ansible: 将 TCP 拥塞控制算法切换到 BBR 提取成一个 role
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---
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- name: 获取可用的 TCP 拥塞控制算法列表
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command: sysctl net.ipv4.tcp_available_congestion_control
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register: available_cc
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changed_when: false
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- name: 确认 bbr 在可用列表中
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fail:
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msg: "BBR 不在可用的 TCP 拥塞控制算法列表中"
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when: "'bbr' not in available_cc.stdout"
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- name: 验证当前拥塞控制算法
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command: sysctl net.ipv4.tcp_congestion_control
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register: current_cc
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changed_when: false
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- name: 打印当前 TCP 拥塞控制算法
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debug:
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msg: "当前 TPC 拥塞控制算法: {{ current_cc.stdout }}"
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