solutions/gatekeeper-policies/naming-rules/project/constraint.yaml

# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#########
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: NamingPolicyProject
metadata:
  name: namingpolicyproject
spec:
  match:
    kinds:
      - apiGroups:
          - '*'
        kinds:
          - Project
  parameters:
    client_code: ^(aa|bb|cc) # kpt-set: ${client_code}
    env_code: d # kpt-set: ${client_code}${env_code}
    region_code: m
    class_code: (u|a|b)-
    user_defined_string: '^[a-z][a-z0-9-]*[a-z0-9]$'