@spec arguments(
  %Edeliver.Relup.Instructions{
    changed_modules: term(),
    down_instructions: term(),
    down_version: term(),
    up_instructions: term(),
    up_version: term()
  },
  Edeliver.Relup.Config.t()
) :: term()

Returns name of the application.

This name is taken as argument for the run/1 function and is required to access the acceptor processes through the supervision tree

@spec call_this(arguments :: [term()]) ::
  Instruction.instruction() | Instruction.instructions()

Calls the run/1 function of this module

from the relup file during hot code upgrade

@spec dependencies() :: [instruction_module :: atom()]

@spec dependencies() :: [Edeliver.Relup.Instructions.CheckRanchAcceptors]

This module requires the Edeliver.Relup.Instructions.CheckRanchAcceptors module

which must be loaded before this instruction for upgrades and unload after this instruction for downgrades.

@spec insert_where() :: Instruction.insert_fun()

Callback implementation for Edeliver.Relup.RunnableInstruction.insert_where/0.

Callback implementation for Edeliver.Relup.Instruction.modify_relup/2.

@spec run(otp_application_name :: atom()) :: :ok

Resumes the ranch acceptor supervisor and restarts all ranch acceptors

to enable accepting new requests / connections again after the upgrade.