187 lines
7.7 KiB
Bash
Executable File
187 lines
7.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2020-2022 the Pinniped contributors. All Rights Reserved.
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# SPDX-License-Identifier: Apache-2.0
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set -euo pipefail
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ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
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KUBE_VERSIONS=("$@")
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BASE_PKG="go.pinniped.dev"
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export GO111MODULE="on"
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# Note that you can change this value to 10 to debug the Kubernetes code generator shell scripts used below.
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debug_level="${CODEGEN_LOG_LEVEL:-1}"
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# If we're not running in a container, assume that we want to loop over and run each build
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# in a container.
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if [[ -z "${CONTAINED:-}" ]]; then
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for kubeVersion in "${KUBE_VERSIONS[@]}"; do
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# CODEGEN_IMAGE is the container image to use when running
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CODEGEN_IMAGE="ghcr.io/pinniped-ci-bot/k8s-code-generator-$(echo "$kubeVersion" | cut -d"." -f1-2):latest"
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echo "generating code for ${kubeVersion} using ${CODEGEN_IMAGE}..."
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docker run --rm \
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--pull always \
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--env CONTAINED=1 \
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--env CODEGEN_LOG_LEVEL="$debug_level" \
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--volume "${ROOT}:/work" \
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--workdir "/work" \
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"${CODEGEN_IMAGE}" \
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"/work/hack/lib/$(basename "${BASH_SOURCE[0]}")" \
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"${kubeVersion}" \
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| sed "s|^|${kubeVersion} > |"
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done
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exit 0
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fi
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# Now that we know we are running in the nested container, expect there to be only
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# a single Kubernetes version
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if [[ "${#KUBE_VERSIONS[@]}" -ne 1 ]]; then
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echo "when running in a container, we can only generate for a single kubernetes version" >&2
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exit 1
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fi
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# Link the root directory into GOPATH since that is where output ends up.
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GOPATH_ROOT="${GOPATH}/src/${BASE_PKG}"
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mkdir -p "$(dirname "${GOPATH_ROOT}")"
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ln -s "${ROOT}" "${GOPATH_ROOT}"
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ROOT="${GOPATH_ROOT}"
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cd "${ROOT}"
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# KUBE_VERSION is the full version (e.g., '1.19.0-rc.0').
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KUBE_VERSION="${KUBE_VERSIONS[0]}"
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export KUBE_VERSION
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# KUBE_MINOR_VERSION is just the major/minor version (e.g., '1.19').
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KUBE_MINOR_VERSION="$(echo "${KUBE_VERSION}" | cut -d"." -f1-2)"
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export KUBE_MINOR_VERSION
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# KUBE_MODULE_VERSION is just version of client libraries (e.g., 'v0.19.9-rc-0').
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KUBE_MODULE_VERSION="v0.$(echo "${KUBE_VERSION}" | cut -d '.' -f 2-)"
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export KUBE_MODULE_VERSION
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# Start by picking an output directory and deleting any previously-generated code.
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OUTPUT_DIR="${ROOT}/generated/${KUBE_MINOR_VERSION}"
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rm -rf "${OUTPUT_DIR}"
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mkdir -p "${OUTPUT_DIR}"
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cd "${OUTPUT_DIR}"
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echo "running in container to generate ${KUBE_VERSION} into ${OUTPUT_DIR}..."
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# Next, copy in the base definitions of our APIs from ./apis into the generated directory, substituting some
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# variables in the template files and renaming them to strip the `.tmpl` extension.
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cp -R "${ROOT}/apis" "${OUTPUT_DIR}/apis"
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find "${OUTPUT_DIR}" -type f -exec sed -i "s|GENERATED_PKG|generated/${KUBE_MINOR_VERSION}|g" {} \;
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find "${OUTPUT_DIR}" -type f -not -name '*.tmpl' -exec rm {} \;
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find "${OUTPUT_DIR}" -type f -name '*.tmpl' -exec bash -c 'mv "$0" "${0%.tmpl}"' {} \;
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# Make the generated API code its own Go module.
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echo "generating ${OUTPUT_DIR}/apis/go.mod..."
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cat << EOF > "${OUTPUT_DIR}/apis/go.mod"
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// This go.mod file is generated by ./hack/codegen.sh.
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module ${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/apis
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go 1.13
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require (
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k8s.io/apimachinery ${KUBE_MODULE_VERSION}
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k8s.io/api ${KUBE_MODULE_VERSION}
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)
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EOF
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# Generate a go.sum without changing the go.mod by running go mod download.
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echo "running go mod download in ${OUTPUT_DIR}/apis/go.mod to generate a go.sum file..."
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(cd "${OUTPUT_DIR}/apis" && go mod download all 2>&1 | sed "s|^|go-mod-download > |")
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# Make the generated client code its own Go module.
