CI: Add addressing on external network

This is to allow CI testing of network connectivity.

Note only "primary" node gets an address on it.
Hence, "primary" becomes our fake external router.

Depends-on: https://review.opendev.org/709361

Change-Id: I05592888796107d6de95b940c42b2bff73ac0669

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/init-core-openstack.sh b/tests/init-core-openstack.sh
index 02a445c4c..d50e82b06 100755
--- a/tests/init-core-openstack.sh
+++ b/tests/init-core-openstack.sh
@@ -12,6 +12,19 @@ function init_runonce {
 
     echo "Initialising OpenStack resources via init-runonce"
     tools/init-runonce &> /tmp/logs/ansible/init-runonce
+
+    echo "Setting address on the external network bridge"
+    if [[ $SCENARIO == "linuxbridge" ]]; then
+        # NOTE(yoctozepto): linuxbridge agent manages its bridges by itself
+        # hence, we need to find the current name of the external network bridge
+        devname=$(basename $(readlink /sys/class/net/${EXT_NET_SLAVE_DEVICE}/master))
+    else
+        devname=br-ex
+        # NOTE(yoctozepto): ovs virtual interfaces are down (not used) by default
+        # hence, we need to bring the external network bridge up
+        sudo ip link set ${devname} up
+    fi
+    sudo ip addr add ${EXT_NET_LOCAL_ADDR} dev ${devname}
 }