Merge branch 'master' into 3551-epic-issues

* master: (22 commits)
  Delete epic
  Fix markdown for other components
  Fixup markdown document structure
  Correct typo: bundle -> bundled
  Prune setting of postgresql['sql_user_password']
  [Geo][error handling] [address review comments] catching some errors
  Move EE-only /app/workers files under top-level /ee directory
  Fix approvals responsive wrapping on mobile
  EE port of enable-scss-lint-unnecessary-mantissa
  Update docs for ajusted queries
  Update queries to remove duplicate entries
  Geo: address review comments
  Geo: Fix static analysis
  update changelog
  GEO: Error handling - Specs
  GEO: Address review comments
  Geo: Implement a download to a temporary repo
  Geo: Add specs for error handling
  Geo: Add progressive backoff for file download retries[ci skip]
  Geo Add forced redownload for some type of errors[ci skip]
  ...

.scss-lint.yml

@@ -241,7 +241,7 @@ linters:
 
   # Numeric values should not contain unnecessary fractional portions.
   UnnecessaryMantissa:
-    enabled: false
+    enabled: true
 
   # Do not use parent selector references (&) when they would otherwise
   # be unnecessary.

app/assets/javascripts/issue_show/components/app.vue

@@ -29,6 +29,11 @@ export default {
       required: false,
       default: false,
     },
+    showDeleteButton: {
+      type: Boolean,
+      required: false,
+      default: true,
+    },
     issuableRef: {
       type: String,
       required: true,
@@ -92,6 +97,11 @@ export default {
       type: String,
       required: true,
     },
+    issuableType: {
+      type: String,
+      required: false,
+      default: 'issue',
+    },
   },
   data() {
     const store = new Store({
@@ -157,21 +167,21 @@ export default {
         })
         .catch(() => {
           eventHub.$emit('close.form');
-          window.Flash('Error updating issue');
+          window.Flash(`Error updating ${this.issuableType}`);
         });
     },
     deleteIssuable() {
       this.service.deleteIssuable()
         .then(res => res.json())
         .then((data) => {
-          // Stop the poll so we don't get 404's with the issue not existing
+          // Stop the poll so we don't get 404's with the issuable not existing
           this.poll.stop();
 
           gl.utils.visitUrl(data.web_url);
         })
         .catch(() => {
           eventHub.$emit('close.form');
-          window.Flash('Error deleting issue');
+          window.Flash(`Error deleting ${this.issuableType}`);
         });
     },
   },
@@ -223,6 +233,7 @@ export default {
       :markdown-preview-path="markdownPreviewPath"
       :project-path="projectPath"
       :project-namespace="projectNamespace"
+      :show-delete-button="showDeleteButton"
     />
     <div v-else>
       <title-component

app/assets/javascripts/issue_show/components/edit_actions.vue

@@ -13,6 +13,11 @@
         type: Object,
         required: true,
       },
+      showDeleteButton: {
+        type: Boolean,
+        required: false,
+        default: true,
+      },
     },
     data() {
       return {
@@ -23,6 +28,9 @@
       isSubmitEnabled() {
         return this.formState.title.trim() !== '';
       },
+      shouldShowDeleteButton() {
+        return this.canDestroy && this.showDeleteButton;
+      },
     },
     methods: {
       closeForm() {
@@ -62,7 +70,7 @@
       Cancel
     </button>
     <button
-      v-if="canDestroy"
+      v-if="shouldShowDeleteButton"
       class="btn btn-danger pull-right append-right-default"
       :class="{ disabled: deleteLoading }"
       type="button"

app/assets/javascripts/issue_show/components/form.vue

@@ -36,6 +36,11 @@
         type: String,
         required: true,
       },
+      showDeleteButton: {
+        type: Boolean,
+        required: false,
+        default: true,
+      },
     },
     components: {
       lockedWarning,
@@ -81,6 +86,7 @@
       :markdown-docs-path="markdownDocsPath" />
     <edit-actions
       :form-state="formState"
-      :can-destroy="canDestroy" />
+      :can-destroy="canDestroy"
+      :show-delete-button="showDeleteButton" />
   </form>
 </template>

app/assets/javascripts/vue_shared/components/loading_button.vue

@@ -35,6 +35,11 @@ export default {
       type: String,
       required: false,
     },
+    containerClass: {
+      type: String,
+      required: false,
+      default: 'btn btn-align-content',
+    },
   },
   components: {
     loadingIcon,
@@ -49,9 +54,9 @@ export default {
 
