diff --git a/packer/TEMPLATE-openrc.sh b/packer/TEMPLATE-openrc.sh
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+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+export OS_CLOUD=nameofmyopenstack
+export VIM_MGMT_NET="internal"  # Internal network to attach the VM
+export VIM_EXT_NET="ext-net"    # External network providing floating IP addresses
+
+# Converts the name of the internal network to UUID, so that Packer can use it
+export NETWORK_ID=`openstack network list -f json | jq -r ".[] | select(.Name == \"${VIM_MGMT_NET}\") | .ID"`
+
+# Other environment variables for Packer
+export FLAVOR_NAME=flavorname
+export SOURCE_IMAGE_NAME=sourceimagename