DiptoChakrabarty October 14, 2023 08:22

koba1t previously requested changes Oct 14, 2023

View reviewed changes

chansuke added 3 commits October 15, 2023 13:51

hotfix: meaningful message for an error

6752985

hotfix: summarize in one line

da28bfa

hotfix: fix the abandoned error and show meaningful message

6cd6816

chansuke force-pushed the return_err_insteadof_log branch from 171d984 to 6cd6816 Compare October 15, 2023 05:20

chansuke requested a review from koba1t October 15, 2023 05:29

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 Oct 16, 2023

hotfix: start with helper function

54b6056

k8s-ci-robot added the tide/merge-method-squash Denotes a PR that should be squashed by tide when it merges. label Oct 17, 2023

k8s-ci-robot assigned koba1t Oct 17, 2023

k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Oct 17, 2023

natasha41575 suggested changes Oct 20, 2023

View reviewed changes

Keep TODO comment

aa7984c

k8s-ci-robot removed the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Oct 21, 2023

chansuke requested a review from natasha41575 October 21, 2023 06:26

natasha41575 reviewed Oct 27, 2023

View reviewed changes

k8s-ci-robot assigned natasha41575 Oct 27, 2023

k8s-ci-robot added lgtm "Looks good to me", indicates that a PR is ready to be merged. approved Indicates a PR has been approved by an approver from all required OWNERS files. labels Oct 27, 2023

natasha41575 approved these changes Oct 27, 2023

View reviewed changes

k8s-ci-robot merged commit e002b49 into kubernetes-sigs:master Oct 27, 2023
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chansuke mentioned this pull request Mar 27, 2024

fix: return error instead of log.Fatalf() #5625

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hotfix: return error instead of log at `FromMapAndOption` #5381

hotfix: return error instead of log at `FromMapAndOption` #5381

chansuke commented Oct 12, 2023 •

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hotfix: return error instead of log at FromMapAndOption #5381

hotfix: return error instead of log at FromMapAndOption #5381

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chansuke commented Oct 15, 2023

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k8s-ci-robot commented Oct 27, 2023

hotfix: return error instead of log at `FromMapAndOption` #5381

hotfix: return error instead of log at `FromMapAndOption` #5381

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