Create documentation for migrating from deprecated (removed in 5.0.0) `patchesStrategicMerge` to `patches` #5052

karlschriek · 2023-02-17T08:06:57Z

Eschewed features

This issue is not requesting templating, unstuctured edits, build-time side-effects from args or env vars, or any other eschewed feature.

What would you like to have added?

Create documentation that explains how to transition from using patchesStrategicMerge and patchesJson6902 to using patches

Why is this needed?

We use patchesStrategicMerge extensively. I have read several issues that say that patches is a superset of patchesStrategicMerge and patchesJson6902, but I am yet to come across a document that explain how to the exact same outcome using the patches directive. Since the old ones have been deprecated, some documentation on how to migrate would be useful.

Can you accomplish the motivating task without this feature, and if so, how?

Yes, if someone could tell me here in this issue how use patches in order to do what I previously did with patchesStrategicMerge

What other solutions have you considered?

None.

Anything else we should know?

No response

Feature ownership

I am interested in contributing this feature myself! 🎉

The text was updated successfully, but these errors were encountered:

lblazewski · 2023-02-17T10:04:46Z

I fully support this since I ran into this issue today: #3481 (comment)

mgazza · 2023-02-23T09:15:44Z

I have noticed the following changes.

patchesStrategicMerge allowed multiple patches to exist in a single patch file separated by ---, patches doesn't
regardless of the Kind, Group, Metadata.Name etc existing in the patch it has to be specified in the target

natasha41575 · 2023-02-23T16:40:56Z

@mgazza What you've described is a separate issue, and is captured by #5049, which we have decided to accept.

KnVerey · 2023-03-15T22:25:49Z

Create documentation for migrating from deprecated (removed in 5.0.0)

Just so we are on the same page: the patchesStrategicMerge and patchesJson6902 fields are deprecated in v5, not removed. They will never be removed from the Kustomization v1beta1 type, but at some point, we will create a Kustomization v1 type that will no longer include them. After that (likely years away), we will eventually stop supporting v1beta1. We've announced the deprecation early so that folks will start with and migrate to the newer fields, and report any shortcomings we need to address in them, such as #5049 .

Ideally, the migration path is simple: you run kustomize edit fix, and your Kustomization is updated for you (#5040 is an outstanding issue with that / an alternative to #5049 ). The edit fix command is already mentioned in the docs: see the end of the deprecation notice here for example. Is there a particular conversion that is not working for you, or that you are wanting to do manually and unsure how? Generally speaking, you need to add either the patch: or the path: key before each existing value, as appropriate based on the content.

/triage needs-information
/remove-kind feature
/kind documentation

asaf400 · 2023-04-27T16:04:37Z

I have noticed the following changes.

patchesStrategicMerge allowed multiple patches to exist in a single patch file separated by ---, patches doesn't
@mgazza

Correct, and when using kustomize edit fix as suggested by latest v5.0.1, it breaks the kustomize build,
becuase as noted, patchesStrategicMerge allowed multiple patches..

I guess this is tracked here #5049

TOHUHM · 2023-08-21T02:29:27Z

looked for a while to do the migration, in my scenario, it's simple, just

from
"patchesStrategicMerge:
- patch-flux_kustomization.yaml"
to
"patches:
- path: patch-flux_kustomization.yaml"

you can find more on the official website:

https://kubectl.docs.kubernetes.io/references/kustomize/kustomization/patches/

schlichtanders · 2023-10-09T07:45:25Z

kustomize edit fix does not work for me. First I don't have kustomize installed, need to use kubectl kustomize edit fix instead, and that gives error message

error: specify one path to kustomization.yaml

I tried it with kubectl kustomize edit fix overlays/myoverlay and also with pointing directly the kustomization.yaml - it always gives the same error. Also kubectl kustomize edit fix --help seems to output a help on kubectl kustomize instead. So the official error, stating I should use kustomize edit fix was very much useless for me.

cyberslot · 2023-10-15T09:34:29Z

kustomize edit fix does not work for me. First I don't have kustomize installed, need to use kubectl kustomize edit fix instead, and that gives error message
error: specify one path to kustomization.yaml
I tried it with kubectl kustomize edit fix overlays/myoverlay and also with pointing directly the kustomization.yaml - it always gives the same error. Also kubectl kustomize edit fix --help seems to output a help on kubectl kustomize instead. So the official error, stating I should use kustomize edit fix was very much useless for me.