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echo "generating ${OUTPUT_DIR}/client/go.mod..."
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mkdir client
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mkdir client/concierge
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mkdir client/supervisor
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cat << EOF > "./client/go.mod"
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// This go.mod file is generated by ./hack/codegen.sh.
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module ${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/client
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go 1.13
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require (
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k8s.io/api ${KUBE_MODULE_VERSION}
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k8s.io/apimachinery ${KUBE_MODULE_VERSION}
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k8s.io/client-go ${KUBE_MODULE_VERSION}
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${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/apis v0.0.0
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)
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replace ${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/apis => ../apis
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EOF
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# Generate a go.sum without changing the go.mod by running go mod download.
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echo "running go mod download in ${OUTPUT_DIR}/client/go.mod to generate a go.sum file..."
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(cd "${OUTPUT_DIR}/client" && go mod download all 2>&1 | sed "s|^|go-mod-download > |")
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# Generate API-related code for our public API groups
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echo "generating API-related code for our public API groups..."
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(cd apis &&
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bash "${GOPATH}/src/k8s.io/code-generator/generate-groups.sh" \
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"deepcopy" \
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"${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/apis" \
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"${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/apis" \
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"supervisor/config:v1alpha1 supervisor/idp:v1alpha1 concierge/config:v1alpha1 concierge/authentication:v1alpha1 concierge/login:v1alpha1 concierge/identity:v1alpha1" \
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--go-header-file "${ROOT}/hack/boilerplate.go.txt" -v "$debug_level" 2>&1 | sed "s|^|gen-api > |"
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)
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# Generate API-related code for our internal API groups
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echo "generating API-related code for our internal API groups..."
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(cd apis &&
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bash "${GOPATH}/src/k8s.io/code-generator/generate-internal-groups.sh" \
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"deepcopy,defaulter,conversion" \
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"${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/client/concierge" \
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"${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/apis" \
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"${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/apis" \
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"concierge/login:v1alpha1 concierge/identity:v1alpha1" \
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--go-header-file "${ROOT}/hack/boilerplate.go.txt" -v "$debug_level" 2>&1 | sed "s|^|gen-int-api > |"
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)
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# Tidy up the .../apis module
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echo "tidying ${OUTPUT_DIR}/apis/go.mod..."
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(cd apis && go mod tidy 2>&1 | sed "s|^|go-mod-tidy > |")
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# Generate client code for our public API groups
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echo "generating client code for our public API groups..."
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(cd client &&
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bash "${GOPATH}/src/k8s.io/code-generator/generate-groups.sh" \
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"client,lister,informer" \
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"${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/client/concierge" \
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"${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/apis" \
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"concierge/config:v1alpha1 concierge/authentication:v1alpha1 concierge/login:v1alpha1 concierge/identity:v1alpha1" \
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--go-header-file "${ROOT}/hack/boilerplate.go.txt" -v "$debug_level" 2>&1 | sed "s|^|gen-client > |"
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)
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(cd client &&
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bash "${GOPATH}/src/k8s.io/code-generator/generate-groups.sh" \
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"client,lister,informer" \
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"${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/client/supervisor" \
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"${BASE_PKG}/generated/${KUBE_MINOR_VERSION}/apis" \
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"supervisor/config:v1alpha1 supervisor/idp:v1alpha1" \
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--go-header-file "${ROOT}/hack/boilerplate.go.txt" -v "$debug_level" 2>&1 | sed "s|^|gen-client > |"
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)
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# Tidy up the .../client module
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echo "tidying ${OUTPUT_DIR}/client/go.mod..."
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(cd client && go mod tidy 2>&1 | sed "s|^|go-mod-tidy > |")
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# Generate API documentation
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sed "s|KUBE_MINOR_VERSION|${KUBE_MINOR_VERSION}|g" < "${ROOT}/hack/lib/docs/config.yaml" > /tmp/docs-config.yaml
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crd-ref-docs \
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--source-path="${ROOT}/generated/${KUBE_MINOR_VERSION}/apis" \
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--config=/tmp/docs-config.yaml \
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--renderer=asciidoctor \
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--templates-dir="${ROOT}/hack/lib/docs/templates" \
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--output-path="${ROOT}/generated/${KUBE_MINOR_VERSION}/README.adoc"
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# Generate CRD YAML
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(cd apis &&
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controller-gen paths=./supervisor/config/v1alpha1 crd output:crd:artifacts:config=../crds &&
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controller-gen paths=./supervisor/idp/v1alpha1 crd output:crd:artifacts:config=../crds &&
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controller-gen paths=./concierge/config/v1alpha1 crd output:crd:artifacts:config=../crds &&
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controller-gen paths=./concierge/authentication/v1alpha1 crd output:crd:artifacts:config=../crds
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)
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