Browse Source

Fix performance on instances list in admin UI (#15282)

- Reduce duplicate queries
- Remove n+1 queries
- Add accounts count to detailed view
- Add separate action log entry for updating existing domain blocks
feature_cybrespace_locale
Eugen Rochko 8 months ago
committed by GitHub
parent
commit
216b85b053
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
  1. 1
      Gemfile
  2. 4
      Gemfile.lock
  3. 5
      app/controllers/admin/domain_blocks_controller.rb
  4. 44
      app/controllers/admin/instances_controller.rb
  5. 2
      app/controllers/api/v1/instances/peers_controller.rb
  6. 6
      app/models/account.rb
  7. 13
      app/models/concerns/domain_materializable.rb
  8. 1
      app/models/domain_allow.rb
  9. 1
      app/models/domain_block.rb
  10. 63
      app/models/instance.rb
  11. 31
      app/models/instance_filter.rb
  12. 2
      app/models/unavailable_domain.rb
  13. 4
      app/policies/domain_block_policy.rb
  14. 2
      app/presenters/instance_presenter.rb
  15. 25
      app/views/admin/instances/_instance.html.haml
  16. 36
      app/views/admin/instances/index.html.haml
  17. 50
      app/views/admin/instances/show.html.haml
  18. 11
      app/workers/scheduler/instance_refresh_scheduler.rb
  19. 101
      config/brakeman.ignore
  20. 3
      config/locales/en.yml
  21. 3
      config/sidekiq.yml
  22. 9
      db/migrate/20201206004238_create_instances.rb
  23. 27
      db/schema.rb
  24. 17
      db/views/instances_v01.sql
  25. 4
      lib/mastodon/domains_cli.rb
  26. 6
      spec/controllers/admin/instances_controller_spec.rb
  27. 21
      spec/models/account_spec.rb

1
Gemfile

@ -82,6 +82,7 @@ gem 'mario-redis-lock', '~> 1.2', require: 'redis_lock'
gem 'rqrcode', '~> 1.1'
gem 'ruby-progressbar', '~> 1.10'
gem 'sanitize', '~> 5.2'
gem 'scenic', '~> 1.5'
gem 'sidekiq', '~> 6.1'
gem 'sidekiq-scheduler', '~> 3.0'
gem 'sidekiq-unique-jobs', '~> 6.0'

4
Gemfile.lock

@ -561,6 +561,9 @@ GEM
crass (~> 1.0.2)
nokogiri (>= 1.8.0)
nokogumbo (~> 2.0)
scenic (1.5.4)
activerecord (>= 4.0.0)
railties (>= 4.0.0)
securecompare (1.0.0)
semantic_range (2.3.0)
sidekiq (6.1.2)
@ -782,6 +785,7 @@ DEPENDENCIES
rubocop-rails (~> 2.8)
ruby-progressbar (~> 1.10)
sanitize (~> 5.2)
scenic (~> 1.5)
sidekiq (~> 6.1)
sidekiq-bulk (~> 0.2.0)
sidekiq-scheduler (~> 3.0)

5
app/controllers/admin/domain_blocks_controller.rb

@ -29,6 +29,7 @@ module Admin
@domain_block = existing_domain_block
@domain_block.update(resource_params)
end
if @domain_block.save
DomainBlockWorker.perform_async(@domain_block.id)
log_action :create, @domain_block
@ -40,7 +41,7 @@ module Admin
end
def update
authorize :domain_block, :create?
authorize :domain_block, :update?
@domain_block.update(update_params)
@ -48,7 +49,7 @@ module Admin
if @domain_block.save
DomainBlockWorker.perform_async(@domain_block.id, severity_changed)
log_action :create, @domain_block
log_action :update, @domain_block
redirect_to admin_instances_path(limited: '1'), notice: I18n.t('admin.domain_blocks.created_msg')
else
render :edit

