akkoma/benchmarks/load_testing/activities.ex
2020-07-06 09:30:42 +03:00

596 lines
17 KiB
Elixir

defmodule Pleroma.LoadTesting.Activities do
@moduledoc """
Module for generating different activities.
"""
import Ecto.Query
import Pleroma.LoadTesting.Helper, only: [to_sec: 1]
alias Ecto.UUID
alias Pleroma.Constants
alias Pleroma.LoadTesting.Users
alias Pleroma.Repo
alias Pleroma.Web.CommonAPI
require Constants
@defaults [
iterations: 170,
friends_used: 20,
non_friends_used: 20
]
@max_concurrency 10
@visibility ~w(public private direct unlisted)
@types [
:simple,
:simple_filtered,
:emoji,
:mentions,
:hell_thread,
:attachment,
:tag,
:like,
:reblog,
:simple_thread
]
@groups [:friends_local, :friends_remote, :non_friends_local, :non_friends_local]
@remote_groups [:friends_remote, :non_friends_remote]
@friends_groups [:friends_local, :friends_remote]
@non_friends_groups [:non_friends_local, :non_friends_remote]
@spec generate(User.t(), keyword()) :: :ok
def generate(user, opts \\ []) do
{:ok, _} =
Agent.start_link(fn -> %{} end,
name: :benchmark_state
)
opts = Keyword.merge(@defaults, opts)
users = Users.prepare_users(user, opts)
{:ok, _} = Agent.start_link(fn -> users[:non_friends_remote] end, name: :non_friends_remote)
task_data =
for visibility <- @visibility,
type <- @types,
group <- [:user | @groups],
do: {visibility, type, group}
IO.puts("Starting generating #{opts[:iterations]} iterations of activities...")
public_long_thread = fn ->
generate_long_thread("public", users, opts)
end
private_long_thread = fn ->
generate_long_thread("private", users, opts)
end
iterations = opts[:iterations]
{time, _} =
:timer.tc(fn ->
Enum.each(
1..iterations,
fn
i when i == iterations - 2 ->
spawn(public_long_thread)
spawn(private_long_thread)
generate_activities(users, Enum.shuffle(task_data), opts)
_ ->
generate_activities(users, Enum.shuffle(task_data), opts)
end
)
end)
IO.puts("Generating iterations of activities took #{to_sec(time)} sec.\n")
:ok
end
def generate_power_intervals(opts \\ []) do
count = Keyword.get(opts, :count, 20)
power = Keyword.get(opts, :power, 2)
IO.puts("Generating #{count} intervals for a power #{power} series...")
counts = Enum.map(1..count, fn n -> :math.pow(n, power) end)
sum = Enum.sum(counts)
densities =
Enum.map(counts, fn c ->
c / sum
end)
densities
|> Enum.reduce(0, fn density, acc ->
if acc == 0 do
[{0, density}]
else
[{_, lower} | _] = acc
[{lower, lower + density} | acc]
end
end)
|> Enum.reverse()
end
def generate_tagged_activities(opts \\ []) do
tag_count = Keyword.get(opts, :tag_count, 20)
users = Keyword.get(opts, :users, Repo.all(Pleroma.User))
activity_count = Keyword.get(opts, :count, 200_000)
intervals = generate_power_intervals(count: tag_count)
IO.puts(
"Generating #{activity_count} activities using #{tag_count} different tags of format `tag_n`, starting at tag_0"
)
Enum.each(1..activity_count, fn _ ->
random = :rand.uniform()
i = Enum.find_index(intervals, fn {lower, upper} -> lower <= random && upper > random end)
CommonAPI.post(Enum.random(users), %{status: "a post with the tag #tag_#{i}"})
end)
end
defp generate_long_thread(visibility, users, _opts) do
group =
if visibility == "public",
do: :friends_local,
else: :user
tasks = get_reply_tasks(visibility, group) |> Stream.cycle() |> Enum.take(50)
{:ok, activity} =
CommonAPI.post(users[:user], %{
status: "Start of #{visibility} long thread",
visibility: visibility
})
Agent.update(:benchmark_state, fn state ->
key =
if visibility == "public",
do: :public_thread,
else: :private_thread
Map.put(state, key, activity)
end)
acc = {activity.id, ["@" <> users[:user].nickname, "reply to long thread"]}
