Check quantum status dependent on the plugin

There are Quantum plugins that do not require the use of an agent.
This patch relaxes the constraint in quantum-adv-test.sh by adding
the ability to customize the logic that verifies whether the test
can run or not, depending on the Quantum plugin of your choice.

Fixes bug #1177904

Change-Id: I6e2c17f43d9e1475b2eb175cceb5107a83f9aa74

exercises/quantum-adv-test.sh

@@ -43,13 +43,12 @@ source $TOP_DIR/functions
 # Import configuration
 source $TOP_DIR/openrc
 
-# If quantum is not enabled we exit with exitcode 55 which mean
+# Import quantum functions
-# exercise is skipped.
-is_service_enabled quantum && is_service_enabled q-agt && is_service_enabled q-dhcp || exit 55
-
-# Import quantum fucntions
 source $TOP_DIR/lib/quantum
 
+# If quantum is not enabled we exit with exitcode 55, which means exercise is skipped.
+quantum_plugin_check_adv_test_requirements || exit 55
+
 # Import exercise configuration
 source $TOP_DIR/exerciserc
 

lib/quantum_plugins/README.md

@@ -34,3 +34,5 @@ functions
 * ``quantum_plugin_setup_interface_driver``
 * ``has_quantum_plugin_security_group``:
   return 0 if the plugin support quantum security group otherwise return 1
+* ``quantum_plugin_check_adv_test_requirements``:
+  return 0 if requirements are satisfied otherwise return 1

lib/quantum_plugins/bigswitch_floodlight

@@ -56,5 +56,9 @@ function has_quantum_plugin_security_group() {
     return 1
 }
 
+function quantum_plugin_check_adv_test_requirements() {
+    is_service_enabled q-agt && is_service_enabled q-dhcp && return 0
+}
+
 # Restore xtrace
 $MY_XTRACE

lib/quantum_plugins/brocade

@@ -50,5 +50,9 @@ function has_quantum_plugin_security_group() {
     return 0
 }
 
+function quantum_plugin_check_adv_test_requirements() {
+    is_service_enabled q-agt && is_service_enabled q-dhcp && return 0
+}
+
 # Restore xtrace
 $BRCD_XTRACE

lib/quantum_plugins/linuxbridge

@@ -86,5 +86,9 @@ function has_quantum_plugin_security_group() {
     return 0
 }
 
+function quantum_plugin_check_adv_test_requirements() {
+    is_service_enabled q-agt && is_service_enabled q-dhcp && return 0
+}
+
 # Restore xtrace
 $MY_XTRACE

lib/quantum_plugins/nec

@@ -118,5 +118,9 @@ function has_quantum_plugin_security_group() {
     return 0
 }
 
+function quantum_plugin_check_adv_test_requirements() {
+    is_service_enabled q-agt && is_service_enabled q-dhcp && return 0
+}
+
 # Restore xtrace
 $MY_XTRACE

lib/quantum_plugins/nicira

@@ -146,5 +146,9 @@ function has_quantum_plugin_security_group() {
     return 0
 }
 
+function quantum_plugin_check_adv_test_requirements() {
+    is_service_enabled q-dhcp && return 0
+}
+
 # Restore xtrace
 $MY_XTRACE

lib/quantum_plugins/openvswitch

@@ -144,5 +144,9 @@ function has_quantum_plugin_security_group() {
     return 0
 }
 
+function quantum_plugin_check_adv_test_requirements() {
+    is_service_enabled q-agt && is_service_enabled q-dhcp && return 0
+}
+
 # Restore xtrace
 $MY_XTRACE

lib/quantum_plugins/plumgrid

@@ -35,5 +35,8 @@ function quantum_plugin_configure_debug_command() {
     :
 }
 
+function quantum_plugin_check_adv_test_requirements() {
+    is_service_enabled q-agt && is_service_enabled q-dhcp && return 0
+}
 # Restore xtrace
 $MY_XTRACE

lib/quantum_plugins/ryu

@@ -71,5 +71,9 @@ function has_quantum_plugin_security_group() {
     return 0
 }
 
+function quantum_plugin_check_adv_test_requirements() {
+    is_service_enabled q-agt && is_service_enabled q-dhcp && return 0
+}
+
 # Restore xtrace
 $MY_XTRACE