Merge branch 'list-multiple-clusters' into multiple-clusters-single-list

114 files changed, 408 insertions, 262 deletions

diff --git a/app/assets/javascripts/dispatcher.js b/app/assets/javascripts/dispatcher.js
index 7793140e608..1eab5e5c81e 100644
--- a/app/assets/javascripts/dispatcher.js
+++ b/app/assets/javascripts/dispatcher.js
@@ -298,18 +298,21 @@ import ProjectVariables from './project_variables';
           break;
         case 'projects:snippets:show':
           initNotes();
+          new ZenMode();
           break;
         case 'projects:snippets:new':
         case 'projects:snippets:edit':
         case 'projects:snippets:create':
         case 'projects:snippets:update':
           new GLForm($('.snippet-form'), true);
+          new ZenMode();
           break;
         case 'snippets:new':
         case 'snippets:edit':
         case 'snippets:create':
         case 'snippets:update':
           new GLForm($('.snippet-form'), false);
+          new ZenMode();
           break;
         case 'projects:releases:edit':
           new ZenMode();
@@ -546,6 +549,7 @@ import ProjectVariables from './project_variables';
           new LineHighlighter();
           new BlobViewer();
           initNotes();
+          new ZenMode();
           break;
         case 'import:fogbugz:new_user_map':
           new UsersSelect();
diff --git a/app/controllers/admin/appearances_controller.rb b/app/controllers/admin/appearances_controller.rb
index 92df1c8dff0..dd0b38970bd 100644
--- a/app/controllers/admin/appearances_controller.rb
+++ b/app/controllers/admin/appearances_controller.rb
@@ -4,8 +4,8 @@ class Admin::AppearancesController < Admin::ApplicationController
   def show
   end
 
-  def preview
-    render 'preview', layout: 'devise'
+  def preview_sign_in
+    render 'preview_sign_in', layout: 'devise'
   end
 
   def create
@@ -52,7 +52,7 @@ class Admin::AppearancesController < Admin::ApplicationController
   def appearance_params
     params.require(:appearance).permit(
       :title, :description, :logo, :logo_cache, :header_logo, :header_logo_cache,
-      :updated_by
+      :new_project_guidelines, :updated_by
     )
   end
 end
diff --git a/app/helpers/appearances_helper.rb b/app/helpers/appearances_helper.rb
index df590cf47c8..c037de33c22 100644
--- a/app/helpers/appearances_helper.rb
+++ b/app/helpers/appearances_helper.rb
@@ -1,30 +1,26 @@
 module AppearancesHelper
   def brand_title
-    if brand_item && brand_item.title
-      brand_item.title
-    else
-      'GitLab Community Edition'
-    end
+    brand_item&.title.presence || 'GitLab Community Edition'
   end
 
   def brand_image
-    if brand_item.logo?
-      image_tag brand_item.logo
-    else
-      nil
-    end
+    image_tag(brand_item.logo) if brand_item&.logo?
   end
 
   def brand_text
     markdown_field(brand_item, :description)
   end
 
+  def brand_new_project_guidelines
+    markdown_field(brand_item, :new_project_guidelines)
+  end
+
   def brand_item
     @appearance ||= Appearance.current
   end
 
   def brand_header_logo
-    if brand_item && brand_item.header_logo?
+    if brand_item&.header_logo?
       image_tag brand_item.header_logo
     else
       render 'shared/logo.svg'
@@ -33,7 +29,7 @@ module AppearancesHelper
 
   # Skip the 'GitLab' type logo when custom brand logo is set
   def brand_header_logo_type
-    unless brand_item && brand_item.header_logo?
+    unless brand_item&.header_logo?
       render 'shared/logo_type.svg'
     end
   end
diff --git a/app/models/appearance.rb b/app/models/appearance.rb
index ff15689ecac..76cfe28742a 100644
--- a/app/models/appearance.rb
+++ b/app/models/appearance.rb
@@ -2,9 +2,8 @@ class Appearance < ActiveRecord::Base
   include CacheMarkdownField
 
   cache_markdown_field :description
+  cache_markdown_field :new_project_guidelines
 
-  validates :title,       presence: true
-  validates :description, presence: true
   validates :logo,        file_size: { maximum: 1.megabyte }
   validates :header_logo, file_size: { maximum: 1.megabyte }
 
diff --git a/app/models/ci/build.rb b/app/models/ci/build.rb
index 4ea040dfad5..d2402b55184 100644
--- a/app/models/ci/build.rb
+++ b/app/models/ci/build.rb
@@ -1,5 +1,6 @@
 module Ci
   class Build < CommitStatus
+    prepend ArtifactMigratable
     include TokenAuthenticatable
     include AfterCommitQueue
     include Presentable
@@ -10,9 +11,14 @@ module Ci
     belongs_to :erased_by, class_name: 'User'
 
     has_many :deployments, as: :deployable
+
     has_one :last_deployment, -> { order('deployments.id DESC') }, as: :deployable, class_name: 'Deployment'
     has_many :trace_sections, class_name: 'Ci::BuildTraceSection'
 
+    has_many :job_artifacts, class_name: 'Ci::JobArtifact', foreign_key: :job_id, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
+    has_one :job_artifacts_archive, -> { where(file_type: Ci::JobArtifact.file_types[:archive]) }, class_name: 'Ci::JobArtifact', inverse_of: :job, foreign_key: :job_id
+    has_one :job_artifacts_metadata, -> { where(file_type: Ci::JobArtifact.file_types[:metadata]) }, class_name: 'Ci::JobArtifact', inverse_of: :job, foreign_key: :job_id
+
     # The "environment" field for builds is a String, and is the unexpanded name
     def persisted_environment
       @persisted_environment ||= Environment.find_by(
@@ -31,15 +37,37 @@ module Ci
 
     scope :unstarted, ->() { where(runner_id: nil) }
     scope :ignore_failures, ->() { where(allow_failure: false) }
-    scope :with_artifacts, ->() { where.not(artifacts_file: [nil, '']) }
+    scope :with_artifacts, ->() do
+      where('(artifacts_file IS NOT NULL AND artifacts_file <> ?) OR EXISTS (?)',
+        '', Ci::JobArtifact.select(1).where('ci_builds.id = ci_job_artifacts.job_id'))
+    end
     scope :with_artifacts_not_expired, ->() { with_artifacts.where('artifacts_expire_at IS NULL OR artifacts_expire_at > ?', Time.now) }
     scope :with_expired_artifacts, ->() { with_artifacts.where('artifacts_expire_at < ?', Time.now) }
     scope :last_month, ->() { where('created_at > ?', Date.today - 1.month) }
     scope :manual_actions, ->() { where(when: :manual, status: COMPLETED_STATUSES + [:manual]) }
     scope :ref_protected, -> { where(protected: true) }
 
-    mount_uploader :artifacts_file, ArtifactUploader
-    mount_uploader :artifacts_metadata, ArtifactUploader
+    scope :matches_tag_ids, -> (tag_ids) do
+      matcher = ::ActsAsTaggableOn::Tagging
+        .where(taggable_type: CommitStatus)
+        .where(context: 'tags')
+        .where('taggable_id = ci_builds.id')
+        .where.not(tag_id: tag_ids).select('1')
+
+      where("NOT EXISTS (?)", matcher)
+    end
+
+    scope :with_any_tags, -> do
+      matcher = ::ActsAsTaggableOn::Tagging
+        .where(taggable_type: CommitStatus)
+        .where(context: 'tags')
+        .where('taggable_id = ci_builds.id').select('1')
+
+      where("EXISTS (?)", matcher)
+    end
+
+    mount_uploader :legacy_artifacts_file, LegacyArtifactUploader, mount_on: :artifacts_file
+    mount_uploader :legacy_artifacts_metadata, LegacyArtifactUploader, mount_on: :artifacts_metadata
 
     acts_as_taggable
 
@@ -326,14 +354,6 @@ module Ci
       project.running_or_pending_build_count(force: true)
     end
 
