【Linux】Shell构建DEB包&开启自启

# 系统信息
hcy@ubuntu:~$ uname -a
Linux ubuntu 5.4.0-74-generic #83~18.04.1-Ubuntu SMP Tue May 11 16:01:00 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux


# CPU信息
hcy@ubuntu:~$ lscpu
架构：x86_64
CPU 运行模式：32-bit, 64-bit
字节序：Little Endian
...
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# 查看示例目录
hcy@ubuntu:~/Desktop$ tree deb
deb
├── DEBIAN
│   ├── control
│   ├── postinst
│   └── postrm
└── usr
    ├── bin
    │   └── dwncs
    └── share
        ├── applications
        │   └── dwncs
        └── icons


# 目录配置
DEBIAN：
  control：DEB描述性文件
  postinst：软件安装后执行脚本，常用于配置软件执行环境
  postrm：软件卸载后执行脚本，常用于清理收尾工作
  preinst：软件安装前执行脚本，常用于更新前终止进程
  prerm：软件卸载前执行脚本，常用于停止与软件包相关联的daemon服务
  
usr：软件安装目录
  bin：软件包目录
    dwncs：可执行文件目录
  share：
    applications：desktop文件目录
    icons：图标文件目录
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# （1）control
Package: dwncs
Version: 1.0.1
Priority: optional
Description: 本地组件服务应用
Architecture: amd64
Maintainer: hcy
Homepage:


# （2）preinst、postinst、prerm、postrm
#!/bin/sh
exit 0


# desktop
[Desktop Entry]
Comment=本地组件服务应用
Exec="/usr/bin/dwncs/dwncs.sh"
Icon=
Name=dwncs
Terminal=false
Type=Application
X-Deepin-Vendor=user-custom


# dwncs.sh（守护进程脚本）
#! bin/sh
export LD_LIBRARY_PATH=/usr/bin/dwncs/lib:$LD_LIBRARY_PATH
cd usr/bin/dwncs
#进程名字可修改
PRO_NAME=./dwncs
UPGRADE=./upgrade
${UPGRADE} -d


while true ; do
    #用ps获取$PRO_NAME进程数量
    NUM=`ps aux | grep -w ${PRO_NAME} | grep -v grep |wc -l`
    #echo $NUM
    #少于1，重启进程
    if [ "${NUM}" -lt "1" ];then
        echo "${PRO_NAME} was killed"
        ${PRO_NAME} -d
    #大于1，杀掉所有进程，重启
    elif [ "${NUM}" -gt "1" ];then
    echo "more than 1 ${PRO_NAME},killall ${PRO_NAME}"
        killall -9 $PRO_NAME
    ${PRO_NAME} -d
    fi
    #kill僵尸进程
    NUM_STAT=`ps aux | grep -w ${PRO_NAME} | grep T | grep -v grep | wc -l`
    if [ "${NUM_STAT}" -gt "0" ];then
        killall -9 ${PRO_NAME}
        ${PRO_NAME} -d
    fi
    sleep 3s
done
exit 0
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#! bin/sh
NAME=dwncs
DESC=本地组件服务应用
VERSION=0.0.1
ARCH=amd64
AUTHOR=hcy
URL=http://10.1.88.166:8080/dwncs/x86_64/


DWNCS=dwncs_$VERSION\_$ARCH
DESKTOP=$DWNCS/usr/local/share/application
DEBIAN=$DWNCS/DEBIAN
APP=$DWNCS/usr/bin
EXE=/usr/bin/dwncs/dwncs.sh
LIB=/usr/bin/dwncs/lib
CONF=$APP/dwncs/dwncs.conf


# 创建desktop
mkdir -p $DESKTOP
touch $DESKTOP/dwncs
chmod 777 $DESKTOP/dwncs


# desktop
echo "[Desktop Entry]" > $DESKTOP/dwncs
echo "Comment=$DESC" >> $DESKTOP/dwncs
echo "Exec=\"$EXE\"" >> $DESKTOP/dwncs
echo "Icon=" >> $DESKTOP/dwncs
echo "Name=dwncs" >> $DESKTOP/dwncs
echo "Terminal=false" >> $DESKTOP/dwncs
echo "Type=Application" >> $DESKTOP/dwncs
echo "X-Deepin-Vendor=user-custom" >> $DESKTOP/dwncs


