networking - 如何在 Ansible 中循环打印特定内容

Question

我有点坚持 Ansible 试图从 F5 的返回中打印一些变量。

我正在尝试打印在确定的池中配置了哪些节点。我可以得到所有结果：

TASK [f5_getpoolmembers : Ver IPs de un pool] ***********************************************************************************
ok: [localhost] => (item=[u'pool_createdby_ansible_f5']) => 
  msg:
  - pool_createdby_ansible_f5
  - - address: 10.10.10.34
      connection_limit: 0
      description: prova_ansible_pool
      dynamic_ratio: 1
      ephemeral: 'no'
      fqdn_autopopulate: 'yes'
      full_path: /Common/10.10.10.34:80
      inherit_profile: 'yes'
      logging: 'no'
      monitors: []
      name: 10.10.10.34:80
      partition: Common
      priority_group: 0
      rate_limit: 'no'
      ratio: 1
      real_session: user-enabled
      real_state: unchecked
      state: present
    - address: 10.100.250.5
      connection_limit: 0
      dynamic_ratio: 1
      ephemeral: 'no'
      fqdn_autopopulate: 'no'
      full_path: /Common/10.100.250.5:80
      inherit_profile: 'yes'
      logging: 'no'
      monitors: []
      name: 10.100.250.5:80
      partition: Common
      priority_group: 0
      rate_limit: 'no'
      ratio: 1
      real_session: user-enabled
      real_state: unchecked
      state: present

使用该代码：

- name: "Ver IPs de un pool"
  debug:
    msg:
      - "{{item.name}}"
      - "{{item.members}}"
  loop: "{{pool_facts.ltm_pools}}"
  loop_control:
    label:
      - "{{item.name}}"
  when: item.name is search "ansible"

问题是当我尝试只name为池中的每个节点打印时。我找不到办法。尝试了许多选项，例如嵌套或子元素，但没有奏效。如果我尝试只打印name，我只会得到第一个节点：

TASK [f5_getpoolmembers : Ver IPs de un pool] ***********************************************************************************
ok: [localhost] => (item=[u'pool_createdby_ansible_f5']) => 
  msg:
  - pool_createdby_ansible_f5
  - 10.10.10.34:80

这样做：

- name: "Ver IPs de un pool"
  debug:
    msg:
      - "{{item.name}}"
      - "{{item.members[0].name}}"

我知道这是错误的，所以这就是我来这里寻求建议的原因。

编辑：添加了池的完整结构：

    ltm_pools:
    - active_member_count: 0
      all_avg_queue_entry_age: 0
      all_max_queue_entry_age_ever: 0
      all_max_queue_entry_age_recently: 0
      all_num_connections_queued_now: 0
      all_num_connections_serviced: 0
      all_queue_head_entry_age: 0
      allow_nat: 'yes'
      allow_snat: 'yes'
      availability_status: unknown
      available_member_count: 3
      client_ip_tos: pass-through
      client_link_qos: pass-through
      current_sessions: 0
      enabled_status: enabled
      full_path: /Common/pool_createdby_ansible_f5
      ignore_persisted_weight: 'no'
      lb_method: ratio-member
      member_count: 3
      members:
      - address: 10.10.10.34
        connection_limit: 0
        description: prova_ansible_pool
        dynamic_ratio: 1
        ephemeral: 'no'
        fqdn_autopopulate: 'yes'
        full_path: /Common/10.10.10.34:80
        inherit_profile: 'yes'
        logging: 'no'
        monitors: []
        name: 10.10.10.34:80
        partition: Common
        priority_group: 0
        rate_limit: 'no'
        ratio: 1
        real_session: user-enabled
        real_state: unchecked
        state: present
      - address: 10.100.250.5
        connection_limit: 0
        dynamic_ratio: 1
        ephemeral: 'no'
        fqdn_autopopulate: 'no'
        full_path: /Common/10.100.250.5:80
        inherit_profile: 'yes'
        logging: 'no'
        monitors: []
        name: 10.100.250.5:80
        partition: Common
        priority_group: 0
        rate_limit: 'no'
        ratio: 1
        real_session: user-enabled
        real_state: unchecked
        state: present
      - address: 10.55.55.4
        connection_limit: 0
        dynamic_ratio: 1
        ephemeral: 'no'
        fqdn_autopopulate: 'no'
        full_path: /Common/10.55.55.4:80
        inherit_profile: 'yes'
        logging: 'no'
        monitors: []
        name: 10.55.55.4:80
        partition: Common
        priority_group: 0
        rate_limit: 'no'
        ratio: 1
        real_session: user-enabled
        real_state: unchecked
        state: present
      minimum_active_members: 0
      minimum_up_members: 0
      minimum_up_members_action: failover
      minimum_up_members_checking: 'no'
      name: pool_createdby_ansible_f5
      pool_avg_queue_entry_age: 0
      pool_max_queue_entry_age_ever: 0
      pool_max_queue_entry_age_recently: 0
      pool_num_connections_queued_now: 0
      pool_num_connections_serviced: 0
      pool_queue_head_entry_age: 0
      priority_group_activation: 0
      queue_depth_limit: 0
      queue_on_connection_limit: 'no'
      queue_time_limit: 0
      reselect_tries: 0
      server_ip_tos: pass-through
      server_link_qos: pass-through
      server_side_bits_in: 0
      server_side_bits_out: 0
      server_side_current_connections: 0
      server_side_max_connections: 0
      server_side_pkts_in: 0
      server_side_pkts_out: 0
      server_side_total_connections: 0
      service_down_action: none
      slow_ramp_time: 10
      status_reason: The children pool member(s) either don't have service checking enabled, or service check results are not available yet
      total_requests: 0

标签： networkingautomationansible

Answer 1

我已经建立了一个成功的剧本。我选择列出比成员名称更多的选项。您可以修改它以仅吐出他们的名字。作为注释，我的 playbokk 具有用于调查的变量 poolName 。这是我的剧本：

- hosts: localhost
  tasks:
  - name: collect device info
    bigip_device_info:
      gather_subset:
        - ltm-pools
    delegate_to: localhost
    register: f5pools

  - name: Display Config for a specific pool using a variable
    debug:
     var: item
    loop: "{{ f5pools | json_query(pool_name) }}"
    vars:
     pool_name: "ltm_pools[?name=='{{ poolName }}'].{name: name, Method: lb_method, Members: members[*].{name: name, state:real_state }, Monitors: monitors}"

您可以使用以下方法修改它的名称：

- hosts: localhost
  tasks:
  - name: collect device info
    bigip_device_info:
      gather_subset:
        - ltm-pools
    delegate_to: localhost
    register: f5pools

  - name: Display Config for a specific pool using a variable
    debug:
     var: item
    loop: "{{ f5pools | json_query(pool_name) }}"
    vars:
     pool_name: "ltm_pools[?name=='{{ poolName }}'].members[*].name"

哪个有效，请参阅输出：

{
    "ansible_loop_var": "item",
    "_ansible_no_log": false,
    "item": [
        "1.1.1.2:443",
        "1.1.1.3:443"
    ],
    "changed": false,
    "_ansible_verbose_always": true,
    "_ansible_item_label": [
        "1.1.1.2:443",
        "1.1.1.3:443"
    ]
}