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@ -3,39 +3,13 @@
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Migrators.HashtagsTableMigrator do
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defmodule State do
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use Agent
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@init_state %{}
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def start_link(_) do
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Agent.start_link(fn -> @init_state end, name: __MODULE__)
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end
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def get do
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Agent.get(__MODULE__, & &1)
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end
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def put(key, value) do
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Agent.update(__MODULE__, fn state ->
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Map.put(state, key, value)
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end)
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end
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def increment(key, increment \\ 1) do
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Agent.update(__MODULE__, fn state ->
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updated_value = (state[key] || 0) + increment
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Map.put(state, key, updated_value)
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end)
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end
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end
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use GenServer
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require Logger
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import Ecto.Query
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alias __MODULE__.State
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alias Pleroma.Config
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alias Pleroma.DataMigration
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alias Pleroma.Hashtag
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@ -43,13 +17,23 @@ defmodule Pleroma.Migrators.HashtagsTableMigrator do
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alias Pleroma.Repo
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defdelegate state(), to: State, as: :get
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defdelegate put_state(key, value), to: State, as: :put
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defdelegate increment_state(key, increment), to: State, as: :increment
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defdelegate put_stat(key, value), to: State, as: :put
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defdelegate increment_stat(key, increment), to: State, as: :increment
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defdelegate data_migration(), to: DataMigration, as: :populate_hashtags_table
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@reg_name {:global, __MODULE__}
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def whereis, do: GenServer.whereis(@reg_name)
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def start_link(_) do
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GenServer.start_link(__MODULE__, nil, name: __MODULE__)
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case whereis() do
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nil ->
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GenServer.start_link(__MODULE__, nil, name: @reg_name)
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pid ->
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{:ok, pid}
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end
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end
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@impl true
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@ -61,21 +45,22 @@ defmodule Pleroma.Migrators.HashtagsTableMigrator do
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def handle_continue(:init_state, _state) do
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{:ok, _} = State.start_link(nil)
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put_state(:status, :init)
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put_stat(:status, :init)
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dm = data_migration()
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manual_migrations = Config.get([:instance, :manual_data_migrations], [])
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cond do
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Config.get(:env) == :test ->
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put_state(:status, :noop)
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put_stat(:status, :noop)
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is_nil(dm) ->
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put_state(:status, :halt)
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put_state(:message, "Data migration does not exist.")
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put_stat(:status, :halt)
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put_stat(:message, "Data migration does not exist.")
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dm.state == :manual ->
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put_state(:status, :noop)
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put_state(:message, "Data migration is in manual execution state.")
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dm.state == :manual or dm.name in manual_migrations ->
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put_stat(:status, :noop)
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put_stat(:message, "Data migration is in manual execution state.")
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dm.state == :complete ->
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handle_success()
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@ -91,8 +76,12 @@ defmodule Pleroma.Migrators.HashtagsTableMigrator do
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def handle_info(:migrate_hashtags, state) do
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data_migration = data_migration()
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{:ok, data_migration} = DataMigration.update_state(data_migration, :running)
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put_state(:status, :running)
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persistent_data = Map.take(data_migration.data, ["max_processed_id"])
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{:ok, data_migration} =
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DataMigration.update(data_migration, %{state: :running, data: persistent_data})
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put_stat(:status, :running)
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Logger.info("Starting transferring object embedded hashtags to `hashtags` table...")
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@ -137,10 +126,12 @@ defmodule Pleroma.Migrators.HashtagsTableMigrator do
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)
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max_object_id = Enum.at(object_ids, -1)
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_ = DataMigration.update(data_migration, %{data: %{"max_processed_id" => max_object_id}})
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increment_state(:processed_count, length(object_ids))
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increment_state(:failed_count, length(failed_ids))
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put_stat(:max_processed_id, max_object_id)
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increment_stat(:processed_count, length(object_ids))
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increment_stat(:failed_count, length(failed_ids))
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persist_stats(data_migration)
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# A quick and dirty approach to controlling the load this background migration imposes
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sleep_interval = Config.get([:populate_hashtags_table, :sleep_interval_ms], 0)
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@ -153,14 +144,15 @@ defmodule Pleroma.Migrators.HashtagsTableMigrator do
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"SELECT COUNT(record_id) FROM data_migration_failed_ids WHERE data_migration_id = $1;",
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[data_migration.id]
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) do
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put_state(:status, :complete)
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_ = DataMigration.update_state(data_migration, :complete)
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handle_success()
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else
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_ ->
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put_state(:status, :failed)
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put_state(:message, "Please check data_migration_failed_ids records.")
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_ = DataMigration.update_state(data_migration, :failed)
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put_stat(:status, :failed)
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put_stat(:message, "Please check data_migration_failed_ids records.")
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end
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{:noreply, state}
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@ -199,8 +191,13 @@ defmodule Pleroma.Migrators.HashtagsTableMigrator do
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end)
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end
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defp persist_stats(data_migration) do
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runner_state = Map.drop(state(), [:status])
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_ = DataMigration.update(data_migration, %{data: runner_state})
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end
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defp handle_success do
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put_state(:status, :complete)
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put_stat(:status, :complete)
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unless Config.improved_hashtag_timeline() do
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Config.put(Config.improved_hashtag_timeline_path(), true)
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@ -208,4 +205,13 @@ defmodule Pleroma.Migrators.HashtagsTableMigrator do
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:ok
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end
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def force_continue do
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send(whereis(), :migrate_hashtags)
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end
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def force_restart do
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{:ok, _} = DataMigration.update(data_migration(), %{state: :pending, data: %{}})
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force_continue()
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end
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end
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