insert_replies_for_long_thread(tasks, visibility, users, acc)
IO.puts("Generating #{visibility} long thread ended\n")
end
defp insert_replies_for_long_thread(tasks, visibility, users, acc) do
Enum.reduce(tasks, acc, fn
:user, {id, data} ->
user = users[:user]
insert_reply(user, List.delete(data, "@" <> user.nickname), id, visibility)
group, {id, data} ->
replier = Enum.random(users[group])
insert_reply(replier, List.delete(data, "@" <> replier.nickname), id, visibility)
end)
end
defp generate_activities(users, task_data, opts) do
Task.async_stream(
task_data,
fn {visibility, type, group} ->
insert_activity(type, visibility, group, users, opts)
end,
max_concurrency: @max_concurrency,
timeout: 30_000
)
|> Stream.run()
end
defp insert_local_activity(visibility, group, users, status) do
{:ok, _} =
group
|> get_actor(users)
|> CommonAPI.post(%{status: status, visibility: visibility})
end
defp insert_remote_activity(visibility, group, users, status) do
actor = get_actor(group, users)
{act_data, obj_data} = prepare_activity_data(actor, visibility, users[:user])
{activity_data, object_data} = other_data(actor, status)
activity_data
|> Map.merge(act_data)
|> Map.put("object", Map.merge(object_data, obj_data))
|> Pleroma.Web.ActivityPub.ActivityPub.insert(false)
end
defp user_mentions(users) do
user_mentions =
Enum.reduce(
@groups,
[],
fn group, acc ->
acc ++ get_random_mentions(users[group], Enum.random(0..2))
end
)
if Enum.random([true, false]),
do: ["@" <> users[:user].nickname | user_mentions],
else: user_mentions
end
defp hell_thread_mentions(users) do
with {:ok, nil} <- Cachex.get(:user_cache, "hell_thread_mentions") do
cached =
@groups
|> Enum.reduce([users[:user]], fn group, acc ->
acc ++ Enum.take(users[group], 5)
end)
|> Enum.map(&"@#{&1.nickname}")
|> Enum.join(", ")
Cachex.put(:user_cache, "hell_thread_mentions", cached)
cached
else
{:ok, cached} -> cached
end
end
defp insert_activity(:simple, visibility, group, users, _opts)
when group in @remote_groups do
insert_remote_activity(visibility, group, users, "Remote status")
end
defp insert_activity(:simple, visibility, group, users, _opts) do
insert_local_activity(visibility, group, users, "Simple status")
end
defp insert_activity(:simple_filtered, visibility, group, users, _opts)
when group in @remote_groups do
insert_remote_activity(visibility, group, users, "Remote status which must be filtered")
end
defp insert_activity(:simple_filtered, visibility, group, users, _opts) do
insert_local_activity(visibility, group, users, "Simple status which must be filtered")
end
defp insert_activity(:emoji, visibility, group, users, _opts)
when group in @remote_groups do
insert_remote_activity(visibility, group, users, "Remote status with emoji :firefox:")
end
defp insert_activity(:emoji, visibility, group, users, _opts) do
insert_local_activity(visibility, group, users, "Simple status with emoji :firefox:")
end
defp insert_activity(:mentions, visibility, group, users, _opts)
when group in @remote_groups do
mentions = user_mentions(users)
status = Enum.join(mentions, ", ") <> " remote status with mentions"
insert_remote_activity(visibility, group, users, status)
end
defp insert_activity(:mentions, visibility, group, users, _opts) do
mentions = user_mentions(users)
status = Enum.join(mentions, ", ") <> " simple status with mentions"
insert_remote_activity(visibility, group, users, status)
end
defp insert_activity(:hell_thread, visibility, group, users, _)
when group in @remote_groups do
mentions = hell_thread_mentions(users)
insert_remote_activity(visibility, group, users, mentions <> " remote hell thread status")
end
