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Abstractions for managing infrastructural components.

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formation lib formation lxd alpine package.ex
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lib/formation/lxd/alpine/package.ex 

defmodule Formation.Lxd.Alpine.Package do

  alias Formation.Lxd

  alias Lxd.Instance



  @enforce_keys [:slug]

  defstruct [:slug]



  @type t :: %__MODULE__{

          slug: String.t()

        }



  @ignored_errors [

    ~s(Run "rc-update add s6 default" to automatically start a s6 supervision tree on /run/service at boot time.),

    ""

  ]



  @spec add(%Tesla.Client{}, map) ::

          {:error, nil | binary} | {:ok, any}

  def add(

        %Tesla.Client{} = client,

        %Instance{slug: slug, package: %__MODULE__{} = package}

      ) do

    command = """

    apk update && apk add #{package.slug}

    """



    Lxd.execute_and_log(client, slug, command, ignored_errors: @ignored_errors)

  end



  @spec upgrade(any, map) ::

          {:error, binary} | {:ok, any}

  def upgrade(

        %Tesla.Client{} = client,

        %Instance{slug: slug, package: %__MODULE__{} = package}

      ) do

    command = """

    apk update && apk add --upgrade #{package.slug}

    """



    Lxd.execute_and_log(client, slug, command, ignored_errors: @ignored_errors)

  end

end