1. 本地環境

RockyLinux: Rocky Linux release 8.8 (Green Obsidian)

python:  3.x.x

公網鏡像：rockylinux鏡像_rockylinux下載地址_rockylinux安裝教程-阿裡巴巴開源鏡像站 (aliyun.com)

2. 說明

Rockylinux 是基於Redhat8 在編譯版本，在redhat8 版本中相比較於redhat7中的本地鏡像倉庫文件除了包的元數據需要創建，還需要創建集合的元數據。以下主要介紹的就是創建集合的元數據的命令。如果不創建將會遇到如下報錯

No available modular metadata for modular package 'perl-AutoLoader-5.74-472.module+el8.8.0+1134+a197a740.noarch', it cannot be installed on the system
No available modular metadata for modular package 'perl-B-1.80-472.module+el8.8.0+1134+a197a740.x86_64', it cannot be installed on the system
No available modular metadata for modular package 'perl-Carp-1.50-439.module+el8.6.0+879+823e3012.noarch', it cannot be installed on the system
No available modular metadata for modular package 'perl-Class-Struct-0.66-472.module+el8.8.0+1134+a197a740.noarch', it cannot be installed on the system
No available modular metadata for modular package 'perl-Data-Dumper-2.174-440.module+el8.6.0+879+823e3012.x86_64', it cannot be installed on the system
No available modular metadata for modular package 'perl-Digest-1.20-1.module+el8.6.0+879+823e3012.noarch', it cannot be installed on the system
No available modular metadata for modular package 'perl-Digest-MD5-2.58-1.module+el8.6.0+879+823e3012.x86_64', it cannot be installed on the system
No available modular metadata for modular package 'perl-DynaLoader-1.47-472.module+el8.8.0+1134+a197a740.x86_64', it cannot be installed on the system
No available modular metadata for modular package 'perl-Encode-4:3.08-461.module+el8.6.0+879+823e3012.x86_64', it cannot be installed on the system

3. 從0開始搭建本地鏡像

3.1 搭建本地nginx服務，提供目錄索引，並設置root為 /data  (搭建過程自行搜索)

3.2  本地伺服器yum源更改預設的為阿裡雲鏡像

sed -e 's|^mirrorlist=|#mirrorlist=|g' \
    -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://mirrors.aliyun.com/rockylinux|g' \
    -i.bak \
    /etc/yum.repos.d/Rocky-*.repo

dnf makecache

3.3  搭建Rockyliunx 本地鏡像倉庫 baseos

創建目錄

mkdir /data/rocky/8/

3.4 使用reposync同步鏡像數據到本地

reposync --repoid=baseos -p /data/rocky/8/

3.5 進入目錄，執行createrepo_c 生成包的元數據信息

cd /data/rocky/8/base 
createrepo_c .

3.6 安裝集合元數據生成命令軟體包modulemd-tools，生成modules.yaml 文件，之後再寫入到 repodate/目錄中

yum install -y modulemd-tools

cd /data/rocky/8/baseos    
repo2module -s stable ./ modules.yaml
createrepo .
modifyrepo_c  --mdtype=modules modules.yaml repodata/

3.7 編寫 rocky.repo本地文件

[root@rocky8U9-template yum.repos.d]# cat rocky.repo
[baseos]
name=vcredit rocky linux base - 
baseurl=http://x.x.x.x/rocky/8/baseos
gpgcheck=0

[appstream]
name=vcredit rocky linux appstream 
baseurl=http://x.x.x.x/rocky/8/appstream
gpgcheck=0
[zabbix]
name=vcredit rocky linux zabbix
baseurl=http://x.x.x.x/zabbix/8/
gpgcheck=0

3.8 在內網機器下載repo文件，同步完成即可下載。

ps:appstream本地倉庫創建命令如下：

reposync --repoid=appstream -p /data/rocky/8/
cd /data/rocky/8/appstream
repo2module -s stable ./ modules.yaml
createrepo .
modifyrepo_c  --mdtype=modules modules.yaml repodata/