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241 lines
6.6 KiB
241 lines
6.6 KiB
#!/usr/bin/env bash
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#
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# Minio Cloud Storage, (C) 2015 Minio, Inc.
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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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#
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_init() {
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shopt -s extglob
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## Minimum required versions for build dependencies
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GCC_VERSION="4.0"
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CLANG_VERSION="3.5"
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YASM_VERSION="1.2.0"
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GIT_VERSION="1.0"
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GO_VERSION="1.4"
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OSX_VERSION="10.8"
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UNAME=$(uname -sm)
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## Check all dependencies are present
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MISSING=""
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}
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readlink() {
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TARGET_FILE=$1
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cd `dirname $TARGET_FILE`
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TARGET_FILE=`basename $TARGET_FILE`
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# Iterate down a (possible) chain of symlinks
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while [ -L "$TARGET_FILE" ]
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do
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TARGET_FILE=$(env readlink $TARGET_FILE)
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cd `dirname $TARGET_FILE`
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TARGET_FILE=`basename $TARGET_FILE`
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done
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# Compute the canonicalized name by finding the physical path
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# for the directory we're in and appending the target file.
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PHYS_DIR=`pwd -P`
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RESULT=$PHYS_DIR/$TARGET_FILE
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echo $RESULT
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}
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###
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#
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# Takes two arguments
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# arg1: version number in `x.x.x` format
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# arg2: version number in `x.x.x` format
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#
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# example: check_version "$version1" "$version2"
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#
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# returns:
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# 0 - Installed version is equal to required
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# 1 - Installed version is greater than required
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# 2 - Installed version is lesser than required
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# 3 - If args have length zero
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#
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####
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check_version() {
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## validate args
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[[ -z "$1" ]] && return 3
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[[ -z "$2" ]] && return 3
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if [[ $1 == $2 ]]; then
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return 0
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fi
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local IFS=.
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local i ver1=($1) ver2=($2)
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# fill empty fields in ver1 with zeros
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for ((i=${#ver1[@]}; i<${#ver2[@]}; i++)); do
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ver1[i]=0
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done
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for ((i=0; i<${#ver1[@]}; i++)); do
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if [[ -z ${ver2[i]} ]]; then
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# fill empty fields in ver2 with zeros
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ver2[i]=0
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fi
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if ((10#${ver1[i]} > 10#${ver2[i]})); then
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return 1
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fi
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if ((10#${ver1[i]} < 10#${ver2[i]})); then
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## Installed version is lesser than required - Bad condition
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return 2
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fi
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done
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return 0
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}
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check_golang_env() {
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echo ${GOROOT:?} 2>&1 >/dev/null
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if [ $? -eq 1 ]; then
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echo "ERROR"
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echo "GOROOT environment variable missing, please refer to Go installation document"
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echo "https://github.com/minio/minio/blob/master/INSTALLGO.md#install-go-13"
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exit 1
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fi
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echo ${GOPATH:?} 2>&1 >/dev/null
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if [ $? -eq 1 ]; then
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echo "ERROR"
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echo "GOPATH environment variable missing, please refer to Go installation document"
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echo "https://github.com/minio/minio/blob/master/INSTALLGO.md#install-go-13"
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exit 1
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fi
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local go_binary_path=$(which go)
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if [ -z "${go_binary_path}" ] ; then
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echo "Cannot find go binary in your PATH configuration, please refer to Go installation document"
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echo "https://github.com/minio/minio/blob/master/INSTALLGO.md#install-go-13"
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exit -1
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fi
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local new_go_binary_path=${go_binary_path}
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if [ -h "${go_binary_path}" ]; then
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new_go_binary_path=$(readlink ${go_binary_path})
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fi
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if [[ !"$(dirname ${new_go_binary_path})" =~ *"${GOROOT%%*(/)}"* ]] ; then
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echo "The go binary found in your PATH configuration does not belong to the Go installation pointed by your GOROOT environment," \
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"please refer to Go installation document"
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echo "https://github.com/minio/minio/blob/master/INSTALLGO.md#install-go-13"
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exit -1
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fi
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}
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is_supported_os() {
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case ${UNAME%% *} in
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"Linux")
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os="linux"
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;;
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"Darwin")
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osx_host_version=$(env sw_vers -productVersion)
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check_version "${osx_host_version}" "${OSX_VERSION}"
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[[ $? -ge 2 ]] && die "Minimum OSX version supported is ${OSX_VERSION}"
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;;
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"*")
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echo "Exiting.. unsupported operating system found"
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exit 1;
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esac
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}
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is_supported_arch() {
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local supported
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case ${UNAME##* } in
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"x86_64")
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supported=1
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;;
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*)
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supported=0
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;;
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esac
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if [ $supported -eq 0 ]; then
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echo "Invalid arch: ${UNAME} not supported, please use x86_64/amd64"
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exit 1;
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fi
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}
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check_deps() {
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check_version "$(env go version 2>/dev/null | sed 's/^.* go\([0-9.]*\).*$/\1/')" "${GO_VERSION}"
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if [ $? -ge 2 ]; then
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MISSING="${MISSING} golang(1.4)"
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fi
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check_version "$(env git --version 2>/dev/null | sed -e 's/^.* \([0-9.\].*\).*$/\1/' -e 's/^\([0-9.\]*\).*/\1/g')" "${GIT_VERSION}"
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if [ $? -ge 2 ]; then
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MISSING="${MISSING} git"
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fi
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case ${UNAME%% *} in
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"Linux")
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check_version "$(env gcc --version 2>/dev/null | sed 's/^.* \([0-9.]*\).*$/\1/' | head -1)" "${GCC_VERSION}"
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if [ $? -ge 2 ]; then
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MISSING="${MISSING} build-essential"
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fi
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;;
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"Darwin")
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check_version "$(env gcc --version 2>/dev/null | sed 's/^.* \([0-9.]*\).*$/\1/' | head -1)" "${CLANG_VERSION}"
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if [ $? -ge 2 ]; then
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MISSING="${MISSING} xcode-cli"
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fi
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;;
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"*")
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;;
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esac
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check_version "$(env yasm --version 2>/dev/null | sed 's/^.* \([0-9.]*\).*$/\1/' | head -1)" "${YASM_VERSION}"
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if [ $? -ge 2 ]; then
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MISSING="${MISSING} yasm(1.2.0)"
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fi
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}
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main() {
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echo -n "Check for supported arch.. "
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is_supported_arch
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echo -n "Check for supported os.. "
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is_supported_os
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echo -n "Checking if proper environment variables are set.. "
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check_golang_env
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echo "Done"
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echo "Using GOPATH=${GOPATH} and GOROOT=${GOROOT}"
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echo -n "Checking dependencies for Minio.. "
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check_deps
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## If dependencies are missing, warn the user and abort
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if [ "x${MISSING}" != "x" ]; then
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echo "ERROR"
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echo
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echo "The following build tools are missing:"
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echo
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echo "** ${MISSING} **"
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echo
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echo "Please install them "
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echo "${MISSING}"
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echo
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echo "Follow https://github.com/minio/minio/blob/master/INSTALLGO.md for further instructions"
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exit 1
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fi
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echo "Done"
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}
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_init && main "$@"
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