Julien Fortin 5abd95c024 addons may provide a list of ifupdown scripts to ignore ...

Ticket:
Reviewed By: Roopa, Nikhil G
Testing Done:

ifupdown2's python addons are replacing some/most of the old ifupdown shell
scripts. When addon_scripts_support is set to 1, ifupdown2 will execute every
scripts present in /etc/network/if-$ACTION.d/ if a script exists with a name
identical to an ifupdown2 addon, this script won't be executed.

Sometimes an ifupdown2 addons doesn't have the same name as the ifupdown script
it's supposed to replace. Or maybe one addon is replacing several scripts.
For example: bond.py is replacing /etc/network/if-*.d/ifenslave

Now each addon is able to provide a list of script to ignore.

[16:54:40] root:ifupdown2 # ifquery bond0
iface bond0
      bond-slaves tap0 tap1

[16:54:49] root:ifupdown2 # ifreload -a -d &> /tmp/ifreload.log
[16:54:54] root:ifupdown2 # cat /tmp/ifreload.log | grep ifenslave
debug: tap1: pre-up : running script /etc/network/if-pre-up.d/ifenslave
info: executing /etc/network/if-pre-up.d/ifenslave
debug: tap1: up : running script /etc/network/if-up.d/ifenslave
info: executing /etc/network/if-up.d/ifenslave
debug: lo: pre-up : running script /etc/network/if-pre-up.d/ifenslave
info: executing /etc/network/if-pre-up.d/ifenslave
debug: lo: up : running script /etc/network/if-up.d/ifenslave
info: executing /etc/network/if-up.d/ifenslave
debug: eth0: pre-up : running script /etc/network/if-pre-up.d/ifenslave
info: executing /etc/network/if-pre-up.d/ifenslave
debug: eth0: up : running script /etc/network/if-up.d/ifenslave
info: executing /etc/network/if-up.d/ifenslave
debug: tap0: pre-up : running script /etc/network/if-pre-up.d/ifenslave
info: executing /etc/network/if-pre-up.d/ifenslave
debug: tap0: up : running script /etc/network/if-up.d/ifenslave
info: executing /etc/network/if-up.d/ifenslave
[16:54:55] root:ifupdown2 #
...
apply patch
...
[16:55:16] root:ifupdown2 # ifreload -a -d &> /tmp/ifreload.log
[16:55:18] root:ifupdown2 # cat /tmp/ifreload.log | grep ifenslave
[16:55:19] root:ifupdown2 #

Signed-off-by: Julien Fortin <julien@cumulusnetworks.com>

2016-09-27 11:10:26 +02:00

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