decompose policy.open-cluster-management.io/v1 policies into manifests for use with PolicyGenerator Kustomize plugin

split-policies.sh

# split a file having multiple policies into multiple files
# each file is named policy-<policy_name> and contains 1 policy
yq e '.|split_doc' -s '.kind + "-" + .metadata.name | downcase' multi-policy.yaml

# create manifests dir for each policy
# place object definitions from each policy into corresponding manifest dir
for p in policy-*; do
  policy_name=$(yq '.metadata.name' $p);
  mkdir -p "manifests-$policy_name"
  yq '.spec.policy-templates[].objectDefinition[].object-templates[].objectDefinition | split_doc' \
    -s '"manifests-'$policy_name'/" + .kind + "-" + .metadata.name | downcase' $p;
done