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Use --patch-file in documentation 

--patch-file is designed for file input, using a subshell `--patch $(cat filename.yaml)` is unecessary
pull/31009/head
Mike Monteith 2021-12-17 15:00:35 +00:00 committed by GitHub
parent a370ca2b42
commit f7d717d2fe
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41
content/en/docs/tasks/manage-kubernetes-objects/update-api-object-kubectl-patch.md
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@ -70,14 +70,9 @@ spec:
Patch your Deployment:
{{< tabs name="kubectl_patch_example" >}}
{{{< tab name="Bash" codelang="bash" >}}
kubectl patch deployment patch-demo --patch "$(cat patch-file.yaml)"
{{< /tab >}}
{{< tab name="PowerShell" codelang="posh" >}}
kubectl patch deployment patch-demo --patch $(Get-Content patch-file.yaml -Raw)
{{< /tab >}}}
{{< /tabs >}}
```shell
kubectl patch deployment patch-demo --patch-file patch-file.yaml
```
View the patched Deployment:
@ -183,7 +178,7 @@ spec:
Patch your Deployment:
```shell
kubectl patch deployment patch-demo --patch "$(cat patch-file-tolerations.yaml)"
kubectl patch deployment patch-demo --patch-file patch-file-tolerations.yaml
```
View the patched Deployment:
@ -249,7 +244,7 @@ spec:
In your patch command, set `type` to `merge`:
```shell
kubectl patch deployment patch-demo --type merge --patch "$(cat patch-file-2.yaml)"
kubectl patch deployment patch-demo --type merge --patch-file patch-file-2.yaml
```
View the patched Deployment:
@ -308,14 +303,9 @@ spec:
Patch your Deployment:
{{< tabs name="kubectl_retainkeys_example" >}}
{{{< tab name="Bash" codelang="bash" >}}
kubectl patch deployment retainkeys-demo --type merge --patch "$(cat patch-file-no-retainkeys.yaml)"
{{< /tab >}}
{{< tab name="PowerShell" codelang="posh" >}}
kubectl patch deployment retainkeys-demo --type merge --patch $(Get-Content patch-file-no-retainkeys.yaml -Raw)
{{< /tab >}}}
{{< /tabs >}}
```shell
kubectl patch deployment retainkeys-demo --type merge --patch-file patch-file-no-retainkeys.yaml
```
In the output, you can see that it is not possible to set `type` as `Recreate` when a value is defined for `spec.strategy.rollingUpdate`:
@ -339,14 +329,9 @@ With this patch, we indicate that we want to retain only the `type` key of the `
Patch your Deployment again with this new patch:
{{< tabs name="kubectl_retainkeys2_example" >}}
{{{< tab name="Bash" codelang="bash" >}}
kubectl patch deployment retainkeys-demo --type merge --patch "$(cat patch-file-retainkeys.yaml)"
{{< /tab >}}
{{< tab name="PowerShell" codelang="posh" >}}
kubectl patch deployment retainkeys-demo --type merge --patch $(Get-Content patch-file-retainkeys.yaml -Raw)
{{< /tab >}}}
{{< /tabs >}}
```shell
kubectl patch deployment retainkeys-demo --type merge --patch-file patch-file-retainkeys.yaml
```
Examine the content of the Deployment:
@ -425,10 +410,10 @@ The following commands are equivalent:
```shell
kubectl patch deployment patch-demo --patch "$(cat patch-file.yaml)"
kubectl patch deployment patch-demo --patch-file patch-file.yaml
kubectl patch deployment patch-demo --patch 'spec:\n template:\n spec:\n containers:\n - name: patch-demo-ctr-2\n image: redis'
kubectl patch deployment patch-demo --patch "$(cat patch-file.json)"
kubectl patch deployment patch-demo --patch-file patch-file.json
kubectl patch deployment patch-demo --patch '{"spec": {"template": {"spec": {"containers": [{"name": "patch-demo-ctr-2","image": "redis"}]}}}}'
```