a456daa0b2
Runs code generation on a per-module basis. If `CONTAINED` is not set the code generation is run in a container. Mount point in docker is randomzied to simulate Concourse. Introduce K8S_PKG_VERSION to make room to build different versions eventually.
102 lines
3.2 KiB
Bash
Executable File
102 lines
3.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2020 VMware, Inc.
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# SPDX-License-Identifier: Apache-2.0
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set -euo pipefail
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ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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GOPATH="${GOPATH:-$(mktemp -d)}"
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K8S_PKG_VERSION="${K8S_PKG_VERSION:-"1.19"}" # TODO: set this in k8s-code-generator-{} image
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CODEGEN_IMAGE=${CODEGEN_IMAGE:-"gcr.io/tanzu-user-authentication/k8s-code-generator-${K8S_PKG_VERSION}:latest"}
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BASE_PKG="github.com/suzerain-io/placeholder-name"
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function codegen::ensure_module_in_gopath() {
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local pkg_name="${MOD_DIR/#${ROOT}\//}"
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local pkg_gosrc_path="${GOPATH}/src/${BASE_PKG}/${pkg_name}"
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if [[ ! -e "${pkg_gosrc_path}" ]]; then
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mkdir -p "$(dirname "${pkg_gosrc_path}")"
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ln -s "${ROOT}/${pkg_name}" "${pkg_gosrc_path}"
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fi
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}
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function codegen::invoke_code_generator() {
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local generator_command="${1}"
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local mod_basename_for_version="${2}"
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shift 2 # generator args are now in $@
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if [ "${BASH_VERSINFO[0]}" -lt 5 ]; then
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echo "ERROR: invalid BASH version"
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echo " using v${BASH_VERSINFO[0]}.${BASH_VERSINFO[1]}.${BASH_VERSINFO[2]} @ ${BASH}"
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echo " require v5.0.0+"
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exit 1
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fi
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bash "${GOPATH}/src/k8s.io/code-generator/${generator_command}.sh" \
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"$@" \
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--go-header-file "${ROOT}/hack/boilerplate.go.txt" |
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sed "s|^|${mod_basename_for_version} > ${generator_command} > |"
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}
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function codegen::generate_for_module() {
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local mod_basename_for_version="${1}"
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case "${mod_basename_for_version}" in
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1.19/api)
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codegen::invoke_code_generator generate-groups "${mod_basename_for_version}" \
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deepcopy,defaulter \
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"${BASE_PKG}/kubernetes/1.19/api/generated" \
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"${BASE_PKG}/kubernetes/1.19/api/apis" \
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"placeholder:v1alpha1 crdsplaceholder:v1alpha1"
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codegen::invoke_code_generator generate-internal-groups "${mod_basename_for_version}" \
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deepcopy,defaulter,conversion,openapi \
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"${BASE_PKG}/kubernetes/1.19/api/generated" \
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"${BASE_PKG}/kubernetes/1.19/api/apis" \
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"${BASE_PKG}/kubernetes/1.19/api/apis" \
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"placeholder:v1alpha1 crdsplaceholder:v1alpha1"
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;;
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1.19/client-go)
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codegen::invoke_code_generator generate-groups "${mod_basename_for_version}" \
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client,lister,informer \
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"${BASE_PKG}/kubernetes/1.19/client-go" \
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"${BASE_PKG}/kubernetes/1.19/api/apis" \
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"placeholder:v1alpha1 crdsplaceholder:v1alpha1"
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;;
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esac
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}
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function codegen::generate() {
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codegen::ensure_module_in_gopath
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codegen::generate_for_module "${K8S_PKG_VERSION}/$(basename "${MOD_DIR}")"
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}
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function codegen::usage() {
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echo "Error: <codegen command> must be specified"
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echo " ${BASH_SOURCE[0]} <codegen command> [codegen::generate]"
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exit 1
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}
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function codegen::main() {
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local codegen_command="${1}"
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if [[ -n "${CONTAINED:-}" ]]; then
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"${codegen_command}"
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else
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DOCKER_ROOT_DIR="/tmp/${RANDOM}/${BASE_PKG}"
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DOCKER_MOD_DIR="${DOCKER_ROOT_DIR}/${MOD_DIR/#${ROOT}\//}"
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docker run --rm \
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--env CONTAINED=1 \
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--env MOD_DIR="${DOCKER_MOD_DIR}" \
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--volume "${ROOT}:${DOCKER_ROOT_DIR}" \
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--workdir "${DOCKER_MOD_DIR}" \
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"${CODEGEN_IMAGE}" \
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"${DOCKER_ROOT_DIR}/hack/$(basename "${BASH_SOURCE[0]}")" \
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"${codegen_command}"
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fi
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}
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codegen::main "${1:-"codegen::usage"}"
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