Create octavia multi-vCPU flavor

Creates a new Nova flavor, an Octavia flavorprofile and a Octavia flavor
that can be used for creating loadbalancers.
This can boost the network throughput when using Amphorae with
multiple vCPUs.

Depends-on: Id6b31143939067327011c346b3f1361902acabcf
Change-Id: I925a0403899aff881816c4903998e369acfab71f

releasenotes/notes/create-new-loadbalancer-flavor-with-multivcpu-support-5aa38d534360d021.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    TripleO creates a new load-balancer flavor for vertical
+    scaling using multiple vCPUs and more RAM now.

tripleo_ansible/roles/octavia_overcloud_config/tasks/flavor.yml

@@ -13,3 +13,40 @@
     fi
   run_once: true
   when: octavia_manage_nova_flavor | default(false) | bool
+
+- name: create nova multi-vCPU flavor for Octavia
+  shell: |
+    if ! openstack flavor show octavia_{{ octavia_multivcpu_flavor_id }} > /dev/null; then
+      openstack flavor create -vv \
+        --id {{ octavia_multivcpu_flavor_id }} \
+        --ram {{ octavia_multivcpu_flavor_properties.ram }} \
+        --disk {{ octavia_multivcpu_flavor_properties.disk }} \
+        --vcpus {{ octavia_multivcpu_flavor_properties.vcpus }} \
+        --private \
+        octavia_{{ octavia_multivcpu_flavor_id }}
+    fi
+  run_once: true
+  when: octavia_manage_nova_flavor | default(false) | bool
+
+- name: create octavia multi-vCPU flavor profile
+  shell: |
+    if ! openstack loadbalancer flavorprofile show octavia_{{ octavia_multivcpu_flavor_id }}_profile > /dev/null; then
+      openstack loadbalancer flavorprofile create -vv \
+        --name octavia_{{ octavia_multivcpu_flavor_id }}_profile \
+        --provider amphora --flavor-data \
+        '{"loadbalancer_topology": "ACTIVE_STANDBY", "compute_flavor": "{{ octavia_multivcpu_flavor_id }}"}'
+    fi
+  run_once: true
+  when: octavia_manage_nova_flavor | default(false) | bool
+
+- name: create octavia multi-vCPU flavor
+  shell: |
+    if ! openstack loadbalancer flavor show octavia_{{ octavia_multivcpu_flavor_id }} > /dev/null; then
+      openstack loadbalancer flavor create -vv \
+        --name octavia_{{ octavia_multivcpu_flavor_id }} \
+        --flavorprofile octavia_{{ octavia_multivcpu_flavor_id }}_profile \
+        --description "A flavor with {{ octavia_multivcpu_flavor_properties.vcpus }} \
+        vCPUs and {{ octavia_multivcpu_flavor_properties.ram }} MB RAM."
+    fi
+  run_once: true
+  when: octavia_manage_nova_flavor | default(false) | bool