44
app/controllers/admin/instances_controller.rb

@ -2,65 +2,31 @@
module Admin
class InstancesController < BaseController
before_action :set_domain_block, only: :show
before_action :set_domain_allow, only: :show
before_action :set_instances, only: :index
before_action :set_instance, only: :show
def index
authorize :instance, :index?
@instances = ordered_instances
end
def show
authorize :instance, :show?
@following_count = Follow.where(account: Account.where(domain: params[:id])).count
@followers_count = Follow.where(target_account: Account.where(domain: params[:id])).count
@reports_count = Report.where(target_account: Account.where(domain: params[:id])).count
@blocks_count = Block.where(target_account: Account.where(domain: params[:id])).count
@available = DeliveryFailureTracker.available?(params[:id])
@media_storage = MediaAttachment.where(account: Account.where(domain: params[:id])).sum(:file_file_size)
@private_comment = @domain_block&.private_comment
@public_comment = @domain_block&.public_comment
end
private
def set_domain_block
@domain_block = DomainBlock.rule_for(params[:id])
end
def set_domain_allow
@domain_allow = DomainAllow.rule_for(params[:id])
end
def set_instance
resource = Account.by_domain_accounts.find_by(domain: params[:id])
resource ||= @domain_block
resource ||= @domain_allow
@instance = Instance.find(params[:id])
end
if resource
@instance = Instance.new(resource)
else
not_found
end
def set_instances
@instances = filtered_instances.page(params[:page])
end
def filtered_instances
InstanceFilter.new(whitelist_mode? ? { allowed: true } : filter_params).results
end
def paginated_instances
filtered_instances.page(params[:page])
end
helper_method :paginated_instances
def ordered_instances
paginated_instances.map { |resource| Instance.new(resource) }
end
def filter_params
params.slice(*InstanceFilter::KEYS).permit(*InstanceFilter::KEYS)
end

2
app/controllers/api/v1/instances/peers_controller.rb

@ -8,7 +8,7 @@ class Api::V1::Instances::PeersController < Api::BaseController
def index
expires_in 1.day, public: true
render_with_cache(expires_in: 1.day) { Account.remote.domains }
render_with_cache(expires_in: 1.day) { Instance.where.not(domain: DomainBlock.select(:domain)).pluck(:domain) }
end
private

6
app/models/account.rb

@ -67,6 +67,7 @@ class Account < ApplicationRecord
include Paginable
include AccountCounters
include DomainNormalizable
include DomainMaterializable
include AccountMerging
TRUST_LEVELS = {
@ -103,7 +104,6 @@ class Account < ApplicationRecord
scope :bots, -> { where(actor_type: %w(Application Service)) }
scope :groups, -> { where(actor_type: 'Group') }
scope :alphabetic, -> { order(domain: :asc, username: :asc) }
scope :by_domain_accounts, -> { group(:domain).select(:domain, 'COUNT(*) AS accounts_count').order('accounts_count desc') }
scope :matches_username, ->(value) { where(arel_table[:username].matches("#{value}%")) }
scope :matches_display_name, ->(value) { where(arel_table[:display_name].matches("#{value}%")) }
scope :matches_domain, ->(value) { where(arel_table[:domain].matches("%#{value}%")) }
@ -438,10 +438,6 @@ class Account < ApplicationRecord
super - %w(statuses_count following_count followers_count)
end
def domains
reorder(nil).pluck(Arel.sql('distinct accounts.domain'))
end
def inboxes
urls = reorder(nil).where(protocol: :activitypub).group(:preferred_inbox_url).pluck(Arel.sql("coalesce(nullif(accounts.shared_inbox_url, ''), accounts.inbox_url) AS preferred_inbox_url"))
DeliveryFailureTracker.without_unavailable(urls)

13
app/models/concerns/domain_materializable.rb

@ -0,0 +1,13 @@
# frozen_string_literal: true
module DomainMaterializable
extend ActiveSupport::Concern
included do
after_create_commit :refresh_instances_view
end
def refresh_instances_view
Instance.refresh unless domain.nil? || Instance.where(domain: domain).exists?
end
end

1
app/models/domain_allow.rb

@ -12,6 +12,7 @@
class DomainAllow < ApplicationRecord
include DomainNormalizable
include DomainMaterializable
validates :domain, presence: true, uniqueness: true, domain: true

1
app/models/domain_block.rb

@ -16,6 +16,7 @@
class DomainBlock < ApplicationRecord
include DomainNormalizable
include DomainMaterializable
enum severity: [:silence, :suspend, :noop]

