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Added Ubuntu and Raspbian to ifAlias script (#14399)

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* Added Ubuntu and Raspbian to ifAlias script

* Improved to pass shellcheck and added support for "/etc/network/interfaces.d/*"

* Last shellcheck type and updated docs

* Last changes in docs

* Tabs vs Spaces
This commit is contained in:
Tim de Boer 2022-10-07 22:10:37 +02:00 committed by GitHub
parent 840c3210e6
commit f817ae8586
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2 changed files with 19 additions and 15 deletions
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12
doc/Extensions/Interface-Description-Parsing.md
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@ -76,10 +76,14 @@ to support the parsing of interface information.
to the Server and make it executable `chmod +x /path/to/ifAlias`
- Add to `snmpd.conf` something like:
``pass .1.3.6.1.2.1.31.1.1.1.18 /path/to/ifAlias``
Restart `snmpd` - `service snmpd restart`
- Add aliasses with
- `iproute2` package like:
``ip link set eth0.427 alias 'Cust: CustomerA'``
- in `/etc/network/interfaces` or `/etc/network/interfaces.d/*` with a comment like:
``# eth0.427: Cust CustomerA``
- Restart `snmpd` - `systemctl restart snmpd`
There are no changes to be made or additions to install for the polling librenms.
Now you can set up your [keywords](#keywords) in your `/etc/network/interfaces`
``//Add more distributions than just Debian based``
Now you can set up your [keywords](#keywords) in your aliases.

22
scripts/ifAlias
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@ -1,5 +1,5 @@
#!/bin/sh
# (c) 2013-2017, f0o@devilcode.org, olb@nebkha.net
#!/bin/bash
# (c) 2013-2022, f0o@devilcode.org, olb@nebkha.net, tim@tim427.net
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
@ -41,7 +41,7 @@ interface_id()
{
local N=
local L=
local ID="${GET_OID#${BASE}.}"
local ID="${GET_OID#"${BASE}".}"
case "$GET_TYPE" in
-g)
@ -58,7 +58,7 @@ interface_id()
# find the next iface_id
for N in $(echo "$IP_LINK" | grep -oE "^[0-9]+:" | cut -d':' -f 1)
do
if [ "$L" = "$ID" -o ! "$ID" ]
if [ "$L" = "$ID" ] || [ ! "$ID" ]
then
echo -n "$N"
return 0
@ -85,23 +85,23 @@ alias_from_interfaces_config_file()
if [ -x "$DISTRO_BIN" ]
then
case "$("$DISTRO_BIN" | cut -d " " -f 1)" in
Debian)
CONFIG_FILE="/etc/network/interfaces"
Debian|Ubuntu|Raspbian)
CONFIG_FILE=("/etc/network/interfaces" "/etc/network/interfaces.d/"*)
;;
Gentoo)
CONFIG_FILE="/etc/conf.d/net"
CONFIG_FILE=("/etc/conf.d/net")
;;
CentOS|RedHat|SuSE|Mandriva|Mandrake)
CONFIG_FILE="/etc/sysconfig/network-scripts/ifcfg-$IFACE"
CONFIG_FILE=("/etc/sysconfig/network-scripts/ifcfg-$IFACE")
;;
Archlinux)
CONFIG_FILE="/etc/conf.d/net-conf-$IFACE"
CONFIG_FILE=("/etc/conf.d/net-conf-$IFACE")
;;
esac
fi
if [ "$CONFIG_FILE" ]
if ((${#CONFIG_FILE[@]}))
then
echo "$(grep -i "^# $IFACE:" $CONFIG_FILE | sed "s/^# $IFACE: //i")"
grep -hsi "^# $IFACE:" "${CONFIG_FILE[@]}" | sed "s/^# $IFACE: //i"
fi
}