第 4 章 将 MicroShift 从 RHEL for Edge 迁移到 RHEL 的镜像模式

先决条件

• 您有一个现有的 RHEL for Edge 部署运行 MicroShift。
• 有到构建主机的 root 访问权限。
• 您有要部署的镜像。

流程

• 通过在 MicroShift image -build 中输入以下命令来解决 Open vSwitch (OVS) systemd 服务 的潜在 UID 或 GID 偏移：

  # Install systemd configuration drop-ins to fix potential permission problems when upgrading from rpm-ostree commits to image mode container layers
  RUN mkdir -p /usr/lib/systemd/system/ovsdb-server.service.d && \
      cat > /usr/lib/systemd/system/ovsdb-server.service.d/microshift-ovsdb-ownership.conf <<'EOF'
  # The openvswitch database files must be owned by the appropriate user and its primary group. That the user and its group can be overwritten, recreate them.
  [Service]
  ExecStartPre=/bin/sh -c '/bin/getent passwd openvswitch >/dev/null || useradd -r openvswitch'
  ExecStartPre=/bin/sh -c '/bin/getent group hugetlbfs >/dev/null || groupadd -r hugetlbfs'
  ExecStartPre=/sbin/usermod -a -G hugetlbfs openvswitch
  ExecStartPre=/bin/chown -Rhv openvswitch. /etc/openvswitch
  EOF

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