 <template>
   <button
-    class="btn btn-align-content"
     @click="onClick"
     type="button"
+    :class="containerClass"
     :disabled="loading || disabled"
   >
       <transition name="fade">

app/assets/stylesheets/framework/blocks.scss

@@ -353,3 +353,7 @@
   display: -webkit-flex;
   display: flex;
 }
+
+.flex-right {
+  margin-left: auto;
+}

app/assets/stylesheets/framework/files.scss

@@ -101,13 +101,13 @@
 
     @for $i from 0 through 5 {
       .legend-box-#{$i} {
-        background-color: mix($blame-cyan, $blame-blue, $i / 5.0 * 100%);
+        background-color: mix($blame-cyan, $blame-blue, $i / 5 * 100%);
       }
     }
 
     @for $i from 1 through 4 {
       .legend-box-#{$i + 5} {
-        background-color: mix($blame-gray, $blame-cyan, $i / 4.0 * 100%);
+        background-color: mix($blame-gray, $blame-cyan, $i / 4 * 100%);
       }
     }
   }
@@ -200,13 +200,13 @@
 
       @for $i from 0 through 5 {
         td.blame-commit-age-#{$i} {
-          border-left-color: mix($blame-cyan, $blame-blue, $i / 5.0 * 100%);
+          border-left-color: mix($blame-cyan, $blame-blue, $i / 5 * 100%);
         }
       }
 
       @for $i from 1 through 4 {
         td.blame-commit-age-#{$i + 5} {
-          border-left-color: mix($blame-gray, $blame-cyan, $i / 4.0 * 100%);
+          border-left-color: mix($blame-gray, $blame-cyan, $i / 4 * 100%);
         }
       }
     }

app/assets/stylesheets/framework/variables.scss

@@ -164,7 +164,7 @@ $gl-text-color: #2e2e2e;
 $gl-text-color-secondary: #707070;
 $gl-text-color-tertiary: #949494;
 $gl-text-color-quaternary: #d6d6d6;
-$gl-text-color-inverted: rgba(255, 255, 255, 1.0);
+$gl-text-color-inverted: rgba(255, 255, 255, 1);
 $gl-text-color-secondary-inverted: rgba(255, 255, 255, .85);
 $gl-text-green: $green-600;
 $gl-text-green-hover: $green-700;
@@ -493,8 +493,8 @@ $callout-success-color: $green-700;
 /*
 * Commit Page
 */
-$commit-max-width-marker-color: rgba(0, 0, 0, 0.0);
-$commit-message-text-area-bg: rgba(0, 0, 0, 0.0);
+$commit-max-width-marker-color: rgba(0, 0, 0, 0);
+$commit-message-text-area-bg: rgba(0, 0, 0, 0);
 
 /*
 * Common

app/assets/stylesheets/pages/environments.scss

@@ -333,7 +333,7 @@
 
 .prometheus-graph-overlay {
   fill: none;
-  opacity: 0.0;
+  opacity: 0;
   pointer-events: all;
 }
 

app/assets/stylesheets/pages/merge_requests.scss

@@ -715,13 +715,16 @@
 .approvals-footer {
   display: flex;
 
-  .approvers-prefix,
-  .approvers-list {
+  .approvers-prefix {
     display: flex;
     align-items: center;
+    flex-wrap: wrap;
   }
 