I'm experiencing exactly the same behavior.

sbocinec · 2023-10-17T10:06:00Z

@schlichtanders @cyberslot you mention using kustomize bundled with kubectl (kubectl kustomize) - can you ensure you use kubectl version 1.27+ ? Older versions of kubectl bundled v4 version of the kustomize. You can check with kubectl version.

cyberslot · 2023-10-17T11:09:17Z

@sbocinec Personally, I've tried both ways without success.

k version
Client Version: v1.28.2
Kustomize Version: v5.0.4-0.20230601165947-6ce0bf390ce3
Server Version: v1.28.1-gke.1066000

kustomize version
v5.1.1

sfxworks · 2023-10-20T20:43:05Z

Same for me,

[sam@sam-redhat-laptop copypvc]$ kubectl kustomize edit fix overlays/example/kustomization.yaml 
error: specify one path to kustomization.yaml
[sam@sam-redhat-laptop copypvc]$ kubectl kustomize edit fix overlays/example
error: specify one path to kustomization.yaml

[sam@sam-redhat-laptop copypvc]$ kubectl version
Client Version: v1.28.2
Kustomize Version: v5.0.4-0.20230601165947-6ce0bf390ce3

Skoucail · 2023-10-31T15:54:20Z

Same for me,

[sam@sam-redhat-laptop copypvc]$ kubectl kustomize edit fix overlays/example/kustomization.yaml 
error: specify one path to kustomization.yaml
[sam@sam-redhat-laptop copypvc]$ kubectl kustomize edit fix overlays/example
error: specify one path to kustomization.yaml

[sam@sam-redhat-laptop copypvc]$ kubectl version
Client Version: v1.28.2
Kustomize Version: v5.0.4-0.20230601165947-6ce0bf390ce3

Same issue with same versions

mihaigalos · 2023-11-21T09:58:28Z

How would one now handle semantically "empty" kustomization.yaml files with >v5.0.0 such as the following:

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization

Building a base that references this file yields an error:

deployment/base/resource-quotas': kustomization.yaml is empty

The file and folder hierarchy is still needed for legacy reasons.

mgazza · 2023-11-21T21:07:59Z

How would one now handle semantically "empty" kustomization.yaml files with >v5.0.0 such as the following:
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
Building a base that references this file yields an error:

deployment/base/resource-quotas': kustomization.yaml is empty

The file and folder hierarchy is still needed for legacy reasons.

Have you tried turning this into a component?
You could add a dummy image mapping or something like that

mihaigalos · 2023-11-21T21:09:31Z

~~I used an empty.yaml and referenced it in resources in kustomization.yaml.~~
I just used an empty list like so: resources: []

The `patchesStrategicMerge` keyword has been deprecated for a while [1]; we should be using the `patches` keyword for both strategic merge and JSONPatch patches. [1]: kubernetes-sigs/kustomize#5052

k8s-triage-robot · 2024-02-21T15:53:31Z

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/lifecycle stale

robin-wayve · 2024-02-27T16:55:55Z

/remove-lifecycle stale

surajkrishan · 2024-03-01T08:02:03Z

same issue : /

jmmclean · 2024-06-05T12:07:59Z

This thread is pretty dead, but figured I'd chime in. I used to have all my strategic merge patches under the patches key in my kustomization.yml file. This no longer works w/ the 5.x schema change.

