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#!/bin/bash
CURRENT_SCRIPT_PATH=$(cd "$(dirname "${BASH_SOURCE[0]}")";pwd)
TCA_SCRIPT_ROOT=${TCA_SCRIPT_ROOT:-"$(dirname $CURRENT_SCRIPT_PATH; pwd)"}
PYTHON_SRC_URL=${PYTHON_SRC_URL:-"https://www.python.org/ftp/python/3.7.12/Python-3.7.12.tgz"}
PYTHON_SRC_PKG_PATH=${PYTHON_SRC_PKG_PATH:-"/tmp/Python-3.7.12.tgz"}
PYTHON_SRC_PKG_CACHE_PATH=${PYTHON_SRC_PKG_CACHE_PATH}
PYTHON_SRC_PATH=${PYTHON_SRC_PATH:-"/usr/local/src/Python-3.7.12"}
PYTHON_SRC_DIR=$(dirname $PYTHON_SRC_PATH)
PYTHON_INSTALL_PATH=${PYTHON_INSTALL_PATH:-"/usr/local/python3"}
PYPI_MIRROR_DOMAIN=${PYPI_MIRROR_DOMAIN:-"mirrors.cloud.tencent.com"}
PYPI_MIRROR_URL="https://$PYPI_MIRROR_DOMAIN/pypi/simple"
LINUX_OS=""
source $TCA_SCRIPT_ROOT/utils.sh
function check_python() {
ret=""
if command_exists python; then
result=$( python --version | grep "^Python 3.7." )
if [ "$result" = "" ]; then
ret="false"
else
ret="true"
fi
else
ret="false"
fi
echo "$ret"
}
function check_python_pkg_cache() {
if [ -n "$PYTHON_SRC_PKG_CACHE_PATH" ]; then
ret="true"
else
ret="false"
fi
echo "$ret"
}
function download_python_src() {
LOG_INFO "[PythonInstall] Download Python src from $PYTHON_SRC_URL, save to $PYTHON_SRC_PKG_PATH"
LOG_WARN " * 注意：如果下载失败或速度较慢，可以中断当前脚本（中断后可以重新启动），然后手动下载上述链接的Python包，通过环境变量 [ PYTHON_SRC_PKG_CACHE_PATH ] 指定Python包的路径"
LOG_WARN " * 比如：手动下载了Python源码压缩包到 /tmp/ 目录下，可以在运行脚本前设置： export PYTHON_SRC_PKG_CACHE_PATH=/tmp/Python-3.7.12.tgz"
wget -O $PYTHON_SRC_PKG_PATH $PYTHON_SRC_URL || error_exit "Download Python src failed"
}
function pre_install_for_python() {
## 安装编译依赖组件
LOG_INFO "[PythonInstall] Pre install tools"
case "$LINUX_OS" in
centos|rhel|sles|tlinux|tencentos)
tools="wget zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make libffi-devel xz-devel"
LOG_INFO " Start run: yum install tools: $tools"
yum -q -y install $tools || error_exit "[PythonInstall] pre install tools failed"
;;
ubuntu|debian|raspbian)
tools="wget build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libsqlite3-dev libreadline-dev libffi-dev libbz2-dev tk-dev gcc make"
LOG_INFO " Start run: apt-get update and apt-get install $tools"
apt-get update -qq >/dev/null || error_exit "[PythonInstall] pre install tools failed"
DEBIAN_FRONTEND=noninteractive apt-get -y install -qq $tools >/dev/null || error_exit "[PythonInstall] pre install tools failed"
;;
*)
LOG_ERROR "$LINUX_OS not supported."
exit 1
;;
esac
LOG_INFO "[PythonInstall] Pre install tools successfully."
}
function check_python_install_path() {
test -d "$PYTHON_INSTALL_PATH" || error_exit "$PYTHON_INSTALL_PATH exists. Please set 'PYTHON_INSTALL_PATH' value to install other dir."
}
function compile_and_link_python() {
LOG_INFO "[PythonInstall] Extract into $PYTHON_SRC_PATH"
# 解压源码到/usr/local/src目录
tar zxf $PYTHON_SRC_PKG_PATH -C $PYTHON_SRC_DIR && cd $PYTHON_SRC_PATH
LOG_INFO "[PythonInstall] Config and install to $PYTHON_INSTALL_PATH [Please wait for moment.]"
# 编译配置和安装
./configure prefix=$PYTHON_INSTALL_PATH --enable-shared >/dev/null && make -j8 >/dev/null && make install >/dev/null && make clean >/dev/null || error_exit "Install Python src failed"
# 链接构建产出的Python可执行文件到/usr/local/bin目录
check_ln_file /usr/local/bin/python $PYTHON_INSTALL_PATH/bin/python3
ln -s $PYTHON_INSTALL_PATH/bin/python3 /usr/local/bin/python
check_ln_file /usr/local/bin/python3 $PYTHON_INSTALL_PATH/bin/python3
ln -s $PYTHON_INSTALL_PATH/bin/python3 /usr/local/bin/python3
# 链接构建产出的pip3可执行文件到/usr/local/bin目录
check_ln_file /usr/local/bin/pip $PYTHON_INSTALL_PATH/bin/pip3
ln -s $PYTHON_INSTALL_PATH/bin/pip3 /usr/local/bin/pip
check_ln_file /usr/local/bin/pip3 $PYTHON_INSTALL_PATH/bin/pip3
ln -s $PYTHON_INSTALL_PATH/bin/pip3 /usr/local/bin/pip3
# 链接构建产出的Python动态库
ln -s $PYTHON_INSTALL_PATH/lib/libpython3.7m.so.1.0 /usr/lib/libpython3.7m.so.1.0
# 配置动态库
ldconfig
# 配置路径
export PATH=/usr/local/bin:$PATH
}
function set_pypi_mirror() {
LOG_INFO "[PythonInstall] Set pypi config [ $PYPI_MIRROR_URL ]"
mkdir -p ~/.pip/
echo "[global]
index-url = $PYPI_MIRROR_URL
[install]
trusted-host=$PYPI_MIRROR_DOMAIN" > ~/.pip/pip.conf
use_right_pip "install -q -U pip"
}
function quiet_install_python() {
LINUX_OS=$( get_linux_os )
LOG_INFO "[PythonInstall] Check Python version"
ret=$( check_python )
if [ "$ret" == "true" ]; then
LOG_WARN "This machine had installed Python3.7"
return 0
fi
pre_install_for_python
cache=$( check_python_pkg_cache )
if [ "$cache" == "false" ]; then
download_python_src
else
LOG_INFO "[PythonInstall] Use Python PKG Cache: "$PYTHON_SRC_PKG_CACHE_PATH
PYTHON_SRC_PKG_PATH=$PYTHON_SRC_PKG_CACHE_PATH
fi
compile_and_link_python
check_python
set_pypi_mirror
LOG_INFO "[PythonInstall] Install Python3.7.12 successfully."
}
function interactive_install_python() {
ret=$( check_python )
if [ "$ret" == "true" ]; then
return 0
fi
LOG_WARN "Deploying TCA depend on Python3.7. Current machine has not installed Python3.7."
LOG_INFO "Do you want to install [Python3.7] by this script?"
read -p "Please enter:[Y/N]" result
case $result in
[yY])
quiet_install_python
;;
[nN])
LOG_WARN "Cancel install Python3.7"
return 1
;;
*)
LOG_ERROR "Invalid input. Stop."
exit 1
;;
esac
}