第 4 章 配置 overcloud

流程

1. 在 stack 用户的主目录中创建一个新的 network_data_spine_leaf.yaml 文件。使用默认 network_data_subnets_routed.yaml 文件作为基础：

   $ cp /usr/share/openstack-tripleo-heat-templates/network_data_subnets_routed.yaml /home/stack/network_data_spine_leaf.yaml

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2. 在 network_data_spine_leaf.yaml 文件中，编辑 YAML 列表，将每个基本网络和对应的 leaf 子网定义为可组合网络项。使用以下示例语法定义基础 leaf 和两个 leaf 子网：

   - name: <base_name>
     name_lower: <lowercase_name>
     vip: <true/false>
     vlan: '<vlan_id>'
     ip_subnet: '<network_address>/<prefix>'
     allocation_pools: [{'start': '<start_address>', 'end': '<end_address>'}]
     gateway_ip: '<router_ip_address>'
     subnets:
       <leaf_subnet_name>:
         vlan: '<vlan_id>'
         ip_subnet: '<network_address>/<prefix>'
         allocation_pools: [{'start': '<start_address>', 'end': '<end_address>'}]
         gateway_ip: '<router_ip_address>'
       <leaf_subnet_name>:
         vlan: '<vlan_id>'
         ip_subnet: '<network_address>/<prefix>'
         allocation_pools: [{'start': '<start_address>', 'end': '<end_address>'}]
         gateway_ip: '<router_ip_address>'

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   以下示例演示了如何定义内部 API 网络及其叶网络：

   - name: InternalApi
     name_lower: internal_api
     vip: true
     vlan: 10
     ip_subnet: '172.18.0.0/24'
     allocation_pools: [{'start': '172.18.0.4', 'end': '172.18.0.250'}]
     gateway_ip: '172.18.0.1'
     subnets:
       internal_api_leaf1:
         vlan: 11
         ip_subnet: '172.18.1.0/24'
         allocation_pools: [{'start': '172.18.1.4', 'end': '172.18.1.250'}]
         gateway_ip: '172.18.1.1'
       internal_api_leaf2:
         vlan: 12
         ip_subnet: '172.18.2.0/24'
         allocation_pools: [{'start': '172.18.2.4', 'end': '172.18.2.250'}]
         gateway_ip: '172.18.2.1'

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