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cert-manager/hack/update-codegen.sh
irbekrm 81bdabf67a Code review feedback 
Signed-off-by: irbekrm <irbekrm@gmail.com>
2021-09-30 17:23:42 +01:00

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#!/bin/bash
# Copyright 2020 The cert-manager 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.
if [[ -n "${BUILD_WORKSPACE_DIRECTORY:-}" ]]; then # Running inside bazel
echo "Updating generated clients..." >&2
elif ! command -v bazel &>/dev/null; then
echo "Install bazel at https://bazel.build" >&2
exit 1
else
(
set -o xtrace
bazel run //hack:update-codegen
)
exit 0
fi
# Source runfiles.bash to to be able to use the rlocation function that is
# defined in the above linked script. This function finds runtime location of
# scripts thus allowing us to source other bash scripts when this script is run
# by Bazel.
# https://github.com/bazelbuild/bazel/blob/master/tools/bash/runfiles/runfiles.bash .
# The runfiles.bash is added as a dep of the update-codegen target that is
# used to run this script. Bazel places deps of sh_binary targets in runfiles
# https://docs.bazel.build/versions/main/be/shell.html#sh_binary_args and the
# following lines attempt to source this script from one of the known runfile
# location for runfiles for this target.
# set -e pipefail needs to happen after sourcing runfiles.bash, see
# https://github.com/bazelbuild/bazel/blob/master/tools/bash/runfiles/runfiles.bash#L21
# --- begin runfiles.bash initialization v2 ---
# Copy-pasted from the Bazel Bash runfiles library v2.
set -uo pipefail; f=bazel_tools/tools/bash/runfiles/runfiles.bash
source "${RUNFILES_DIR:-/dev/null}/$f" 2>/dev/null || \
source "$(grep -sm1 "^$f " "${RUNFILES_MANIFEST_FILE:-/dev/null}" | cut -f2- -d' ')" 2>/dev/null || \
source "$0.runfiles/$f" 2>/dev/null || \
source "$(grep -sm1 "^$f " "$0.runfiles_manifest" | cut -f2- -d' ')" 2>/dev/null || \
source "$(grep -sm1 "^$f " "$0.exe.runfiles_manifest" | cut -f2- -d' ')" 2>/dev/null || \
{ echo>&2 "ERROR: cannot find $f"; exit 1; }; f=; set -e
# --- end runfiles.bash initialization v2 ---
module_name="github.com/jetstack/cert-manager"
# Access to util functions
source "$(rlocation com_github_jetstack_cert_manager/hack/utils.sh)"
# Generate deepcopy functions for all internal and external APIs
deepcopy_inputs=(
pkg/apis/certmanager/v1alpha2 \
pkg/apis/certmanager/v1alpha3 \
pkg/apis/certmanager/v1beta1 \
pkg/apis/certmanager/v1 \
pkg/internal/apis/certmanager \
pkg/apis/acme/v1alpha2 \
pkg/apis/acme/v1alpha3 \
pkg/apis/acme/v1beta1 \
pkg/apis/acme/v1 \
pkg/internal/apis/acme \
pkg/apis/meta/v1 \
pkg/internal/apis/meta \
pkg/webhook/handlers/testdata/apis/testgroup/v2 \
pkg/webhook/handlers/testdata/apis/testgroup/v1 \
pkg/webhook/handlers/testdata/apis/testgroup \
pkg/acme/webhook/apis/acme/v1alpha1 \
)
client_subpackage="pkg/client"
client_package="${module_name}/${client_subpackage}"
# Generate clientsets, listers and informers for user-facing API types
client_inputs=(
pkg/apis/certmanager/v1alpha2 \
pkg/apis/certmanager/v1alpha3 \
pkg/apis/certmanager/v1beta1 \
pkg/apis/certmanager/v1 \
pkg/apis/acme/v1alpha2 \
pkg/apis/acme/v1alpha3 \
pkg/apis/acme/v1beta1 \
pkg/apis/acme/v1 \
)
# Generate defaulting functions to be used by the mutating webhook
defaulter_inputs=(
pkg/internal/apis/certmanager/v1alpha2 \
pkg/internal/apis/certmanager/v1alpha3 \
pkg/internal/apis/certmanager/v1beta1 \
pkg/internal/apis/certmanager/v1 \
pkg/internal/apis/acme/v1alpha2 \
pkg/internal/apis/acme/v1alpha3 \
pkg/internal/apis/acme/v1beta1 \
pkg/internal/apis/acme/v1 \
pkg/internal/apis/meta/v1 \
pkg/webhook/handlers/testdata/apis/testgroup/v2 \
