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Bug 1919272: [release-4.6] NM resolve prepender: support appending a nameserver for systemd-resolved #2356

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merged 1 commit into from
Feb 11, 2021
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Bug 1919272: [release-4.6] NM resolve prepender: support appending a nameserver for systemd-resolved #2356

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28 changes: 21 additions & 7 deletions templates/common/baremetal/files/NetworkManager-resolv-prepender.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -51,14 +51,28 @@ contents:
"{{.Infra.Status.PlatformStatus.BareMetal.IngressIP}}")
DOMAIN="{{.Infra.Status.EtcdDiscoveryDomain}}"
if [[ -n "$NAMESERVER_IP" ]]; then
>&2 echo "NM resolv-prepender: Prepending 'nameserver $NAMESERVER_IP' to /etc/resolv.conf (other nameservers from /var/run/NetworkManager/resolv.conf)"
sed -e "/^search/d" \
-e "/Generated by/c# Generated by KNI resolv prepender NM dispatcher script\nsearch $DOMAIN\nnameserver $NAMESERVER_IP" \
/var/run/NetworkManager/resolv.conf > /etc/resolv.tmp
if systemctl -q is-enabled systemd-resolved; then
>&2 echo "NM resolv-prepender: Setting up systemd-resolved for OKD domain and local IP"
if [[ ! -f /etc/systemd/resolved.conf.d/60-kni.conf ]]; then
>&2 echo "NM resolv-prepender: Creating /etc/systemd/resolved.conf.d/60-kni.conf"
echo "[Resolve]" > /etc/systemd/resolved.conf.d/60-kni.conf
echo "DNS=$NAMESERVER_IP" >> /etc/systemd/resolved.conf.d/60-kni.conf
echo "Domains=$DOMAIN" >> /etc/systemd/resolved.conf.d/60-kni.conf
if systemctl -q is-active systemd-resolved; then
>&2 echo "NM resolv-prepender: restarting systemd-resolved"
systemctl restart systemd-resolved
fi
fi
else
logger -s "NM resolv-prepender: Prepending 'nameserver $NAMESERVER_IP' to /etc/resolv.conf (other nameservers from /var/run/NetworkManager/resolv.conf)"
sed -e "/^search/d" \
-e "/Generated by/c# Generated by KNI resolv prepender NM dispatcher script\nsearch $DOMAIN\nnameserver $NAMESERVER_IP" \
/var/run/NetworkManager/resolv.conf > /etc/resolv.tmp
# Only leave the first 3 nameservers in /etc/resolv.conf
sed -i ':a $!{N; ba}; s/\(^\|\n\)nameserver/\n# nameserver/4g' /etc/resolv.tmp
mv -f /etc/resolv.tmp /etc/resolv.conf
fi
fi
# Only leave the first 3 nameservers in /etc/resolv.conf
sed -i ':a $!{N; ba}; s/\(^\|\n\)nameserver/\n# nameserver/4g' /etc/resolv.tmp
mv -f /etc/resolv.tmp /etc/resolv.conf
;;
*)
;;
Expand Down
28 changes: 21 additions & 7 deletions templates/common/openstack/files/NetworkManager-resolv-prepender.yaml
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -38,14 +38,28 @@ contents:
"{{.Infra.Status.PlatformStatus.OpenStack.IngressIP}}")
DOMAIN="{{.Infra.Status.EtcdDiscoveryDomain}}"
if [[ -n "$NAMESERVER_IP" ]]; then
logger -s "NM resolv-prepender: Prepending 'nameserver $NAMESERVER_IP' to /etc/resolv.conf (other nameservers from /var/run/NetworkManager/resolv.conf)"
sed -e "/^search/d" \
-e "/Generated by/c# Generated by OpenStack resolv prepender NM dispatcher script\nsearch $DOMAIN\nnameserver $NAMESERVER_IP" \
/var/run/NetworkManager/resolv.conf > /etc/resolv.tmp
if systemctl -q is-enabled systemd-resolved; then
>&2 echo "NM resolv-prepender: Setting up systemd-resolved for OKD domain and local IP"
if [[ ! -f /etc/systemd/resolved.conf.d/60-kni.conf ]]; then
>&2 echo "NM resolv-prepender: Creating /etc/systemd/resolved.conf.d/60-kni.conf"
echo "[Resolve]" > /etc/systemd/resolved.conf.d/60-kni.conf
echo "DNS=$NAMESERVER_IP" >> /etc/systemd/resolved.conf.d/60-kni.conf
echo "Domains=$DOMAIN" >> /etc/systemd/resolved.conf.d/60-kni.conf
if systemctl -q is-active systemd-resolved; then
>&2 echo "NM resolv-prepender: restarting systemd-resolved"
systemctl restart systemd-resolved
fi
fi
else
logger -s "NM resolv-prepender: Prepending 'nameserver $NAMESERVER_IP' to /etc/resolv.conf (other nameservers from /var/run/NetworkManager/resolv.conf)"
sed -e "/^search/d" \
-e "/Generated by/c# Generated by OpenStack resolv prepender NM dispatcher script\nsearch $DOMAIN\nnameserver $NAMESERVER_IP" \
/var/run/NetworkManager/resolv.conf > /etc/resolv.tmp
# Only leave the first 3 nameservers in /etc/resolv.conf
sed -i ':a $!{N; ba}; s/\(^\|\n\)nameserver/\n# nameserver/4g' /etc/resolv.tmp
mv -f /etc/resolv.tmp /etc/resolv.conf
fi
fi
# Only leave the first 3 nameservers in /etc/resolv.conf
sed -i ':a $!{N; ba}; s/\(^\|\n\)nameserver/\n# nameserver/4g' /etc/resolv.tmp
mv -f /etc/resolv.tmp /etc/resolv.conf
;;
*)
;;
Expand Down
28 changes: 21 additions & 7 deletions templates/common/ovirt/files/NetworkManager-resolv-prepender.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -39,14 +39,28 @@ contents:
"{{.Infra.Status.PlatformStatus.Ovirt.IngressIP}}")
DOMAIN="{{.Infra.Status.EtcdDiscoveryDomain}}"
if [[ -n "$NAMESERVER_IP" ]]; then
logger -s "NM resolv-prepender: Prepending 'nameserver $NAMESERVER_IP' to /etc/resolv.conf (other nameservers from /var/run/NetworkManager/resolv.conf)"
sed -e "/^search/d" \
-e "/Generated by/c# Generated by Ovirt resolv prepender NM dispatcher script\nsearch $DOMAIN\nnameserver $NAMESERVER_IP" \
/var/run/NetworkManager/resolv.conf > /etc/resolv.tmp
if systemctl -q is-enabled systemd-resolved; then
>&2 echo "NM resolv-prepender: Setting up systemd-resolved for OKD domain and local IP"
if [[ ! -f /etc/systemd/resolved.conf.d/60-kni.conf ]]; then
>&2 echo "NM resolv-prepender: Creating /etc/systemd/resolved.conf.d/60-kni.conf"
echo "[Resolve]" > /etc/systemd/resolved.conf.d/60-kni.conf
echo "DNS=$NAMESERVER_IP" >> /etc/systemd/resolved.conf.d/60-kni.conf
echo "Domains=$DOMAIN" >> /etc/systemd/resolved.conf.d/60-kni.conf
if systemctl -q is-active systemd-resolved; then
>&2 echo "NM resolv-prepender: restarting systemd-resolved"
systemctl restart systemd-resolved
fi
fi
else
logger -s "NM resolv-prepender: Prepending 'nameserver $NAMESERVER_IP' to /etc/resolv.conf (other nameservers from /var/run/NetworkManager/resolv.conf)"
sed -e "/^search/d" \
-e "/Generated by/c# Generated by Ovirt resolv prepender NM dispatcher script\nsearch $DOMAIN\nnameserver $NAMESERVER_IP" \
/var/run/NetworkManager/resolv.conf > /etc/resolv.tmp
# Only leave the first 3 nameservers in /etc/resolv.conf
sed -i ':a $!{N; ba}; s/\(^\|\n\)nameserver/\n# nameserver/4g' /etc/resolv.tmp
mv -f /etc/resolv.tmp /etc/resolv.conf
fi
fi
# Only leave the first 3 nameservers in /etc/resolv.conf
sed -i ':a $!{N; ba}; s/\(^\|\n\)nameserver/\n# nameserver/4g' /etc/resolv.tmp
mv -f /etc/resolv.tmp /etc/resolv.conf
;;
*)
;;
Expand Down
25 changes: 20 additions & 5 deletions templates/common/vsphere/files/NetworkManager-resolv-prepender.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -44,13 +44,28 @@ contents:
"{{.Infra.Status.PlatformStatus.VSphere.APIServerInternalIP}}" \
"{{.Infra.Status.PlatformStatus.VSphere.IngressIP}}")
DOMAIN="{{.Infra.Status.EtcdDiscoveryDomain}}"