63
app/models/instance.rb

@ -1,26 +1,63 @@
# frozen_string_literal: true
# == Schema Information
#
# Table name: instances
#
# domain :string primary key
# accounts_count :bigint(8)
#
class Instance
include ActiveModel::Model
class Instance < ApplicationRecord
self.primary_key = :domain
attr_accessor :domain, :accounts_count, :domain_block
has_many :accounts, foreign_key: :domain, primary_key: :domain
def initialize(resource)
@domain = resource.domain
@accounts_count = resource.respond_to?(:accounts_count) ? resource.accounts_count : nil
@domain_block = resource.is_a?(DomainBlock) ? resource : DomainBlock.rule_for(domain)
@domain_allow = resource.is_a?(DomainAllow) ? resource : DomainAllow.rule_for(domain)
belongs_to :domain_block, foreign_key: :domain, primary_key: :domain
belongs_to :domain_allow, foreign_key: :domain, primary_key: :domain
scope :matches_domain, ->(value) { where(arel_table[:domain].matches("%#{value}%")) }
def self.refresh
Scenic.database.refresh_materialized_view(table_name, concurrently: true, cascade: false)
end
def countable?
@accounts_count.present?
def readonly?
true
end
def to_param
domain
def delivery_failure_tracker
@delivery_failure_tracker ||= DeliveryFailureTracker.new(domain)
end
def following_count
@following_count ||= Follow.where(account: accounts).count
end
def followers_count
@followers_count ||= Follow.where(target_account: accounts).count
end
def reports_count
@reports_count ||= Report.where(target_account: accounts).count
end
def cache_key
def blocks_count
@blocks_count ||= Block.where(target_account: accounts).count
end
def public_comment
domain_block&.public_comment
end
def private_comment
domain_block&.private_comment
end
def media_storage
@media_storage ||= MediaAttachment.where(account: accounts).sum(:file_file_size)
end
def to_param
domain
end
end

31
app/models/instance_filter.rb

@ -13,18 +13,27 @@ class InstanceFilter
end
def results
if params[:limited].present?
scope = DomainBlock
scope = scope.matches_domain(params[:by_domain]) if params[:by_domain].present?
scope.order(id: :desc)
elsif params[:allowed].present?
scope = DomainAllow
scope = scope.matches_domain(params[:by_domain]) if params[:by_domain].present?
scope.order(id: :desc)
scope = Instance.includes(:domain_block, :domain_allow).order(accounts_count: :desc)
params.each do |key, value|
scope.merge!(scope_for(key, value.to_s.strip)) if value.present?
end
scope
end
private
def scope_for(key, value)
case key.to_s
when 'limited'
Instance.joins(:domain_block).reorder(Arel.sql('domain_blocks.id desc'))
when 'allowed'
Instance.joins(:domain_allow).reorder(Arel.sql('domain_allows.id desc'))
when 'by_domain'
Instance.matches_domain(value)
else
scope = Account.remote
scope = scope.matches_domain(params[:by_domain]) if params[:by_domain].present?
scope.by_domain_accounts
raise "Unknown filter: #{key}"
end
end
end

2
app/models/unavailable_domain.rb

@ -12,6 +12,8 @@
class UnavailableDomain < ApplicationRecord
include DomainNormalizable
validates :domain, presence: true, uniqueness: true
after_commit :reset_cache!
private

4
app/policies/domain_block_policy.rb

@ -13,6 +13,10 @@ class DomainBlockPolicy < ApplicationPolicy
admin?
end
def update?
admin?
end
def destroy?
admin?
end

2
app/presenters/instance_presenter.rb

@ -29,7 +29,7 @@ class InstancePresenter
end
def domain_count
Rails.cache.fetch('distinct_domain_count') { Account.distinct.count(:domain) }
Rails.cache.fetch('distinct_domain_count') { Instance.count }
end
def sample_accounts

25
app/views/admin/instances/_instance.html.haml

@ -0,0 +1,25 @@
.directory__tag
= link_to admin_instance_path(instance) do
%h4
= instance.domain
%small
- if instance.domain_block
- first_item = true
- if !instance.domain_block.noop?
= t("admin.domain_blocks.severity.#{instance.domain_block.severity}")
- first_item = false
- unless instance.domain_block.suspend?
- if instance.domain_block.reject_media?
- unless first_item
&bull;
= t('admin.domain_blocks.rejecting_media')
- first_item = false
- if instance.domain_block.reject_reports?
- unless first_item
&bull;
= t('admin.domain_blocks.rejecting_reports')
- elsif whitelist_mode?
= t('admin.accounts.whitelisted')
- else
= t('admin.accounts.no_limits_imposed')
.trends__item__current{ title: t('admin.instances.known_accounts', count: instance.accounts_count) }= number_to_human instance.accounts_count, strip_insignificant_zeros: true