   .approvers-list {
+    display: flex;
+    align-items: center;
+
     .link-to-member-avatar:not(:first-child) {
       img {
         margin-left: 0;

app/assets/stylesheets/pages/note_form.scss

@@ -7,7 +7,7 @@
 
 .diff-file .diff-content {
   tr.line_holder:hover > td .line_note_link {
-    opacity: 1.0;
+    opacity: 1;
     filter: alpha(opacity = 100);
   }
 }

app/models/geo/file_registry.rb

 class Geo::FileRegistry < Geo::BaseRegistry
   scope :failed, -> { where(success: false) }
   scope :synced, -> { where(success: true) }
+  scope :retry_due, -> { where('retry_at is NULL OR retry_at < ?', Time.now) }
   scope :lfs_objects, -> { where(file_type: :lfs) }
   scope :attachments, -> { where(file_type: Geo::FileService::DEFAULT_OBJECT_TYPES) }
 end

app/models/geo/project_registry.rb

@@ -15,6 +15,15 @@ class Geo::ProjectRegistry < Geo::BaseRegistry
     where(repository_sync_failed.or(wiki_sync_failed))
   end
 
+  def self.retry_due
+    where(
+      arel_table[:repository_retry_at].lt(Time.now)
+        .or(arel_table[:wiki_retry_at].lt(Time.now))
+        .or(arel_table[:repository_retry_at].eq(nil))
+        .or(arel_table[:wiki_retry_at].eq(nil))
+    )
+  end
+
   def self.synced
     where.not(last_repository_synced_at: nil, last_repository_successful_sync_at: nil)
       .where(resync_repository: false, resync_wiki: false)
@@ -39,10 +48,16 @@ class Geo::ProjectRegistry < Geo::BaseRegistry
   end
 
   def repository_sync_needed?(timestamp)
-    resync_repository? && (last_repository_synced_at.nil? || timestamp > last_repository_synced_at)
+    return false unless resync_repository?
+    return false if repository_retry_at && timestamp < repository_retry_at
+
+    last_repository_synced_at.nil? || timestamp > last_repository_synced_at
   end
 
   def wiki_sync_needed?(timestamp)
-    resync_wiki? && (last_wiki_synced_at.nil? || timestamp > last_wiki_synced_at)
+    return false unless resync_wiki?
+    return false if wiki_retry_at && timestamp < wiki_retry_at
+
+    last_wiki_synced_at.nil? || timestamp > last_wiki_synced_at
   end
 end

app/services/geo/base_sync_service.rb

+require 'securerandom'
+
 module Geo
   # The clone_url_prefix is used to build URLs for the Geo synchronization
   # If this is missing from the primary node we raise this exception
@@ -6,6 +8,7 @@ module Geo
   class BaseSyncService
     include ExclusiveLeaseGuard
     include ::Gitlab::Geo::ProjectLogHelpers
+    include Delay
 
     class << self
       attr_accessor :type
@@ -15,6 +18,8 @@ module Geo
 
     LEASE_TIMEOUT    = 8.hours.freeze
     LEASE_KEY_PREFIX = 'geo_sync_service'.freeze
+    RETRY_BEFORE_REDOWNLOAD = 5
+    RETRY_LIMIT = 8
 
     def initialize(project)
       @project = project
@@ -23,7 +28,18 @@ module Geo
     def execute
       try_obtain_lease do
         log_info("Started #{type} sync")
-        sync_repository
+
+        if should_be_retried?
+          sync_repository
+        elsif should_be_redownloaded?
+          sync_repository(true)
+        else
+          # Clean up the state of sync to start a new cycle
+          registry.delete
+          log_info("Clean up #{type} sync status")
+          return
+        end
+
         log_info("Finished #{type} sync")
       end
     end
@@ -48,6 +64,22 @@ module Geo
 