defp insert_activity(:hell_thread, visibility, group, users, _opts) do
mentions = hell_thread_mentions(users)
insert_local_activity(visibility, group, users, mentions <> " hell thread status")
end
defp insert_activity(:attachment, visibility, group, users, _opts) do
actor = get_actor(group, users)
obj_data = %{
"actor" => actor.ap_id,
"name" => "4467-11.jpg",
"type" => "Document",
"url" => [
%{
"href" =>
"#{Pleroma.Web.base_url()}/media/b1b873552422a07bf53af01f3c231c841db4dfc42c35efde681abaf0f2a4eab7.jpg",
"mediaType" => "image/jpeg",
"type" => "Link"
}
]
}
object = Repo.insert!(%Pleroma.Object{data: obj_data})
{:ok, _activity} =
CommonAPI.post(actor, %{
status: "Post with attachment",
visibility: visibility,
media_ids: [object.id]
})
end
defp insert_activity(:tag, visibility, group, users, _opts) do
insert_local_activity(visibility, group, users, "Status with #tag")
end
defp insert_activity(:like, visibility, group, users, opts) do
actor = get_actor(group, users)
with activity_id when not is_nil(activity_id) <- get_random_create_activity_id(),
{:ok, _activity} <- CommonAPI.favorite(actor, activity_id) do
:ok
else
{:error, _} ->
insert_activity(:like, visibility, group, users, opts)
nil ->
Process.sleep(15)
insert_activity(:like, visibility, group, users, opts)
end
end
defp insert_activity(:reblog, visibility, group, users, opts) do
actor = get_actor(group, users)
with activity_id when not is_nil(activity_id) <- get_random_create_activity_id(),
{:ok, _activity} <- CommonAPI.repeat(activity_id, actor) do
:ok
else
{:error, _} ->
insert_activity(:reblog, visibility, group, users, opts)
nil ->
Process.sleep(15)
insert_activity(:reblog, visibility, group, users, opts)
end
end
defp insert_activity(:simple_thread, "direct", group, users, _opts) do
actor = get_actor(group, users)
tasks = get_reply_tasks("direct", group)
list =
case group do
:user ->
group = Enum.random(@friends_groups)
Enum.take(users[group], 3)
_ ->
Enum.take(users[group], 3)
end
data = Enum.map(list, &("@" <> &1.nickname))
{:ok, activity} =
CommonAPI.post(actor, %{
status: Enum.join(data, ", ") <> "simple status",
visibility: "direct"
})
acc = {activity.id, ["@" <> users[:user].nickname | data] ++ ["reply to status"]}
insert_direct_replies(tasks, users[:user], list, acc)
end
defp insert_activity(:simple_thread, visibility, group, users, _opts) do
actor = get_actor(group, users)
tasks = get_reply_tasks(visibility, group)
{:ok, activity} =
CommonAPI.post(users[:user], %{status: "Simple status", visibility: visibility})
acc = {activity.id, ["@" <> actor.nickname, "reply to status"]}
insert_replies(tasks, visibility, users, acc)
end
defp get_actor(:user, %{user: user}), do: user
defp get_actor(group, users), do: Enum.random(users[group])
defp other_data(actor, content) do
%{host: host} = URI.parse(actor.ap_id)
datetime = DateTime.utc_now()
context_id = "https://#{host}/contexts/#{UUID.generate()}"
activity_id = "https://#{host}/activities/#{UUID.generate()}"
object_id = "https://#{host}/objects/#{UUID.generate()}"
activity_data = %{
"actor" => actor.ap_id,
"context" => context_id,
"id" => activity_id,
"published" => datetime,
"type" => "Create",
"directMessage" => false
}
object_data = %{
"actor" => actor.ap_id,
"attachment" => [],
"attributedTo" => actor.ap_id,
"bcc" => [],
"bto" => [],
"content" => content,
"context" => context_id,
"conversation" => context_id,
"emoji" => %{},
"id" => object_id,
"published" => datetime,
"sensitive" => false,
"summary" => "",
"tag" => [],
"to" => ["https://www.w3.org/ns/activitystreams#Public"],
"type" => "Note"
}
{activity_data, object_data}
end
defp prepare_activity_data(actor, "public", _mention) do
obj_data = %{
