gistfile1.txt

*No Host-aggregates / all hosts can boot any flavor*

creating a flavor in Trove
--------------------------

Mgmt API to create a new flavor, service_type required

1. Check if flavor with name specified already exists in Nova
2. Create a flavor with the specified name/specs in Nova
3. Create an service_flavors entry with service_type

  service_flavor table:
  ---------------------
  id: 1
  flavor_id: 1001
  service_type: mysql

  id: 2
  flavor_id: 1002
  service_type: mysql

  id: 1
  flavor_id: 1001 <------- existing flavor mapped to second service type
  service_type: redis 


Booting instances
---------------

Instance create API call

1. Validate trove flavor_id specified is allowed for given service_type
2. boot instance with --hint service_type = <service_type> <---- Hint is ignored, since nova doesn't know about it


=============================================================================
*With host aggregates*

configure aggregates (in nova)
------------------------------
nova aggregate-set-metadata <id> service_type=mysql...
nova aggregate-set-metadata <id> service_type=redis...


creating a flavor in Trove
--------------------------

Mgmt API to create a new flavor, service_type required

1. Check if flavor with name specified already exists in Nova
2. Create a flavor with the specified name/specs in Nova
3. Create an service_flavors entry with service_type

  service_flavor table:
  ---------------------
  id: 1
  flavor_id: 1001
  service_type: mysql

  id: 2
  flavor_id: 1002
  service_type: mysql

  id: 1
  flavor_id: 1001 <------- existing flavor mapped to second service type
  service_type: redis

configure nova flavor keys
---------------------------
nova flavor-key set_key --name=1001 (db.small)  --key=service_type --value=mysql
nova flavor-key set_key --name=1001 (db.small)  --key=service_type --value=redis
nova flavor-key set_key --name=1002 (db.large)  --key=service_type --value=mysql <--- only available for mysql

Booting instances
---------------

Instance create API call

1. Validate trove flavor_id specified is allowed for given service_type
2. boot instance with --hint service_type = <service_type> <---- Hint is honored