First thing I did was change the key to be patchesStrategicMerge (yes, I know it is deprecated, but needed for the the edit fix command to run), otherwise the kustomize edit fix command would yield:

Error: invalid Kustomization: json: cannot unmarshal string into Go struct field Kustomization.patches of type types.Patch

Once I change the key and run edit fix, my kustomization.yml is mutated, but still fails w/ a panic below:

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x2 addr=0x40 pc=0x1051fe4b4]

goroutine 1 [running]:
sigs.k8s.io/kustomize/kyaml/yaml.(*RNode).Content(...)
	sigs.k8s.io/kustomize/kyaml/yaml/rnode.go:724
sigs.k8s.io/kustomize/kyaml/yaml.(*RNode).getMapFieldValue(0x14000040570?, {0x1053556c4?, 0x140005b89b8?})
	sigs.k8s.io/kustomize/kyaml/yaml/rnode.go:437 +0x54
sigs.k8s.io/kustomize/kyaml/yaml.(*RNode).GetApiVersion(...)
	sigs.k8s.io/kustomize/kyaml/yaml/rnode.go:419
sigs.k8s.io/kustomize/kyaml/resid.GvkFromNode(0x140001010e0)
	sigs.k8s.io/kustomize/kyaml/resid/gvk.go:32 +0x40
sigs.k8s.io/kustomize/api/resource.(*Resource).GetGvk(...)
	sigs.k8s.io/kustomize/api/resource/resource.go:57
sigs.k8s.io/kustomize/api/resource.(*Resource).CurId(0x140001010e0)
	sigs.k8s.io/kustomize/api/resource/resource.go:462 +0x48
sigs.k8s.io/kustomize/api/resmap.(*resWrangler).GetMatchingResourcesByAnyId(0x140005b8d98?, 0x14000681a40)
	sigs.k8s.io/kustomize/api/resmap/reswrangler.go:184 +0xac
sigs.k8s.io/kustomize/api/resmap.demandOneMatch(0x140005b8e98, {{{0x14000e76828, 0x14}, {0x14000e7683d, 0x2}, {0x14000e76840, 0x18}, 0x1}, {0x140018c3100, 0x19}, ...}, ...)
	sigs.k8s.io/kustomize/api/resmap/reswrangler.go:227 +0xc8
sigs.k8s.io/kustomize/api/resmap.(*resWrangler).GetById(0x140005b0780?, {{{0x14000e76828, 0x14}, {0x14000e7683d, 0x2}, {0x14000e76840, 0x18}, 0x1}, {0x140018c3100, 0x19}, ...})
	sigs.k8s.io/kustomize/api/resmap/reswrangler.go:214 +0x9c
sigs.k8s.io/kustomize/api/internal/builtins.(*PatchTransformerPlugin).transformStrategicMerge(0x2e?, {0x105640800, 0x14001b80ca8})
	sigs.k8s.io/kustomize/api/internal/builtins/PatchTransformer.go:112 +0x2dc
sigs.k8s.io/kustomize/api/internal/builtins.(*PatchTransformerPlugin).Transform(0x14001b80ca8?, {0x105640800?, 0x14001b80ca8?})
	sigs.k8s.io/kustomize/api/internal/builtins/PatchTransformer.go:87 +0x2c
sigs.k8s.io/kustomize/api/internal/target.(*multiTransformer).Transform(0x140007b5c70?, {0x105640800, 0x14001b80ca8})
	sigs.k8s.io/kustomize/api/internal/target/multitransformer.go:30 +0x88
sigs.k8s.io/kustomize/api/internal/accumulator.(*ResAccumulator).Transform(...)
	sigs.k8s.io/kustomize/api/internal/accumulator/resaccumulator.go:141
sigs.k8s.io/kustomize/api/internal/target.(*KustTarget).runTransformers(0x140007b5c70, 0x14002102c20)
	sigs.k8s.io/kustomize/api/internal/target/kusttarget.go:343 +0x1ac
sigs.k8s.io/kustomize/api/internal/target.(*KustTarget).accumulateTarget(0x140007b5c70, 0x7?)
	sigs.k8s.io/kustomize/api/internal/target/kusttarget.go:237 +0x318
sigs.k8s.io/kustomize/api/internal/target.(*KustTarget).AccumulateTarget(0x140007b5c70)
	sigs.k8s.io/kustomize/api/internal/target/kusttarget.go:194 +0x104
sigs.k8s.io/kustomize/api/internal/target.(*KustTarget).makeCustomizedResMap(0x140007b5c70)
	sigs.k8s.io/kustomize/api/internal/target/kusttarget.go:135 +0x68
sigs.k8s.io/kustomize/api/internal/target.(*KustTarget).MakeCustomizedResMap(...)
	sigs.k8s.io/kustomize/api/internal/target/kusttarget.go:126
sigs.k8s.io/kustomize/api/krusty.(*Kustomizer).Run(0x140005b9b28, {0x10563b7a0, 0x105c25ea8}, {0x10548b5a8, 0x1})
	sigs.k8s.io/kustomize/api/krusty/kustomizer.go:90 +0x248
sigs.k8s.io/kustomize/kustomize/v5/commands/build.NewCmdBuild.func1(0x14000314608, {0x0?, 0x14000634880?, 0x10562f4f8?})
	sigs.k8s.io/kustomize/kustomize/v5/commands/build/build.go:84 +0x15c
sigs.k8s.io/kustomize/kustomize/v5/commands/edit/fix.RunFix({0x10563b7a0, 0x105c25ea8}, {0x10562f278, 0x14000196048})
	sigs.k8s.io/kustomize/kustomize/v5/commands/edit/fix/fix.go:91 +0x1d0
sigs.k8s.io/kustomize/kustomize/v5/commands/edit/fix.NewCmdFix.func1(0x14000207000?, {0x10535268c?, 0x4?, 0x105352690?})
	sigs.k8s.io/kustomize/kustomize/v5/commands/edit/fix/fix.go:35 +0x2c
github.com/spf13/cobra.(*Command).execute(0x140002c7b08, {0x105c25ea8, 0x0, 0x0})
	github.com/spf13/[email protected]/command.go:983 +0x840
github.com/spf13/cobra.(*Command).ExecuteC(0x1400025a608)
	github.com/spf13/[email protected]/command.go:1115 +0x344
github.com/spf13/cobra.(*Command).Execute(0x105b1bec8?)
	github.com/spf13/[email protected]/command.go:1039 +0x1c
main.main()
	sigs.k8s.io/kustomize/kustomize/v5/main.go:14 +0x20

