Neutron: use "OSC show -f value -c id" instead of "OSC list + grep"

We should leverage server-side filtering.

Change-Id: I3deef791868769b0b7cfc405d73dff57458ca427

exercises/neutron-adv-test.sh

@@ -156,7 +156,7 @@ function get_role_id {
 function get_network_id {
     local NETWORK_NAME="$1"
     local NETWORK_ID
-    NETWORK_ID=`openstack network list | grep $NETWORK_NAME | awk '{print $2}'`
+    NETWORK_ID=`openstack network show -f value -c id $NETWORK_NAME`
     echo $NETWORK_ID
 }
 

lib/tempest

@@ -242,8 +242,7 @@ function configure_tempest {
     # the public network (for floating ip access) is only available
     # if the extension is enabled.
     if is_networking_extension_supported 'external-net'; then
-        public_network_id=$(openstack network list | grep $PUBLIC_NETWORK_NAME | \
-            awk '{print $2}')
+        public_network_id=$(openstack network show -f value -c id $PUBLIC_NETWORK_NAME)
     fi
 
     iniset $TEMPEST_CONFIG DEFAULT use_syslog $SYSLOG

tools/ping_neutron.sh

@@ -54,7 +54,7 @@ fi
 REMAINING_ARGS="${@:2}"
 
 # BUG: with duplicate network names, this fails pretty hard.
-NET_ID=$(openstack network list | grep "$NET_NAME" | awk '{print $2}')
+NET_ID=$(openstack network show -f value -c id "$NET_NAME")
 PROBE_ID=$(neutron-debug probe-list -c id -c network_id | grep "$NET_ID" | awk '{print $2}' | head -n 1)
 
 # This runs a command inside the specific netns