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-rwxr-xr-xnetwork/scripts/run-os-net-config.sh10
1 files changed, 5 insertions, 5 deletions
diff --git a/network/scripts/run-os-net-config.sh b/network/scripts/run-os-net-config.sh
index fc1e6d54..5df67b78 100755
--- a/network/scripts/run-os-net-config.sh
+++ b/network/scripts/run-os-net-config.sh
@@ -1,7 +1,7 @@
#!/bin/bash
-# Note this script expects the following environment variables to be set
-# normally these are provided by the calling SoftwareConfig resource, but
-# they may also be set manually for testing
+# The following environment variables may be set to substitute in a
+# custom bridge or interface name. Normally these are provided by the calling
+# SoftwareConfig resource, but they may also be set manually for testing.
# $bridge_name : The bridge device name to apply
# $interface_name : The interface name to apply
#
@@ -113,8 +113,8 @@ if [ -n '$network_config' ]; then
mkdir -p /etc/os-net-config
# Note these variables come from the calling heat SoftwareConfig
echo '$network_config' > /etc/os-net-config/config.json
- sed -i "s/bridge_name/$bridge_name/" /etc/os-net-config/config.json
- sed -i "s/interface_name/$interface_name/" /etc/os-net-config/config.json
+ sed -i "s/bridge_name/${bridge_name:-''}/" /etc/os-net-config/config.json
+ sed -i "s/interface_name/${interface_name:-''}/" /etc/os-net-config/config.json
os-net-config -c /etc/os-net-config/config.json -v --detailed-exit-codes
RETVAL=$?