add options to mix pleroma.database prune_objects to delete more activities
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faried nawaz
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commit
1bf3ae07b6
2 changed files with 625 additions and 27 deletions
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@ -67,43 +67,168 @@ defmodule Mix.Tasks.Pleroma.Database do
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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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vacuum: :boolean,
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keep_threads: :boolean,
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keep_non_public: :boolean,
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prune_orphaned_activities: :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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time_deadline = NaiveDateTime.utc_now() |> NaiveDateTime.add(-(deadline * 86_400))
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Logger.info("Pruning objects older than #{deadline} days")
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log_message = "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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log_message =
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if Keyword.get(options, :keep_non_public) do
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log_message <> ", keeping non public posts"
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else
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log_message
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end
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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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log_message =
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if Keyword.get(options, :keep_threads) do
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log_message <> ", keeping threads intact"
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else
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log_message
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end
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log_message =
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if Keyword.get(options, :prune_orphaned_activities) do
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log_message <> ", pruning orphaned activities"
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else
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log_message
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end
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log_message =
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if Keyword.get(options, :vacuum) do
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log_message <>
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", doing a full vacuum (you shouldn't do this as a recurring maintanance task)"
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else
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log_message
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end
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Logger.info(log_message)
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if Keyword.get(options, :keep_threads) do
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# We want to delete objects from threads where
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# 1. the newest post is still old
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# 2. none of the activities is local
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# 3. none of the activities is bookmarked
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# 4. optionally none of the posts is non-public
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deletable_context =
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if Keyword.get(options, :keep_non_public) do
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Pleroma.Activity
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|> join(:left, [a], b in Pleroma.Bookmark, on: a.id == b.activity_id)
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|> group_by([a], fragment("? ->> 'context'::text", a.data))
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|> having(
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[a],
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not fragment(
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# Posts (checked on Create Activity) is non-public
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"bool_or((not(?->'to' \\? ? OR ?->'cc' \\? ?)) and ? ->> 'type' = 'Create')",
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a.data,
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^Pleroma.Constants.as_public(),
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a.data,
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^Pleroma.Constants.as_public(),
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a.data
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)
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)
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else
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Pleroma.Activity
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|> join(:left, [a], b in Pleroma.Bookmark, on: a.id == b.activity_id)
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|> group_by([a], fragment("? ->> 'context'::text", a.data))
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end
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|> having([a], max(a.updated_at) < ^time_deadline)
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|> having([a], not fragment("bool_or(?)", a.local))
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|> having([_, b], fragment("max(?::text) is null", b.id))
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|> select([a], fragment("? ->> 'context'::text", a.data))
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Pleroma.Object
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|> where([o], fragment("? ->> 'context'::text", o.data) in subquery(deletable_context))
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else
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if Keyword.get(options, :keep_non_public) do
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Pleroma.Object
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|> where(
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[o],
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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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)
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else
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Pleroma.Object
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end
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|> where([o], o.updated_at < ^time_deadline)
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|> where(
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[o],
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fragment("split_part(?->>'actor', '/', 3) != ?", o.data, ^Pleroma.Web.Endpoint.host())
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)
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)
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end
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|> Repo.delete_all(timeout: :infinity)
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prune_hashtags_query = """
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if !Keyword.get(options, :keep_threads) do
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# Without the --keep-threads option, it's possible that bookmarked
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# objects have been deleted. We remove the corresponding bookmarks.
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"""
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delete from public.bookmarks
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where id in (
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select b.id from public.bookmarks b
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left join public.activities a on b.activity_id = a.id
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left join public.objects o on a."data" ->> 'object' = o.data ->> 'id'
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where o.id is null
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)
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"""
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|> Repo.query([], timeout: :infinity)
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end
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if Keyword.get(options, :prune_orphaned_activities) do
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# Prune activities who link to a single object
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"""
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delete from public.activities
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where id in (
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select a.id from public.activities a
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left join public.objects o on a.data ->> 'object' = o.data ->> 'id'
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left join public.activities a2 on a.data ->> 'object' = a2.data ->> 'id'
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left join public.users u on a.data ->> 'object' = u.ap_id
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where not a.local
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and jsonb_typeof(a."data" -> 'object') = 'string'
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and o.id is null
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and a2.id is null
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and u.id is null
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)
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"""
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|> Repo.query([], timeout: :infinity)
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# Prune activities who link to an array of objects
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"""
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delete from public.activities
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where id in (
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select a.id from public.activities a
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join json_array_elements_text((a."data" -> 'object')::json) as j on jsonb_typeof(a."data" -> 'object') = 'array'
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left join public.objects o on j.value = o.data ->> 'id'
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left join public.activities a2 on j.value = a2.data ->> 'id'
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left join public.users u on j.value = u.ap_id
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group by a.id
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having max(o.data ->> 'id') is null
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and max(a2.data ->> 'id') is null
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and max(u.ap_id) is null
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)
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"""
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|> Repo.query([], timeout: :infinity)
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end
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"""
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DELETE FROM hashtags AS ht
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WHERE NOT EXISTS (
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SELECT 1 FROM hashtags_objects hto
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WHERE ht.id = hto.hashtag_id)
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"""
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Repo.query(prune_hashtags_query)
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|> Repo.query()
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if Keyword.get(options, :vacuum) do
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Maintenance.vacuum("full")
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