Use IRONIC_USE_RESOURCE_CLASSES in devstack plugin

Change to set node resource class on ironic side, and create
mogan flavor based on that.

Change-Id: Ibccfe3c8de9203abdd04107a1d1ccf9a13d3786f

devstack/plugin.sh

@@ -184,19 +184,27 @@ function cleanup_mogan {
 
 
 function create_flavor {
-    openstack baremetal flavor create ${MOGAN_DEFAULT_FLAVOR} --description 'Mogan default flavor' --resources ${MOGAN_DEFAULT_FLAVOR}=1
-}
-
-
-function update_ironic_node_resource_class {
-    ironic_nodes=$(openstack baremetal node list -c UUID -f value)
-    for node in ${ironic_nodes};do
-        openstack --os-baremetal-api-version latest baremetal node set --resource-class ${MOGAN_DEFAULT_FLAVOR} ${node}
-    done
+    # this makes consistency with ironic resource class, will move the mogan flavor
+    # creation to ironic devstack plugin when we are offical.
+    if [[ "$IRONIC_IS_HARDWARE" == "False" ]]; then
+        local ironic_node_cpu=$IRONIC_VM_SPECS_CPU
+        local ironic_node_ram=$IRONIC_VM_SPECS_RAM
+        local ironic_node_disk=$IRONIC_VM_SPECS_DISK
+    else
+        local ironic_node_cpu=$IRONIC_HW_NODE_CPU
+        local ironic_node_ram=$IRONIC_HW_NODE_RAM
+        local ironic_node_disk=$IRONIC_HW_NODE_DISK
+    fi
+    # this will look like baremetal_1cpu_256mbram_10gbdisk
+    resource_class="baremetal_${ironic_node_cpu}cpu_${ironic_node_ram}mbram_${ironic_node_disk}gbdisk"
+    openstack baremetal flavor create ${resource_class} --description 'Mogan default flavor' --resources ${resource_class}=1
 }
 
 
 if is_service_enabled mogan; then
+    if [[ "$IRONIC_USE_RESOURCE_CLASSES" == "False" ]]; then
+        die "Ironic node resource class is required for Mogan"
+    fi
     if ! is_service_enabled placement; then
         die "placement service is required for Mogan"
     fi
@@ -218,8 +226,6 @@ if is_service_enabled mogan; then
         start_mogan
         echo_summary "Creating flavor"
         create_flavor
-        echo_summary "Updating ironic node resource class"
-        update_ironic_node_resource_class
     fi
 
     if [[ "$1" == "unstack" ]]; then

devstack/settings

@@ -27,4 +27,3 @@ MOGAN_SERVICE_PORT=${MOGAN_SERVICE_PORT:-6688}
 MOGAN_SERVICE_PROTOCOL=${MOGAN_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL}
 
 MOGAN_ADMIN_USER=${MOGAN_ADMIN_USER:-mogan}
-MOGAN_DEFAULT_FLAVOR=${MOGAN_DEFAULT_FLAVOR:-small}

doc/source/dev/dev-quickstart.rst

@@ -298,6 +298,9 @@ Create devstack/local.conf with minimal settings required to enable Mogan
     # Swift temp URL's are required for agent_* drivers.
     SWIFT_ENABLE_TEMPURLS=True
 
+    # Set resource_classes for nodes to use placement service
+    IRONIC_USE_RESOURCE_CLASSES=True
+
     # Create 3 virtual machines to pose as Ironic's baremetal nodes.
     IRONIC_VM_COUNT=3
     IRONIC_VM_SSH_PORT=22

mogan/tests/tempest/api/base.py

@@ -52,15 +52,14 @@ class BaseBaremetalComputeTest(tempest.test.BaseTestCase):
             cls.os_admin.network_floatingip_client
 
     @classmethod
-    def _get_small_flavor(cls):
+    def _get_flavor(cls):
+        # TODO(liusheng) we shouldn't depend on the default flavor
+        # created by devstack.
         flavors = cls.baremetal_compute_client.list_flavors()
-        for f in flavors:
-            if f['name'] == 'small':
-                return f['uuid']
+        if flavors:
+            return flavors[0]['uuid']
         else:
-            # TODO(liusheng) we shouldn't depend on the default
-            # type created by devstack
-            raise exception.FlavorNotFound("'small' flavor not found.")
+            raise exception.FlavorNotFound("No flavor found!")
 
     @classmethod
     def _get_net_id(cls):
@@ -75,7 +74,7 @@ class BaseBaremetalComputeTest(tempest.test.BaseTestCase):
         super(BaseBaremetalComputeTest, cls).resource_setup()
         cls.flavor_ids = []
         cls.server_ids = []
-        cls.small_flavor = cls._get_small_flavor()
+        cls.flavor = cls._get_flavor()
         cls.image_id = CONF.compute.image_ref
         cls.net_id = cls._get_net_id()
         cls.ext_net_id = CONF.network.public_network_id
@@ -84,7 +83,7 @@ class BaseBaremetalComputeTest(tempest.test.BaseTestCase):
     def create_server(cls, wait_until_active=True):
         body = {'name': data_utils.rand_name('mogan_server'),
                 'description': "mogan tempest server",
-                'flavor_uuid': cls.small_flavor,
+                'flavor_uuid': cls.flavor,
                 'image_uuid': cls.image_id,
                 "networks": [{"net_id": cls.net_id}]
                 }

mogan/tests/tempest/api/test_servers.py

@@ -36,7 +36,7 @@ class BaremetalComputeAPIServersTest(base.BaseBaremetalComputeTest):
         resp = self.creation_resp
         self.assertEqual(self.server_ids[0], resp['uuid'])
         self.assertEqual('building', resp['status'])
-        self.assertEqual(self.small_flavor, resp['flavor_uuid'])
+        self.assertEqual(self.flavor, resp['flavor_uuid'])
         self.assertEqual('mogan tempest server', resp['description'])
         self.assertEqual(self.image_id, resp['image_uuid'])
         self.assertIn('launched_at', resp)
@@ -53,7 +53,7 @@ class BaremetalComputeAPIServersTest(base.BaseBaremetalComputeTest):
         resp = self.baremetal_compute_client.show_server(
             self.server_ids[0])
         self.assertEqual('active', resp['status'])
-        self.assertEqual(self.small_flavor, resp['flavor_uuid'])
+        self.assertEqual(self.flavor, resp['flavor_uuid'])
         self.assertEqual('mogan tempest server', resp['description'])
         self.assertEqual(self.image_id, resp['image_uuid'])
         self.assertEqual('power on', resp['power_state'])