-    def artifacts?
-      !artifacts_expired? && artifacts_file.exists?
-    end
-
-    def artifacts_metadata?
-      artifacts? && artifacts_metadata.exists?
-    end
-
     def artifacts_metadata_entry(path, **options)
       metadata = Gitlab::Ci::Build::Artifacts::Metadata.new(
         artifacts_metadata.path,
@@ -386,6 +406,7 @@ module Ci
 
     def keep_artifacts!
       self.update(artifacts_expire_at: nil)
+      self.job_artifacts.update_all(expire_at: nil)
     end
 
     def coverage_regex
@@ -473,11 +494,7 @@ module Ci
     private
 
     def update_artifacts_size
-      self.artifacts_size = if artifacts_file.exists?
-                              artifacts_file.size
-                            else
-                              nil
-                            end
+      self.artifacts_size = legacy_artifacts_file&.size
     end
 
     def erase_trace!
diff --git a/app/models/ci/job_artifact.rb b/app/models/ci/job_artifact.rb
new file mode 100644
index 00000000000..84fc6863567
--- /dev/null
+++ b/app/models/ci/job_artifact.rb
@@ -0,0 +1,36 @@
+module Ci
+  class JobArtifact < ActiveRecord::Base
+    extend Gitlab::Ci::Model
+
+    belongs_to :project
+    belongs_to :job, class_name: "Ci::Build", foreign_key: :job_id
+
+    before_save :set_size, if: :file_changed?
+
+    mount_uploader :file, JobArtifactUploader
+
+    enum file_type: {
+      archive: 1,
+      metadata: 2
+    }
+
+    def self.artifacts_size_for(project)
+      self.where(project: project).sum(:size)
+    end
+
+    def set_size
+      self.size = file.size
+    end
+
+    def expire_in
+      expire_at - Time.now if expire_at
+    end
+
+    def expire_in=(value)
+      self.expire_at =
+        if value
+          ChronicDuration.parse(value)&.seconds&.from_now
+        end
+    end
+  end
+end
diff --git a/app/models/ci/runner.rb b/app/models/ci/runner.rb
index d39610a8995..dcbb397fb78 100644
--- a/app/models/ci/runner.rb
+++ b/app/models/ci/runner.rb
@@ -112,7 +112,7 @@ module Ci
     def can_pick?(build)
       return false if self.ref_protected? && !build.protected?
 
-      assignable_for?(build.project) && accepting_tags?(build)
+      assignable_for?(build.project_id) && accepting_tags?(build)
     end
 
     def only_for?(project)
@@ -171,8 +171,8 @@ module Ci
       end
     end
 
-    def assignable_for?(project)
-      is_shared? || projects.exists?(id: project.id)
+    def assignable_for?(project_id)
+      is_shared? || projects.exists?(id: project_id)
     end
 
     def accepting_tags?(build)
diff --git a/app/models/concerns/artifact_migratable.rb b/app/models/concerns/artifact_migratable.rb
new file mode 100644
index 00000000000..0460439e9e6
--- /dev/null
+++ b/app/models/concerns/artifact_migratable.rb
@@ -0,0 +1,45 @@
+# Adapter class to unify the interface between mounted uploaders and the
+# Ci::Artifact model
+# Meant to be prepended so the interface can stay the same
+module ArtifactMigratable
+  def artifacts_file
+    job_artifacts_archive&.file || legacy_artifacts_file
+  end
+
+  def artifacts_metadata
+    job_artifacts_metadata&.file || legacy_artifacts_metadata
+  end
+
+  def artifacts?
+    !artifacts_expired? && artifacts_file.exists?
+  end
+
+  def artifacts_metadata?
+    artifacts? && artifacts_metadata.exists?
+  end
+
+  def artifacts_file_changed?
+    job_artifacts_archive&.file_changed? || attribute_changed?(:artifacts_file)
+  end
+
+  def remove_artifacts_file!
+    if job_artifacts_archive
+      job_artifacts_archive.destroy
+    else
+      remove_legacy_artifacts_file!
+    end
+  end
+
+  def remove_artifacts_metadata!
+    if job_artifacts_metadata
+      job_artifacts_metadata.destroy
+    else
+      remove_legacy_artifacts_metadata!
+    end
+  end
+
+  def artifacts_size
+    read_attribute(:artifacts_size).to_i +
+      job_artifacts_archive&.size.to_i + job_artifacts_metadata&.size.to_i
+  end
+end
diff --git a/app/models/group.rb b/app/models/group.rb
index 27287f079a4..505e943e464 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -2,6 +2,7 @@ require 'carrierwave/orm/activerecord'
 
 class Group < Namespace
   include Gitlab::ConfigHelper
+  include AfterCommitQueue
   include AccessRequestable
   include Avatarable
   include Referable
diff --git a/app/models/key.rb b/app/models/key.rb
index 815fd1de909..a3f8a5d6dc7 100644
--- a/app/models/key.rb
+++ b/app/models/key.rb
@@ -2,6 +2,7 @@ require 'digest/md5'
 
 class Key < ActiveRecord::Base
   include Gitlab::CurrentSettings
+  include AfterCommitQueue
   include Sortable
 
   belongs_to :user
diff --git a/app/models/member.rb b/app/models/member.rb
index cbbd58f2eaf..2fe5fda985f 100644
--- a/app/models/member.rb
+++ b/app/models/member.rb
@@ -1,4 +1,5 @@
 class Member < ActiveRecord::Base
+  include AfterCommitQueue
   include Sortable
   include Importable
   include Expirable
diff --git a/app/models/project_statistics.rb b/app/models/project_statistics.rb
index 715b215d1db..17b9d2cf7b4 100644
--- a/app/models/project_statistics.rb
+++ b/app/models/project_statistics.rb
@@ -35,7 +35,9 @@ class ProjectStatistics < ActiveRecord::Base
   end
 
   def update_build_artifacts_size
-    self.build_artifacts_size = project.builds.sum(:artifacts_size)
+    self.build_artifacts_size =
+      project.builds.sum(:artifacts_size) +
+      Ci::JobArtifact.artifacts_size_for(self)
   end
 
   def update_storage_size
diff --git a/app/models/service.rb b/app/models/service.rb
index fdd2605e3e3..3c4f1885dd0 100644
--- a/app/models/service.rb
+++ b/app/models/service.rb
@@ -211,7 +211,7 @@ class Service < ActiveRecord::Base
   def async_execute(data)
     return unless supported_events.include?(data[:object_kind])
 
-    Sidekiq::Client.enqueue(ProjectServiceWorker, id, data)
+    ProjectServiceWorker.perform_async(id, data)
   end
 
   def issue_tracker?
diff --git a/app/models/user.rb b/app/models/user.rb
index 76fd395be9a..38ee4ed50c1 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -7,6 +7,7 @@ class User < ActiveRecord::Base
   include Gitlab::ConfigHelper
   include Gitlab::CurrentSettings
   include Gitlab::SQL::Pattern
+  include AfterCommitQueue
   include Avatarable
   include Referable
   include Sortable
@@ -903,6 +904,7 @@ class User < ActiveRecord::Base
 
   def post_destroy_hook
     log_info("User \"#{name}\" (#{email})  was removed")
+
     system_hook_service.execute_hooks_for(self, :destroy)
   end
 
diff --git a/app/services/ci/register_job_service.rb b/app/services/ci/register_job_service.rb
index b8db709211a..2ef76e03031 100644
--- a/app/services/ci/register_job_service.rb
+++ b/app/services/ci/register_job_service.rb
@@ -22,6 +22,16 @@ module Ci
 
       valid = true
 
+      if Feature.enabled?('ci_job_request_with_tags_matcher')
+        # pick builds that does not have other tags than runner's one
+        builds = builds.matches_tag_ids(runner.tags.ids)
+
+        # pick builds that have at least one tag
+        unless runner.run_untagged?
+          builds = builds.with_any_tags
+        end
+      end
+
       builds.find do |build|
         next unless runner.can_pick?(build)
 
diff --git a/app/services/projects/update_pages_service.rb b/app/services/projects/update_pages_service.rb
index d34903c9989..a773222bf17 100644
--- a/app/services/projects/update_pages_service.rb
+++ b/app/services/projects/update_pages_service.rb
@@ -18,7 +18,7 @@ module Projects
       @status.enqueue!
       @status.run!
 
-      raise 'missing pages artifacts' unless build.artifacts_file?
+      raise 'missing pages artifacts' unless build.artifacts?
       raise 'pages are outdated' unless latest?
 
