Astapor Cinder refactoring

after.plantuml

@startuml

class q::nova_network::controller {
}

class q::neutron::controller {
}

class q::controller_common {
}

note top of "q::pacemaker::cinder": one of the top-level classes in the HA controller
class q::pacemaker::cinder {
}

class q::cinder {
  cinder-api
  cinder-scheduler
}

class q::cinder_volume {
  cinder-volume
  ..
  (multi-backend support)
  iscsi backend
  glusterfs backend
  nfs backend
  eqlx backend
}

class q::storage_backend::cinder {
}

"q::nova_network::controller" ..> "q::controller_common"
"q::neutron::controller"      ..> "q::controller_common"
"q::controller_common"        ..> "q::cinder"
"q::controller_common"        ..> "q::cinder_volume"

"q::pacemaker::cinder"        ..> "q::cinder"
"q::pacemaker::cinder"        ..> "q::cinder_volume"

"q::storage_backend::cinder"  ..> "q::cinder_volume"

@enduml

after.png

before.plantuml

@startuml

note top of "q::pacemaker::cinder": one of the top-level classes in the HA controller
class q::pacemaker::cinder {
}

class q::cinder {
  cinder-api
  cinder-scheduler
}

class q::cinder_volume {
  cinder-volume
  ..
  iscsi backend
  gluster backend
  nfs backend
}

class q::nova_network::controller {
}

class q::neutron::controller {
}

class q::controller_common {
}

class q::cinder_controller {
  cinder-api
  cinder-scheduler
  cinder-volume
  ..
  iscsi backend
  gluster backend
}

class q::storage_backend::cinder {
  cinder-volume
  ..
  iscsi backend
  gluster backend
}

"q::nova_network::controller" ..> "q::controller_common"
"q::neutron::controller"      ..> "q::controller_common"
"q::controller_common"        ..> "q::cinder_controller"

"q::pacemaker::cinder"        ..> "q::cinder"
"q::pacemaker::cinder"        ..> "q::cinder_volume"

@enduml

before.png