     private
 
+    def retry_count
+      registry.public_send("#{type}_retry_count") || 0 # rubocop:disable GitlabSecurity/PublicSend
+    end
+
+    def should_be_retried?
+      return false if registry.public_send("force_to_redownload_#{type}")  # rubocop:disable GitlabSecurity/PublicSend
+
+      retry_count <= RETRY_BEFORE_REDOWNLOAD
+    end
+
+    def should_be_redownloaded?
+      return true if registry.public_send("force_to_redownload_#{type}") # rubocop:disable GitlabSecurity/PublicSend
+
+      (RETRY_BEFORE_REDOWNLOAD..RETRY_LIMIT) === retry_count
+    end
+
     def sync_repository
       raise NotImplementedError, 'This class should implement sync_repository method'
     end
@@ -101,11 +133,17 @@ module Geo
 
       attrs = {}
 
-      attrs["last_#{type}_synced_at"] = started_at if started_at
+      if started_at
+        attrs["last_#{type}_synced_at"] = started_at
+        attrs["#{type}_retry_count"] = retry_count + 1
+        attrs["#{type}_retry_at"] = Time.now + delay(attrs["#{type}_retry_count"]).seconds
+      end
 
       if finished_at
         attrs["last_#{type}_successful_sync_at"] = finished_at
         attrs["resync_#{type}"] = false
+        attrs["#{type}_retry_count"] = nil
+        attrs["#{type}_retry_at"] = nil
       end
 
       registry.update!(attrs)
@@ -134,5 +172,43 @@ module Geo
     def last_synced_at
       registry.public_send("last_#{type}_synced_at") # rubocop:disable GitlabSecurity/PublicSend
     end
+
+    def disk_path_temp
+      unless @disk_path_temp
+        random_string = SecureRandom.hex(7)
+        @disk_path_temp = "#{repository.disk_path}_#{random_string}"
+      end
+
+      @disk_path_temp
+    end
+
+    def build_temporary_repository
+      unless gitlab_shell.add_repository(project.repository_storage, disk_path_temp)
+        raise Gitlab::Shell::Error, 'Can not create a temporary repository'
+      end
+
+      repository.clone.tap { |repo| repo.disk_path = disk_path_temp }
+    end
+
+    def clean_up_temporary_repository
+      gitlab_shell.remove_repository(project.repository_storage_path, disk_path_temp)
+    end
+
+    def set_temp_repository_as_main
+      log_info(
+        "Setting newly downloaded repository as main",
+        storage_path: project.repository_storage_path,
+        temp_path: disk_path_temp,
+        disk_path: repository.disk_path
+      )
+
+      unless gitlab_shell.remove_repository(project.repository_storage_path, repository.disk_path)
+        raise Gitlab::Shell::Error, 'Can not remove outdated main repository to replace it'
+      end
+
+      unless gitlab_shell.mv_repository(project.repository_storage_path, disk_path_temp, repository.disk_path)
+        raise Gitlab::Shell::Error, 'Can not move temporary repository'
+      end
+    end
   end
 end

app/services/geo/file_download_service.rb

@@ -2,6 +2,8 @@ module Geo
   class FileDownloadService < FileService
     LEASE_TIMEOUT = 8.hours.freeze
 
+    include Delay
+
     def execute
       try_obtain_lease do |lease|
         start_time = Time.now
@@ -45,6 +47,13 @@ module Geo
 
       transfer.bytes = bytes_downloaded
       transfer.success = success
+
+      unless success
+        # We don't limit the amount of retries
+        transfer.retry_count = (transfer.retry_count || 0) + 1
+        transfer.retry_at = Time.now + delay(transfer.retry_count).seconds
+      end
+
       transfer.save
     end
 

app/services/geo/repository_sync_service.rb

 module Geo
   class RepositorySyncService < BaseSyncService
+    include Gitlab::ShellAdapter
+
     self.type = :repository
 
     private
 
-    def sync_repository
-      fetch_project_repository
+    def sync_repository(redownload = false)
+      fetch_project_repository(redownload)
       expire_repository_caches
     end
 
-    def fetch_project_repository
-      log_info('Fetching project repository')
+    def fetch_project_repository(redownload)
+      log_info('Trying to fetch project repository')
       update_registry(started_at: DateTime.now)
 