# 创建执行文件目录
mkdir -p $APP
cp -R dwncs/ $APP
touch $CONF
chmod 755 $CONF
echo "{" > $CONF
echo -e "\t\"srcUrl\": \"$URL\"" >> $CONF
echo "}" >> $CONF


# control
echo "Package: $NAME" > $DEBIAN/control
echo "Version: $VERSION" >> $DEBIAN/control
echo "Priority: optional" >> $DEBIAN/control
echo "Description: $DESC" >> $DEBIAN/control
echo "Architecture: $ARCH" >> $DEBIAN/control
echo "Maintainer: $AUTHOR" >> $DEBIAN/control


# dpkg
dpkg -b $DWNCS $DWNCS.deb
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# （1）执行pkg.sh
hcy@ubuntu:~/Desktop/pkg$ '/home/hcy/Desktop/pkg/pkg.sh' 
dpkg-deb: 正在 'dwncs_0.0.1_amd64.deb' 中构建软件包 'dwncs'。


# （2）安装
hcy@ubuntu:~/Desktop/pkg$ sudo dpkg -i dwncs-0.0.1_amd64.deb 
正在选中未选择的软件包 dwncs。
(正在读取数据库 ... 系统当前共安装有 183557 个文件和目录。)
正准备解包 dwncs-0.0.1_amd64.deb  ...
正在解包 dwncs (0.0.1) ...
正在设置 dwncs (0.0.1) ...


# （3）执行dwncs
hcy@ubuntu:/usr/bin/dwncs$ sudo ./dwncs.sh
current absolute path : usr/bin/dwncs/
dwncs upgrade url: http://10.1.88.166:8080/dwncs/x86_64/
dwncs download path: usr/bin/dwncs/download/
filepath: usr/bin/dwncs/download/upgrade.json
response code: 200
response codemsg: OK
local_upgrade_file_md5: b41d78418a5280f28a127edd7fd540e6
server_upgrade_file_md5: 705d5f78ee56f3e6983170002c5b06c6
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# （0）注：
# 调整pkg.sh脚本，在postinst脚本中添加开机自启设置
# 通过systemctl设置开机自启


# （1）dwncs.service
[Unit]
Description=Example systemd service.


[Service]
Type=simple
ExecStart=/usr/bin/dwncs/dwncs.sh


[Install]
WantedBy=multi-user.target


# （2）pkg.sh调整
# postinst
echo "#!/bin/sh" > $DEBIAN/postinst
echo "sudo cp usr/bin/dwncs/dwncs.service etc/systemd/system/dwncs.service" >> $DEBIAN/postinst
echo "sudo chmod 644 etc/systemd/system/dwncs.service" >> $DEBIAN/postinst
echo "sudo systemctl start dwncs" >> $DEBIAN/postinst
echo "sudo systemctl enable dwncs" >> $DEBIAN/postinst


# （3）打包安装
hcy@ubuntu:~/Desktop/pkg$ '/home/hcy/Desktop/pkg/pkg.sh' 
dpkg-deb: 正在 'dwncs-0.0.1_amd64.deb' 中构建软件包 'dwncs'。
hcy@ubuntu:~/Desktop/pkg$ sudo dpkg -i dwncs_0.0.1_amd64.deb 
正在选中未选择的软件包 dwncs。
(正在读取数据库 ... 系统当前共安装有 183557 个文件和目录。)
正准备解包 dwncs_0.0.1_amd64.deb  ...
dwncs: 未找到进程
正在解包 dwncs (0.0.1) ...
正在设置 dwncs (0.0.1) ...
Created symlink etc/systemd/system/multi-user.target.wants/dwncs.service → etc/systemd/system/dwncs.service.
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#! /bin/sh
NAME=dwncs
DESC=本地组件服务应用
VERSION=0.0.1
ARCH=amd64
AUTHOR=hcy
URL=http://10.1.88.166:8080/dwncs/x86_64/


