k8s misc

                         +----------+
          +--create----> | producer |
          |              +----------+
     +----+----+               ^
     | manager |---bind------> :
     +----+----+               v
          |              +----------+
          +---watch----> |  claim   | <--+
                         +----------+    |
                               ^         |
                               |         +---- user-created
                               |         |
                         +----------+    |
                         | consumer | <--+
                         +----------+

                       +----------+
        +--create----> |    PV    | <------ auto-provisioned
        |              +----------+         or admin-created
   +----+----+               ^
   | PVCtrlr |---bind------> :
   +----+----+               v
        |              +----------+
        +---watch----> | PVClaim  | <--+
                       +----------+    |
                             ^         |
                             |         +---- user-created
                             |         |
                       +----------+    |
                       |   pod    | <--+
                       +----------+

                       +----------+
        +--create----> |    LB    | <------- abstract
        |              +----------+
   +----+----+               ^
   | LBCtrlr |               :
   +----+----+               :
        |              +-----+----+
        +---watch----> | ingress  | <------- user-created
                       +----------+