minio/buildscripts/checkdeps.sh

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#!/usr/bin/env bash
#
# Minio Cloud Storage, (C) 2015 Minio, Inc.
#
# Licensed 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.
#
_init() {
shopt -s extglob
## Minimum required versions for build dependencies
GIT_VERSION="1.0"
CURL_VERSION="7.12.0"
GPG_VERSION="1.3"
GO_VERSION="1.5.1"
OSX_VERSION="10.8"
UNAME=$(uname -sm)
## Check all dependencies are present
MISSING=""
}
readlink() {
TARGET_FILE=$1
cd `dirname $TARGET_FILE`
TARGET_FILE=`basename $TARGET_FILE`
# Iterate down a (possible) chain of symlinks
while [ -L "$TARGET_FILE" ]
do
TARGET_FILE=$(env readlink $TARGET_FILE)
cd `dirname $TARGET_FILE`
TARGET_FILE=`basename $TARGET_FILE`
done
# Compute the canonicalized name by finding the physical path
# for the directory we're in and appending the target file.
PHYS_DIR=`pwd -P`
RESULT=$PHYS_DIR/$TARGET_FILE
echo $RESULT
}
###
#
# Takes two arguments
# arg1: version number in `x.x.x` format
# arg2: version number in `x.x.x` format
#
# example: check_version "$version1" "$version2"
#
# returns:
# 0 - Installed version is equal to required
# 1 - Installed version is greater than required
# 2 - Installed version is lesser than required
# 3 - If args have length zero
#
####
check_version() {
## validate args
[[ -z "$1" ]] && return 3
[[ -z "$2" ]] && return 3
if [[ $1 == $2 ]]; then
return 0
fi
local IFS=.
local i ver1=($1) ver2=($2)
# fill empty fields in ver1 with zeros
for ((i=${#ver1[@]}; i<${#ver2[@]}; i++)); do
ver1[i]=0
done
for ((i=0; i<${#ver1[@]}; i++)); do
if [[ -z ${ver2[i]} ]]; then
# fill empty fields in ver2 with zeros
ver2[i]=0
fi
if ((10#${ver1[i]} > 10#${ver2[i]})); then
return 1
fi
if ((10#${ver1[i]} < 10#${ver2[i]})); then
## Installed version is lesser than required - Bad condition
return 2
fi
done
return 0
}
check_golang_env() {
echo ${GOROOT:?} 2>&1 >/dev/null
if [ $? -eq 1 ]; then
echo "ERROR"
echo "GOROOT environment variable missing, please refer to Go installation document"
echo "https://github.com/minio/minio/blob/master/INSTALLGO.md#install-go-13"
exit 1
fi
echo ${GOPATH:?} 2>&1 >/dev/null
if [ $? -eq 1 ]; then
echo "ERROR"
echo "GOPATH environment variable missing, please refer to Go installation document"
echo "https://github.com/minio/minio/blob/master/INSTALLGO.md#install-go-13"
exit 1
fi
local go_binary_path=$(which go)
if [ -z "${go_binary_path}" ] ; then
echo "Cannot find go binary in your PATH configuration, please refer to Go installation document"
echo "https://github.com/minio/minio/blob/master/INSTALLGO.md#install-go-13"
exit -1
fi
local new_go_binary_path=${go_binary_path}
if [ -h "${go_binary_path}" ]; then
new_go_binary_path=$(readlink ${go_binary_path})
fi
if [[ !"$(dirname ${new_go_binary_path})" =~ *"${GOROOT%%*(/)}"* ]] ; then
echo "The go binary found in your PATH configuration does not belong to the Go installation pointed by your GOROOT environment," \
"please refer to Go installation document"
echo "https://github.com/minio/minio/blob/master/INSTALLGO.md#install-go-13"
exit -1
fi
}
is_supported_os() {
case ${UNAME%% *} in
"Linux")
os="linux"
;;
"Darwin")
osx_host_version=$(env sw_vers -productVersion)
check_version "${osx_host_version}" "${OSX_VERSION}"
[[ $? -ge 2 ]] && die "Minimum OSX version supported is ${OSX_VERSION}"
;;
"*")
echo "Exiting.. unsupported operating system found"
exit 1;
esac
}
is_supported_arch() {
local supported
case ${UNAME##* } in
"x86_64")
supported=1
;;
"arm"*)
supported=1
;;
*)
supported=0
;;
esac
if [ $supported -eq 0 ]; then
echo "Invalid arch: ${UNAME} not supported, please use x86_64/amd64"
exit 1;
fi
}
check_deps() {
check_version "$(env go version 2>/dev/null | sed 's/^.* go\([0-9.]*\).*$/\1/')" "${GO_VERSION}"
if [ $? -ge 2 ]; then
MISSING="${MISSING} golang(${GO_VERSION})"
fi
check_version "$(env git --version 2>/dev/null | sed -e 's/^.* \([0-9.\].*\).*$/\1/' -e 's/^\([0-9.\]*\).*/\1/g')" "${GIT_VERSION}"
if [ $? -ge 2 ]; then
MISSING="${MISSING} git"
fi
check_version "$(env gpg --version 2>/dev/null | sed -e 's/^.* \([0-9.\].*\).*$/\1/' -e 's/^\([0-9.\]*\).*/\1/g' | head -1)" "${GPG_VERSION}"
if [ $? -ge 2 ]; then
MISSING="${MISSING} gpg"
fi
check_version "$(env curl --version 2>/dev/null | sed -e 's/^.* \([0-9.\].*\).*$/\1/' -e 's/^\([0-9.\]*\).*/\1/g' | head -1)" "${CURL_VERSION}"
if [ $? -ge 2 ]; then
MISSING="${MISSING} curl"
fi
}
main() {
echo -n "Check for supported arch.. "
is_supported_arch
echo -n "Check for supported os.. "
is_supported_os
echo -n "Checking if proper environment variables are set.. "
check_golang_env
echo "Done"
echo "Using GOPATH=${GOPATH} and GOROOT=${GOROOT}"
echo -n "Checking dependencies for Minio.. "
check_deps
## If dependencies are missing, warn the user and abort
if [ "x${MISSING}" != "x" ]; then
echo "ERROR"
echo
echo "The following build tools are missing:"
echo
echo "** ${MISSING} **"
echo
echo "Please install them "
echo "${MISSING}"
echo
echo "Follow https://github.com/minio/minio/blob/master/INSTALLGO.md for further instructions"
exit 1
fi
echo "Done"
}
_init && main "$@"