# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Mix.Tasks.Pleroma.Database do
alias Pleroma.Conversation
+ alias Pleroma.Maintenance
alias Pleroma.Object
alias Pleroma.Repo
alias Pleroma.User
+
require Logger
require Pleroma.Constants
+
+ import Ecto.Query
import Mix.Pleroma
+
use Mix.Task
@shortdoc "A collection of database related tasks"
)
if Keyword.get(options, :vacuum) do
- Logger.info("Runnning VACUUM FULL")
-
- Repo.query!(
- "vacuum full;",
- [],
- timeout: :infinity
- )
+ Maintenance.vacuum("full")
end
end
def run(["update_users_following_followers_counts"]) do
start_pleroma()
- User
- |> Repo.all()
- |> Enum.each(&User.update_follower_count/1)
+ Repo.transaction(
+ fn ->
+ from(u in User, select: u)
+ |> Repo.stream()
+ |> Stream.each(&User.update_follower_count/1)
+ |> Stream.run()
+ end,
+ timeout: :infinity
+ )
end
def run(["prune_objects" | args]) do
- import Ecto.Query
-
{options, [], []} =
OptionParser.parse(
args,
|> Repo.delete_all(timeout: :infinity)
if Keyword.get(options, :vacuum) do
- Logger.info("Runnning VACUUM FULL")
-
- Repo.query!(
- "vacuum full;",
- [],
- timeout: :infinity
- )
+ Maintenance.vacuum("full")
end
end
def run(["fix_likes_collections"]) do
- import Ecto.Query
-
start_pleroma()
from(object in Object,
where: fragment("(?)->>'likes' is not null", object.data),
select: %{id: object.id, likes: fragment("(?)->>'likes'", object.data)}
)
- |> Pleroma.RepoStreamer.chunk_stream(100)
+ |> Pleroma.Repo.chunk_stream(100, :batches)
|> Stream.each(fn objects ->
ids =
objects
end)
|> Stream.run()
end
+
+ def run(["vacuum", args]) do
+ start_pleroma()
+
+ Maintenance.vacuum(args)
+ end
+
+ def run(["ensure_expiration"]) do
+ start_pleroma()
+ days = Pleroma.Config.get([:mrf_activity_expiration, :days], 365)
+
+ Pleroma.Activity
+ |> join(:inner, [a], o in Object,
+ on:
+ fragment(
+ "(?->>'id') = COALESCE((?)->'object'->> 'id', (?)->>'object')",
+ o.data,
+ a.data,
+ a.data
+ )
+ )
+ |> where(local: true)
+ |> where([a], fragment("(? ->> 'type'::text) = 'Create'", a.data))
+ |> where([_a, o], fragment("?->>'type' = 'Note'", o.data))
+ |> Pleroma.Repo.chunk_stream(100, :batches)
+ |> Stream.each(fn activities ->
+ Enum.each(activities, fn activity ->
+ expires_at =
+ activity.inserted_at
+ |> DateTime.from_naive!("Etc/UTC")
+ |> Timex.shift(days: days)
+
+ Pleroma.Workers.PurgeExpiredActivity.enqueue(%{
+ activity_id: activity.id,
+ expires_at: expires_at
+ })
+ end)
+ end)
+ |> Stream.run()
+ end
+
+ def run(["set_text_search_config", tsconfig]) do
+ start_pleroma()
+ %{rows: [[tsc]]} = Ecto.Adapters.SQL.query!(Pleroma.Repo, "SHOW default_text_search_config;")
+ shell_info("Current default_text_search_config: #{tsc}")
+
+ %{rows: [[db]]} = Ecto.Adapters.SQL.query!(Pleroma.Repo, "SELECT current_database();")
+ shell_info("Update default_text_search_config: #{tsconfig}")
+
+ %{messages: msg} =
+ Ecto.Adapters.SQL.query!(
+ Pleroma.Repo,
+ "ALTER DATABASE #{db} SET default_text_search_config = '#{tsconfig}';"
+ )
+
+ # non-exist config will not raise excpetion but only give >0 messages
+ if length(msg) > 0 do
+ shell_info("Error: #{inspect(msg, pretty: true)}")
+ else
+ rum_enabled = Pleroma.Config.get([:database, :rum_enabled])
+ shell_info("Recreate index, RUM: #{rum_enabled}")
+
+ # Note SQL below needs to be kept up-to-date with latest GIN or RUM index definition in future
+ if rum_enabled do
+ Ecto.Adapters.SQL.query!(
+ Pleroma.Repo,
+ "CREATE OR REPLACE FUNCTION objects_fts_update() RETURNS trigger AS $$ BEGIN
+ new.fts_content := to_tsvector(new.data->>'content');
+ RETURN new;
+ END
+ $$ LANGUAGE plpgsql"
+ )
+
+ shell_info("Refresh RUM index")
+ Ecto.Adapters.SQL.query!(Pleroma.Repo, "UPDATE objects SET updated_at = NOW();")
+ else
+ Ecto.Adapters.SQL.query!(Pleroma.Repo, "DROP INDEX IF EXISTS objects_fts;")
+
+ Ecto.Adapters.SQL.query!(
+ Pleroma.Repo,
+ "CREATE INDEX objects_fts ON objects USING gin(to_tsvector('#{tsconfig}', data->>'content')); "
+ )
+ end
+
+ shell_info('Done.')
+ end
+ end
+
+ # Rolls back a specific migration (leaving subsequent migrations applied).
+ # WARNING: imposes a risk of unrecoverable data loss — proceed at your own responsibility.
+ # Based on https://stackoverflow.com/a/53825840
+ def run(["rollback", version]) do
+ prompt = "SEVERE WARNING: this operation may result in unrecoverable data loss. Continue?"
+
+ if shell_prompt(prompt, "n") in ~w(Yn Y y) do
+ {_, result, _} =
+ Ecto.Migrator.with_repo(Pleroma.Repo, fn repo ->
+ version = String.to_integer(version)
+ re = ~r/^#{version}_.*\.exs/
+ path = Ecto.Migrator.migrations_path(repo)
+
+ with {_, "" <> file} <- {:find, Enum.find(File.ls!(path), &String.match?(&1, re))},
+ {_, [{mod, _} | _]} <- {:compile, Code.compile_file(Path.join(path, file))},
+ {_, :ok} <- {:rollback, Ecto.Migrator.down(repo, version, mod)} do
+ {:ok, "Reversed migration: #{file}"}
+ else
+ {:find, _} -> {:error, "No migration found with version prefix: #{version}"}
+ {:compile, e} -> {:error, "Problem compiling migration module: #{inspect(e)}"}
+ {:rollback, e} -> {:error, "Problem reversing migration: #{inspect(e)}"}
+ end
+ end)
+
+ shell_info(inspect(result))
+ end
+ end
end
projects / akkoma / blobdiff