Graham McIntire
1fc066d95b
- Add snmp_memory_pools table and MemoryPool schema - Add snmp_storage table and Storage schema - Add discover_memory_pools/1 for HOST-RESOURCES-MIB RAM/swap - Add discover_storage/1 for HOST-RESOURCES-MIB disk storage - Add comprehensive tests for schema validation and discovery - Completes Phase 1 of discovery improvements
77 lines
2.2 KiB
Elixir
77 lines
2.2 KiB
Elixir
defmodule Towerops.Snmp.Storage do
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@moduledoc """
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SNMP storage schema for tracking disk and filesystem usage.
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Storage is discovered via HOST-RESOURCES-MIB hrStorageTable and includes:
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- Fixed disks (HDD, SSD)
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- Removable disks (USB, external)
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- Network storage (NFS, iSCSI)
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- RAM disks and virtual memory
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Tracks total and used space for capacity monitoring.
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"""
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use Ecto.Schema
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import Ecto.Changeset
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alias Ecto.Association.NotLoaded
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alias Towerops.Snmp.Device
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@valid_storage_types ~w(other ram virtual_memory fixed_disk removable_disk floppy_disk compact_disc ram_disk flash_memory network_disk)
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@primary_key {:id, :binary_id, autogenerate: true}
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@foreign_key_type :binary_id
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schema "snmp_storage" do
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field :storage_index, :integer
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field :storage_type, :string
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field :description, :string
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field :device_name, :string
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field :total_bytes, :integer
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field :used_bytes, :integer
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field :allocation_units, :integer
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field :last_checked_at, :utc_datetime
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field :metadata, :map, default: %{}
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belongs_to :snmp_device, Device
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timestamps(type: :utc_datetime)
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end
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@type t :: %__MODULE__{
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id: Ecto.UUID.t(),
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storage_index: integer(),
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storage_type: String.t(),
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description: String.t() | nil,
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device_name: String.t() | nil,
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total_bytes: integer() | nil,
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used_bytes: integer() | nil,
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allocation_units: integer() | nil,
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last_checked_at: DateTime.t() | nil,
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metadata: map(),
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snmp_device_id: Ecto.UUID.t(),
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snmp_device: NotLoaded.t() | Device.t(),
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inserted_at: DateTime.t(),
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updated_at: DateTime.t()
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}
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@doc false
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def changeset(storage, attrs) do
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storage
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|> cast(attrs, [
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:snmp_device_id,
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:storage_index,
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:storage_type,
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:description,
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:device_name,
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:total_bytes,
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:used_bytes,
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:allocation_units,
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:last_checked_at,
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:metadata
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])
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|> validate_required([:snmp_device_id, :storage_index, :storage_type])
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|> validate_inclusion(:storage_type, @valid_storage_types)
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|> unique_constraint([:snmp_device_id, :storage_index])
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|> foreign_key_constraint(:snmp_device_id)
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end
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end
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