36
app/views/admin/instances/index.html.haml

@ -32,32 +32,10 @@
%hr.spacer/
- @instances.each do |instance|
.directory__tag
= link_to admin_instance_path(instance) do
%h4
= instance.domain
%small
- if instance.domain_block
- first_item = true
- if !instance.domain_block.noop?
= t("admin.domain_blocks.severity.#{instance.domain_block.severity}")
- first_item = false
- unless instance.domain_block.suspend?
- if instance.domain_block.reject_media?
- unless first_item
&bull;
= t('admin.domain_blocks.rejecting_media')
- first_item = false
- if instance.domain_block.reject_reports?
- unless first_item
&bull;
= t('admin.domain_blocks.rejecting_reports')
- elsif whitelist_mode?
= t('admin.accounts.whitelisted')
- else
= t('admin.accounts.no_limits_imposed')
- if instance.countable?
.trends__item__current{ title: t('admin.instances.known_accounts', count: instance.accounts_count) }= number_to_human instance.accounts_count, strip_insignificant_zeros: true
= paginate paginated_instances
- if @instances.empty?
%div.muted-hint.center-text
= t 'admin.instances.empty'
- else
= render @instances
= paginate @instances

50
app/views/admin/instances/show.html.haml

@ -2,58 +2,60 @@
= @instance.domain
.dashboard__counters
%div
= link_to admin_accounts_path(remote: '1', by_domain: @instance.domain) do
.dashboard__counters__num= number_with_delimiter @instance.accounts_count
.dashboard__counters__label= t 'admin.accounts.title'
%div
= link_to admin_reports_path(by_target_domain: @instance.domain) do
.dashboard__counters__num= number_with_delimiter @instance.reports_count
.dashboard__counters__label= t 'admin.instances.total_reported'
%div
%div
.dashboard__counters__num= number_with_delimiter @following_count
.dashboard__counters__label= t 'admin.instances.total_followed_by_them'
.dashboard__counters__num= number_to_human_size @instance.media_storage
.dashboard__counters__label= t 'admin.instances.total_storage'
%div
%div
.dashboard__counters__num= number_with_delimiter @followers_count
.dashboard__counters__label= t 'admin.instances.total_followed_by_us'
.dashboard__counters__num= number_with_delimiter @instance.following_count
.dashboard__counters__label= t 'admin.instances.total_followed_by_them'
%div
%div
.dashboard__counters__num= number_to_human_size @media_storage
.dashboard__counters__label= t 'admin.instances.total_storage'
.dashboard__counters__num= number_with_delimiter @instance.followers_count
.dashboard__counters__label= t 'admin.instances.total_followed_by_us'
%div
%div
.dashboard__counters__num= number_with_delimiter @blocks_count
.dashboard__counters__num= number_with_delimiter @instance.blocks_count
.dashboard__counters__label= t 'admin.instances.total_blocked_by_us'
%div
= link_to admin_reports_path(by_target_domain: @instance.domain) do
.dashboard__counters__num= number_with_delimiter @reports_count
.dashboard__counters__label= t 'admin.instances.total_reported'
%div
%div
.dashboard__counters__num
- if @available
- if @instance.delivery_failure_tracker.available?
= fa_icon 'check'
- else
= fa_icon 'times'
.dashboard__counters__label= t 'admin.instances.delivery_available'
- if @private_comment.present?
- if @instance.private_comment.present?
.speech-bubble
.speech-bubble__bubble
= simple_format(h(@private_comment))
= simple_format(h(@instance.private_comment))
.speech-bubble__owner= t 'admin.instances.private_comment'
- if @public_comment.present?
- if @instance.public_comment.present?
.speech-bubble
.speech-bubble__bubble
= simple_format(h(@public_comment))
= simple_format(h(@instance.public_comment))
.speech-bubble__owner= t 'admin.instances.public_comment'
%hr.spacer/
%div.action-buttons
%div
= link_to t('admin.accounts.title'), admin_accounts_path(remote: '1', by_domain: @instance.domain), class: 'button'
%div
- if @domain_allow
= link_to t('admin.domain_allows.undo'), admin_domain_allow_path(@domain_allow), class: 'button button--destructive', data: { confirm: t('admin.accounts.are_you_sure'), method: :delete }
- elsif @domain_block
= link_to t('admin.domain_blocks.edit'), edit_admin_domain_block_path(@domain_block), class: 'button'
= link_to t('admin.domain_blocks.undo'), admin_domain_block_path(@domain_block), class: 'button'
- if @instance.domain_allow
= link_to t('admin.domain_allows.undo'), admin_domain_allow_path(@instance.domain_allow), class: 'button button--destructive', data: { confirm: t('admin.accounts.are_you_sure'), method: :delete }
- elsif @instance.domain_block
= link_to t('admin.domain_blocks.edit'), edit_admin_domain_block_path(@instance.domain_block), class: 'button'
= link_to t('admin.domain_blocks.undo'), admin_domain_block_path(@instance.domain_block), class: 'button'
- else
= link_to t('admin.domain_blocks.add_new'), new_admin_domain_block_path(_domain: @instance.domain), class: 'button'

