Allow to pass suite flavor to gate_hook to disable dvr tests

Now if a job explicitly passes 'dvrskip' as a second argument to
gate_hook, then those tests requiring dvr extension won't be executed.

Needed-By: I0e94c5d7f65bbb1d803df0d2f99389ae19556480
Change-Id: I05233e69801be27cc35211148a53af02af29c8a5

neutron/tests/contrib/gate_hook.sh

@@ -3,6 +3,7 @@
 set -ex
 
 VENV=${1:-"dsvm-functional"}
+FLAVOR=${2:-"all"}
 
 GATE_DEST=$BASE/new
 NEUTRON_PATH=$GATE_DEST/neutron
@@ -72,7 +73,7 @@ case $VENV in
     ;;
 
 "api"|"api-pecan"|"full-ovsfw"|"full-pecan"|"dsvm-scenario")
-    load_rc_hook api_extensions
+    load_rc_hook api_${FLAVOR}_extensions
     load_conf_hook quotas
     load_rc_hook dns
     load_rc_hook qos

neutron/tests/contrib/hooks/api_dvrskip_extensions

@@ -0,0 +1,43 @@
+NETWORK_API_EXTENSIONS="
+    address-scope, \
+    agent, \
+    allowed-address-pairs, \
+    auto-allocated-topology, \
+    availability_zone, \
+    binding, \
+    default-subnetpools, \
+    dhcp_agent_scheduler, \
+    dns-integration, \
+    ext-gw-mode, \
+    external-net, \
+    extra_dhcp_opt, \
+    extraroute, \
+    flavors, \
+    l3-flavors, \
+    l3-ha, \
+    l3_agent_scheduler, \
+    metering, \
+    multi-provider, \
+    net-mtu, \
+    network-ip-availability, \
+    network_availability_zone, \
+    pagination, \
+    port-security, \
+    project-id, \
+    provider, \
+    qos, \
+    quotas, \
+    rbac-policies, \
+    router, \
+    router_availability_zone, \
+    security-group, \
+    service-type, \
+    sorting, \
+    standard-attr-description, \
+    standard-attr-revisions, \
+    standard-attr-timestamp, \
+    subnet_allocation, \
+    tag, \
+    trunk, \
+    trunk-details"
+NETWORK_API_EXTENSIONS="$(echo $NETWORK_API_EXTENSIONS | tr -d ' ')"