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111 lines
3.8 KiB
Bash
Executable File
111 lines
3.8 KiB
Bash
Executable File
#!/bin/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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# Generates updated api-reference docs from the latest swagger spec.
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# Usage: ./update-api-reference-docs.sh <absolute output path>
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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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echo "Note: This assumes that swagger spec has been updated. Please run hack/update-swagger-spec.sh to ensure that."
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KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
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source "${KUBE_ROOT}/hack/lib/init.sh"
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kube::golang::setup_env
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DEFAULT_OUTPUT="${KUBE_ROOT}/docs/api-reference"
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OUTPUT=${1:-${DEFAULT_OUTPUT}}
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# Use REPO_DIR if provided so we can set it to the host-resolvable path
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# to the repo root if we are running this script from a container with
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# docker mounted in as a volume.
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# We pass the host output dir as the source dir to `docker run -v`, but use
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# the regular one to compute diff (they will be the same if running this
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# test on the host, potentially different if running in a container).
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REPO_DIR=${REPO_DIR:-"${KUBE_ROOT}"}
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TMP_SUBPATH="_output/generated_html"
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OUTPUT_TMP_IN_HOST="${REPO_DIR}/${TMP_SUBPATH}"
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OUTPUT_TMP="${KUBE_ROOT}/${TMP_SUBPATH}"
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echo "Generating api reference docs at ${OUTPUT_TMP}"
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DEFAULT_GROUP_VERSIONS="v1 extensions/v1beta1 batch/v1 autoscaling/v1 certificates/v1alpha1"
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VERSIONS=${VERSIONS:-$DEFAULT_GROUP_VERSIONS}
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for ver in $VERSIONS; do
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mkdir -p "${OUTPUT_TMP}/${ver}"
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done
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SWAGGER_PATH="${REPO_DIR}/api/swagger-spec/"
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echo "Reading swagger spec from: ${SWAGGER_PATH}"
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user_flags="-u $(id -u)"
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if [[ $(uname) == "Darwin" ]]; then
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# mapping in a uid from OS X doesn't make any sense
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user_flags=""
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fi
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for ver in $VERSIONS; do
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TMP_IN_HOST="${OUTPUT_TMP_IN_HOST}/${ver}"
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if [[ ${ver} == "v1" ]]; then
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REGISTER_FILE="${REPO_DIR}/pkg/api/${ver}/register.go"
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else
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REGISTER_FILE="${REPO_DIR}/pkg/apis/${ver}/register.go"
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fi
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SWAGGER_JSON_NAME="$(kube::util::gv-to-swagger-name "${ver}")"
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docker run ${user_flags} \
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--rm -v "${TMP_IN_HOST}":/output:z \
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-v "${SWAGGER_PATH}":/swagger-source:z \
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-v "${REGISTER_FILE}":/register.go:z \
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--net=host -e "https_proxy=${KUBERNETES_HTTPS_PROXY:-}" \
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gcr.io/google_containers/gen-swagger-docs:v8 \
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"${SWAGGER_JSON_NAME}"
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done
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# Check if we actually changed anything
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pushd "${OUTPUT_TMP}" > /dev/null
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touch .generated_html
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find . -type f | cut -sd / -f 2- | LC_ALL=C sort > .generated_html
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popd > /dev/null
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while read file; do
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if [[ -e "${OUTPUT}/${file}" && -e "${OUTPUT_TMP}/${file}" ]]; then
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echo "comparing ${OUTPUT}/${file} with ${OUTPUT_TMP}/${file}"
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# Filter all munges from original content.
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original=$(cat "${OUTPUT}/${file}")
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generated=$(cat "${OUTPUT_TMP}/${file}")
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# Filter out meaningless lines with timestamps
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original=$(echo "${original}" | grep -v "Last updated" || :)
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generated=$(echo "${generated}" | grep -v "Last updated" || :)
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# By now, the contents should be normalized and stripped of any
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# auto-managed content.
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if diff -B >/dev/null <(echo "${original}") <(echo "${generated}"); then
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# actual contents same, overwrite generated with original.
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cp "${OUTPUT}/${file}" "${OUTPUT_TMP}/${file}"
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fi
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fi
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done <"${OUTPUT_TMP}/.generated_html"
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echo "Moving api reference docs from ${OUTPUT_TMP} to ${OUTPUT}"
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cp -af "${OUTPUT_TMP}"/* "${OUTPUT}"
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rm -r "${OUTPUT_TMP}"
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# ex: ts=2 sw=2 et filetype=sh
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