DWNCS=dwncs_$VERSION\_$ARCH
DESKTOP=$DWNCS/usr/local/share/application
DEBIAN=$DWNCS/DEBIAN
APP=$DWNCS/usr/bin
EXE=/usr/bin/dwncs/dwncs.sh
LIB=/usr/bin/dwncs/lib
CONF=$APP/dwncs/dwncs.conf


# 创建desktop
mkdir -p $DESKTOP
touch $DESKTOP/dwncs
chmod 777 $DESKTOP/dwncs


# desktop
echo "[Desktop Entry]" > $DESKTOP/dwncs
echo "Comment=$DESC" >> $DESKTOP/dwncs
echo "Exec=\"$EXE\"" >> $DESKTOP/dwncs
echo "Icon=" >> $DESKTOP/dwncs
echo "Name=dwncs" >> $DESKTOP/dwncs
echo "Terminal=false" >> $DESKTOP/dwncs
echo "Type=Application" >> $DESKTOP/dwncs
echo "X-Deepin-Vendor=user-custom" >> $DESKTOP/dwncs


# 创建执行文件目录
mkdir -p $APP
cp -R dwncs/ $APP
touch $CONF
chmod 755 $CONF
echo "{" > $CONF
echo -e "\t\"srcUrl\": \"$URL\"" >> $CONF
echo "}" >> $CONF


# DEBIAN
mkdir -p $DWNCS/DEBIAN
touch $DEBIAN/control
touch $DEBIAN/preinst
touch $DEBIAN/postinst
touch $DEBIAN/prerm
touch $DEBIAN/postrm
chmod 755 $DEBIAN/control
chmod 755 $DEBIAN/preinst
chmod 755 $DEBIAN/postinst
chmod 755 $DEBIAN/prerm
chmod 755 $DEBIAN/postrm


# control
echo "Package: $NAME" > $DEBIAN/control
echo "Version: $VERSION" >> $DEBIAN/control
echo "Priority: optional" >> $DEBIAN/control
echo "Description: $DESC" >> $DEBIAN/control
echo "Architecture: $ARCH" >> $DEBIAN/control
echo "Maintainer: $AUTHOR" >> $DEBIAN/control


# preinst
echo "#!/bin/sh" > $DEBIAN/preinst
echo "sudo killall -9 $NAME" >> $DEBIAN/preinst
echo "exit 0" >> $DEBIAN/preinst


# postinst
echo "#!/bin/sh" > $DEBIAN/postinst
echo "sudo cp /usr/bin/dwncs/dwncs.service /etc/systemd/system/dwncs.service" >> $DEBIAN/postinst
echo "sudo chmod 644 /etc/systemd/system/dwncs.service" >> $DEBIAN/postinst
echo "sudo systemctl start dwncs" >> $DEBIAN/postinst
echo "sudo systemctl enable dwncs" >> $DEBIAN/postinst
echo "exit 0" >> $DEBIAN/postinst


# prerm
echo "#!/bin/sh" > $DEBIAN/prerm
echo "sudo systemctl stop dwncs" >> $DEBIAN/prerm
echo "sudo systemctl disable dwncs" >> $DEBIAN/prerm
echo "sudo killall -9 $NAME" >> $DEBIAN/prerm
echo "exit 0" >> $DEBIAN/prerm


# postrm
echo "#!/bin/sh" > $DEBIAN/postrm
echo "sudo rm -rf /usr/bin/dwncs" >> $DEBIAN/postrm
echo "sudo rm -rf /etc/systemd/system/dwncs.service" >> $DEBIAN/postrm
echo "exit 0" >> $DEBIAN/postrm


# dpkg
dpkg -b $DWNCS $DWNCS.deb
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