-      begin
+      if redownload
+        log_info('Redownloading repository')
+        fetch_geo_mirror(build_temporary_repository)
+        set_temp_repository_as_main
+      else
         project.ensure_repository
         fetch_geo_mirror(project.repository)
-        update_registry(finished_at: DateTime.now)
-
-        log_info("Finished repository sync",
-                 update_delay_s: update_delay_in_seconds,
-                 download_time_s: download_time_in_seconds)
-      rescue Gitlab::Shell::Error,
-             Gitlab::Git::RepositoryMirroring::RemoteError,
-             Geo::EmptyCloneUrlPrefixError => e
-        log_error('Error syncing repository', e)
-      rescue Gitlab::Git::Repository::NoRepository => e
-        log_error('Invalid repository', e)
-        log_info('Expiring caches')
-        project.repository.after_create
       end
+
+      update_registry(finished_at: DateTime.now)
+      log_info('Finished repository sync',
+               update_delay_s: update_delay_in_seconds,
+               download_time_s: download_time_in_seconds)
+    rescue Gitlab::Shell::Error,
+           Gitlab::Git::RepositoryMirroring::RemoteError,
+           Geo::EmptyCloneUrlPrefixError => e
+      log_error('Error syncing repository', e)
+    rescue Gitlab::Git::Repository::NoRepository => e
+      log_error('Invalid repository', e)
+      log_info('Setting force_to_redownload flag')
+      registry.update(force_to_redownload_repository: true)
+      log_info('Expiring caches')
+      project.repository.after_create
+    ensure
+      clean_up_temporary_repository if redownload
     end
 
     def expire_repository_caches
@@ -40,5 +50,9 @@ module Geo
     def ssh_url_to_repo
       "#{primary_ssh_path_prefix}#{project.full_path}.git"
     end
+
+    def repository
+      project.repository
+    end
   end
 end

app/services/geo/wiki_sync_service.rb

 module Geo
   class WikiSyncService < BaseSyncService
+    include Gitlab::ShellAdapter
+
     self.type = :wiki
 
     private
 
-    def sync_repository
-      fetch_wiki_repository
+    def sync_repository(redownload = false)
+      fetch_wiki_repository(redownload)
     end
 
-    def fetch_wiki_repository
+    def fetch_wiki_repository(redownload)
       log_info('Fetching wiki repository')
       update_registry(started_at: DateTime.now)
 
-      begin
+      if redownload
+        log_info('Redownloading wiki')
+        fetch_geo_mirror(build_temporary_repository)
+        set_temp_repository_as_main
+      else
         project.wiki.ensure_repository
         fetch_geo_mirror(project.wiki.repository)
-        update_registry(finished_at: DateTime.now)
-
-        log_info("Finished wiki sync",
-                 update_delay_s: update_delay_in_seconds,
-                 download_time_s: download_time_in_seconds)
-      rescue Gitlab::Git::Repository::NoRepository,
-             Gitlab::Git::RepositoryMirroring::RemoteError,
-             Gitlab::Shell::Error,
-             ProjectWiki::CouldNotCreateWikiError,
-             Geo::EmptyCloneUrlPrefixError => e
-        log_error('Error syncing wiki repository', e)
       end
+
+      update_registry(finished_at: DateTime.now)
+
+      log_info('Finished wiki sync',
+               update_delay_s: update_delay_in_seconds,
+               download_time_s: download_time_in_seconds)
+    rescue Gitlab::Git::RepositoryMirroring::RemoteError,
+           Gitlab::Shell::Error,
+           ProjectWiki::CouldNotCreateWikiError,
+           Geo::EmptyCloneUrlPrefixError => e
+      log_error('Error syncing wiki repository', e)
+    rescue Gitlab::Git::Repository::NoRepository => e
+      log_error('Invalid wiki', e)
+      registry.update(force_to_redownload_wiki: true)
+    ensure
+      clean_up_temporary_repository if redownload
     end
 
     def ssh_url_to_wiki
       "#{primary_ssh_path_prefix}#{project.full_path}.wiki.git"
     end
+
+    def repository
+      project.wiki.repository
+    end
   end
 end

