mirror of
https://github.com/k3s-io/kubernetes.git
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208 lines
6.4 KiB
Bash
Executable File
208 lines
6.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2015 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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# Update the Godeps/LICENSES document.
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# Generates a table of Godep dependencies and their license.
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#
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# Usage:
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# $0 [--create-missing] [/path/to/licenses]
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#
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# --create-missing will write the files that only exist upstream, locally.
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# This option is mostly used for testing as we cannot check-in any of the
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# additionally created files into the godep auto-generated tree.
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#
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# Run every time a license file is added/modified within /Godeps to
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# update /Godeps/LICENSES
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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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export LANG=C
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export LC_ALL=C
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###############################################################################
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# Process package content
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#
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# @param package The incoming package name
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# @param type The type of content (LICENSE, COPYRIGHT or COPYING)
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#
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process_content () {
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local package=$1
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local type=$2
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local package_root
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local ensure_pattern
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local dir_root
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local find_maxdepth
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local find_names
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local -a local_files=()
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# Necessary to expand {}
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case ${type} in
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LICENSE) find_names=(-iname 'licen[sc]e*')
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find_maxdepth=1
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# Sadly inconsistent in the wild, but mostly license files
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# containing copyrights, but no readme/notice files containing
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# licenses (except to "see license file")
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ensure_pattern="license|copyright"
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;;
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# We search READMEs for copyrights and this includes notice files as well
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# Look in as many places as we find files matching
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COPYRIGHT) find_names=(-iname 'notice*' -o -iname 'readme*')
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find_maxdepth=3
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ensure_pattern="copyright"
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;;
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COPYING) find_names=(-iname 'copying*')
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find_maxdepth=1
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ensure_pattern="license|copyright"
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;;
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esac
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# Start search at package root
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case ${package} in
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github.com/*|golang.org/*|bitbucket.org/*|gonum.org/*)
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package_root=$(echo "${package}" |awk -F/ '{ print $1"/"$2"/"$3 }')
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;;
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go4.org/*)
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package_root=$(echo "${package}" |awk -F/ '{ print $1 }')
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;;
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gopkg.in/*)
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# Root of gopkg.in package always ends with '.v(number)' and my contain
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# more than two path elements. For example:
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# - gopkg.in/yaml.v2
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# - gopkg.in/inf.v0
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# - gopkg.in/square/go-jose.v2
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package_root=$(echo "${package}" |grep -oh '.*\.v[0-9]')
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;;
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*)
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package_root=$(echo "${package}" |awk -F/ '{ print $1"/"$2 }')
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;;
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esac
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# Find files - only root and package level
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local_files=($(
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for dir_root in ${package} ${package_root}; do
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[[ -d ${DEPS_DIR}/${dir_root} ]] || continue
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# One (set) of these is fine
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find "${DEPS_DIR}/${dir_root}" \
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-xdev -follow -maxdepth ${find_maxdepth} \
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-type f "${find_names[@]}"
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done | sort -u))
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local index
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local f
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index="${package}-${type}"
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if [[ -z "${CONTENT[${index}]-}" ]]; then
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for f in "${local_files[@]-}"; do
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if [[ -z "$f" ]]; then
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# Set the default value and then check it to prevent
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# accessing potentially empty array
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continue
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fi
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# Find some copyright info in any file and break
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if grep -E -i -wq "${ensure_pattern}" "${f}"; then
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CONTENT[${index}]="${f}"
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break
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fi
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done
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fi
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}
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#############################################################################
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# MAIN
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#############################################################################
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KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
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source "${KUBE_ROOT}/hack/lib/init.sh"
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# Check bash version
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if ((${BASH_VERSINFO[0]}<4)); then
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echo
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echo "ERROR: Bash v4+ required."
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# Extra help for OSX
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if [[ "$(uname -s)" == "Darwin" ]]; then
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echo
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echo "Ensure you are up to date on the following packages:"
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echo "$ brew install md5sha1sum bash jq"
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fi
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echo
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exit 9
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fi
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# This variable can be injected, as in the verify script.
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LICENSE_ROOT="${LICENSE_ROOT:-${KUBE_ROOT}}"
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cd "${LICENSE_ROOT}"
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GODEPS_LICENSE_FILE="Godeps/LICENSES"
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TMP_LICENSE_FILE="/tmp/Godeps.LICENSES.$$"
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DEPS_DIR="vendor"
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declare -Ag CONTENT
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# Put the K8S LICENSE on top
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(
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echo "================================================================================"
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echo "= Kubernetes licensed under: ="
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echo
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cat "${LICENSE_ROOT}/LICENSE"
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echo
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echo "= LICENSE $(cat "${LICENSE_ROOT}/LICENSE" | md5sum | awk '{print $1}')"
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echo "================================================================================"
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) > ${TMP_LICENSE_FILE}
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# Loop through every package in Godeps.json
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for PACKAGE in $(jq -r ".Deps[].ImportPath" < Godeps/Godeps.json | sort -f); do
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process_content "${PACKAGE}" LICENSE
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process_content "${PACKAGE}" COPYRIGHT
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process_content "${PACKAGE}" COPYING
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# display content
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echo
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echo "================================================================================"
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echo "= ${DEPS_DIR}/${PACKAGE} licensed under: ="
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echo
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file=""
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if [[ -n "${CONTENT[${PACKAGE}-LICENSE]-}" ]]; then
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file="${CONTENT[${PACKAGE}-LICENSE]-}"
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elif [[ -n "${CONTENT[${PACKAGE}-COPYRIGHT]-}" ]]; then
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file="${CONTENT[${PACKAGE}-COPYRIGHT]-}"
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elif [[ -n "${CONTENT[${PACKAGE}-COPYING]-}" ]]; then
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file="${CONTENT[${PACKAGE}-COPYING]-}"
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fi
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if [[ -z "${file}" ]]; then
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cat > /dev/stderr << __EOF__
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No license could be found for ${PACKAGE} - aborting.
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Options:
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1. Check if the upstream repository has a newer version with LICENSE, COPYRIGHT and/or
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COPYING files.
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2. Contact the author of the package to ensure there is a LICENSE, COPYRIGHT and/or
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COPYING file present.
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3. Do not use this package in Kubernetes.
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__EOF__
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exit 9
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fi
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cat "${file}"
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echo
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echo "= ${file} $(cat "${file}" | md5sum | awk '{print $1}')"
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echo "================================================================================"
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echo
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done >> ${TMP_LICENSE_FILE}
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cat ${TMP_LICENSE_FILE} > ${GODEPS_LICENSE_FILE}
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