11
app/workers/scheduler/instance_refresh_scheduler.rb

@ -0,0 +1,11 @@
# frozen_string_literal: true
class Scheduler::InstanceRefreshScheduler
include Sidekiq::Worker
sidekiq_options lock: :until_executed, retry: 0
def perform
Instance.refresh
end
end

101
config/brakeman.ignore

@ -102,6 +102,37 @@
"confidence": "Weak",
"note": ""
},
{
"warning_type": "Dynamic Render Path",
"warning_code": 15,
"fingerprint": "4704e8093e3e0561bf705f892e8fc6780419f8255f4440b1c0afd09339bd6446",
"check_name": "Render",
"message": "Render path contains parameter value",
"file": "app/views/admin/instances/index.html.haml",
"line": 39,
"link": "https://brakemanscanner.org/docs/warning_types/dynamic_render_path/",
"code": "render(action => filtered_instances.page(params[:page]), {})",
"render_path": [
{
"type": "controller",
"class": "Admin::InstancesController",
"method": "index",
"line": 10,
"file": "app/controllers/admin/instances_controller.rb",
"rendered": {
"name": "admin/instances/index",
"file": "app/views/admin/instances/index.html.haml"
}
}
],
"location": {
"type": "template",
"template": "admin/instances/index"
},
"user_input": "params[:page]",
"confidence": "Weak",
"note": ""
},
{
"warning_type": "Redirect",
"warning_code": 18,
@ -122,6 +153,26 @@
"confidence": "High",
"note": ""
},
{
"warning_type": "SQL Injection",
"warning_code": 0,
"fingerprint": "6e4051854bb62e2ddbc671f82d6c2328892e1134b8b28105ecba9b0122540714",
"check_name": "SQL",
"message": "Possible SQL injection",
"file": "app/models/account.rb",
"line": 491,
"link": "https://brakemanscanner.org/docs/warning_types/sql_injection/",
"code": "find_by_sql([\" WITH first_degree AS (\\n SELECT target_account_id\\n FROM follows\\n WHERE account_id = ?\\n UNION ALL\\n SELECT ?\\n )\\n SELECT\\n accounts.*,\\n (count(f.id) + 1) * ts_rank_cd(#{textsearch}, #{query}, 32) AS rank\\n FROM accounts\\n LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = ?)\\n WHERE accounts.id IN (SELECT * FROM first_degree)\\n AND #{query} @@ #{textsearch}\\n AND accounts.suspended_at IS NULL\\n AND accounts.moved_to_account_id IS NULL\\n GROUP BY accounts.id\\n ORDER BY rank DESC\\n LIMIT ? OFFSET ?\\n\".squish, account.id, account.id, account.id, limit, offset])",
"render_path": null,
"location": {
"type": "method",
"class": "Account",
"method": "advanced_search_for"
},
"user_input": "textsearch",
"confidence": "Medium",
"note": ""
},
{
"warning_type": "SQL Injection",
"warning_code": 0,
@ -163,23 +214,23 @@
"note": ""
},
{
"warning_type": "Mass Assignment",
"warning_code": 105,
"fingerprint": "8f63dec68951d9bcf7eddb15af9392b2e1333003089c41fb76688dfd3579f394",
"check_name": "PermitAttributes",
"message": "Potentially dangerous key allowed for mass assignment",
"file": "app/controllers/api/v1/crypto/deliveries_controller.rb",
"line": 23,
"link": "https://brakemanscanner.org/docs/warning_types/mass_assignment/",
"code": "params.require(:device).permit(:account_id, :device_id, :type, :body, :hmac)",
"warning_type": "SQL Injection",
"warning_code": 0,
"fingerprint": "9251d682c4e2840e1b2fea91e7d758efe2097ecb7f6255c065e3750d25eb178c",
"check_name": "SQL",
"message": "Possible SQL injection",
"file": "app/models/account.rb",
"line": 460,
"link": "https://brakemanscanner.org/docs/warning_types/sql_injection/",
"code": "find_by_sql([\" SELECT\\n accounts.*,\\n ts_rank_cd(#{textsearch}, #{query}, 32) AS rank\\n FROM accounts\\n WHERE #{query} @@ #{textsearch}\\n AND accounts.suspended_at IS NULL\\n AND accounts.moved_to_account_id IS NULL\\n ORDER BY rank DESC\\n LIMIT ? OFFSET ?\\n\".squish, limit, offset])",
"render_path": null,
"location": {
"type": "method",
"class": "Api::V1::Crypto::DeliveriesController",
"method": "resource_params"
"class": "Account",
"method": "search_for"
},
"user_input": ":account_id",
"confidence": "High",
"user_input": "textsearch",
"confidence": "Medium",
"note": ""
},
{
@ -273,6 +324,26 @@
"confidence": "High",
"note": ""
},
{
"warning_type": "SQL Injection",
"warning_code": 0,
"fingerprint": "e21d8fee7a5805761679877ca35ed1029c64c45ef3b4012a30262623e1ba8bb9",
"check_name": "SQL",
"message": "Possible SQL injection",
"file": "app/models/account.rb",
"line": 507,
"link": "https://brakemanscanner.org/docs/warning_types/sql_injection/",
"code": "find_by_sql([\" SELECT\\n accounts.*,\\n (count(f.id) + 1) * ts_rank_cd(#{textsearch}, #{query}, 32) AS rank\\n FROM accounts\\n LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = ?) OR (accounts.id = f.target_account_id AND f.account_id = ?)\\n WHERE #{query} @@ #{textsearch}\\n AND accounts.suspended_at IS NULL\\n AND accounts.moved_to_account_id IS NULL\\n GROUP BY accounts.id\\n ORDER BY rank DESC\\n LIMIT ? OFFSET ?\\n\".squish, account.id, account.id, limit, offset])",
"render_path": null,
"location": {
"type": "method",
"class": "Account",
"method": "advanced_search_for"
},
"user_input": "textsearch",
"confidence": "Medium",
"note": ""
},
{
"warning_type": "Mass Assignment",
"warning_code": 105,
@ -294,6 +365,6 @@
"note": ""
}
],
"updated": "2020-06-01 18:18:02 +0200",
"brakeman_version": "4.8.0"
"updated": "2020-12-07 01:17:13 +0100",
"brakeman_version": "4.10.0"
}

