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This was found during smoketesting as thoase started to repeadingly fail in the last weeks
File "/usr/libexec/vyos/tests/smoke/cli/test_interfaces_wireless.py", line 534, in test_wireless_security_station_address
self.assertTrue(process_named_running('hostapd'))
AssertionError: None is not true
Digging into this revealed that this is NOT related to the smoketest coding but
to hostapd/systemd instead. With a configured WIFI interface and calling:
"sudo systemctl reload-or-restart hostapd@wlan1" multiple times in a short
period caused systemd to report:
"Jul 18 16:15:32 systemd[1]: hostapd@wlan1.service: Deactivated successfully."
According to the internal systemd logic used in our version this is explained by:
/* If there's a stop job queued before we enter the DEAD state, we shouldn't act on Restart=, in order to not
* undo what has already been enqueued. */
if (unit_stop_pending(UNIT(s)))
allow_restart = false;
if (s->result == SERVICE_SUCCESS)
s->result = f;
if (s->result == SERVICE_SUCCESS) {
unit_log_success(UNIT(s));
end_state = SERVICE_DEAD;`
Where unit_log_success() generates the log message in question.
Improve the restart login in the wireless interface script and an upgrade to
hostapd solved the issue.
(cherry picked from commit a67f49d99eda00998c425f9a663e138dbd0f7755)
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Authored-By: Alain Lamar <alain_lamar@yahoo.de>
(cherry picked from commit d5e988ba2d0fa0189feff22374c9b46eb49e2e79)
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Check if the wireless device/modem exists in the system and the
module `ieee802111` was loaded
In cases where we do not have wireless devices, it prevents the
unexpected traceback
```
set interfaces wireless wlan0 address 192.0.2.5/32
commit
Traceback (most recent call last):
File "/usr/libexec/vyos/conf_mode/interfaces_wireless.py", line 269, in <modu>
c = get_config()
^^^^^^^^^^^^
File "/usr/libexec/vyos/conf_mode/interfaces_wireless.py", line 104, in get_cg
tmp = find_other_stations(conf, base, wifi['ifname'])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/libexec/vyos/conf_mode/interfaces_wireless.py", line 54, in find_os
for phy in os.listdir('/sys/class/ieee80211'):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '/sys/class/ieee80211'
```
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We will use _ as CLI level divider. The XML definition filename and also
the Python helper should match the CLI node.
Example:
set interfaces ethernet -> interfaces_ethernet.xml.in
set interfaces bond -> interfaces_bond.xml.in
set service dhcp-server -> service_dhcp-server-xml.in
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