       # Create temporary directory in which we will extract the artifacts
diff --git a/app/services/system_hooks_service.rb b/app/services/system_hooks_service.rb
index 911cc919bb8..690918b4a00 100644
--- a/app/services/system_hooks_service.rb
+++ b/app/services/system_hooks_service.rb
@@ -1,6 +1,10 @@
 class SystemHooksService
   def execute_hooks_for(model, event)
-    execute_hooks(build_event_data(model, event))
+    data = build_event_data(model, event)
+
+    model.run_after_commit_or_now do
+      SystemHooksService.new.execute_hooks(data)
+    end
   end
 
   def execute_hooks(data, hooks_scope = :all)
diff --git a/app/services/web_hook_service.rb b/app/services/web_hook_service.rb
index cd99e0b90f9..6ebc7c89500 100644
--- a/app/services/web_hook_service.rb
+++ b/app/services/web_hook_service.rb
@@ -63,7 +63,7 @@ class WebHookService
   end
 
   def async_execute
-    Sidekiq::Client.enqueue(WebHookWorker, hook.id, data, hook_name)
+    WebHookWorker.perform_async(hook.id, data, hook_name)
   end
 
   private
diff --git a/app/uploaders/artifact_uploader.rb b/app/uploaders/artifact_uploader.rb
deleted file mode 100644
index 14addb6cf14..00000000000
--- a/app/uploaders/artifact_uploader.rb
+++ /dev/null
@@ -1,39 +0,0 @@
-class ArtifactUploader < GitlabUploader
-  storage :file
-
-  attr_reader :job, :field
-
-  def self.local_artifacts_store
-    Gitlab.config.artifacts.path
-  end
-
-  def self.artifacts_upload_path
-    File.join(self.local_artifacts_store, 'tmp/uploads/')
-  end
-
-  def initialize(job, field)
-    @job, @field = job, field
-  end
-
-  def store_dir
-    default_local_path
-  end
-
-  def cache_dir
-    File.join(self.class.local_artifacts_store, 'tmp/cache')
-  end
-
-  def work_dir
-    File.join(self.class.local_artifacts_store, 'tmp/work')
-  end
-
-  private
-
-  def default_local_path
-    File.join(self.class.local_artifacts_store, default_path)
-  end
-
-  def default_path
-    File.join(job.created_at.utc.strftime('%Y_%m'), job.project_id.to_s, job.id.to_s)
-  end
-end
diff --git a/app/uploaders/job_artifact_uploader.rb b/app/uploaders/job_artifact_uploader.rb
new file mode 100644
index 00000000000..15dfb5a5763
--- /dev/null
+++ b/app/uploaders/job_artifact_uploader.rb
@@ -0,0 +1,46 @@
+class JobArtifactUploader < GitlabUploader
+  storage :file
+
+  def self.local_store_path
+    Gitlab.config.artifacts.path
+  end
+
+  def self.artifacts_upload_path
+    File.join(self.local_store_path, 'tmp/uploads/')
+  end
+
+  def size
+    return super if model.size.nil?
+
+    model.size
+  end
+
+  def store_dir
+    default_local_path
+  end
+
+  def cache_dir
+    File.join(self.class.local_store_path, 'tmp/cache')
+  end
+
+  def work_dir
+    File.join(self.class.local_store_path, 'tmp/work')
+  end
+
+  private
+
+  def default_local_path
+    File.join(self.class.local_store_path, default_path)
+  end
+
+  def default_path
+    creation_date = model.created_at.utc.strftime('%Y_%m_%d')
+
+    File.join(disk_hash[0..1], disk_hash[2..3], disk_hash,
+              creation_date, model.job_id.to_s, model.id.to_s)
+  end
+
+  def disk_hash
+    @disk_hash ||= Digest::SHA2.hexdigest(model.project_id.to_s)
+  end
+end
diff --git a/app/uploaders/legacy_artifact_uploader.rb b/app/uploaders/legacy_artifact_uploader.rb
new file mode 100644
index 00000000000..4f7f8a63108
--- /dev/null
+++ b/app/uploaders/legacy_artifact_uploader.rb
@@ -0,0 +1,33 @@
+class LegacyArtifactUploader < GitlabUploader
+  storage :file
+
+  def self.local_store_path
+    Gitlab.config.artifacts.path
+  end
+
+  def self.artifacts_upload_path
+    File.join(self.local_store_path, 'tmp/uploads/')
+  end
+
+  def store_dir
+    default_local_path
+  end
+
+  def cache_dir
+    File.join(self.class.local_store_path, 'tmp/cache')
+  end
+
+  def work_dir
+    File.join(self.class.local_store_path, 'tmp/work')
+  end
+
+  private
+
+  def default_local_path
+    File.join(self.class.local_store_path, default_path)
+  end
+
+  def default_path
+    File.join(model.created_at.utc.strftime('%Y_%m'), model.project_id.to_s, model.id.to_s)
+  end
+end
diff --git a/app/views/admin/appearances/_form.html.haml b/app/views/admin/appearances/_form.html.haml
index 4a2238fe277..15bda97c3b5 100644
--- a/app/views/admin/appearances/_form.html.haml
+++ b/app/views/admin/appearances/_form.html.haml
@@ -1,6 +1,23 @@
 = form_for @appearance, url: admin_appearances_path, html: { class: 'form-horizontal'} do |f|
   = form_errors(@appearance)
 
+  %fieldset.app_logo
+    %legend
+      Navigation bar:
+  .form-group
+    = f.label :header_logo, 'Header logo', class: 'control-label'
+    .col-sm-10
+      - if @appearance.header_logo?
+        = image_tag @appearance.header_logo_url, class: 'appearance-light-logo-preview'
+        - if @appearance.persisted?
+          %br
+          = link_to 'Remove header logo', header_logos_admin_appearances_path, data: { confirm: "Header logo will be removed. Are you sure?"}, method: :delete, class: "btn btn-remove btn-sm remove-logo"
+        %hr
+      = f.hidden_field :header_logo_cache
+      = f.file_field :header_logo, class: ""
+      .hint
+        Maximum file size is 1MB. Pages are optimized for a 28px tall header logo
+
   %fieldset.sign-in
     %legend
       Sign in/Sign up pages:
@@ -28,27 +45,22 @@
       .hint
         Maximum file size is 1MB. Pages are optimized for a 640x360 px logo.
 
-  %fieldset.app_logo
+  %fieldset
     %legend
-      Navigation bar:
+      New project pages:
   .form-group
-    = f.label :header_logo, 'Header logo', class: 'control-label'
+    = f.label :new_project_guidelines, class: 'control-label'
     .col-sm-10
-      - if @appearance.header_logo?
-        = image_tag @appearance.header_logo_url, class: 'appearance-light-logo-preview'
-        - if @appearance.persisted?
-          %br
-          = link_to 'Remove header logo', header_logos_admin_appearances_path, data: { confirm: "Header logo will be removed. Are you sure?"}, method: :delete, class: "btn btn-remove btn-sm remove-logo"
-        %hr
-      = f.hidden_field :header_logo_cache
-      = f.file_field :header_logo, class: ""
+      = f.text_area :new_project_guidelines, class: "form-control", rows: 10
       .hint
-        Maximum file size is 1MB. Pages are optimized for a 28px tall header logo
+        Guidelines parsed with #{link_to "GitLab Flavored Markdown", help_page_path('user/markdown'), target: '_blank'}.
 
   .form-actions
     = f.submit 'Save', class: 'btn btn-save append-right-10'
     - if @appearance.persisted?
-      = link_to 'Preview last save', preview_admin_appearances_path, class: 'btn', target: '_blank', rel: 'noopener noreferrer'
+      Preview last save:
+      = link_to 'Sign-in page', preview_sign_in_admin_appearances_path, class: 'btn', target: '_blank', rel: 'noopener noreferrer'
+      = link_to 'New project page', new_project_path, class: 'btn', target: '_blank', rel: 'noopener noreferrer'
 
     - if @appearance.updated_at
       %span.pull-right
diff --git a/app/views/admin/appearances/preview.html.haml b/app/views/admin/appearances/preview_sign_in.html.haml
index 1af7dd5bb67..1af7dd5bb67 100644
--- a/app/views/admin/appearances/preview.html.haml
+++ b/app/views/admin/appearances/preview_sign_in.html.haml
diff --git a/app/views/layouts/devise.html.haml b/app/views/layouts/devise.html.haml
index 97016d28535..691d2528022 100644
--- a/app/views/layouts/devise.html.haml
+++ b/app/views/layouts/devise.html.haml
@@ -15,8 +15,8 @@
             .col-sm-7.brand-holder.pull-left
               %h1
                 = brand_title
-              - if brand_item
                 = brand_image
+              - if brand_item&.description?
                 = brand_text
               - else
                 %h3 Open source software to collaborate on code
diff --git a/app/views/projects/_md_preview.html.haml b/app/views/projects/_md_preview.html.haml
index a9431cc4956..2cd5d0c60ea 100644
--- a/app/views/projects/_md_preview.html.haml
+++ b/app/views/projects/_md_preview.html.haml
@@ -25,7 +25,7 @@
         = markdown_toolbar_button({ icon: "list-bulleted", data: { "md-tag" => "* ", "md-prepend" => true }, title: "Add a bullet list" })
         = markdown_toolbar_button({ icon: "list-numbered", data: { "md-tag" => "1. ", "md-prepend" => true }, title: "Add a numbered list" })
         = markdown_toolbar_button({ icon: "task-done", data: { "md-tag" => "* [ ] ", "md-prepend" => true }, title: "Add a task list" })
-        %button.toolbar-btn.toolbar-fullscreen-btn.js-zen-enter.has-tooltip{ type: "button", tabindex: -1, aria: { label: "Go full screen" }, title: "Go full screen", data: { container: "body" } }
+        %button.toolbar-btn.toolbar-fullscreen-btn.js-zen-enter.has-tooltip{ type: "button", tabindex: -1, "aria-label": "Go full screen", title: "Go full screen", data: { container: "body" } }
           = sprite_icon("screen-full")
 
