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During testing it was discovered that there is a well known problem (we had for
ethernet interfaces) also in the serial port world. They will be enumerated and
mapped to /dev/ttyUSBxxx differently from boot to boot. This is especially
painful on my development APU4 board which also has a Sierra Wireless MC7710
LTE module installed.
The serial port will toggle between ttyUSB2 and ttyUSB5 depending on the
amount of serial port extenders attached (FT4232H).
The shipped udev rule (/usr/lib/udev/rules.d/60-serial.rules) partly solves
this by enumerating the devices into /dev/serial/by-id folder with their name
and serial number - it's a very good idea but I've found that not all of the
FT4232H dongles have a serial number programmed - this leads to the situation
that when you plug in two cables with both having serial number 0 - only one
device symlink will appear - the previous one is always overwritten by the
latter one.
Derive /usr/lib/udev/rules.d/60-serial.rules and create a /dev/serial/by-bus
directory and group devices by attached USB root port.
vyos@vyos:~$ find /dev/serial/by-bus/ -name usb* -exec basename {} \; | sort
usb0b1.3p1.0
usb0b1.3p1.2
usb0b1.3p1.3
usb0b2.4p1.0
usb0b2.4p1.1
usb0b2.4p1.2
usb0b2.4p1.3
So we have USB root 0 with bus 1.3 and port 1.0. The enumeration is constant
accross reboots.
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airbag must now be explicitly installed.
the patch also allow to fully disables the installation of the logging
code at setup (and not just installing and doing nothing)
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- make error output more user friendly
- replace .format with f-strings
- split into lines less than ~80 characters long
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Previously, the interface was always deleted and recreated, which
removed it from the bridge.
- always re-add the interface back to any bridge it is part of
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Bridge members should not have any addresses assigned.
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- rewrite the function to support both bridge and bonding interface types,
if the type is passed it searches only that type, otherwise it searches
both
- move is_member check out of the deleted condition
- move is_member check to intf_from_dict for interfaces that use it
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convert all call to jinja to use template.render
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os.system does print the ouput of the command, run() does not.
A new function called call() does the printing and return the error code.
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... to make it clear also directories can be chown(-ed)
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Commit fcce471 ("bridge: T2232: prevent deletion of enslaved interfaces")
added a regression by referencing a wrong variable name.
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Interfaces enslaved to a bridge are not allowed to be deleted. If an interface
is deleted from the config but it is still enslaved to a bridge will cause a
configuration error on the subsequent boot.
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As little change a possible but the function call
The behaviour should be totally unchanged.
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Now both files and directories are supported.
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This makes the actual code which generates the configs much more human
readable.
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A ip-pre-up script is better the ip-up as this is done before any addresses
have been added and any traffic flows.
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As the pre-up script is only run once when the interface is brought up but
not when the interface maybe only comes up 20 seconds later due to the remote
site some actions can not be performed as placing the interface e.g. into a VRF
instance.
TODO: also move the backup default route parts to this new script.
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Commit d2cf287 ("vyos.util: add chown_file and chmod_x_file helpers") added
common helper functions to chown or chmod +x a file. Make use of those helpers.
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