3
config/locales/en.yml

@ -255,6 +255,7 @@ en:
unsuspend_account: Unsuspend Account
update_announcement: Update Announcement
update_custom_emoji: Update Custom Emoji
update_domain_block: Update Domain Block
update_status: Update Status
actions:
assigned_to_self_report: "%{name} assigned report %{target} to themselves"
@ -295,6 +296,7 @@ en:
unsuspend_account: "%{name} unsuspended %{target}'s account"
update_announcement: "%{name} updated announcement %{target}"
update_custom_emoji: "%{name} updated emoji %{target}"
update_domain_block: "%{name} updated domain block for %{target}"
update_status: "%{name} updated status by %{target}"
deleted_status: "(deleted status)"
empty: No logs found.
@ -437,6 +439,7 @@ en:
instances:
by_domain: Domain
delivery_available: Delivery is available
empty: No domains found.
known_accounts:
one: "%{count} known account"
other: "%{count} known accounts"

3
config/sidekiq.yml

@ -36,3 +36,6 @@
pghero_scheduler:
cron: '0 0 * * *'
class: Scheduler::PgheroScheduler
instance_refresh_scheduler:
cron: '0 * * * *'
class: Scheduler::InstanceRefreshScheduler

9
db/migrate/20201206004238_create_instances.rb

@ -0,0 +1,9 @@
class CreateInstances < ActiveRecord::Migration[5.2]
def change
create_view :instances, materialized: true
# To be able to refresh the view concurrently,
# at least one unique index is required
safety_assured { add_index :instances, :domain, unique: true }
end
end