   .md-write-holder
diff --git a/app/views/projects/clusters/_tabs.html.haml b/app/views/projects/clusters/_tabs.html.haml
new file mode 100644
index 00000000000..c8120e806fa
--- /dev/null
+++ b/app/views/projects/clusters/_tabs.html.haml
@@ -0,0 +1,16 @@
+.top-area.scrolling-tabs-container.inner-page-scroll-tabs
+  .fade-left= icon("angle-left")
+  .fade-right= icon("angle-right")
+  %ul.nav-links.scrolling-tabs
+    %li{ class: ('active' if @scope == 'active') }>
+      = link_to project_clusters_path(@project, scope: :active), class: "js-active-tab" do
+        = s_("ClusterIntegration|Active")
+        %span.badge= @active_count
+    %li{ class: ('active' if @scope == 'inactive') }>
+      = link_to project_clusters_path(@project, scope: :inactive), class: "js-inactive-tab" do
+        = s_("ClusterIntegration|Inactive")
+        %span.badge= @inactive_count
+    %li{ class: ('active' if @scope.nil? || @scope == 'all') }>
+      = link_to project_clusters_path(@project), class: "js-all-tab" do
+        = s_("ClusterIntegration|All")
+        %span.badge= @all_count
diff --git a/app/views/projects/new.html.haml b/app/views/projects/new.html.haml
index 0a7880ce4cd..cad7c2e83db 100644
--- a/app/views/projects/new.html.haml
+++ b/app/views/projects/new.html.haml
@@ -18,6 +18,7 @@
         A project is where you house your files (repository), plan your work (issues), and publish your documentation (wiki), #{link_to 'among other things', help_page_path("user/project/index.md", anchor: "projects-features"), target: '_blank'}.
       %p
         All features are enabled when you create a project, but you can disable the ones you don’t need in the project settings.
+      = brand_new_project_guidelines
     .col-lg-9.js-toggle-container
       %ul.nav-links.gitlab-tabs{ role: 'tablist' }
         %li.active{ role: 'presentation' }
diff --git a/app/workers/admin_email_worker.rb b/app/workers/admin_email_worker.rb
index c2dc955b27c..bec0a003a1c 100644
--- a/app/workers/admin_email_worker.rb
+++ b/app/workers/admin_email_worker.rb
@@ -1,5 +1,5 @@
 class AdminEmailWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/authorized_projects_worker.rb b/app/workers/authorized_projects_worker.rb
index 55d8d0c69d1..09559e3b696 100644
--- a/app/workers/authorized_projects_worker.rb
+++ b/app/workers/authorized_projects_worker.rb
@@ -1,6 +1,5 @@
 class AuthorizedProjectsWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   # Schedules multiple jobs and waits for them to be completed.
   def self.bulk_perform_and_wait(args_list)
@@ -17,11 +16,6 @@ class AuthorizedProjectsWorker
     waiter.wait
   end
 
-  # Schedules multiple jobs to run in sidekiq without waiting for completion
-  def self.bulk_perform_async(args_list)
-    Sidekiq::Client.push_bulk('class' => self, 'queue' => sidekiq_options['queue'], 'args' => args_list)
-  end
-
   # Performs multiple jobs directly. Failed jobs will be put into sidekiq so
   # they can benefit from retries
   def self.bulk_perform_inline(args_list)
diff --git a/app/workers/background_migration_worker.rb b/app/workers/background_migration_worker.rb
index 45ce49bb5c0..aeb3bc019b9 100644
--- a/app/workers/background_migration_worker.rb
+++ b/app/workers/background_migration_worker.rb
@@ -1,34 +1,5 @@
 class BackgroundMigrationWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
-
-  # Enqueues a number of jobs in bulk.
-  #
-  # The `jobs` argument should be an Array of Arrays, each sub-array must be in
-  # the form:
-  #
-  #     [migration-class, [arg1, arg2, ...]]
-  def self.perform_bulk(jobs)
-    Sidekiq::Client.push_bulk('class' => self,
-                              'queue' => sidekiq_options['queue'],
-                              'args' => jobs)
-  end
-
-  # Schedules multiple jobs in bulk, with a delay.
-  #
-  def self.perform_bulk_in(delay, jobs)
-    now = Time.now.to_i
-    schedule = now + delay.to_i
-
-    if schedule <= now
-      raise ArgumentError, 'The schedule time must be in the future!'
-    end
-
-    Sidekiq::Client.push_bulk('class' => self,
-                              'queue' => sidekiq_options['queue'],
-                              'args' => jobs,
-                              'at' => schedule)
-  end
+  include ApplicationWorker
 
   # Performs the background migration.
   #
diff --git a/app/workers/build_coverage_worker.rb b/app/workers/build_coverage_worker.rb
index cd4af85d047..62b212c79be 100644
--- a/app/workers/build_coverage_worker.rb
+++ b/app/workers/build_coverage_worker.rb
@@ -1,5 +1,5 @@
 class BuildCoverageWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   def perform(build_id)
diff --git a/app/workers/build_finished_worker.rb b/app/workers/build_finished_worker.rb
index 52e7d346e74..5efa9180f5e 100644
--- a/app/workers/build_finished_worker.rb
+++ b/app/workers/build_finished_worker.rb
@@ -1,5 +1,5 @@
 class BuildFinishedWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :processing
diff --git a/app/workers/build_hooks_worker.rb b/app/workers/build_hooks_worker.rb
index dedaf2835e6..6705a1c2709 100644
--- a/app/workers/build_hooks_worker.rb
+++ b/app/workers/build_hooks_worker.rb
@@ -1,5 +1,5 @@
 class BuildHooksWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :hooks
diff --git a/app/workers/build_queue_worker.rb b/app/workers/build_queue_worker.rb
index e5ceb9ef715..fc775a84dc0 100644
--- a/app/workers/build_queue_worker.rb
+++ b/app/workers/build_queue_worker.rb
@@ -1,5 +1,5 @@
 class BuildQueueWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :processing
diff --git a/app/workers/build_success_worker.rb b/app/workers/build_success_worker.rb
index 20ec24bd18a..ec049821ad7 100644
--- a/app/workers/build_success_worker.rb
+++ b/app/workers/build_success_worker.rb
@@ -1,5 +1,5 @@
 class BuildSuccessWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :processing
diff --git a/app/workers/build_trace_sections_worker.rb b/app/workers/build_trace_sections_worker.rb
index 8c57e8f767b..c0f5c144e10 100644
--- a/app/workers/build_trace_sections_worker.rb
+++ b/app/workers/build_trace_sections_worker.rb
@@ -1,5 +1,5 @@
 class BuildTraceSectionsWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   def perform(build_id)
diff --git a/app/workers/cluster_install_app_worker.rb b/app/workers/cluster_install_app_worker.rb
index 899aed904e4..f771cb4939f 100644
--- a/app/workers/cluster_install_app_worker.rb
+++ b/app/workers/cluster_install_app_worker.rb
@@ -1,5 +1,5 @@
 class ClusterInstallAppWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include ClusterQueue
   include ClusterApplications
 
diff --git a/app/workers/cluster_provision_worker.rb b/app/workers/cluster_provision_worker.rb
index b01f9708424..1ab4de3b647 100644
--- a/app/workers/cluster_provision_worker.rb
+++ b/app/workers/cluster_provision_worker.rb
@@ -1,5 +1,5 @@
 class ClusterProvisionWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include ClusterQueue
 
   def perform(cluster_id)
diff --git a/app/workers/cluster_wait_for_app_installation_worker.rb b/app/workers/cluster_wait_for_app_installation_worker.rb
index 4bb8c293e5d..d564d5e48bf 100644
--- a/app/workers/cluster_wait_for_app_installation_worker.rb
+++ b/app/workers/cluster_wait_for_app_installation_worker.rb
@@ -1,5 +1,5 @@
 class ClusterWaitForAppInstallationWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include ClusterQueue
   include ClusterApplications
 
