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From a3204225884ba63aee94db345d5c38f1c872d6b7 Mon Sep 17 00:00:00 2001
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From: Xunlei Pang <xlpang@redhat.com>
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Date: Tue, 26 Apr 2016 18:05:11 +0800
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Subject: [PATCH] network/net-lib.sh: delete duplicated DNS items from
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"/etc/resolv.conf"
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Users can pass the DNS information throught "nameserver=" cmdline,
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there maybe duplicated inputs.
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"/etc/resolv.conf" have some restrictions on the number of DNS items
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effective, so make sure that this file contains no duplicated items.
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We achieve this by simply making the file have no duplicated lines.
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Signed-off-by: Xunlei Pang <xlpang@redhat.com>
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(cherry picked from commit 4fa5c235a76c085f5958002826436ed9c40e5034)
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---
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modules.d/40network/module-setup.sh | 2 +-
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modules.d/40network/net-lib.sh | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/modules.d/40network/module-setup.sh b/modules.d/40network/module-setup.sh
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index 75ce6224..de353674 100755
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--- a/modules.d/40network/module-setup.sh
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+++ b/modules.d/40network/module-setup.sh
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@@ -69,7 +69,7 @@ installkernel() {
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install() {
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local _arch _i _dir
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- inst_multiple ip arping dhclient sed
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+ inst_multiple ip arping dhclient sed awk
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inst_multiple -o ping ping6
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inst_multiple -o brctl
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inst_multiple -o teamd teamdctl teamnl
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diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
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index 92154cc6..e6942a55 100755
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--- a/modules.d/40network/net-lib.sh
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+++ b/modules.d/40network/net-lib.sh
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@@ -121,7 +121,7 @@ setup_net() {
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[ -e /tmp/dhclient.$netif.dhcpopts ] && . /tmp/dhclient.$netif.dhcpopts
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# set up resolv.conf
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[ -e /tmp/net.$netif.resolv.conf ] && \
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- cp -f /tmp/net.$netif.resolv.conf /etc/resolv.conf
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+ awk '!array[$0]++' /tmp/net.$netif.resolv.conf > /etc/resolv.conf
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[ -e /tmp/net.$netif.gw ] && . /tmp/net.$netif.gw
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# add static route
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