Validate kustomization

validate.sh

set -o errexit

echo "INFO - Downloading Flux OpenAPI schemas"
mkdir -p /tmp/flux-crd-schemas/master-standalone-strict
curl -sL https://github.com/fluxcd/flux2/releases/latest/download/crd-schemas.tar.gz | tar zxf - -C /tmp/flux-crd-schemas/master-standalone-strict

# mirror kustomize-controller build options
kustomize_flags="--load-restrictor=LoadRestrictionsNone"
kustomize_config="kustomization.yaml"

find . -type f -name '*.yaml' -print0 | while IFS= read -r -d $'\0' file;
  do
    echo "INFO - Validating $file"
    yq e 'true' "$file" > /dev/null
done

echo "INFO - Validating clusters"
find ./clusters -type f -name '*.yaml' -maxdepth 1 -print0 | while IFS= read -r -d $'\0' file;
  do
    kubeval ${file} --strict --ignore-missing-schemas --additional-schema-locations=file:///tmp/flux-crd-schemas
    if [[ ${PIPESTATUS[0]} != 0 ]]; then
      exit 1
    fi
done

echo "INFO - Validating kustomize overlays"
find . -type f -name $kustomize_config -print0 | while IFS= read -r -d $'\0' file;
  do
    echo "INFO - Validating kustomization ${file/%$kustomize_config}"
    kustomize build "${file/%$kustomize_config}" $kustomize_flags | kubeval --ignore-missing-schemas --strict --additional-schema-locations=file:///tmp/flux-crd-schemas
    if [[ ${PIPESTATUS[0]} != 0 ]]; then
      exit 1
    fi
done