diff --git a/app/workers/concerns/application_worker.rb b/app/workers/concerns/application_worker.rb
new file mode 100644
index 00000000000..9c3bdabc49e
--- /dev/null
+++ b/app/workers/concerns/application_worker.rb
@@ -0,0 +1,40 @@
+Sidekiq::Worker.extend ActiveSupport::Concern
+
+module ApplicationWorker
+  extend ActiveSupport::Concern
+
+  include Sidekiq::Worker
+
+  included do
+    sidekiq_options queue: base_queue_name
+  end
+
+  module ClassMethods
+    def base_queue_name
+      name
+        .sub(/\AGitlab::/, '')
+        .sub(/Worker\z/, '')
+        .underscore
+        .tr('/', '_')
+    end
+
+    def queue
+      get_sidekiq_options['queue'].to_s
+    end
+
+    def bulk_perform_async(args_list)
+      Sidekiq::Client.push_bulk('class' => self, 'args' => args_list)
+    end
+
+    def bulk_perform_in(delay, args_list)
+      now = Time.now.to_i
+      schedule = now + delay.to_i
+
+      if schedule <= now
+        raise ArgumentError, 'The schedule time must be in the future!'
+      end
+
+      Sidekiq::Client.push_bulk('class' => self, 'args' => args_list, 'at' => schedule)
+    end
+  end
+end
diff --git a/app/workers/concerns/dedicated_sidekiq_queue.rb b/app/workers/concerns/dedicated_sidekiq_queue.rb
deleted file mode 100644
index 132bae6022b..00000000000
--- a/app/workers/concerns/dedicated_sidekiq_queue.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-# Concern that sets the queue of a Sidekiq worker based on the worker's class
-# name/namespace.
-module DedicatedSidekiqQueue
-  extend ActiveSupport::Concern
-
-  included do
-    sidekiq_options queue: name.sub(/Worker\z/, '').underscore.tr('/', '_')
-  end
-end
diff --git a/app/workers/concerns/gitlab/github_import/object_importer.rb b/app/workers/concerns/gitlab/github_import/object_importer.rb
index 67e36c811de..9a9fbaad653 100644
--- a/app/workers/concerns/gitlab/github_import/object_importer.rb
+++ b/app/workers/concerns/gitlab/github_import/object_importer.rb
@@ -8,7 +8,7 @@ module Gitlab
       extend ActiveSupport::Concern
 
       included do
-        include Sidekiq::Worker
+        include ApplicationWorker
         include GithubImport::Queue
         include ReschedulingMethods
         include NotifyUponDeath
diff --git a/app/workers/create_gpg_signature_worker.rb b/app/workers/create_gpg_signature_worker.rb
index 9b5ff17aafa..f371731f68c 100644
--- a/app/workers/create_gpg_signature_worker.rb
+++ b/app/workers/create_gpg_signature_worker.rb
@@ -1,6 +1,5 @@
 class CreateGpgSignatureWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(commit_sha, project_id)
     project = Project.find_by(id: project_id)
diff --git a/app/workers/create_pipeline_worker.rb b/app/workers/create_pipeline_worker.rb
index 865ad1ba420..00cd7b85b9f 100644
--- a/app/workers/create_pipeline_worker.rb
+++ b/app/workers/create_pipeline_worker.rb
@@ -1,5 +1,5 @@
 class CreatePipelineWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :creation
diff --git a/app/workers/delete_merged_branches_worker.rb b/app/workers/delete_merged_branches_worker.rb
index f870da4ecfd..07cd1f02fb5 100644
--- a/app/workers/delete_merged_branches_worker.rb
+++ b/app/workers/delete_merged_branches_worker.rb
@@ -1,6 +1,5 @@
 class DeleteMergedBranchesWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(project_id, user_id)
     begin
diff --git a/app/workers/delete_user_worker.rb b/app/workers/delete_user_worker.rb
index 3340a7be4fe..6c431b02979 100644
--- a/app/workers/delete_user_worker.rb
+++ b/app/workers/delete_user_worker.rb
@@ -1,6 +1,5 @@
 class DeleteUserWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(current_user_id, delete_user_id, options = {})
     delete_user  = User.find(delete_user_id)
diff --git a/app/workers/email_receiver_worker.rb b/app/workers/email_receiver_worker.rb
index 05cb116a623..dd8a6cbbef1 100644
--- a/app/workers/email_receiver_worker.rb
+++ b/app/workers/email_receiver_worker.rb
@@ -1,6 +1,5 @@
 class EmailReceiverWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(raw)
     return unless Gitlab::IncomingEmail.enabled?
diff --git a/app/workers/emails_on_push_worker.rb b/app/workers/emails_on_push_worker.rb
index f5ccc84c160..21da27973fe 100644
--- a/app/workers/emails_on_push_worker.rb
+++ b/app/workers/emails_on_push_worker.rb
@@ -1,6 +1,5 @@
 class EmailsOnPushWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   attr_reader :email, :skip_premailer
 
diff --git a/app/workers/expire_build_artifacts_worker.rb b/app/workers/expire_build_artifacts_worker.rb
index a27585fd389..87e5dca01fd 100644
--- a/app/workers/expire_build_artifacts_worker.rb
+++ b/app/workers/expire_build_artifacts_worker.rb
@@ -1,5 +1,5 @@
 class ExpireBuildArtifactsWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
@@ -8,6 +8,6 @@ class ExpireBuildArtifactsWorker
     build_ids = Ci::Build.with_expired_artifacts.pluck(:id)
     build_ids = build_ids.map { |build_id| [build_id] }
 
-    Sidekiq::Client.push_bulk('class' => ExpireBuildInstanceArtifactsWorker, 'args' => build_ids )
+    ExpireBuildInstanceArtifactsWorker.bulk_perform_async(build_ids)
   end
 end
diff --git a/app/workers/expire_build_instance_artifacts_worker.rb b/app/workers/expire_build_instance_artifacts_worker.rb
index 7b59e976492..234b4357cf7 100644
--- a/app/workers/expire_build_instance_artifacts_worker.rb
+++ b/app/workers/expire_build_instance_artifacts_worker.rb
@@ -1,6 +1,5 @@
 class ExpireBuildInstanceArtifactsWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(build_id)
     build = Ci::Build
diff --git a/app/workers/expire_job_cache_worker.rb b/app/workers/expire_job_cache_worker.rb
index 98a7500bffe..a591e2da519 100644
--- a/app/workers/expire_job_cache_worker.rb
+++ b/app/workers/expire_job_cache_worker.rb
@@ -1,5 +1,5 @@
 class ExpireJobCacheWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :cache
diff --git a/app/workers/expire_pipeline_cache_worker.rb b/app/workers/expire_pipeline_cache_worker.rb
index 1a0e7f92875..a3ac32b437d 100644
--- a/app/workers/expire_pipeline_cache_worker.rb
+++ b/app/workers/expire_pipeline_cache_worker.rb
@@ -1,5 +1,5 @@
 class ExpirePipelineCacheWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :cache
diff --git a/app/workers/git_garbage_collect_worker.rb b/app/workers/git_garbage_collect_worker.rb
index ec65d3ff65e..8e26275669e 100644
--- a/app/workers/git_garbage_collect_worker.rb
+++ b/app/workers/git_garbage_collect_worker.rb
@@ -1,6 +1,5 @@
 class GitGarbageCollectWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
   include Gitlab::CurrentSettings
 
   sidekiq_options retry: false
diff --git a/app/workers/gitlab/github_import/advance_stage_worker.rb b/app/workers/gitlab/github_import/advance_stage_worker.rb
index 877f88c043f..400396d5755 100644
--- a/app/workers/gitlab/github_import/advance_stage_worker.rb
+++ b/app/workers/gitlab/github_import/advance_stage_worker.rb
@@ -7,7 +7,7 @@ module Gitlab
     # been completed this worker will advance the import process to the next
     # stage.
     class AdvanceStageWorker
-      include Sidekiq::Worker
+      include ApplicationWorker
 
       sidekiq_options queue: 'github_importer_advance_stage', dead: false
 
diff --git a/app/workers/gitlab/github_import/refresh_import_jid_worker.rb b/app/workers/gitlab/github_import/refresh_import_jid_worker.rb
index 45a38927225..7108b531bc2 100644
--- a/app/workers/gitlab/github_import/refresh_import_jid_worker.rb
+++ b/app/workers/gitlab/github_import/refresh_import_jid_worker.rb
@@ -3,7 +3,7 @@
 module Gitlab
   module GithubImport
     class RefreshImportJidWorker
-      include Sidekiq::Worker
+      include ApplicationWorker
       include GithubImport::Queue
 
