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authorMarco Platania <platania@research.att.com>2017-06-07 11:06:41 -0400
committerMarco Platania <platania@research.att.com>2017-06-07 11:06:41 -0400
commit998b2ca49c0e7650888d26e7823b7e74262fc6d3 (patch)
tree85dbaf0b30c3349d4cde4090c4feda44be8d57d6 /boot/robot_install.sh
parent2c49993be9e4d32c3963b4244396c4e6197c3970 (diff)
Add local DNS config to docker engine
Change-Id: I40d2528fc77e201c669e709765465dd1ff91f731 Signed-off-by: Marco Platania <platania@research.att.com>
Diffstat (limited to 'boot/robot_install.sh')
-rw-r--r--boot/robot_install.sh10
1 files changed, 7 insertions, 3 deletions
diff --git a/boot/robot_install.sh b/boot/robot_install.sh
index 5c593b32..90c4b340 100644
--- a/boot/robot_install.sh
+++ b/boot/robot_install.sh
@@ -70,12 +70,16 @@ curl -L https://github.com/docker/compose/releases/download/1.9.0/docker-compose
chmod +x /opt/docker/docker-compose
# Set the MTU size of docker containers to the minimum MTU size supported by vNICs. OpenStack deployments may need to know the external DNS IP
+DNS_FLAG=""
+if [ -s /opt/config/dns_ip_addr.txt ]
+then
+ DNS_FLAG=$DNS_FLAG"--dns $(cat /opt/config/dns_ip_addr.txt) "
+fi
if [ -s /opt/config/external_dns.txt ]
then
- echo "DOCKER_OPTS=\"--dns $(cat /opt/config/external_dns.txt) --mtu=$MTU\"" >> /etc/default/docker
-else
- echo "DOCKER_OPTS=\"--mtu=$MTU\"" >> /etc/default/docker
+ DNS_FLAG=$DNS_FLAG"--dns $(cat /opt/config/external_dns.txt) "
fi
+echo "DOCKER_OPTS=\"$DNS_FLAG--mtu=$MTU\"" >> /etc/default/docker
cp /lib/systemd/system/docker.service /etc/systemd/system
sed -i "/ExecStart/s/$/ --mtu=$MTU/g" /etc/systemd/system/docker.service