第 4 章 将 overcloud 从 OpenStack Platform 版本 15 升级到 16.1

流程

1. 以 stack 用户的身份登录 undercloud。

2. Source stackrc 文件：

   $ source ~/stackrc

3. 创建 overcloud 的静态清单文件：

   $ tripleo-ansible-inventory --static-yaml-inventory ~/inventory.yaml

4. 创建使用新名称标记现有镜像的脚本：

   cat > pcmkr_common_tag.sh <<'EOF'
   #!/bin/sh
   # Due to a change in internal CI repo, we need to adjust
   # the HA relate containers before running the update.
   # See bz#1846042/PIDONE
   OLD_PREFIX=${1:-"openstack-"}
   NEW_PREFIX=${2:-"openstack-"}
   TRANSFORM=s%${OLD_PREFIX}%${NEW_PREFIX}%p
   
   # Get all images used by HA containers (disregards images with cluster common tag in their name)
   IMAGES=$(sudo podman images | awk '$1 !~ /cluster.common.tag/ && $2 ~ /pcmklatest/ {print $1}')
   
   if [ -n "$IMAGES" ]; then
       echo "Creating cluster common tags and linking them to current HA images"
   fi
   
   # i: 192.168.24.1:8787/rhosp15-rhel8/openstack-mariadb
   # image: openstack-mariadb
   # transformed: openstack-mariadb
   # full_i: 192.168.24.1:8787/rhosp15-rhel8/openstack-mariadb:pcmklatest
   # full_icommon: cluster.common.tag/openstack-mariadb:pcmklatest
   for i in $IMAGES; do
       image=$(echo "$i" | sed 's%.*/%%')
       transformed=$(echo $image | sed -n $TRANSFORM)
       full_i=$i:pcmklatest
       full_icommon=cluster.common.tag/${transformed}:pcmklatest
       # echo $i - $TRANSFORM "=>" $image - $transformed
   
       # original image points to a image hash, create a new tag
       # with cluster.common.tag and make it point to the same image hash
       echo $full_i "-->" $full_icommon
       sudo podman tag $full_i $full_icommon
   done
   EOF

5. 要使用新名称标记现有镜像，请运行该脚本：

   $ ansible -i inventory.yaml 'overcloud' -m script -a './pcmkr_common_tag.sh'