       # The interval to schedule new instances of this job at.
diff --git a/app/workers/gitlab/github_import/stage/finish_import_worker.rb b/app/workers/gitlab/github_import/stage/finish_import_worker.rb
index 1a09497780a..073d6608082 100644
--- a/app/workers/gitlab/github_import/stage/finish_import_worker.rb
+++ b/app/workers/gitlab/github_import/stage/finish_import_worker.rb
@@ -4,7 +4,7 @@ module Gitlab
   module GithubImport
     module Stage
       class FinishImportWorker
-        include Sidekiq::Worker
+        include ApplicationWorker
         include GithubImport::Queue
         include StageMethods
 
diff --git a/app/workers/gitlab/github_import/stage/import_base_data_worker.rb b/app/workers/gitlab/github_import/stage/import_base_data_worker.rb
index f8a3684c6ba..5726fbb573d 100644
--- a/app/workers/gitlab/github_import/stage/import_base_data_worker.rb
+++ b/app/workers/gitlab/github_import/stage/import_base_data_worker.rb
@@ -4,7 +4,7 @@ module Gitlab
   module GithubImport
     module Stage
       class ImportBaseDataWorker
-        include Sidekiq::Worker
+        include ApplicationWorker
         include GithubImport::Queue
         include StageMethods
 
diff --git a/app/workers/gitlab/github_import/stage/import_issues_and_diff_notes_worker.rb b/app/workers/gitlab/github_import/stage/import_issues_and_diff_notes_worker.rb
index e110b7c1c36..7007754ff2e 100644
--- a/app/workers/gitlab/github_import/stage/import_issues_and_diff_notes_worker.rb
+++ b/app/workers/gitlab/github_import/stage/import_issues_and_diff_notes_worker.rb
@@ -4,7 +4,7 @@ module Gitlab
   module GithubImport
     module Stage
       class ImportIssuesAndDiffNotesWorker
-        include Sidekiq::Worker
+        include ApplicationWorker
         include GithubImport::Queue
         include StageMethods
 
diff --git a/app/workers/gitlab/github_import/stage/import_notes_worker.rb b/app/workers/gitlab/github_import/stage/import_notes_worker.rb
index 9810ed25cf9..5f4678a595f 100644
--- a/app/workers/gitlab/github_import/stage/import_notes_worker.rb
+++ b/app/workers/gitlab/github_import/stage/import_notes_worker.rb
@@ -4,7 +4,7 @@ module Gitlab
   module GithubImport
     module Stage
       class ImportNotesWorker
-        include Sidekiq::Worker
+        include ApplicationWorker
         include GithubImport::Queue
         include StageMethods
 
diff --git a/app/workers/gitlab/github_import/stage/import_pull_requests_worker.rb b/app/workers/gitlab/github_import/stage/import_pull_requests_worker.rb
index c531f26e897..1c5a7139802 100644
--- a/app/workers/gitlab/github_import/stage/import_pull_requests_worker.rb
+++ b/app/workers/gitlab/github_import/stage/import_pull_requests_worker.rb
@@ -4,7 +4,7 @@ module Gitlab
   module GithubImport
     module Stage
       class ImportPullRequestsWorker
-        include Sidekiq::Worker
+        include ApplicationWorker
         include GithubImport::Queue
         include StageMethods
 
diff --git a/app/workers/gitlab/github_import/stage/import_repository_worker.rb b/app/workers/gitlab/github_import/stage/import_repository_worker.rb
index aa5762e773d..4d16cef1130 100644
--- a/app/workers/gitlab/github_import/stage/import_repository_worker.rb
+++ b/app/workers/gitlab/github_import/stage/import_repository_worker.rb
@@ -4,7 +4,7 @@ module Gitlab
   module GithubImport
     module Stage
       class ImportRepositoryWorker
-        include Sidekiq::Worker
+        include ApplicationWorker
         include GithubImport::Queue
         include StageMethods
 
diff --git a/app/workers/gitlab_shell_worker.rb b/app/workers/gitlab_shell_worker.rb
index 0ec871e00e1..a0028e41332 100644
--- a/app/workers/gitlab_shell_worker.rb
+++ b/app/workers/gitlab_shell_worker.rb
@@ -1,7 +1,6 @@
 class GitlabShellWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include Gitlab::ShellAdapter
-  include DedicatedSidekiqQueue
 
   def perform(action, *arg)
     gitlab_shell.__send__(action, *arg) # rubocop:disable GitlabSecurity/PublicSend
diff --git a/app/workers/gitlab_usage_ping_worker.rb b/app/workers/gitlab_usage_ping_worker.rb
index 0a55aab63fd..6dd281b1147 100644
--- a/app/workers/gitlab_usage_ping_worker.rb
+++ b/app/workers/gitlab_usage_ping_worker.rb
@@ -1,7 +1,7 @@
 class GitlabUsagePingWorker
   LEASE_TIMEOUT = 86400
 
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/group_destroy_worker.rb b/app/workers/group_destroy_worker.rb
index bd8e212e928..f577b310b20 100644
--- a/app/workers/group_destroy_worker.rb
+++ b/app/workers/group_destroy_worker.rb
@@ -1,6 +1,5 @@
 class GroupDestroyWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
   include ExceptionBacktrace
 
   def perform(group_id, user_id)
diff --git a/app/workers/import_export_project_cleanup_worker.rb b/app/workers/import_export_project_cleanup_worker.rb
index 7957ed807ab..9788c8df3a3 100644
--- a/app/workers/import_export_project_cleanup_worker.rb
+++ b/app/workers/import_export_project_cleanup_worker.rb
@@ -1,5 +1,5 @@
 class ImportExportProjectCleanupWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/invalid_gpg_signature_update_worker.rb b/app/workers/invalid_gpg_signature_update_worker.rb
index db6b1ea8e8d..6774ab307c6 100644
--- a/app/workers/invalid_gpg_signature_update_worker.rb
+++ b/app/workers/invalid_gpg_signature_update_worker.rb
@@ -1,6 +1,5 @@
 class InvalidGpgSignatureUpdateWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(gpg_key_id)
     gpg_key = GpgKey.find_by(id: gpg_key_id)
diff --git a/app/workers/irker_worker.rb b/app/workers/irker_worker.rb
index 311fc187e49..9ae5456be4c 100644
--- a/app/workers/irker_worker.rb
+++ b/app/workers/irker_worker.rb
@@ -2,8 +2,7 @@ require 'json'
 require 'socket'
 
 class IrkerWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(project_id, chans, colors, push_data, settings)
     project = Project.find(project_id)
diff --git a/app/workers/merge_worker.rb b/app/workers/merge_worker.rb
index 48e2da338f6..ba832fe30c6 100644
--- a/app/workers/merge_worker.rb
+++ b/app/workers/merge_worker.rb
@@ -1,6 +1,5 @@
 class MergeWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(merge_request_id, current_user_id, params)
     params = params.with_indifferent_access
diff --git a/app/workers/namespaceless_project_destroy_worker.rb b/app/workers/namespaceless_project_destroy_worker.rb
index f1cd1769421..adb25c2a170 100644
--- a/app/workers/namespaceless_project_destroy_worker.rb
+++ b/app/workers/namespaceless_project_destroy_worker.rb
@@ -5,14 +5,9 @@
 # The worker will reject doing anything for projects that *do* have a
 # namespace. For those use ProjectDestroyWorker instead.
 class NamespacelessProjectDestroyWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
   include ExceptionBacktrace
 
-  def self.bulk_perform_async(args_list)
-    Sidekiq::Client.push_bulk('class' => self, 'queue' => sidekiq_options['queue'], 'args' => args_list)
-  end
-
   def perform(project_id)
     begin
       project = Project.unscoped.find(project_id)
diff --git a/app/workers/new_issue_worker.rb b/app/workers/new_issue_worker.rb
index d9a8e892e90..3bc030f9c62 100644
--- a/app/workers/new_issue_worker.rb
+++ b/app/workers/new_issue_worker.rb
@@ -1,6 +1,5 @@
 class NewIssueWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
   include NewIssuable
 
   def perform(issue_id, user_id)
diff --git a/app/workers/new_merge_request_worker.rb b/app/workers/new_merge_request_worker.rb
index 1910c490159..bda2a0ab59d 100644
--- a/app/workers/new_merge_request_worker.rb
+++ b/app/workers/new_merge_request_worker.rb
@@ -1,6 +1,5 @@
 class NewMergeRequestWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
   include NewIssuable
 
   def perform(merge_request_id, user_id)
diff --git a/app/workers/new_note_worker.rb b/app/workers/new_note_worker.rb
index 926162b8c53..67c54fbf10e 100644
--- a/app/workers/new_note_worker.rb
+++ b/app/workers/new_note_worker.rb
@@ -1,6 +1,5 @@
 class NewNoteWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   # Keep extra parameter to preserve backwards compatibility with
   # old `NewNoteWorker` jobs (can remove later)
diff --git a/app/workers/pages_worker.rb b/app/workers/pages_worker.rb
index 64788da7299..62f733c02fc 100644
--- a/app/workers/pages_worker.rb
+++ b/app/workers/pages_worker.rb
@@ -1,5 +1,5 @@
 class PagesWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
 