27
db/schema.rb

@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 2020_10_17_234926) do
ActiveRecord::Schema.define(version: 2020_12_06_004238) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@ -1045,4 +1045,29 @@ ActiveRecord::Schema.define(version: 2020_10_17_234926) do
add_foreign_key "web_push_subscriptions", "users", on_delete: :cascade
add_foreign_key "web_settings", "users", name: "fk_11910667b2", on_delete: :cascade
add_foreign_key "webauthn_credentials", "users"
create_view "instances", materialized: true, sql_definition: <<-SQL
WITH domain_counts(domain, accounts_count) AS (
SELECT accounts.domain,
count(*) AS accounts_count
FROM accounts
WHERE (accounts.domain IS NOT NULL)
GROUP BY accounts.domain
)
SELECT domain_counts.domain,
domain_counts.accounts_count
FROM domain_counts
UNION
SELECT domain_blocks.domain,
COALESCE(domain_counts.accounts_count, (0)::bigint) AS accounts_count
FROM (domain_blocks
LEFT JOIN domain_counts ON (((domain_counts.domain)::text = (domain_blocks.domain)::text)))
UNION
SELECT domain_allows.domain,
COALESCE(domain_counts.accounts_count, (0)::bigint) AS accounts_count
FROM (domain_allows
LEFT JOIN domain_counts ON (((domain_counts.domain)::text = (domain_allows.domain)::text)));
SQL
add_index "instances", ["domain"], name: "index_instances_on_domain", unique: true
end

17
db/views/instances_v01.sql

@ -0,0 +1,17 @@
WITH domain_counts(domain, accounts_count)
AS (
SELECT domain, COUNT(*) as accounts_count
FROM accounts
WHERE domain IS NOT NULL
GROUP BY domain
)
SELECT domain, accounts_count
FROM domain_counts
UNION
SELECT domain_blocks.domain, COALESCE(domain_counts.accounts_count, 0)
FROM domain_blocks
LEFT OUTER JOIN domain_counts ON domain_counts.domain = domain_blocks.domain
UNION
SELECT domain_allows.domain, COALESCE(domain_counts.accounts_count, 0)
FROM domain_allows
LEFT OUTER JOIN domain_counts ON domain_counts.domain = domain_allows.domain

4
lib/mastodon/domains_cli.rb

@ -53,6 +53,8 @@ module Mastodon
custom_emojis_count = custom_emojis.count
custom_emojis.destroy_all unless options[:dry_run]
Instance.refresh unless options[:dry_run]
say("Removed #{custom_emojis_count} custom emojis", :green)
end
@ -83,7 +85,7 @@ module Mastodon
processed = Concurrent::AtomicFixnum.new(0)
failed = Concurrent::AtomicFixnum.new(0)
start_at = Time.now.to_f
seed = start ? [start] : Account.remote.domains
seed = start ? [start] : Instance.pluck(:domain)
blocked_domains = Regexp.new('\\.?' + DomainBlock.where(severity: 1).pluck(:domain).join('|') + '$')
progress = create_progress_bar

6
spec/controllers/admin/instances_controller_spec.rb

@ -9,10 +9,10 @@ RSpec.describe Admin::InstancesController, type: :controller do
describe 'GET #index' do
around do |example|
default_per_page = Account.default_per_page
Account.paginates_per 1
default_per_page = Instance.default_per_page
Instance.paginates_per 1
example.run
Account.paginates_per default_per_page
Instance.paginates_per default_per_page
end
it 'renders instances' do

21
spec/models/account_spec.rb

@ -440,13 +440,6 @@ RSpec.describe Account, type: :model do
end
end
describe '.domains' do
it 'returns domains' do
Fabricate(:account, domain: 'domain')
expect(Account.remote.domains).to match_array(['domain'])
end
end
describe '#statuses_count' do
subject { Fabricate(:account) }
@ -737,20 +730,6 @@ RSpec.describe Account, type: :model do
end
end
describe 'by_domain_accounts' do
it 'returns accounts grouped by domain sorted by accounts' do
2.times { Fabricate(:account, domain: 'example.com') }
Fabricate(:account, domain: 'example2.com')
results = Account.where('id > 0').by_domain_accounts
expect(results.length).to eq 2
expect(results.first.domain).to eq 'example.com'
expect(results.first.accounts_count).to eq 2
expect(results.last.domain).to eq 'example2.com'
expect(results.last.accounts_count).to eq 1
end
end
describe 'local' do
it 'returns an array of accounts who do not have a domain' do
account_1 = Fabricate(:account, domain: nil)

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