Turns out, I had to add the target key to the patch object (in the patches key (type PatchesPatchPath)) in order to receive a more appropriate error message. Not sure why the kustomize edit fix command executes if it creates the above panic...but hopefully this comment helps someone else. My issue then became:

Error: Multiple Strategic-Merge Patches in one `patches` entry is not allowed to set `patches.target` field: [path: "patch/crd-remove.yml"]

So, once i split out my patch file so it was only 1 patch per file, my error went away and everything was gravy (no target needed once multiple patches in single file was resolved)

> kustomize version
v5.4.2

Hyolog · 2024-06-11T06:32:51Z

I had the same problem and solved it as below.
I just used the "path" keyword in the "patches" command together

before

kustomization.yaml

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: argo
resources:
- ../../base
patchesStrategicMerge:
- rollout-replicas-patch.yaml

after

kustomization.yaml

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: argo
resources:
- ../../base
patches:
  - path: rollout-replicas-patch.yaml

If I delete the "path" keyword, the error below occurs.

error: invalid Kustomization: json: cannot unmarshal string into Go struct field Kustomization.patches of type types.Patch

Ref

my kubectl version info

montanaflynn · 2024-07-18T21:18:58Z

No idea how to use kubectl kustomize edit fix, I always get this error:

error: specify one path to kustomization.yaml

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karlschriek added the kind/feature Categorizes issue or PR as related to a new feature. label Feb 17, 2023

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olfway mentioned this issue Mar 29, 2023