"cc" => [actor.follower_address],
"to" => [Constants.as_public()]
}
act_data = %{
"cc" => [actor.follower_address],
"to" => [Constants.as_public()]
}
{act_data, obj_data}
end
defp prepare_activity_data(actor, "private", _mention) do
obj_data = %{
"cc" => [],
"to" => [actor.follower_address]
}
act_data = %{
"cc" => [],
"to" => [actor.follower_address]
}
{act_data, obj_data}
end
defp prepare_activity_data(actor, "unlisted", _mention) do
obj_data = %{
"cc" => [Constants.as_public()],
"to" => [actor.follower_address]
}
act_data = %{
"cc" => [Constants.as_public()],
"to" => [actor.follower_address]
}
{act_data, obj_data}
end
defp prepare_activity_data(_actor, "direct", mention) do
%{host: mentioned_host} = URI.parse(mention.ap_id)
obj_data = %{
"cc" => [],
"content" =>
"<span class=\"h-card\"><a class=\"u-url mention\" href=\"#{mention.ap_id}\" rel=\"ugc\">@<span>#{
mention.nickname
}</span></a></span> direct message",
"tag" => [
%{
"href" => mention.ap_id,
"name" => "@#{mention.nickname}@#{mentioned_host}",
"type" => "Mention"
}
],
"to" => [mention.ap_id]
}
act_data = %{
"cc" => [],
"directMessage" => true,
"to" => [mention.ap_id]
}
{act_data, obj_data}
end
defp get_reply_tasks("public", :user) do
[:friends_local, :friends_remote, :non_friends_local, :non_friends_remote, :user]
end
defp get_reply_tasks("public", group) when group in @friends_groups do
[:non_friends_local, :non_friends_remote, :user, :friends_local, :friends_remote]
end
defp get_reply_tasks("public", group) when group in @non_friends_groups do
[:user, :friends_local, :friends_remote, :non_friends_local, :non_friends_remote]
end
defp get_reply_tasks(visibility, :user) when visibility in ["unlisted", "private"] do
[:friends_local, :friends_remote, :user, :friends_local, :friends_remote]
end
defp get_reply_tasks(visibility, group)
when visibility in ["unlisted", "private"] and group in @friends_groups do
[:user, :friends_remote, :friends_local, :user]
end
defp get_reply_tasks(visibility, group)
when visibility in ["unlisted", "private"] and
group in @non_friends_groups,
do: []
defp get_reply_tasks("direct", :user), do: [:friends_local, :user, :friends_remote]
defp get_reply_tasks("direct", group) when group in @friends_groups,
do: [:user, group, :user]
defp get_reply_tasks("direct", group) when group in @non_friends_groups do
[:user, :non_friends_remote, :user, :non_friends_local]
end
defp insert_replies(tasks, visibility, users, acc) do
Enum.reduce(tasks, acc, fn
:user, {id, data} ->
insert_reply(users[:user], data, id, visibility)
group, {id, data} ->
replier = Enum.random(users[group])
insert_reply(replier, data, id, visibility)
end)
end
defp insert_direct_replies(tasks, user, list, acc) do
Enum.reduce(tasks, acc, fn
:user, {id, data} ->
{reply_id, _} = insert_reply(user, List.delete(data, "@" <> user.nickname), id, "direct")
{reply_id, data}
_, {id, data} ->
actor = Enum.random(list)
{reply_id, _} =
insert_reply(actor, List.delete(data, "@" <> actor.nickname), id, "direct")
{reply_id, data}
end)
end
defp insert_reply(actor, data, activity_id, visibility) do
{:ok, reply} =
CommonAPI.post(actor, %{
status: Enum.join(data, ", "),
visibility: visibility,
in_reply_to_status_id: activity_id
})
{reply.id, ["@" <> actor.nickname | data]}
end
defp get_random_mentions(_users, count) when count == 0, do: []
defp get_random_mentions(users, count) do
users
|> Enum.shuffle()
|> Enum.take(count)
|> Enum.map(&"@#{&1.nickname}")
end
defp get_random_create_activity_id do
Repo.one(
from(a in Pleroma.Activity,
where: fragment("(?)->>'type' = ?", a.data, ^"Create"),
order_by: fragment("RANDOM()"),
limit: 1,
select: a.id
)
)
end
end