129 lines
3.4 KiB
Elixir
129 lines
3.4 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Mix.Tasks.Pleroma.Database do
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alias Pleroma.Conversation
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alias Pleroma.Object
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alias Pleroma.Repo
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alias Pleroma.User
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require Logger
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require Pleroma.Constants
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import Mix.Pleroma
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use Mix.Task
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@shortdoc "A collection of database related tasks"
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@moduledoc """
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A collection of database related tasks
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## Replace embedded objects with their references
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Replaces embedded objects with references to them in the `objects` table. Only needs to be ran once. The reason why this is not a migration is because it could significantly increase the database size after being ran, however after this `VACUUM FULL` will be able to reclaim about 20% (really depends on what is in the database, your mileage may vary) of the db size before the migration.
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mix pleroma.database remove_embedded_objects
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Options:
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- `--vacuum` - run `VACUUM FULL` after the embedded objects are replaced with their references
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## Prune old objects from the database
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mix pleroma.database prune_objects
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## Create a conversation for all existing DMs. Can be safely re-run.
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mix pleroma.database bump_all_conversations
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## Remove duplicated items from following and update followers count for all users
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mix pleroma.database update_users_following_followers_counts
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"""
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def run(["remove_embedded_objects" | args]) do
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{options, [], []} =
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OptionParser.parse(
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args,
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strict: [
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vacuum: :boolean
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]
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)
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start_pleroma()
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Logger.info("Removing embedded objects")
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Repo.query!(
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"update activities set data = jsonb_set(data, '{object}'::text[], data->'object'->'id') where data->'object'->>'id' is not null;",
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[],
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timeout: :infinity
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)
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if Keyword.get(options, :vacuum) do
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Logger.info("Runnning VACUUM FULL")
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Repo.query!(
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"vacuum full;",
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[],
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timeout: :infinity
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)
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end
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end
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def run(["bump_all_conversations"]) do
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start_pleroma()
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Conversation.bump_for_all_activities()
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end
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def run(["update_users_following_followers_counts"]) do
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start_pleroma()
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users = Repo.all(User)
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Enum.each(users, &User.remove_duplicated_following/1)
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Enum.each(users, &User.update_follower_count/1)
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end
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def run(["prune_objects" | args]) do
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import Ecto.Query
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{options, [], []} =
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OptionParser.parse(
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args,
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strict: [
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vacuum: :boolean
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]
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)
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start_pleroma()
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deadline = Pleroma.Config.get([:instance, :remote_post_retention_days])
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Logger.info("Pruning objects older than #{deadline} days")
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time_deadline =
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NaiveDateTime.utc_now()
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|> NaiveDateTime.add(-(deadline * 86_400))
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from(o in Object,
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where:
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fragment(
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"?->'to' \\? ? OR ?->'cc' \\? ?",
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o.data,
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^Pleroma.Constants.as_public(),
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o.data,
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^Pleroma.Constants.as_public()
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),
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where: o.inserted_at < ^time_deadline,
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where:
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fragment("split_part(?->>'actor', '/', 3) != ?", o.data, ^Pleroma.Web.Endpoint.host())
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)
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|> Repo.delete_all(timeout: :infinity)
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if Keyword.get(options, :vacuum) do
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Logger.info("Runnning VACUUM FULL")
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Repo.query!(
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"vacuum full;",
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[],
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timeout: :infinity
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)
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end
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end
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end
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