hadoop/dev-support/bin/yetus-wrapper

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#!/usr/bin/env bash
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
set -o pipefail
## @description Print a message to stderr
## @audience public
## @stability stable
## @replaceable no
## @param string
function yetus_error
{
echo "$*" 1>&2
}
## @description Given a filename or dir, return the absolute version of it
## @audience public
## @stability stable
## @param directory
## @replaceable no
## @return 0 success
## @return 1 failure
## @return stdout abspath
function yetus_abs
{
declare obj=$1
declare dir
declare fn
if [[ ! -e ${obj} ]]; then
return 1
elif [[ -d ${obj} ]]; then
dir=${obj}
else
dir=$(dirname -- "${obj}")
fn=$(basename -- "${obj}")
fn="/${fn}"
fi
dir=$(cd -P -- "${dir}" >/dev/null 2>/dev/null && pwd -P)
if [[ $? = 0 ]]; then
echo "${dir}${fn}"
return 0
fi
return 1
}
WANTED="$1"
shift
ARGV=("$@")
HADOOP_YETUS_VERSION=${HADOOP_YETUS_VERSION:-0.1.0}
BIN=$(yetus_abs "${BASH_SOURCE-$0}")
BINDIR=$(dirname "${BIN}")
###
### if YETUS_HOME is set, then try to use it
###
if [[ -n "${YETUS_HOME}"
&& -x "${YETUS_HOME}/bin/${WANTED}" ]]; then
exec "${YETUS_HOME}/bin/${WANTED}" "${ARGV[@]}"
fi
#
# this directory is ignored by git and maven
#
HADOOP_PATCHPROCESS=${HADOOP_PATCHPROCESS:-"${BINDIR}/../../patchprocess"}
if [[ ! -d "${HADOOP_PATCHPROCESS}" ]]; then
mkdir -p "${HADOOP_PATCHPROCESS}"
fi
mytmpdir=$(yetus_abs "${HADOOP_PATCHPROCESS}")
if [[ $? != 0 ]]; then
yetus_error "yetus-dl: Unable to cwd to ${HADOOP_PATCHPROCESS}"
exit 1
fi
HADOOP_PATCHPROCESS=${mytmpdir}
##
## if we've already DL'd it, then short cut
##
if [[ -x "${HADOOP_PATCHPROCESS}/yetus-${HADOOP_YETUS_VERSION}/bin/${WANTED}" ]]; then
exec "${HADOOP_PATCHPROCESS}/yetus-${HADOOP_YETUS_VERSION}/bin/${WANTED}" "${ARGV[@]}"
fi
##
## need to DL, etc
##
BASEURL="https://dist.apache.org/repos/dist/release/yetus/${HADOOP_YETUS_VERSION}/"
TARBALL="yetus-${HADOOP_YETUS_VERSION}-bin.tar"
GPGBIN=$(command -v gpg)
CURLBIN=$(command -v curl)
pushd "${HADOOP_PATCHPROCESS}" >/dev/null
if [[ $? != 0 ]]; then
yetus_error "ERROR: yetus-dl: Cannot pushd to ${HADOOP_PATCHPROCESS}"
exit 1
fi
if [[ -n "${CURLBIN}" ]]; then
"${CURLBIN}" -s -L -O "${BASEURL}/${TARBALL}.gz"
if [[ $? != 0 ]]; then
yetus_error "ERROR: yetus-dl: unable to download ${BASEURL}/${TARBALL}.gz"
exit 1
fi
else
yetus_error "ERROR: yetus-dl requires curl."
exit 1
fi
if [[ -n "${GPGBIN}" ]]; then
mkdir -p .gpg
if [[ $? != 0 ]]; then
yetus_error "ERROR: yetus-dl: Unable to create ${HADOOP_PATCHPROCESS}/.gpg"
exit 1
fi
chmod -R 700 .gpg
if [[ $? != 0 ]]; then
yetus_error "ERROR: yetus-dl: Unable to chmod ${HADOOP_PATCHPROCESS}/.gpg"
exit 1
fi
"${CURLBIN}" -s -L -o KEYS_YETUS https://dist.apache.org/repos/dist/release/yetus/KEYS
if [[ $? != 0 ]]; then
yetus_error "ERROR: yetus-dl: unable to fetch https://dist.apache.org/repos/dist/release/yetus/KEYS"
exit 1
fi
"${CURLBIN}" -s -L -O "${BASEURL}/${TARBALL}.gz.asc"
if [[ $? != 0 ]]; then
yetus_error "ERROR: yetus-dl: unable to fetch ${BASEURL}/${TARBALL}.gz.asc"
exit 1
fi
"${GPGBIN}" --homedir "${HADOOP_PATCHPROCESS}/.gpg" --import "${HADOOP_PATCHPROCESS}/KEYS_YETUS" >/dev/null 2>&1
if [[ $? != 0 ]]; then
yetus_error "ERROR: yetus-dl: gpg unable to import ${HADOOP_PATCHPROCESS}/KEYS_YETUS"
exit 1
fi
"${GPGBIN}" --homedir "${HADOOP_PATCHPROCESS}/.gpg" --verify "${TARBALL}.gz.asc" >/dev/null 2>&1
if [[ $? != 0 ]]; then
yetus_error "ERROR: yetus-dl: gpg verify of tarball in ${HADOOP_PATCHPROCESS} failed"
exit 1
fi
fi
gunzip -c "${TARBALL}.gz" | tar xpf -
if [[ $? != 0 ]]; then
yetus_error "ERROR: ${TARBALL}.gz is corrupt. Investigate and then remove ${HADOOP_PATCHPROCESS} to try again."
exit 1
fi
if [[ -x "${HADOOP_PATCHPROCESS}/yetus-${HADOOP_YETUS_VERSION}/bin/${WANTED}" ]]; then
popd >/dev/null
exec "${HADOOP_PATCHPROCESS}/yetus-${HADOOP_YETUS_VERSION}/bin/${WANTED}" "${ARGV[@]}"
fi
##
## give up
##
yetus_error "ERROR: ${WANTED} is not part of Apache Yetus ${HADOOP_YETUS_VERSION}"
exit 1