Jose
8af1f7fd12
This refactoring involves restructuring the code to improve the detection mechanism for identifying the physical network interface card (NIC) that lies behind a bridge. The changes enhance the accuracy and efficiency of the task, making it more reliable in various network configurations.
126 lines
3.8 KiB
YAML
126 lines
3.8 KiB
YAML
---
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- name: Install required packages
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ansible.builtin.apt:
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name: ethtool
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state: present
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update_cache: yes
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- name: Gather network facts
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ansible.builtin.setup:
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gather_subset:
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- network
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- name: Detect default route interface
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ansible.builtin.set_fact:
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wol_detected_interface: "{{ ansible_default_ipv4.interface }}"
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when: wol_interface | default('') | length == 0
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# - name: Detect physical NIC enslaved to bridge
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# ansible.builtin.set_fact:
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# wol_detected_phy: "{{ item }}"
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# loop: "{{ ansible_interfaces }}"
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# when:
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# - wol_interface | default('') | length == 0
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# - item != 'lo'
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# - hostvars[inventory_hostname]['ansible_' + item] is defined
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# - hostvars[inventory_hostname]['ansible_' + item].master is defined
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# - hostvars[inventory_hostname]['ansible_' + item].master == wol_detected_bridge
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- name: Detect physical NIC behind bridge
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ansible.builtin.set_fact:
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wol_detected_phy: "{{ ansible_facts[wol_detected_bridge].interfaces[0] }}"
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when:
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- wol_interface | default('') | length == 0
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- ansible_facts[wol_detected_bridge] is defined
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- ansible_facts[wol_detected_bridge].interfaces is defined
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- ansible_facts[wol_detected_bridge].interfaces | length > 0
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- name: Debug WoL interface selection
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ansible.builtin.debug:
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msg:
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- "Detected interface: {{ wol_detected_interface }}"
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- "Detected physical NIC: {{ wol_detected_phy }}"
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- name: Select final WoL interface
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ansible.builtin.set_fact:
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wol_final_interface: >-
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{{
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wol_interface
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if wol_interface | default('') | length > 0
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else wol_detected_phy
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}}
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- name: Fail if no physical NIC was detected
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ansible.builtin.fail:
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msg: >
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Unable to detect a physical NIC for Wake-on-LAN.
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Detected bridge: {{ wol_detected_bridge | default('none') }}.
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Please set wol_interface explicitly.
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when: wol_final_interface | default('') | length == 0
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- name: Check WOL support on interface
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ansible.builtin.command: ethtool {{ wol_final_interface }}
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register: wol_capabilities
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changed_when: false
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- name: Fail if NIC does not support Wake-on-LAN
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ansible.builtin.fail:
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msg: "Interface {{ wol_final_interface }} does not support Wake-on-LAN."
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when: "'Supports Wake-on-Wake-on-LAN' in wol_capabilities.stdout or
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'Wake-on:' not in wol_capabilities.stdout"
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- name: Create systemd service for Wake-on-LAN
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ansible.builtin.template:
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src: wol.service.j2
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dest: /etc/systemd/system/wol.service
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owner: root
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group: root
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mode: '0644'
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notify:
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- Reload systemd
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- Enable and start WOL service
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- name: Enable WOL immediately (without reboot)
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ansible.builtin.command: ethtool -s {{ wol_final_interface }} wol {{ wol_mode }}
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changed_when: false
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- name: Verify Wake-on-LAN status
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ansible.builtin.command: ethtool {{ wol_final_interface }}
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register: wol_status
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changed_when: false
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when: wol_verify
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- name: Get MAC address of WOL interface
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set_fact:
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wol_mac_address: >-
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{{
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ansible_facts['ansible_' + wol_final_interface]['macaddress']
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| default('')
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}}
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- name: Show WOL status
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ansible.builtin.debug:
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msg: "{{ wol_status.stdout_lines }}"
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when: wol_verify
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- name: Fail if MAC address could not be detected
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fail:
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msg: "Unable to determine MAC address for interface {{ wol_final_interface }}"
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when:
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- wol_report_mac
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- wol_mac_address | length == 0
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- name: Report Wake-on-LAN sender details
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ansible.builtin.debug:
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msg:
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- "Wake-on-LAN enabled on interface: {{ wol_final_interface }}"
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- "MAC address: {{ wol_mac_address }}"
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- "Example WOL commands:"
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- " wakeonlan {{ wol_mac_address }}"
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- " etherwake {{ wol_mac_address }}"
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- "Home Assistant:"
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- " mac: {{ wol_mac_address }}"
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when: wol_report_mac
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