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Bumps [go.yaml.in/yaml/v2](https://github.com/yaml/go-yaml) from 2.4.2 to 2.4.4. - [Commits](https://github.com/yaml/go-yaml/compare/v2.4.2...v2.4.4) --- updated-dependencies: - dependency-name: go.yaml.in/yaml/v2 dependency-version: 2.4.4 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>
Validation
This is an example of implementing a validation function.
This example is written in go and uses the kyaml libraries for parsing the
input and writing the output. Writing in go is not a requirement.
Function implementation
The function is implemented as an image, and built using make image.
The template is implemented as a go program, which reads a collection of input Resource configuration, and looks for invalid configuration.
Function invocation
The function is invoked by authoring a local Resource
with metadata.annotations.[config.kubernetes.io/function] and running:
kustomize fn run local-resource/
This exists non-zero if there is an error.
Running the Example
Run the validator with:
kustomize fn run local-resource/
This will return an error:
cpu-requests missing for container nginx
Now uncomment the resource reservations and run again:
kustomize fn run local-resource/
This will return success