Support for cinder volume_type

Used for testing cinder multiback end support and QOS specs

Change-Id: I5df4c2e47ef2253c296898f4e49b29e6d3927642

doc/source/configuration.rst

@@ -211,6 +211,13 @@ This section defines the storage specific configs in the staging phase::
     # The size of the test file for running IO tests in GB. Must be less or
     # equal than disk_size.
     io_file_size: 1
+    # Optional volume_type for cinder volumes
+    # Do not specify unless using QOS specs or testing a specific volume type
+    # Used to test multibackend support and QOS specs
+    # Must be a valid cinder volume type as listed by openstack volume type list
+    # Make sure volume type is public
+    # If an invalid volume type is specified tool will Error out on volume create
+    # volume_type: cephtype
 
 * **client:storage_tool_configs**
 

doc/source/readme.rst

@@ -69,6 +69,8 @@ Feature List
 
    * User configurable workload sequence
 
+   * Support for creating cinder volumes with custom volume types and associated QOS specs
+
 * Supports automated scale progressions (VM count series in any multiple
   increment) to reduce dramatically scale testing time
 

kloudbuster/base_network.py

@@ -165,10 +165,12 @@ class BaseNetwork(object):
         if config_scale['use_floatingip']:
             external_network = find_external_network(self.neutron_client)
 
+        volume_type = None
         storage_mode = self.router.user.tenant.kloud.storage_mode
         if storage_mode and config_scale['storage_stage_configs']['target'] == 'volume':
             bs_obj = base_storage.BaseStorage(self.cinder_client)
             vol_size = config_scale['storage_stage_configs']['disk_size']
+            volume_type = config_scale['storage_stage_configs'].get('volume_type', None)
         else:
             vol_size = 0
 
@@ -182,6 +184,10 @@ class BaseNetwork(object):
             # Don't create volumn for KB-Proxy
             if vol_size and instance_count < vm_total - 1:
                 vol_name = network_prefix + "-V" + str(instance_count)
+                if volume_type:
+                    perf_instance.vol = bs_obj.create_vol(vol_size, name=vol_name,
+                                                          type=volume_type)
+                else:
                     perf_instance.vol = bs_obj.create_vol(vol_size, name=vol_name)
                 self.res_logger.log('volumes', vol_name, perf_instance.vol.id)
 

kloudbuster/base_storage.py

@@ -29,7 +29,11 @@ class BaseStorage(object):
     def __init__(self, cinderclient):
         self.cinderclient = cinderclient
 
-    def create_vol(self, size, name=None):
+    def create_vol(self, size, name=None, type=None):
+        if type:
+            vol = self.cinderclient.volumes.create(size, name=name,
+                                                   volume_type=type)
+        else:
             vol = self.cinderclient.volumes.create(size, name=name)
         for _ in range(10):
             if vol.status == 'creating':

kloudbuster/cfg.scale.yaml

@@ -302,6 +302,14 @@ client:
         # The size of the test file for running IO tests in GB. Must be less or
         # equal than disk_size. Defaults to 1 GB
         io_file_size: 1
+        # Optional volume_type for cinder volumes
+        # Do not specify unless using QOS specs or testing a specific volume type
+        # Used to test multibackend support and QOS specs
+        # Must be a valid cinder volume type as listed by openstack volume type list
+        # Make sure volume type is public
+        # If an invalid volume type is specified tool will Error out on volume create
+        # volume_type: cephtype
+
 
     # Storage tool specific configs (per VM)
     # Multiple factors can impact the storage performance numbers, and KloudBuster is defining