인프런 커뮤니티 질문&답변

안녕하세요! CentOS의 EOS가 종료됨에 따라 레포지토리가 더이상 사용할 수 없게 되어서

docker build -t mysql57.0.0 ./ 명령어 시에 아래와 같은 에러가 발생합니다.

$ docker build -t mysql57.0.0 ./

...
...

=> ERROR [ 5/12] RUN yum install -y perl.x86_64     libaio.x86_64     numactl-libs.x86_64     net-tools.x86_64     sudo.x86_64

Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=container error was

0.572 14: curl#6 - "Could not resolve host: mirrorlist.centos.org; Unknown error"

이는 레포지토리가 더이상 지원하지 않아서 yum install -y 할 때 나타나는 에러입니다.

그래서 /etc/yum.repos.d/CentOS-Base.repo 의 내용을 아래와 같이 변경해야합니다.

[base]
name=CentOS-$releasever - Base
# original
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
# new
baseurl=http://centos.mirror.cdnetworks.com/7/os/x86_64
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#released updates
[updates]
name=CentOS-$releasever - Updates
# original
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
# new
baseurl=http://centos.mirror.cdnetworks.com/7/updates/x86_64
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
# original
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/
# new
baseurl=http://centos.mirror.cdnetworks.com/7/extras/x86_64
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
# original
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/
# new
baseurl=http://centos.mirror.cdnetworks.com/7/centosplus/x86_64
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

그리고 CentOS-Base.repo 파일을 Dockerfile에 추가하였습니다

FROM centos:7
COPY ["Percona-Server-client-57-5.7.30-33.1.el7.x86_64.rpm",\
      "Percona-Server-server-57-5.7.30-33.1.el7.x86_64.rpm", \
      "Percona-Server-shared-57-5.7.30-33.1.el7.x86_64.rpm", \
      "Percona-Server-shared-compat-57-5.7.30-33.1.el7.x86_64.rpm", \
      "node_exporter-1.0.1.linux-amd64.tar.gz", \
      "mysqld_exporter-0.12.1.linux-amd64.tar.gz", \
      "start_node_exporter.sh", \
      "start_mysqld_exporter.sh", \
      ".my.cnf","/tmp/"]
COPY CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo
USER root
RUN groupadd -g 1001 mysql
RUN useradd -u 1001 -r -g 1001 mysql
RUN yum install -y perl.x86_64 \
    libaio.x86_64 \
    numactl-libs.x86_64 \
    net-tools.x86_64 \
    sudo.x86_64
RUN yum downgrade -y openssl-libs-1.0.2k-16.el7  -> 다운그레이드!

...
...
...

COPY CentOS-Base.repo /etc/you.repos.d/CentOS-Base.repo를 추가하고 나서

docker build -t mysql57.0.0 ./ 실행하니까 정상적으로 잘 되네요!

그리고 이유는 모르겠으나 yum install -y penssl-libs-1.0.2k-16.el7을 하면 패키지 버전 충돌때문에 빌드 시 에러가 발생합니다.

yum install -y penssl-libs-1.0.2k-16.el7를 제거하고 yum downgrade -y openssl-libs-1.0.2k-16.el7를 추가하니까 빌드가 잘됩니다.. 이유는 레포지토리가 변경되면서 뭔가.. 그런거 같기도하고 잘모르겠네요

감사합니다.!