OpenStack安装过程Yum源的问题解决
首先说Openstack官网的安装文档做的太棒了，文档链接：http://docs.openstack.org/mitaka/install-guide-rdo/。但是在执行
yum install python-openstackclient 遇到如下错误，有若干依赖包无法下载。
python2-babel-2.3.4-1.el7.noar FAILED ====- ] 700 kB/s | 4.8 MB00:00:04 ETA
http://mirror.centos.org/centos/7/cloud/x86_64/openstack-mitaka/common/python2-babel-2.3.4-1.el7.noarch.rpm: Package does not match intended download. Suggestion: run yum --enablerepo=centos-openstack-mitaka clean metadata
Trying other mirror.
解决办法如下：
检查CentOS-OpenStack-mitaka.repo
more /etc/yum.repos.d/CentOS-OpenStack-mitaka.repo
name=CentOS-7 - OpenStack mitaka
baseurl=http://mirror.centos.org/centos/7/cloud/$basearch/openstack-mitaka/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-Cloud
将其中的baseurl修改为aliyun或其它的国内源
vi /etc/yum.repos.d/CentOS-OpenStack-mitaka.repo
name=CentOS-7 - OpenStack mitaka
baseurl=http://mirrors.aliyun.com/centos/7/cloud/$basearch/openstack-mitaka/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-Cloud
上述过程可使用sed直接修改文件完成
sed -i 's/mirror.centos.org/mirrors.aliyun.com/g' /etc/yum.repos.d/CentOS-OpenStack-mitaka.repo
然后执行
yum --enablerepo=centos-openstack-mitaka clean metadata
或者
yum clean all
之后运行
yum install python-openstackclient 安装过程就不会报错了。
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