配置gitlab库后安装gitlab-ce报错错误：为仓库 'gitlab_gitlab-ce-source' 下载元数据失败 : repomd.xml GPG signature verification error: Bad GPG signature

1. 环境查看
   系统环境
   软件环境
2. 报错信息
   配置gitlbab库之后安装gitlab-ce报错如下

# yum install gitlab-ce-16.7.10
# 错误：为仓库 'gitlab_gitlab-ce-source' 下载元数据失败 : repomd.xml GPG signature verification error: Bad GPG signature

3. 修复
   原因是密钥错误
   修改yum配置
   
   修改后的完整配置文档如下

# cat /etc/yum.repos.d/gitlab_gitlab-ce.repo
[gitlab_gitlab-ce]
name=gitlab_gitlab-ce
baseurl=https://packages.gitlab.com/gitlab/gitlab-ce/el/9/$basearch
repo_gpgcheck=0
gpgcheck=0
enabled=1
gpgkey=https://packages.gitlab.com/gitlab/gitlab-ce/gpgkey
       https://packages.gitlab.com/gitlab/gitlab-ce/gpgkey/gitlab-gitlab-ce-3D645A26AB9FBD22.pub.gpg
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300

[gitlab_gitlab-ce-source]
name=gitlab_gitlab-ce-source
baseurl=https://packages.gitlab.com/gitlab/gitlab-ce/el/9/SRPMS
repo_gpgcheck=0
gpgcheck=0
enabled=1
gpgkey=https://packages.gitlab.com/gitlab/gitlab-ce/gpgkey
       https://packages.gitlab.com/gitlab/gitlab-ce/gpgkey/gitlab-gitlab-ce-3D645A26AB9FBD22.pub.gpg
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300

更新

# yum clean all
# yum makecacke
# yum update

更新后即可正常安装