Upgrade kustomize to v5.0.1 kbst/terraform-provider-kustomization#227

Merged

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feat: Add config parameters for k8s volume sizes overhangio/tutor#675

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feat: add extra plugin eduNEXT/drydock#48

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Custom grafana dashboard OCP-on-NERC/nerc-ocp-config#317

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Create documentation for migrating from deprecated (removed in 5.0.0) `patchesStrategicMerge` to `patches` #5052

Create documentation for migrating from deprecated (removed in 5.0.0) `patchesStrategicMerge` to `patches` #5052

karlschriek commented Feb 17, 2023 •

edited

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lblazewski commented Feb 17, 2023 •

edited

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mgazza commented Feb 23, 2023

natasha41575 commented Feb 23, 2023

KnVerey commented Mar 15, 2023

asaf400 commented Apr 27, 2023 •

edited

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TOHUHM commented Aug 21, 2023 •

edited

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schlichtanders commented Oct 9, 2023

cyberslot commented Oct 15, 2023

sbocinec commented Oct 17, 2023

cyberslot commented Oct 17, 2023

sfxworks commented Oct 20, 2023

Skoucail commented Oct 31, 2023

mihaigalos commented Nov 21, 2023 •

edited

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mgazza commented Nov 21, 2023

mihaigalos commented Nov 21, 2023 •

edited

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k8s-triage-robot commented Feb 21, 2024

robin-wayve commented Feb 27, 2024

surajkrishan commented Mar 1, 2024

jmmclean commented Jun 5, 2024 •

edited

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Hyolog commented Jun 11, 2024

montanaflynn commented Jul 18, 2024

k8s-triage-robot commented Oct 16, 2024

k8s-triage-robot commented Nov 15, 2024

Create documentation for migrating from deprecated (removed in 5.0.0) patchesStrategicMerge to patches #5052

Create documentation for migrating from deprecated (removed in 5.0.0) patchesStrategicMerge to patches #5052

Comments

karlschriek commented Feb 17, 2023 • edited Loading

Eschewed features

What would you like to have added?

Why is this needed?

Can you accomplish the motivating task without this feature, and if so, how?

What other solutions have you considered?

Anything else we should know?

Feature ownership

lblazewski commented Feb 17, 2023 • edited Loading

mgazza commented Feb 23, 2023

natasha41575 commented Feb 23, 2023

KnVerey commented Mar 15, 2023

asaf400 commented Apr 27, 2023 • edited Loading

TOHUHM commented Aug 21, 2023 • edited Loading

schlichtanders commented Oct 9, 2023

cyberslot commented Oct 15, 2023

sbocinec commented Oct 17, 2023

cyberslot commented Oct 17, 2023

sfxworks commented Oct 20, 2023

Skoucail commented Oct 31, 2023

mihaigalos commented Nov 21, 2023 • edited Loading

mgazza commented Nov 21, 2023

mihaigalos commented Nov 21, 2023 • edited Loading

k8s-triage-robot commented Feb 21, 2024

robin-wayve commented Feb 27, 2024

surajkrishan commented Mar 1, 2024

jmmclean commented Jun 5, 2024 • edited Loading

Hyolog commented Jun 11, 2024

before

after

Ref

montanaflynn commented Jul 18, 2024

k8s-triage-robot commented Oct 16, 2024

k8s-triage-robot commented Nov 15, 2024

Create documentation for migrating from deprecated (removed in 5.0.0) `patchesStrategicMerge` to `patches` #5052

Create documentation for migrating from deprecated (removed in 5.0.0) `patchesStrategicMerge` to `patches` #5052

karlschriek commented Feb 17, 2023 •

edited

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lblazewski commented Feb 17, 2023 •

edited

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asaf400 commented Apr 27, 2023 •

edited

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TOHUHM commented Aug 21, 2023 •

edited

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mihaigalos commented Nov 21, 2023 •

edited

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mihaigalos commented Nov 21, 2023 •

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jmmclean commented Jun 5, 2024 •

edited

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