pkg/webhook/handlers/testdata/apis/testgroup/v1 \
)
# Generate conversion functions to be used by the conversion webhook
conversion_inputs=(
pkg/internal/apis/certmanager/v1alpha2 \
pkg/internal/apis/certmanager/v1alpha3 \
pkg/internal/apis/certmanager/v1beta1 \
pkg/internal/apis/certmanager/v1 \
pkg/internal/apis/acme/v1alpha2 \
pkg/internal/apis/acme/v1alpha3 \
pkg/internal/apis/acme/v1beta1 \
pkg/internal/apis/acme/v1 \
pkg/internal/apis/meta/v1 \
pkg/webhook/handlers/testdata/apis/testgroup/v2 \
pkg/webhook/handlers/testdata/apis/testgroup/v1 \
)
go_sdk=$PWD/external/go_sdk
go=$PWD/$1
clientgen=$PWD/$2
deepcopygen=$PWD/$3
informergen=$PWD/$4
listergen=$PWD/$5
defaultergen=$PWD/$6
conversiongen=$PWD/$7
shift 7
fake_gopath=""
fake_repopath=""
ensure-in-gopath() {
export GOROOT=$go_sdk
fake_gopath=$(mktemp -d -t codegen.gopath.XXXX)
fake_repopath=$fake_gopath/src/github.com/jetstack/cert-manager
mkdir -p "$fake_repopath"
cp -R "$BUILD_WORKSPACE_DIRECTORY/." "$fake_repopath"
export GOPATH=$fake_gopath
cd "$fake_repopath"
echo "Created fake GOPATH to run code generators in"
}
cleanup_gopath() {
export GO111MODULE=off
"$go" clean --modcache
rm -rf "$fake_gopath" || true
}
trap cleanup_gopath EXIT
# clean will delete files matching name in path.
#
# When inside bazel test the files are read-only.
# Any attempts to write a file that already exists will fail.
# So resolve by deleting the files before generating them.
clean() {
path=$1
name=$2
if [[ ! -d "$path" ]]; then
return 0
fi
find "$path" -name "$name" -delete
}
mkcp() {
src="$1"
dst="$2"
mkdir -p "$(dirname "$dst")"
cp "$src" "$dst"
}
# Export mkcp for use in sub-shells
export -f mkcp
copyfiles() {
# Don't copy data if the workspace directory is already within the GOPATH
if [ "${BUILD_WORKSPACE_DIRECTORY:0:${#GOPATH}}" = "$GOPATH" ]; then
return 0
fi
path=$1
name=$2
if [[ ! -d "$path" ]]; then
return 0
fi
(
cd "$GOPATH/src/$module_name/$path"
find "." -name "$name" -exec bash -c "mkcp {} \"$BUILD_WORKSPACE_DIRECTORY/$path/{}\"" \;
)
}
gen-deepcopy() {
clean pkg/apis 'zz_generated.deepcopy.go'
clean pkg/acme/webhook/apis 'zz_generated.deepcopy.go'
clean pkg/webhook/handlers/testdata/apis 'zz_generated.deepcopy.go'
echo "Generating deepcopy methods..." >&2
prefixed_inputs=( "${deepcopy_inputs[@]/#/$module_name/}" )
joined=$( IFS=$','; echo "${prefixed_inputs[*]}" )
"$deepcopygen" \
--go-header-file hack/boilerplate/boilerplate.generatego.txt \
--input-dirs "$joined" \
--output-file-base zz_generated.deepcopy \
--bounding-dirs "${module_name}"
for dir in "${deepcopy_inputs[@]}"; do
copyfiles "$dir" "zz_generated.deepcopy.go"
done
}
gen-clientsets() {
clean "${client_subpackage}"/clientset '*.go'
echo "Generating clientset..." >&2
prefixed_inputs=( "${client_inputs[@]/#/$module_name/}" )
joined=$( IFS=$','; echo "${prefixed_inputs[*]}" )
"$clientgen" \
--go-header-file hack/boilerplate/boilerplate.generatego.txt \
--clientset-name versioned \
--input-base "" \
--input "$joined" \
--output-package "${client_package}"/clientset
copyfiles "${client_subpackage}/clientset" "*.go"
}
gen-listers() {
clean "${client_subpackage}/listers" '*.go'
echo "Generating listers..." >&2
prefixed_inputs=( "${client_inputs[@]/#/$module_name/}" )
joined=$( IFS=$','; echo "${prefixed_inputs[*]}" )
"$listergen" \
--go-header-file hack/boilerplate/boilerplate.generatego.txt \
--input-dirs "$joined" \
--output-package "${client_package}"/listers
copyfiles "${client_subpackage}/listers" "*.go"
}
gen-informers() {
clean "${client_subpackage}"/informers '*.go'
echo "Generating informers..." >&2
prefixed_inputs=( "${client_inputs[@]/#/$module_name/}" )
joined=$( IFS=$','; echo "${prefixed_inputs[*]}" )
