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129 lines
4.4 KiB
Bash
Executable File
129 lines
4.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2014 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This script checks coding style for go language files in each
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# Kubernetes package by golint.
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# Usage: `hack/verify-golint.sh`.
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set -o errexit
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set -o nounset
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set -o pipefail
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KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
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source "${KUBE_ROOT}/hack/lib/init.sh"
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source "${KUBE_ROOT}/hack/lib/util.sh"
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kube::golang::verify_go_version
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# Ensure that we find the binaries we build before anything else.
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export GOBIN="${KUBE_OUTPUT_BINPATH}"
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PATH="${GOBIN}:${PATH}"
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# Install golint
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echo 'installing golint'
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pushd "${KUBE_ROOT}/hack/tools" >/dev/null
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GO111MODULE=on go install golang.org/x/lint/golint
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popd >/dev/null
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cd "${KUBE_ROOT}"
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# Check that the file is in alphabetical order
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failure_file="${KUBE_ROOT}/hack/.golint_failures"
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kube::util::check-file-in-alphabetical-order "${failure_file}"
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export IFS=$'\n'
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# NOTE: when "go list -e ./..." is run within GOPATH, it turns the k8s.io/kubernetes
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# as the prefix, however if we run it outside it returns the full path of the file
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# with a leading underscore. We'll need to support both scenarios for all_packages.
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all_packages=()
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while IFS='' read -r line; do all_packages+=("$line"); done < <(go list -e ./... | grep -vE "/(third_party|vendor|staging/src/k8s.io/client-go/pkg|generated|clientset_generated)" | sed -e 's|^k8s.io/kubernetes/||' -e "s|^_\(${KUBE_ROOT}/\)\{0,1\}||")
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# The regex below removes any "#" character and anything behind it and including any
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# whitespace before it. Then it removes empty lines.
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failing_packages=()
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while IFS='' read -r line; do failing_packages+=("$line"); done < <(sed -e 's/[[:blank:]]*#.*//' -e '/^$/d' "$failure_file")
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unset IFS
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errors=()
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not_failing=()
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for p in "${all_packages[@]}"; do
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# Run golint on package/*.go file explicitly to validate all go files
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# and not just the ones for the current platform. This also will ensure that
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# _test.go files are linted.
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# Generated files are ignored, and each file is passed through golint
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# individually, as if one file in the package contains a fatal error (such as
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# a foo package with a corresponding foo_test package), golint seems to choke
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# completely.
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# Ref: https://github.com/kubernetes/kubernetes/pull/67675
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# Ref: https://github.com/golang/lint/issues/68
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failedLint=$(find "$p"/*.go | grep -vE "(zz_generated.*.go|generated.pb.go|generated.proto|types_swagger_doc_generated.go)" | xargs -L1 golint 2>/dev/null)
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kube::util::array_contains "$p" "${failing_packages[@]}" && in_failing=$? || in_failing=$?
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if [[ -n "${failedLint}" ]] && [[ "${in_failing}" -ne "0" ]]; then
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errors+=( "${failedLint}" )
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fi
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if [[ -z "${failedLint}" ]] && [[ "${in_failing}" -eq "0" ]]; then
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not_failing+=( "$p" )
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fi
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done
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# Check that all failing_packages actually still exist
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gone=()
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for p in "${failing_packages[@]}"; do
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kube::util::array_contains "$p" "${all_packages[@]}" || gone+=( "$p" )
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done
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# Check to be sure all the packages that should pass lint are.
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if [ ${#errors[@]} -eq 0 ]; then
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echo 'Congratulations! All Go source files have been linted.'
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else
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{
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echo "Errors from golint:"
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for err in "${errors[@]}"; do
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echo "$err"
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done
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echo
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echo 'Please review the above warnings. You can test via "golint" and commit the result.'
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echo 'If the above warnings do not make sense, you can exempt this package from golint'
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echo 'checking by adding it to hack/.golint_failures (if your reviewer is okay with it).'
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echo
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} >&2
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exit 1
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fi
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if [[ ${#not_failing[@]} -gt 0 ]]; then
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{
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echo "Some packages in hack/.golint_failures are passing golint. Please remove them."
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echo
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for p in "${not_failing[@]}"; do
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echo " $p"
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done
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echo
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} >&2
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exit 1
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fi
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if [[ ${#gone[@]} -gt 0 ]]; then
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{
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echo "Some packages in hack/.golint_failures do not exist anymore. Please remove them."
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echo
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for p in "${gone[@]}"; do
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echo " $p"
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done
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echo
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} >&2
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exit 1
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fi
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