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networkmanager: make hooks easier to use

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First change is to override the nm-dispatcher systemd service so that
it puts coreutils (wc/env/...) and iproute in PATH.
Second change is to make sure userscripts have the execute bit.
This commit is contained in:
Matthieu Coudron 2018-04-26 18:53:19 +09:00
parent 66793d9284
commit f0980c40c1
1 changed files with 27 additions and 2 deletions
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29
nixos/modules/services/networking/networkmanager.nix
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@ -289,7 +289,7 @@ in {
source = mkOption {
type = types.path;
description = ''
A script.
Path to the hook script.
'';
};
@ -297,12 +297,28 @@ in {
type = types.enum (attrNames dispatcherTypesSubdirMap);
default = "basic";
description = ''
Dispatcher hook type. Only basic hooks are currently available.
Dispatcher hook type. Look up the hooks described at
<link xlink:href="https://developer.gnome.org/NetworkManager/stable/NetworkManager.html">https://developer.gnome.org/NetworkManager/stable/NetworkManager.html</link>
and choose the type depending on the output folder.
You should then filter the event type (e.g., "up"/"down") from within your script.
'';
};
};
});
default = [];
example = literalExample ''
[ {
source = pkgs.writeText "upHook" '''
if [ "$2" != "up" ]; then
logger "exit: event $2 != up"
fi
# coreutils and iproute are in PATH too
logger "Device $DEVICE_IFACE coming up"
''';
type = "basic";
} ]'';
description = ''
A list of scripts which will be executed in response to network events.
'';
@ -418,6 +434,7 @@ in {
++ lib.imap1 (i: s: {
inherit (s) source;
target = "NetworkManager/dispatcher.d/${dispatcherTypesSubdirMap.${s.type}}03userscript${lib.fixedWidthNumber 4 i}";
mode = "0544";
}) cfg.dispatcherScripts
++ optional (dynamicHostsEnabled)
{ target = "NetworkManager/dnsmasq.d/dyndns.conf";
@ -475,6 +492,14 @@ in {
};
};
systemd.services."NetworkManager-dispatcher" = {
wantedBy = [ "network.target" ];
restartTriggers = [ configFile ];
# useful binaries for user-specified hooks
path = [ pkgs.iproute pkgs.utillinux pkgs.coreutils ];
};
# Turn off NixOS' network management
networking = {
useDHCP = false;