if [[ -n "$NAMESERVER_IP" ]]; then
logger -s "NM resolv-prepender: Prepending 'nameserver $NAMESERVER_IP' to /etc/resolv.conf (other nameservers from /var/run/NetworkManager/resolv.conf)"
sed -e "/^search/d" \
-e "/Generated by/c# Generated by KNI resolv prepender NM dispatcher script\nsearch $DOMAIN\nnameserver $NAMESERVER_IP" \
/var/run/NetworkManager/resolv.conf > /etc/resolv.tmp
if systemctl -q is-enabled systemd-resolved; then
>&2 echo "NM resolv-prepender: Setting up systemd-resolved for OKD domain and local IP"
if [[ ! -f /etc/systemd/resolved.conf.d/60-kni.conf ]]; then
>&2 echo "NM resolv-prepender: Creating /etc/systemd/resolved.conf.d/60-kni.conf"
echo "[Resolve]" > /etc/systemd/resolved.conf.d/60-kni.conf
echo "DNS=$NAMESERVER_IP" >> /etc/systemd/resolved.conf.d/60-kni.conf
echo "Domains=$DOMAIN" >> /etc/systemd/resolved.conf.d/60-kni.conf
if systemctl -q is-active systemd-resolved; then
>&2 echo "NM resolv-prepender: restarting systemd-resolved"
systemctl restart systemd-resolved
fi
fi
else
logger -s "NM resolv-prepender: Prepending 'nameserver $NAMESERVER_IP' to /etc/resolv.conf (other nameservers from /var/run/NetworkManager/resolv.conf)"
sed -e "/^search/d" \
-e "/Generated by/c# Generated by KNI resolv prepender NM dispatcher script\nsearch $DOMAIN\nnameserver $NAMESERVER_IP" \
/var/run/NetworkManager/resolv.conf > /etc/resolv.tmp
mv -f /etc/resolv.tmp /etc/resolv.conf
fi
fi
mv -f /etc/resolv.tmp /etc/resolv.conf
;;
*)
;;
Expand Down