refactor codegen scripts to make it easier to generate two clients #3589
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| #!/usr/bin/env bash | ||
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| # Copyright 2025 The Kubernetes Authors. | ||
| # | ||
| # 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. | ||
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| # https://github.com/kubernetes/code-generator provides generator code to generate a custom typed | ||
| # and versioned client for custom API types similar to what https://github.com/kubernetes/client-go | ||
| # provides for core types. This script generates such a client for the Gateway API types, in service of any | ||
| # projects that need them. | ||
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| set -o errexit | ||
| set -o nounset | ||
| set -o pipefail | ||
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| if [[ "${1:-stable}" == "experimental" ]]; then | ||
| readonly API_PATH="apisx" | ||
| else | ||
| readonly API_PATH="apis" | ||
| fi | ||
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| readonly SCRIPT_ROOT="$(cd "$(dirname "${BASH_SOURCE}")"/.. && pwd)" | ||
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| if [[ "${VERIFY_CODEGEN:-}" == "true" ]]; then | ||
| echo "Running in verification mode" | ||
| readonly VERIFY_FLAG="--verify-only" | ||
| fi | ||
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| readonly COMMON_FLAGS="${VERIFY_FLAG:-} --go-header-file ${SCRIPT_ROOT}/hack/boilerplate/boilerplate.generatego.txt" | ||
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| readonly APIS_PKG=sigs.k8s.io/gateway-api | ||
| readonly CLIENTSET_NAME=versioned | ||
| readonly CLIENTSET_PKG_NAME=clientset | ||
| readonly VERSIONS=($(find ./${API_PATH} -maxdepth 1 -name "v*" -exec bash -c 'basename {}' \; | xargs)) | ||
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| if [[ "${1:-stable}" == "experimental" ]]; then | ||
| readonly OUTPUT_DIR=pkg/clientx | ||
| readonly OUTPUT_PKG=sigs.k8s.io/gateway-api/pkg/clientx | ||
| else | ||
| readonly OUTPUT_DIR=pkg/client | ||
| readonly OUTPUT_PKG=sigs.k8s.io/gateway-api/pkg/client | ||
| fi | ||
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There was a problem hiding this comment. I'm a little curious if a single clientset would be better here. With that said, this will likely become clearer as we start working with ListenerSet. I'm fine with this as a starting point. There was a problem hiding this comment. yeah this can be adjusted later |
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| GATEWAY_INPUT_DIRS_SPACE="" | ||
| GATEWAY_INPUT_DIRS_COMMA="" | ||
| for VERSION in "${VERSIONS[@]}" | ||
| do | ||
| GATEWAY_INPUT_DIRS_SPACE+="${APIS_PKG}/${API_PATH}/${VERSION} " | ||
| GATEWAY_INPUT_DIRS_COMMA+="${APIS_PKG}/${API_PATH}/${VERSION}," | ||
| done | ||
| GATEWAY_INPUT_DIRS_SPACE="${GATEWAY_INPUT_DIRS_SPACE%,}" # drop trailing space | ||
| GATEWAY_INPUT_DIRS_COMMA="${GATEWAY_INPUT_DIRS_COMMA%,}" # drop trailing comma | ||
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| # throw away | ||
| new_report="$(mktemp -t "$(basename "$0").api_violations.XXXXXX")" | ||
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| echo "Generating openapi schema" | ||
| go run k8s.io/kube-openapi/cmd/openapi-gen \ | ||
| --output-file zz_generated.openapi.go \ | ||
| --report-filename "${new_report}" \ | ||
| --output-dir "${API_PATH}/openapi" \ | ||
| --output-pkg "sigs.k8s.io/gateway-api/${API_PATH}/openapi" \ | ||
| ${COMMON_FLAGS} \ | ||
| $GATEWAY_INPUT_DIRS_SPACE \ | ||
| k8s.io/apimachinery/pkg/apis/meta/v1 \ | ||
| k8s.io/apimachinery/pkg/runtime \ | ||
| k8s.io/apimachinery/pkg/version | ||
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| echo "Generating apply configuration" | ||
| go run k8s.io/code-generator/cmd/applyconfiguration-gen \ | ||
| --openapi-schema <(go run ${SCRIPT_ROOT}/cmd/modelschema) \ | ||
| --output-dir "${API_PATH}/applyconfiguration" \ | ||
| --output-pkg "${APIS_PKG}/${API_PATH}/applyconfiguration" \ | ||
| ${COMMON_FLAGS} \ | ||
| ${GATEWAY_INPUT_DIRS_SPACE} | ||
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| echo "Generating clientset at ${OUTPUT_PKG}/${CLIENTSET_PKG_NAME}" | ||
| go run k8s.io/code-generator/cmd/client-gen \ | ||
| --clientset-name "${CLIENTSET_NAME}" \ | ||
| --input-base "${APIS_PKG}" \ | ||
| --input "${GATEWAY_INPUT_DIRS_COMMA//${APIS_PKG}/}" \ | ||
| --output-dir "${OUTPUT_DIR}/${CLIENTSET_PKG_NAME}" \ | ||
| --output-pkg "${OUTPUT_PKG}/${CLIENTSET_PKG_NAME}" \ | ||
| --apply-configuration-package "${APIS_PKG}/${API_PATH}/applyconfiguration" \ | ||
| ${COMMON_FLAGS} | ||
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| echo "Generating listers at ${OUTPUT_PKG}/listers" | ||
| go run k8s.io/code-generator/cmd/lister-gen \ | ||
| --output-dir "${OUTPUT_DIR}/listers" \ | ||
| --output-pkg "${OUTPUT_PKG}/listers" \ | ||
| ${COMMON_FLAGS} \ | ||
| ${GATEWAY_INPUT_DIRS_SPACE} | ||
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| echo "Generating informers at ${OUTPUT_PKG}/informers" | ||
| go run k8s.io/code-generator/cmd/informer-gen \ | ||
| --versioned-clientset-package "${OUTPUT_PKG}/${CLIENTSET_PKG_NAME}/${CLIENTSET_NAME}" \ | ||
| --listers-package "${OUTPUT_PKG}/listers" \ | ||
| --output-dir "${OUTPUT_DIR}/informers" \ | ||
| --output-pkg "${OUTPUT_PKG}/informers" \ | ||
| ${COMMON_FLAGS} \ | ||
| ${GATEWAY_INPUT_DIRS_SPACE} | ||
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| echo "Generating ${VERSION} register at ${APIS_PKG}/${API_PATH}/${VERSION}" | ||
| go run k8s.io/code-generator/cmd/register-gen \ | ||
| --output-file zz_generated.register.go \ | ||
| ${COMMON_FLAGS} \ | ||
| ${GATEWAY_INPUT_DIRS_SPACE} | ||
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| for VERSION in "${VERSIONS[@]}" | ||
| do | ||
| echo "Generating ${VERSION} deepcopy at ${APIS_PKG}/${API_PATH}/${VERSION}" | ||
| go run sigs.k8s.io/controller-tools/cmd/controller-gen \ | ||
| object:headerFile=${SCRIPT_ROOT}/hack/boilerplate/boilerplate.generatego.txt \ | ||
| paths="${APIS_PKG}/${API_PATH}/${VERSION}" | ||
| done | ||
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