# Similar code block in roles/vnstat/tasks/install.yml - name: Do we have a gateway? If 'ip route' specifies a default route, Ansible parses details here... debug: var: ansible_default_ipv4 - name: "If above ansible_default_ipv4.gateway is defined, set WAN candidate 'discovered_wan_iface: {{ ansible_default_ipv4.alias }}' -- using ansible_default_ipv4.alias" set_fact: discovered_wan_iface: "{{ ansible_default_ipv4.alias }}" when: ansible_default_ipv4.gateway is defined # so this works - name: Interface count shell: ls /sys/class/net | grep -v {{ virtual_network_devices }} | wc | awk '{print $1}' register: adapter_count # well if there ever was a point to tell the user things are FUBAR this is it. - name: We're hosed no work interfaces fail: # FORCE IT RED THIS ONCE! msg: "No_network_found" when: adapter_count.stdout|int == 0 - name: Checking for old device gateway interface for device test shell: grep IIAB_WAN_DEVICE {{ iiab_env_file }} | awk -F "=" '{print $2}' when: iiab_stage|int == 9 register: prior_gw - name: Setting device_gw, prior_gw_device set_fact: device_gw: "{{ prior_gw.stdout }}" prior_gw_device: "{{ prior_gw.stdout }}" when: prior_gw.stdout is defined and prior_gw.stdout != "" - name: Setting WAN, device_gw if detected set_fact: iiab_wan_iface: "{{ discovered_wan_iface }}" device_gw: "{{ discovered_wan_iface }}" when: ansible_default_ipv4.gateway is defined - name: Figure out netplan file name shell: ls /etc/netplan register: netplan ignore_errors: True # pre 17.10 doesn't use netplan when: is_ubuntu - name: Setting dhcpcd_test results set_fact: dhcpcd_result: "{{ ansible_local.local_facts.dhcpcd }}" - name: Setting systemd_networkd results set_fact: systemd_networkd_active: True when: 'ansible_local.local_facts.systemd_networkd == "enabled"' - name: Setting systemd_networkd-2 results set_fact: systemd_networkd_active: True when: 'ansible_local.local_facts.systemd_networkd == "enabled-runtime"' - name: Setting network_manager results set_fact: network_manager_active: True when: 'ansible_local.local_facts.network_manager == "enabled"' - name: Check /etc/network/interfaces for gateway shell: grep {{ device_gw }} /etc/network/interfaces | wc -l when: is_debuntu register: wan_file - name: Setting wan_in_interfaces set_fact: wan_in_interfaces: True when: is_debuntu and (wan_file.stdout|int > 0) # WIRELESS -- if any wireless is detected as gateway, it becomes WAN - name: Look for any wireless interfaces shell: "cat /proc/net/wireless | grep -v -e Inter -e face | awk -F: '{print $1}' " register: wireless_list1 ignore_errors: True changed_when: False - name: Set the discovered wireless, if found set_fact: wifi1: "{{ item|trim }}" discovered_wireless_iface: "{{ item|trim }}" when: item|trim != "" and item|trim != discovered_wan_iface with_items: - "{{ wireless_list1.stdout_lines }}" # WIRELESS -- Sigh... Not all drivers update /proc/net/wireless correctly - name: Look for any wireless interfaces (take 2) shell: "ls -la /sys/class/net/*/phy80211 | awk -F / '{print $5}'" register: wireless_list2 ignore_errors: True changed_when: False # Last device is used - name: Set the discovered wireless, if found (take 2) set_fact: wifi2: "{{ item|trim }}" discovered_wireless_iface: "{{ item|trim }}" when: wireless_list2.stdout is defined and item|trim != "ap0" with_items: - "{{ wireless_list2.stdout_lines }}" #item|trim != discovered_wan_iface - name: Count WiFi ifaces shell: "ls -la /sys/class/net/*/phy80211 | awk -F / '{print $5}' | grep -v -e ap0 | wc -l" register: count_wifi_interfaces - name: Remember number of WiFi devices set_fact: num_wifi_interfaces: "{{ count_wifi_interfaces.stdout|int }}" - name: Run 'iw list' to check for Access Point capability #command: iw list | grep -v AP: | grep AP | wc -l # False positives 'EAP' etc shell: iw list | grep '^[[:space:]]*\* AP$' register: look_for_ap when: discovered_wireless_iface != "none" - name: Set can_be_ap if 'iw list' output contains suitable '* AP' set_fact: can_be_ap: True when: look_for_ap.failed is defined and not look_for_ap.failed - name: Detect wifi gateway active shell: ip r | grep default | grep {{ discovered_wireless_iface }} | wc -l register: wifi_gateway_found when: discovered_wireless_iface != "none" - name: Set has_wifi_gateway if WiFi has default gateway detected for {{ discovered_wireless_iface }} set_fact: has_wifi_gateway: True when: discovered_wireless_iface != "none" and (wifi_gateway_found.stdout|int > 0) - name: Detect secondary gateway active on all interfaces shell: ip r | grep default | grep -v {{ discovered_wan_iface }} | awk '{print $5}' register: second_gateway_found changed_when: False - name: Set exclude_devices if default gateway has been detected for {{ second_gateway_found.stdout }} set_fact: exclude_devices: "{{ second_gateway_found.stdout }}" when: second_gateway_found.stdout != "" # XO hack here ap_device would not be active therefore not set with # wired as gw use ap_device to exclude eth0 from network calulations #- name: XO laptop override 2 WiFi on LAN # set_fact: # exclude_devices: "-e eth0" # when: iiab_wan_iface != "eth0" and discovered_wireless_iface != "none" and xo_model == "XO-1.5" - name: Exclude reserved Network Adapter if defined - takes adapter name set_fact: exclude_devices: "{{ exclude_devices }} -e {{ reserved_device }}" when: reserved_device is defined - name: Count LAN ifaces shell: ls /sys/class/net | grep -v {{ virtual_network_devices }} -e wwlan -e ppp -e {{ device_gw }} -e {{ exclude_devices }} | wc -l register: num_lan_interfaces_result - name: Calculate number of LAN interfaces including WiFi set_fact: num_lan_interfaces: "{{ num_lan_interfaces_result.stdout|int }}" # LAN - pick non WAN's - name: Create list of LAN (non WAN) ifaces shell: ls /sys/class/net | grep -v {{ virtual_network_devices }} -e wwlan -e ppp -e {{ device_gw }} -e {{ exclude_devices }} when: num_lan_interfaces != "0" register: lan_list_result # If 2 interfaces found in gateway mode, with one wifi, declare other to be wan #- name: In gateway mode with one wifi adapter, the other is WAN # set_fact: # iiab_wan_iface: "{{ discovered_lan_iface }}" # iiab_lan_iface: "{{ discovered_wireless_iface }}" # num_lan_interfaces: "1" # when: iiab_lan_enabled and iiab_wan_enabled and num_lan_interfaces == "2" and discovered_wireless_iface != "none" and iiab_wan_iface == "none" # Select an adapter that is not WAN and not wireless # if there is more than one the last one wins - name: Set discovered_wired_iface if present set_fact: discovered_wired_iface: "{{ item|trim }}" when: lan_list_result.stdout_lines is defined and item|trim != discovered_wireless_iface with_items: - "{{ lan_list_result.stdout_lines }}" - name: Set iiab_wireless_lan_iface to {{ discovered_wireless_iface }} if not none set_fact: iiab_wireless_lan_iface: "{{ discovered_wireless_iface }}" when: discovered_wireless_iface != "none" and not wifi_up_down - name: Set iiab_wireless_lan_iface to ap0 if WiFi device is present set_fact: iiab_wireless_lan_iface: ap0 when: discovered_wireless_iface != "none" and wifi_up_down - name: Set iiab_wired_lan_iface if present set_fact: iiab_wired_lan_iface: "{{ discovered_wired_iface }}" when: discovered_wired_iface is defined and discovered_wired_iface != "none" and discovered_wired_iface != iiab_wan_iface and not is_raspbian # use value only if present - name: 2 or more devices on the LAN - use bridging set_fact: iiab_lan_iface: br0 when: num_lan_interfaces|int >= 2 - name: For Debian, always use bridging set_fact: iiab_lan_iface: br0 when: num_lan_interfaces|int >= 1 and is_debuntu - name: WiFi is on the LAN - use bridging set_fact: iiab_lan_iface: br0 when: iiab_wireless_lan_iface is defined and not nobridge is defined - name: Setting wired LAN as only interface - RPi set_fact: iiab_lan_iface: "{{ iiab_wired_lan_iface }}" when: iiab_wired_lan_iface is defined and nobridge is defined - name: Setting wireless LAN as only interface - RPi set_fact: iiab_lan_iface: "{{ iiab_wireless_lan_iface }}" when: iiab_wireless_lan_iface is defined and nobridge is defined - name: In VM disable LAN - needs local_vars entry to activate set_fact: iiab_lan_iface: none no_net_restart: True when: is_VM is defined # OK try old gw this is a best guess based on what's in # /etc/sysconfig/iiab_wan_device's last state intended to # provide a seed value to display in the GUI when no # gateway is present but we had one. - name: Has old gateway and no discovered gateway setting WAN set_fact: gui_wan_iface: "{{ device_gw }}" when: user_wan_iface == "auto" and device_gw != "none" and discovered_wan_iface == "none" - name: Add 'detected_network' variable values to {{ iiab_ini_file }} ini_file: dest: "{{ iiab_ini_file }}" section: detected_network option: "{{ item.option }}" value: "{{ item.value | string }}" with_items: - option: has_ifcfg_gw value: "{{ has_ifcfg_gw }}" - option: prior_gateway_device value: "{{ prior_gw_device }}" - option: dhcpcd_result value: "{{ dhcpcd_result }}" - option: network_manager_active value: "{{ network_manager_active }}" - option: systemd_networkd_active value: "{{ systemd_networkd_active }}" - option: wan_in_interfaces value: "{{ wan_in_interfaces }}" - option: wireless_list_1(wifi1) value: "{{ wifi1 }}" - option: wireless_list_2(wifi2) value: "{{ wifi2 }}" - option: num_wifi_interfaces value: "{{ num_wifi_interfaces }}" - option: discovered_wireless_iface value: "{{ discovered_wireless_iface }}" - option: discovered_wired_iface value: "{{ discovered_wired_iface }}" - option: 'exclude_devices' value: "{{ exclude_devices }}" - option: num_lan_interfaces value: "{{ num_lan_interfaces }}" - option: gui_static_wan value: "{{ gui_static_wan }}" - option: iiab_lan_iface value: "{{ iiab_lan_iface }}" - option: iiab_wan_iface value: "{{ iiab_wan_iface }}" - option: can_be_ap value: "{{ can_be_ap }}" # well if there ever was a point to tell the user things are FUBAR this is it. # limit 2 network adapters wifi wired - name: I'm not guessing declare gateway please fail: # FORCE IT RED THIS ONCE! msg: "Undetectable gateway or prior gateway for use with static network addressing from admin-console use local_vars to declare user_wan_iface" when: adapter_count.stdout|int >=3 and gui_wan_iface == "unset" and gui_static_wan