Astarte.Device.CredentialStorage behaviour (astarte_device v1.0.0-rc.0)
User defined credential storage.
Astarte.Device.CredentialStorage
defines a behaviour that can be given to an Astarte.Device
. This allows the user to specify how device credentials are stored.
Link to this section Summary
Types
Supported credential keys. You can pattern match on these if you want to store them each in a different way.
Callbacks
Fetch the specified credential from the credential storage.
Save the specified credential to the credential storage.
Link to this section Types
Link to this type
credential()
Specs
credential() :: :private_key | :csr | :certificate
Supported credential keys. You can pattern match on these if you want to store them each in a different way.
Link to this section Callbacks
Link to this callback
fetch(key, state)
Specs
fetch(key :: credential(), state :: term()) :: {:ok, credential :: String.t()} | :error
Fetch the specified credential from the credential storage.
Link to this callback
init(args)
Specs
Link to this callback
save(key, value, state)
Specs
save(key :: credential(), value :: String.t(), state :: term()) :: {:ok, new_state :: term()} | {:error, reason :: term()}
Save the specified credential to the credential storage.