From 29bd49e4586d73442e5deab53bc02e27eedb0c86 Mon Sep 17 00:00:00 2001 From: Vadim Rutkovsky Date: Mon, 12 Feb 2018 11:49:55 +0100 Subject: origin-dns: make sure cluster.local DNS server is listed first This would ensure glibc resolver won't discard this server when existing DNS server list is longer than 2. This sed would also update existing configuration, where cluster.local was appended --- roles/openshift_node/files/networkmanager/99-origin-dns.sh | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'roles') diff --git a/roles/openshift_node/files/networkmanager/99-origin-dns.sh b/roles/openshift_node/files/networkmanager/99-origin-dns.sh index f4e48b5b7..acf3e2f38 100755 --- a/roles/openshift_node/files/networkmanager/99-origin-dns.sh +++ b/roles/openshift_node/files/networkmanager/99-origin-dns.sh @@ -116,8 +116,9 @@ EOF echo "nameserver "${def_route_ip}"" >> ${NEW_RESOLV_CONF} if ! grep -qw search ${NEW_RESOLV_CONF}; then echo 'search cluster.local' >> ${NEW_RESOLV_CONF} - elif ! grep -q 'search.*cluster.local' ${NEW_RESOLV_CONF}; then - sed -i '/^search/ s/$/ cluster.local/' ${NEW_RESOLV_CONF} + elif ! grep -q 'search cluster.local' ${NEW_RESOLV_CONF}; then + # cluster.local should be in first three DNS names so that glibc resolver would work + sed -i -e 's/^search \(.\+\)\( cluster\.local\)\{0,1\}$/search cluster.local \1/' ${NEW_RESOLV_CONF} fi cp -Z ${NEW_RESOLV_CONF} /etc/resolv.conf fi -- cgit v1.2.3