Change unstable neutron rally job's flavors

To relieve memory pressure, the unstable neutron rally job's
flavors were changed from m1.tiny to m1.nano.

Change-Id: I7e687172d1cdd5d0e0421d936ebffa4965b3082f
Closes-Bug: #1544730

rally-jobs/extra/resource_group_server_with_volume.yaml.template

@@ -41,4 +41,4 @@ resources:
           image: {get_param: instance_image}
           volume_size: {get_param: instance_volume_size}
           flavor: {get_param: instance_flavor}
-          availability_zone: {get_param: instance_availability_zone}
+          availability_zone: {get_param: instance_availability_zone}

rally-jobs/unstable-neutron.yaml

@@ -1,11 +1,12 @@
 {% set image_name = "^cirros.*uec$" %}
+{% set flavor_name = "m1.nano" %}
 ---
 
   NovaSecGroup.boot_and_delete_server_with_secgroups:
     -
       args:
         flavor:
-          name: "m1.tiny"
+          name: {{flavor_name}}
         image:
           name: {{image_name}}
         security_group_count: 5
@@ -32,7 +33,7 @@
     -
       args:
         flavor:
-            name: "m1.tiny"
+            name: {{flavor_name}}
         image:
             name: {{image_name}}
         volume_size: 1
@@ -52,7 +53,7 @@
     -
       args:
         flavor:
-            name: "m1.tiny"
+            name: {{flavor_name}}
         image:
             name: {{image_name}}
         volume_size: 1
@@ -75,7 +76,7 @@
         image:
           name: {{image_name}}
         flavor:
-          name: "m1.tiny"
+          name: {{flavor_name}}
       runner:
         type: "constant"
         times: 3
@@ -107,7 +108,7 @@
           image:
             name: {{image_name}}
           flavor:
-            name: "m1.tiny"
+            name: {{flavor_name}}
           servers_per_tenant: 2
       sla:
           failure_rate:
@@ -130,7 +131,7 @@
           image:
             name: {{image_name}}
           flavor:
-            name: "m1.tiny"
+            name: {{flavor_name}}
           servers_per_tenant: 1
       sla:
           failure_rate:
@@ -158,7 +159,7 @@
           image:
             name: {{image_name}}
           flavor:
-            name: "m1.tiny"
+            name: {{flavor_name}}
           servers_per_tenant: 2
       sla:
           failure_rate:

tests/ci/rally-gate.sh

@@ -51,9 +51,10 @@ fi
 
 env
 set -o pipefail
-
 rally deployment use --deployment devstack
 rally deployment check
+source ~/.rally/openrc
+nova flavor-create m1.nano 42 64 0 1
 
 python $BASE/new/rally/tests/ci/osresources.py\
     --dump-list resources_at_start.txt