   sidekiq_options queue: :pages, retry: false
 
diff --git a/app/workers/pipeline_hooks_worker.rb b/app/workers/pipeline_hooks_worker.rb
index 30a75ec8435..661c29efe88 100644
--- a/app/workers/pipeline_hooks_worker.rb
+++ b/app/workers/pipeline_hooks_worker.rb
@@ -1,5 +1,5 @@
 class PipelineHooksWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :hooks
diff --git a/app/workers/pipeline_metrics_worker.rb b/app/workers/pipeline_metrics_worker.rb
index 070943f1ecc..d46d1f122fc 100644
--- a/app/workers/pipeline_metrics_worker.rb
+++ b/app/workers/pipeline_metrics_worker.rb
@@ -1,5 +1,5 @@
 class PipelineMetricsWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   def perform(pipeline_id)
diff --git a/app/workers/pipeline_notification_worker.rb b/app/workers/pipeline_notification_worker.rb
index cdb860b6675..a9a1168a6e3 100644
--- a/app/workers/pipeline_notification_worker.rb
+++ b/app/workers/pipeline_notification_worker.rb
@@ -1,5 +1,5 @@
 class PipelineNotificationWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   def perform(pipeline_id, recipients = nil)
diff --git a/app/workers/pipeline_process_worker.rb b/app/workers/pipeline_process_worker.rb
index 8c067d05081..07dbf6a971e 100644
--- a/app/workers/pipeline_process_worker.rb
+++ b/app/workers/pipeline_process_worker.rb
@@ -1,5 +1,5 @@
 class PipelineProcessWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :processing
diff --git a/app/workers/pipeline_schedule_worker.rb b/app/workers/pipeline_schedule_worker.rb
index 7320db1065e..c49758878a4 100644
--- a/app/workers/pipeline_schedule_worker.rb
+++ b/app/workers/pipeline_schedule_worker.rb
@@ -1,5 +1,5 @@
 class PipelineScheduleWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/pipeline_success_worker.rb b/app/workers/pipeline_success_worker.rb
index cb8bb2ffe75..68c40a259e1 100644
--- a/app/workers/pipeline_success_worker.rb
+++ b/app/workers/pipeline_success_worker.rb
@@ -1,5 +1,5 @@
 class PipelineSuccessWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :processing
diff --git a/app/workers/pipeline_update_worker.rb b/app/workers/pipeline_update_worker.rb
index 5fa399dff4c..24a8a9fbed5 100644
--- a/app/workers/pipeline_update_worker.rb
+++ b/app/workers/pipeline_update_worker.rb
@@ -1,5 +1,5 @@
 class PipelineUpdateWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :processing
diff --git a/app/workers/post_receive.rb b/app/workers/post_receive.rb
index b8f8d3750d9..f2b2c4428d3 100644
--- a/app/workers/post_receive.rb
+++ b/app/workers/post_receive.rb
@@ -1,6 +1,5 @@
 class PostReceive
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(gl_repository, identifier, changes)
     project, is_wiki = Gitlab::GlRepository.parse(gl_repository)
diff --git a/app/workers/process_commit_worker.rb b/app/workers/process_commit_worker.rb
index c0c03848a40..52eebe475ec 100644
--- a/app/workers/process_commit_worker.rb
+++ b/app/workers/process_commit_worker.rb
@@ -5,8 +5,7 @@
 # Consider using an extra worker if you need to add any extra (and potentially
 # slow) processing of commits.
 class ProcessCommitWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   # project_id - The ID of the project this commit belongs to.
   # user_id - The ID of the user that pushed the commit.
diff --git a/app/workers/project_cache_worker.rb b/app/workers/project_cache_worker.rb
index 505ff9e086e..f19bcbf946a 100644
--- a/app/workers/project_cache_worker.rb
+++ b/app/workers/project_cache_worker.rb
@@ -1,7 +1,6 @@
 # Worker for updating any project specific caches.
 class ProjectCacheWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   LEASE_TIMEOUT = 15.minutes.to_i
 
diff --git a/app/workers/project_destroy_worker.rb b/app/workers/project_destroy_worker.rb
index 3be7e686609..1ba854ca4cb 100644
--- a/app/workers/project_destroy_worker.rb
+++ b/app/workers/project_destroy_worker.rb
@@ -1,6 +1,5 @@
 class ProjectDestroyWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
   include ExceptionBacktrace
 
   def perform(project_id, user_id, params)
diff --git a/app/workers/project_export_worker.rb b/app/workers/project_export_worker.rb
index f13ac9e5db2..c100852374a 100644
--- a/app/workers/project_export_worker.rb
+++ b/app/workers/project_export_worker.rb
@@ -1,6 +1,5 @@
 class ProjectExportWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
   include ExceptionBacktrace
 
   sidekiq_options retry: 3
diff --git a/app/workers/project_migrate_hashed_storage_worker.rb b/app/workers/project_migrate_hashed_storage_worker.rb
index 127aa6b9d7d..d01eb744e5d 100644
--- a/app/workers/project_migrate_hashed_storage_worker.rb
+++ b/app/workers/project_migrate_hashed_storage_worker.rb
@@ -1,6 +1,5 @@
 class ProjectMigrateHashedStorageWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   LEASE_TIMEOUT = 30.seconds.to_i
 
diff --git a/app/workers/project_service_worker.rb b/app/workers/project_service_worker.rb
index 4883d848c53..75c4b8b3663 100644
--- a/app/workers/project_service_worker.rb
+++ b/app/workers/project_service_worker.rb
@@ -1,6 +1,5 @@
 class ProjectServiceWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   sidekiq_options dead: false
 
diff --git a/app/workers/propagate_service_template_worker.rb b/app/workers/propagate_service_template_worker.rb
index 6b607451c7a..635a97c99af 100644
--- a/app/workers/propagate_service_template_worker.rb
+++ b/app/workers/propagate_service_template_worker.rb
@@ -1,7 +1,6 @@
 # Worker for updating any project specific caches.
 class PropagateServiceTemplateWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   LEASE_TIMEOUT = 4.hours.to_i
 
diff --git a/app/workers/prune_old_events_worker.rb b/app/workers/prune_old_events_worker.rb
index 2b43bb19ad1..5ff62ab1369 100644
--- a/app/workers/prune_old_events_worker.rb
+++ b/app/workers/prune_old_events_worker.rb
@@ -1,5 +1,5 @@
 class PruneOldEventsWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/reactive_caching_worker.rb b/app/workers/reactive_caching_worker.rb
index 18b8daf4e1e..ef3ddb9024b 100644
--- a/app/workers/reactive_caching_worker.rb
+++ b/app/workers/reactive_caching_worker.rb
@@ -1,6 +1,5 @@
 class ReactiveCachingWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(class_name, id, *args)
     klass = begin
diff --git a/app/workers/remove_expired_group_links_worker.rb b/app/workers/remove_expired_group_links_worker.rb
index 2a619f83410..7e64c3070a8 100644
--- a/app/workers/remove_expired_group_links_worker.rb
+++ b/app/workers/remove_expired_group_links_worker.rb
@@ -1,5 +1,5 @@
 class RemoveExpiredGroupLinksWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/remove_expired_members_worker.rb b/app/workers/remove_expired_members_worker.rb
index 31f652e5f9b..d80b3b15840 100644
--- a/app/workers/remove_expired_members_worker.rb
+++ b/app/workers/remove_expired_members_worker.rb
@@ -1,5 +1,5 @@
 class RemoveExpiredMembersWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/remove_old_web_hook_logs_worker.rb b/app/workers/remove_old_web_hook_logs_worker.rb
index 555e1bb8691..87fed42d7ce 100644
--- a/app/workers/remove_old_web_hook_logs_worker.rb
+++ b/app/workers/remove_old_web_hook_logs_worker.rb
@@ -1,5 +1,5 @@
 class RemoveOldWebHookLogsWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   WEB_HOOK_LOG_LIFETIME = 2.days
diff --git a/app/workers/remove_unreferenced_lfs_objects_worker.rb b/app/workers/remove_unreferenced_lfs_objects_worker.rb
index b80f131d5f7..8daf079fc31 100644
--- a/app/workers/remove_unreferenced_lfs_objects_worker.rb
+++ b/app/workers/remove_unreferenced_lfs_objects_worker.rb
@@ -1,5 +1,5 @@
 class RemoveUnreferencedLfsObjectsWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/repository_archive_cache_worker.rb b/app/workers/repository_archive_cache_worker.rb
index e47069df189..86a258cf94f 100644
--- a/app/workers/repository_archive_cache_worker.rb
+++ b/app/workers/repository_archive_cache_worker.rb
@@ -1,5 +1,5 @@
 class RepositoryArchiveCacheWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/repository_check/batch_worker.rb b/app/workers/repository_check/batch_worker.rb
index b94d83bd709..76688cf51c1 100644
--- a/app/workers/repository_check/batch_worker.rb
+++ b/app/workers/repository_check/batch_worker.rb
@@ -1,6 +1,6 @@
 module RepositoryCheck
   class BatchWorker
-    include Sidekiq::Worker
+    include ApplicationWorker
     include CronjobQueue
 
