meta-google: gbmc-bridge: Use saved address as ping source
We don't want to use any implicitly generated SLAAC addresses as this
will allow our machine to think it is reachable even though megapede
will not be able to reach it via the DHCP derived address.
Change-Id: Iba73d8a96d8a6dfcd7988bf0cca44a5b14558290
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp-term.sh b/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp-term.sh
index 4cc0f6e..c3b5a33 100644
--- a/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp-term.sh
+++ b/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp-term.sh
@@ -13,9 +13,15 @@
# See the License for the specific language governing permissions and
# limitations under the License.
+# If we don't have a saved IP, we keep running indefinitely
+if ! srcip="$(cat /var/google/gbmc-br-ip 2>/dev/null)"; then
+ echo 'Missing saved gbmc-br IP' >&2
+ exit 0
+fi
+
# Wait until a well known service is network available
echo "Waiting for network reachability" >&2
-while ! ping -c 1 -W 1 2001:4860:4860::8888 >/dev/null 2>&1; do
+while ! ping -I "$srcip" -c 1 -W 1 2001:4860:4860::8888 >/dev/null 2>&1; do
sleep 1
done