红帽系统离线更新yum源

1、文件目录结构

[root@dg1 rhel-7-server-rpms]# tree -L 2
.
├── 9d69672f86f4d058e1c2e7fd690c3e5fbf7a46e3-updateinfo.xml.gz
├── c76c2299-12f3-4f9c-b7bd-03bacee2c363
├── comps.xml
├── Packages
│   ├── 3
│   ├── a
│   ├── b
│   ├── c
│   ├── d
│   ├── e
│   ├── f
│   ├── g
│   ├── h
│   ├── i
│   ├── j
│   ├── k
│   ├── l
│   ├── m
│   ├── n
│   ├── o
│   ├── p
│   ├── q
│   ├── r
│   ├── s
│   ├── t
│   ├── u
│   ├── v
│   ├── w
│   ├── x
│   ├── y
│   └── z
└── upgrade.sh

2、脚本内容

cat upgrade.sh

#! /bin/bash

home_path=`pwd`

makedir(){
echo "please input the path:"
read folder
if [ ! -d "$folder" ]; then
   mkdir -p $folder
else
   echo "the folder $folder is already exists"
   makedir
fi
echo "makedir done!"
}


installpackages(){
echo "==============install required software ================="
sleep 2
rpm -ivh $home_path/Packages/d/deltarpm*.rpm
rpm -ivh $home_path/Packages/p/python-deltarpm*.rpm
rpm -ivh $home_path/Packages/c/createrepo*.rpm
echo "install required rpm done!"
}


copyfile(){
echo "==============copy file to the created path=============="
sleep 2
cp -r $home_path/* $folder
echo "copy file done!"
}


createrepofile(){
echo "===============create repo file==========================="
sleep 2

cat > /etc/yum.repos.d/update.repo << EOF
[update]
name=update
baseurl=file://$folder
gpgcheck=0
enabled=1
EOF
echo "create repo file done!"
}


create_repo(){
echo "=============== start create repo======================== "
sleep 2
createrepo $folder
echo "create repo done"
}

#============main========================
makedir
installpackages
copyfile
createrepofile
create_repo
echo ""
echo "done!"
#====================================
yum clean all
yum makecache