12.5.23. 创建在 SR-IOV 网络中运行的计算机器

流程

1. 在命令行中，将工作目录改为 inventory.yaml 和 common.yaml 文件的位置。

2. 使用 additionalNetworks 参数在 inventory.yaml 文件末尾添加 radio 和 uplink网络：

   ....
   # If this value is non-empty, the corresponding floating IP will be
   # attached to the bootstrap machine. This is needed for collecting logs
   # in case of install failure.
       os_bootstrap_fip: '203.0.113.20'
   
       additionalNetworks:
       - id: radio
         count: 4 1
         type: direct
         port_security_enabled: no
       - id: uplink
         count: 4 2
         type: direct
         port_security_enabled: no

   1 2

   count 参数定义附加到每个 worker 节点的 SR-IOV 虚拟功能（VF）的数量。在这种情况下，每个网络都有四个 VF。

3. 将 compute-nodes.yaml 文件的内容替换为以下文本：

   例 12.1. compute-nodes.yaml

   - import_playbook: common.yaml
   
   - hosts: all
     gather_facts: no
   
     vars:
       worker_list: []
       port_name_list: []
       nic_list: []
   
     tasks:
     # Create the SDN/primary port for each worker node
     - name: 'Create the Compute ports'
       os_port:
         name: "{{ item.1 }}-{{ item.0 }}"
         network: "{{ os_network }}"
         security_groups:
         - "{{ os_sg_worker }}"
         allowed_address_pairs:
         - ip_address: "{{ os_ingressVIP }}"
       with_indexed_items: "{{ [os_port_worker] * os_compute_nodes_number }}"
       register: ports
   
     # Tag each SDN/primary port with cluster name
     - name: 'Set Compute ports tag'
       command:
         cmd: "openstack port set --tag {{ cluster_id_tag }} {{ item.1 }}-{{ item.0 }}"
       with_indexed_items: "{{ [os_port_worker] * os_compute_nodes_number }}"
   
     - name: 'List the Compute Trunks'
       command:
         cmd: "openstack network trunk list"
       when: os_networking_type == "Kuryr"
       register: compute_trunks
   
     - name: 'Create the Compute trunks'
       command:
         cmd: "openstack network trunk create --parent-port {{ item.1.id }} {{ os_compute_trunk_name }}-{{ item.0 }}"
       with_indexed_items: "{{ ports.results }}"
       when:
       - os_networking_type == "Kuryr"
       - "os_compute_trunk_name|string not in compute_trunks.stdout"
   
     - name: ‘Call additional-port processing’
       include_tasks: additional-ports.yaml
   
     # Create additional ports in OpenStack
     - name: ‘Create additionalNetworks ports’
       os_port:
         name:  "{{ item.0 }}-{{ item.1.name }}"
         vnic_type: "{{ item.1.type }}"
         network: "{{ item.1.uuid }}"
         port_security_enabled: "{{ item.1.port_security_enabled|default(omit) }}"
         no_security_groups: "{{ 'true' if item.1.security_groups is not defined else omit }}"
         security_groups: "{{ item.1.security_groups | default(omit) }}"
       with_nested:
         - "{{ worker_list }}"
         - "{{ port_name_list }}"
   
     # Tag the ports with the cluster info
     - name: 'Set additionalNetworks ports tag'
       command:
         cmd: "openstack port set --tag {{ cluster_id_tag }} {{ item.0 }}-{{ item.1.name }}"
       with_nested:
         - "{{ worker_list }}"
         - "{{ port_name_list }}"
   
     # Build the nic list to use for server create
     - name: Build nic list
       set_fact:
         nic_list: "{{ nic_list | default([]) + [ item.name ] }}"
       with_items: "{{ port_name_list }}"
   
     # Create the servers
     - name: 'Create the Compute servers'
       vars:
         worker_nics: "{{ [ item.1 ] | product(nic_list) | map('join','-') | map('regex_replace', '(.*)', 'port-name=\\1') | list }}"
       os_server:
         name: "{{ item.1 }}"
         image: "{{ os_image_rhcos }}"
         flavor: "{{ os_flavor_worker }}"
         auto_ip: no
         userdata: "{{ lookup('file', 'worker.ign') | string }}"
         security_groups: []
         nics:  "{{ [ 'port-name=' + os_port_worker + '-' + item.0|string ] + worker_nics }}"
         config_drive: yes
       with_indexed_items: "{{ worker_list }}"

4. 将以下内容插入到名为 additional-ports.yaml 的本地文件中：

   例 12.2. additional-ports.yaml

   # Build a list of worker nodes with indexes
   - name: ‘Build worker list’
     set_fact:
       worker_list: "{{ worker_list | default([]) + [ item.1 + '-' + item.0 | string ] }}"
     with_indexed_items: "{{ [ os_compute_server_name ] * os_compute_nodes_number }}"
   
   # Ensure that each network specified in additionalNetworks exists
   - name: ‘Verify additionalNetworks’
     os_networks_info:
       name: "{{ item.id }}"
     with_items: "{{ additionalNetworks }}"
     register: network_info
   
   # Expand additionalNetworks by the count parameter in each network definition
   - name: ‘Build port and port index list for additionalNetworks’
     set_fact:
       port_list: "{{ port_list | default([]) + [ {
                       'net_name' : item.1.id,
                       'uuid' : network_info.results[item.0].openstack_networks[0].id,
                       'type' : item.1.type|default('normal'),
                       'security_groups' : item.1.security_groups|default(omit),
                       'port_security_enabled' : item.1.port_security_enabled|default(omit)
                       } ] * item.1.count|default(1) }}"
       index_list: "{{ index_list | default([]) + range(item.1.count|default(1)) | list }}"
     with_indexed_items: "{{ additionalNetworks }}"
   
   # Calculate and save the name of the port
   # The format of the name is cluster_name-worker-workerID-networkUUID(partial)-count
   # i.e. fdp-nz995-worker-1-99bcd111-1
   - name: ‘Calculate port name’
     set_fact:
       port_name_list: "{{ port_name_list | default([]) + [ item.1 | combine( {'name' : item.1.uuid | regex_search('([^-]+)') + '-' + index_list[item.0]|string } ) ] }}"
     with_indexed_items: "{{ port_list }}"
     when: port_list is defined

5. 在命令行中运行 compute-nodes.yaml playbook：

   $ ansible-playbook -i inventory.yaml compute-nodes.yaml