"$informergen" \
--go-header-file hack/boilerplate/boilerplate.generatego.txt \
--input-dirs "$joined" \
--versioned-clientset-package "${client_package}"/clientset/versioned \
--listers-package "${client_package}"/listers \
--output-package "${client_package}"/informers
copyfiles "${client_subpackage}/informers" "*.go"
}
gen-defaulters() {
clean pkg/internal/apis 'zz_generated.defaults.go'
clean pkg/webhook/handlers/testdata/apis 'zz_generated.defaults.go'
echo "Generating defaulting functions..." >&2
prefixed_inputs=( "${defaulter_inputs[@]/#/$module_name/}" )
joined=$( IFS=$','; echo "${prefixed_inputs[*]}" )
"$defaultergen" \
--go-header-file hack/boilerplate/boilerplate.generatego.txt \
--input-dirs "$joined" \
-O zz_generated.defaults
for dir in "${defaulter_inputs[@]}"; do
copyfiles "$dir" "zz_generated.defaults.go"
done
}
# TODO: fix the workarounds in this function, files that start with "// +build
# !ignore_autogenerated" and "//go:build !ignore_autogenerated" are ignored by the
# conversion-gen tool, causing an incorrect 'zz_generated.conversion.go' to be
# generated. This bug should get resolved in
# https://github.com/kubernetes/kubernetes/issues/101567
gen-conversions() {
clean pkg/internal/apis 'zz_generated.conversion.go'
clean pkg/webhook/handlers/testdata/apis 'zz_generated.conversion.go'
echo "Generating conversion functions..." >&2
# meta api
"$conversiongen" --go-header-file hack/boilerplate/boilerplate.generatego.txt \
--input-dirs github.com/jetstack/cert-manager/pkg/internal/apis/meta/v1 \
-O zz_generated.conversion
# Workaround (see: https://github.com/kubernetes/kubernetes/issues/101567).
remove_go_autogen_tags "pkg/internal/apis/meta/v1/zz_generated.conversion.go"
# acme and certmanager apis
for v in v1alpha2 v1alpha3 v1beta1 v1
do
"$conversiongen" --go-header-file hack/boilerplate/boilerplate.generatego.txt \
--input-dirs "github.com/jetstack/cert-manager/pkg/internal/apis/acme/$v" \
-O zz_generated.conversion \
--extra-dirs github.com/jetstack/cert-manager/pkg/internal/apis/meta/v1
# Workaround (see: https://github.com/kubernetes/kubernetes/issues/101567)
remove_go_autogen_tags "pkg/internal/apis/acme/$v/zz_generated.conversion.go"
"$conversiongen" --go-header-file hack/boilerplate/boilerplate.generatego.txt \
--input-dirs "github.com/jetstack/cert-manager/pkg/internal/apis/certmanager/$v" \
-O zz_generated.conversion \
--extra-dirs "github.com/jetstack/cert-manager/pkg/internal/apis/meta/v1,github.com/jetstack/cert-manager/pkg/internal/apis/acme/$v"
# Workaround (see: https://github.com/kubernetes/kubernetes/issues/101567)
remove_go_autogen_tags "pkg/internal/apis/certmanager/$v/zz_generated.conversion.go"
done
# test apis
"$conversiongen" --go-header-file hack/boilerplate/boilerplate.generatego.txt \
--input-dirs github.com/jetstack/cert-manager/pkg/webhook/handlers/testdata/apis/testgroup/v2,github.com/jetstack/cert-manager/pkg/webhook/handlers/testdata/apis/testgroup/v1 \
-O zz_generated.conversion
# copy into source folder
for dir in "${conversion_inputs[@]}"; do
# Workaround (see: https://github.com/kubernetes/kubernetes/issues/101567)
replace_go_autogen_tags "$dir/zz_generated.conversion.go"
copyfiles "$dir" "zz_generated.conversion.go"
done
}
runfiles="$(pwd)"
export GO111MODULE=off
ensure-in-gopath
old=${GOCACHE:-}
export GOCACHE=$(mktemp -d -t codegen.gocache.XXXX)
export GO111MODULE=on
export GOSUMDB=sum.golang.org
"$go_sdk/bin/go" mod vendor
export GO111MODULE=off
export GOCACHE=$old
gen-deepcopy
gen-clientsets
gen-listers
gen-informers
gen-defaulters
gen-conversions
## Call update-bazel
export GO111MODULE=on
cd "$runfiles"
"$@"
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