echo "/dev/"$DISK"1 /data ext4 errors=remount-ro,noatime,barrier=0 0 1" >> /etc/fstab
# Set the MTU size of docker containers to the minimum MTU size supported by vNICs. OpenStack deployments may need to know the external DNS IP
+DNS_FLAG=""
+if [ -s /opt/config/dns_ip_addr.txt ]
+then
+ DNS_FLAG=$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
sed -i "s/GRUB_CMDLINE_LINUX=.*/GRUB_CMDLINE_LINUX=\"net.ifnames=0 biosdevname=0\"/g" /etc/default/grub
grub-mkconfig -o /boot/grub/grub.cfg
sed -i "s/ens[0-9]*/eth0/g" /etc/network/interfaces.d/*.cfg
+ sed -i "s/ens[0-9]*/eth0/g" /etc/udev/rules.d/70-persistent-net.rules
echo 'network: {config: disabled}' >> /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
echo "APT::Periodic::Unattended-Upgrade \"0\";" >> /etc/apt/apt.conf.d/10periodic
reboot
fi
# Run docker containers. For openstack Ubuntu 16.04 images this will run as a service after the VM has restarted
-./asdc_vm_init.sh
\ No newline at end of file
+./asdc_vm_init.sh