linkerd2/bin/update-codegen.sh

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#!/usr/bin/env bash
set -o errexit
set -o nounset
set -o pipefail
SCRIPT_DIR=$(dirname "${BASH_SOURCE[0]}")
SCRIPT_ROOT=$(dirname "${SCRIPT_DIR}")
GEN_VER=$( awk '/k8s.io\/code-generator/ { print $2 }' "${SCRIPT_ROOT}/go.mod" )
KUBE_OPEN_API_VER=$( awk '/k8s.io\/kube-openapi/ { print $2 }' "${SCRIPT_ROOT}/go.mod" )
CODEGEN_PKG=$(mktemp -d -t "code-generator-${GEN_VER}.XXX")/code-generator
git clone --depth 1 --branch "$GEN_VER" https://github.com/kubernetes/code-generator "$CODEGEN_PKG"
(
cd "$CODEGEN_PKG"
go get k8s.io/kube-openapi/pkg/common@"$KUBE_OPEN_API_VER"
)
# Remove previously generated code
rm -rf "${SCRIPT_ROOT}/controller/gen/client/clientset/*"
rm -rf "${SCRIPT_ROOT}/controller/gen/client/listeners/*"
rm -rf "${SCRIPT_ROOT}/controller/gen/client/informers/*"
crds=(serviceprofile server serverauthorization link policy policy externalworkload)
for crd in "${crds[@]}"
do
rm -f "${SCRIPT_ROOT}"/controller/gen/apis/"${crd}"/*/zz_generated.deepcopy.go
done
# shellcheck disable=SC1091
source "${CODEGEN_PKG}/kube_codegen.sh"
# Create a symlink so that the root of the repo is inside github.com/linkerd/linkerd2.
# This is required because the codegen scripts expect it.
mkdir -p "${SCRIPT_ROOT}/github.com/linkerd"
ln -s "$(realpath "${SCRIPT_ROOT}")" "${SCRIPT_ROOT}/github.com/linkerd/linkerd2"
kube::codegen::gen_helpers \
--boilerplate "${SCRIPT_ROOT}/controller/gen/boilerplate.go.txt" \
github.com/linkerd/linkerd2/controller/gen/apis
if [ -n "${API_KNOWN_VIOLATIONS_DIR:-}" ]; then
report_filename=${API_KNOWN_VIOLATIONS_DIR}/codegen_violation_exceptions.list
if [ "${UPDATE_API_KNOWN_VIOLATIONS:-}" = 'true' ]; then
update_report='--update-report'
fi
fi
kube::codegen::gen_openapi \
--output-pkg github.com/linkerd/linkerd2/controller/gen \
--output-dir "${SCRIPT_ROOT}/controller/gen/client" \
--report-filename "${report_filename:-"/dev/null"}" \
${update_report:+"${update_report}"} \
--boilerplate "${SCRIPT_ROOT}/controller/gen/boilerplate.go.txt" \
github.com/linkerd/linkerd2/controller/gen/apis
kube::codegen::gen_client \
--with-watch \
--output-pkg github.com/linkerd/linkerd2/controller/gen/client \
--output-dir "${SCRIPT_ROOT}/controller/gen/client" \
--boilerplate "${SCRIPT_ROOT}/controller/gen/boilerplate.go.txt" \
github.com/linkerd/linkerd2/controller/gen/apis
# Once the code has been generated, we can remove the symlink.
rm -rf "${SCRIPT_ROOT}/github.com"