     RUN_TIME = 3600
diff --git a/app/workers/repository_check/clear_worker.rb b/app/workers/repository_check/clear_worker.rb
index 85bc9103538..97b89dc3db5 100644
--- a/app/workers/repository_check/clear_worker.rb
+++ b/app/workers/repository_check/clear_worker.rb
@@ -1,6 +1,6 @@
 module RepositoryCheck
   class ClearWorker
-    include Sidekiq::Worker
+    include ApplicationWorker
     include RepositoryCheckQueue
 
     def perform
diff --git a/app/workers/repository_check/single_repository_worker.rb b/app/workers/repository_check/single_repository_worker.rb
index 3d4bee15f1c..4e3c691e8da 100644
--- a/app/workers/repository_check/single_repository_worker.rb
+++ b/app/workers/repository_check/single_repository_worker.rb
@@ -1,6 +1,6 @@
 module RepositoryCheck
   class SingleRepositoryWorker
-    include Sidekiq::Worker
+    include ApplicationWorker
     include RepositoryCheckQueue
 
     def perform(project_id)
diff --git a/app/workers/repository_fork_worker.rb b/app/workers/repository_fork_worker.rb
index 001c11b73e1..a07ef1705a1 100644
--- a/app/workers/repository_fork_worker.rb
+++ b/app/workers/repository_fork_worker.rb
@@ -1,9 +1,8 @@
 class RepositoryForkWorker
   ForkError = Class.new(StandardError)
 
-  include Sidekiq::Worker
+  include ApplicationWorker
   include Gitlab::ShellAdapter
-  include DedicatedSidekiqQueue
   include ProjectStartImport
 
   sidekiq_options status_expiration: StuckImportJobsWorker::IMPORT_JOBS_EXPIRATION
diff --git a/app/workers/repository_import_worker.rb b/app/workers/repository_import_worker.rb
index 4e90b137b26..55715c83cb1 100644
--- a/app/workers/repository_import_worker.rb
+++ b/app/workers/repository_import_worker.rb
@@ -1,8 +1,7 @@
 class RepositoryImportWorker
   ImportError = Class.new(StandardError)
 
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
   include ExceptionBacktrace
   include ProjectStartImport
 
diff --git a/app/workers/requests_profiles_worker.rb b/app/workers/requests_profiles_worker.rb
index 703b025d76e..55c236e9e9d 100644
--- a/app/workers/requests_profiles_worker.rb
+++ b/app/workers/requests_profiles_worker.rb
@@ -1,5 +1,5 @@
 class RequestsProfilesWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/schedule_update_user_activity_worker.rb b/app/workers/schedule_update_user_activity_worker.rb
index 6c2c3e437f3..d9376577597 100644
--- a/app/workers/schedule_update_user_activity_worker.rb
+++ b/app/workers/schedule_update_user_activity_worker.rb
@@ -1,5 +1,5 @@
 class ScheduleUpdateUserActivityWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform(batch_size = 500)
diff --git a/app/workers/stage_update_worker.rb b/app/workers/stage_update_worker.rb
index c301cea5ad6..69f2318d83b 100644
--- a/app/workers/stage_update_worker.rb
+++ b/app/workers/stage_update_worker.rb
@@ -1,5 +1,5 @@
 class StageUpdateWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include PipelineQueue
 
   enqueue_in group: :processing
diff --git a/app/workers/storage_migrator_worker.rb b/app/workers/storage_migrator_worker.rb
index b48ead799b9..f92421a667d 100644
--- a/app/workers/storage_migrator_worker.rb
+++ b/app/workers/storage_migrator_worker.rb
@@ -1,6 +1,5 @@
 class StorageMigratorWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   BATCH_SIZE = 100
 
diff --git a/app/workers/stuck_ci_jobs_worker.rb b/app/workers/stuck_ci_jobs_worker.rb
index 367e227f680..fb26fa4c515 100644
--- a/app/workers/stuck_ci_jobs_worker.rb
+++ b/app/workers/stuck_ci_jobs_worker.rb
@@ -1,5 +1,5 @@
 class StuckCiJobsWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   EXCLUSIVE_LEASE_KEY = 'stuck_ci_builds_worker_lease'.freeze
diff --git a/app/workers/stuck_import_jobs_worker.rb b/app/workers/stuck_import_jobs_worker.rb
index f850e459cd9..e0e6d1418de 100644
--- a/app/workers/stuck_import_jobs_worker.rb
+++ b/app/workers/stuck_import_jobs_worker.rb
@@ -1,5 +1,5 @@
 class StuckImportJobsWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   IMPORT_JOBS_EXPIRATION = 15.hours.to_i
diff --git a/app/workers/stuck_merge_jobs_worker.rb b/app/workers/stuck_merge_jobs_worker.rb
index a396c0f27b2..36d2a2e6466 100644
--- a/app/workers/stuck_merge_jobs_worker.rb
+++ b/app/workers/stuck_merge_jobs_worker.rb
@@ -1,5 +1,5 @@
 class StuckMergeJobsWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/system_hook_push_worker.rb b/app/workers/system_hook_push_worker.rb
index e43bbe35de9..ceeaaf8d189 100644
--- a/app/workers/system_hook_push_worker.rb
+++ b/app/workers/system_hook_push_worker.rb
@@ -1,6 +1,5 @@
 class SystemHookPushWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(push_data, hook_id)
     SystemHooksService.new.execute_hooks(push_data, hook_id)
diff --git a/app/workers/trending_projects_worker.rb b/app/workers/trending_projects_worker.rb
index 0531630d13a..7eb65452a7d 100644
--- a/app/workers/trending_projects_worker.rb
+++ b/app/workers/trending_projects_worker.rb
@@ -1,5 +1,5 @@
 class TrendingProjectsWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include CronjobQueue
 
   def perform
diff --git a/app/workers/update_merge_requests_worker.rb b/app/workers/update_merge_requests_worker.rb
index afc47fc63d6..74bb9993275 100644
--- a/app/workers/update_merge_requests_worker.rb
+++ b/app/workers/update_merge_requests_worker.rb
@@ -1,6 +1,5 @@
 class UpdateMergeRequestsWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   LOG_TIME_THRESHOLD = 90 # seconds
 
diff --git a/app/workers/update_user_activity_worker.rb b/app/workers/update_user_activity_worker.rb
index 31bbdb69edb..27ec5cd33fb 100644
--- a/app/workers/update_user_activity_worker.rb
+++ b/app/workers/update_user_activity_worker.rb
@@ -1,6 +1,5 @@
 class UpdateUserActivityWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(pairs)
     pairs = cast_data(pairs)
diff --git a/app/workers/upload_checksum_worker.rb b/app/workers/upload_checksum_worker.rb
index 78931f1258f..9222760c031 100644
--- a/app/workers/upload_checksum_worker.rb
+++ b/app/workers/upload_checksum_worker.rb
@@ -1,6 +1,5 @@
 class UploadChecksumWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   def perform(upload_id)
     upload = Upload.find(upload_id)
diff --git a/app/workers/wait_for_cluster_creation_worker.rb b/app/workers/wait_for_cluster_creation_worker.rb
index 241ed3901dc..19cdb279aaa 100644
--- a/app/workers/wait_for_cluster_creation_worker.rb
+++ b/app/workers/wait_for_cluster_creation_worker.rb
@@ -1,5 +1,5 @@
 class WaitForClusterCreationWorker
-  include Sidekiq::Worker
+  include ApplicationWorker
   include ClusterQueue
 
   def perform(cluster_id)
diff --git a/app/workers/web_hook_worker.rb b/app/workers/web_hook_worker.rb
index 713c0228040..dfc3f33ad9d 100644
--- a/app/workers/web_hook_worker.rb
+++ b/app/workers/web_hook_worker.rb
@@ -1,6 +1,5 @@
 class WebHookWorker
-  include Sidekiq::Worker
-  include DedicatedSidekiqQueue
+  include ApplicationWorker
 
   sidekiq_options retry: 4, dead: false