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复制yum repo文件

    pkg_pattern="$(echo "${DOCKER_VERSION}" | sed "s/-ce-/\\\\.ce.*/g" | sed "s/-/.*/g").*el"
    pkg_version=$(yum list --showduplicates 'docker-ce' | grep "$pkg_pattern" | tail -1 | awk '{print $2}' | cut -d':' -f 2)
    [[ -n $pkg_version ]] || job_fail "ERROR: $DOCKER_VERSION not found amongst yum list results"
    cli_pkg_version=$(yum list --showduplicates 'docker-ce-cli' | grep "$pkg_pattern" | tail -1 | awk '{print $2}' | cut -d':' -f 2)


yum -y install docker-ce-cli-"$cli_pkg_version" docker-ce-"$pkg_version" containerd.io

复制 daemon.json 文件

systemctl enable docker
systemctl restart docker