app/services/users/migrate_to_ghost_user_service.rb

@@ -6,6 +6,7 @@
 # when the user is destroyed.
 module Users
   class MigrateToGhostUserService
+    prepend EE::Users::MigrateToGhostUserService
     extend ActiveSupport::Concern
 
     attr_reader :ghost_user, :user

app/workers/concerns/delay.rb

+module Delay
+  # Progressive backoff. It's copied from Sidekiq as is
+  def delay(retry_count = 0)
+    (retry_count**4) + 15 + (rand(30) * (retry_count + 1))
+  end
+end

app/workers/geo/file_download_dispatch_worker.rb

@@ -33,6 +33,7 @@ module Geo
     def find_failed_objects(batch_size:)
       Geo::FileRegistry
         .failed
+        .retry_due
         .limit(batch_size)
         .pluck(:file_id, :file_type)
     end

app/workers/geo/repository_sync_worker.rb

@@ -33,6 +33,7 @@ module Geo
     def find_project_ids_updated_recently(batch_size:)
       current_node.project_registries
                   .dirty
+                  .retry_due
                   .order(Gitlab::Database.nulls_first_order(:last_repository_synced_at, :desc))
                   .limit(batch_size)
                   .pluck(:project_id)

changelogs/unreleased-ee/3119-improve-error-recovery.yml

+---
+title: Improve error handling
+merge_request:
+author:
+type: added

changelogs/unreleased-ee/3333-fix-approvals-prefix-responsiveness.yml

+---
+title: Fix Merge Request Widget Approvals responsiveness on mobile
+merge_request:
+author:
+type: fixed

changelogs/unreleased-ee/delete-epic.yml

+---
+title: Add delete epic button
+merge_request:
+author:
+type: added

config/prometheus/additional_metrics.yml

@@ -145,10 +145,10 @@
       - container_memory_usage_bytes
     weight: 1
     queries:
-    - query_range: '(sum(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}"}) / count(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}"})) /1024/1024'
+    - query_range: '(sum(avg(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}"}) without (job))) / count(avg(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}"}) without (job)) /1024/1024'
       label: Average
       unit: MB
-    - query_range: '(sum(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}-canary"}) / count(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}-canary"})) /1024/1024'
+    - query_range: '(sum(avg(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}-canary"}) without (job))) / count(avg(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}-canary"}) without (job)) /1024/1024'
       label: Average
       unit: MB
       track: canary
@@ -158,10 +158,10 @@
      - container_cpu_usage_seconds_total
     weight: 1
     queries:
-    - query_range: 'sum(rate(container_cpu_usage_seconds_total{container_name!="POD",environment="%{ci_environment_slug}"}[2m])) * 100'
-      label: CPU
+    - query_range: 'sum(avg(rate(container_cpu_usage_seconds_total{container_name!="POD",environment="%{ci_environment_slug}"}[2m])) without (job)) * 100'
+      label: Average
       unit: "%"
-    - query_range: 'sum(rate(container_cpu_usage_seconds_total{container_name!="POD",environment="%{ci_environment_slug}-canary"}[2m])) * 100'
-      label: CPU
+    - query_range: 'sum(avg(rate(container_cpu_usage_seconds_total{container_name!="POD",environment="%{ci_environment_slug}-canary"}[2m])) without (job)) * 100'
+      label: Average
       unit: "%"
-      track: canary
+      track: canary
\ No newline at end of file

db/geo/migrate/20171101105200_add_retry_count_fields_to_registries.rb

+class AddRetryCountFieldsToRegistries < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_column :file_registry, :retry_count, :integer
+    add_column :file_registry, :retry_at, :datetime
+
+    add_column :project_registry, :repository_retry_count, :integer
+    add_column :project_registry, :repository_retry_at, :datetime
+    add_column :project_registry, :force_to_redownload_repository, :boolean
+
+    add_column :project_registry, :wiki_retry_count, :integer
+    add_column :project_registry, :wiki_retry_at, :datetime
+    add_column :project_registry, :force_to_redownload_wiki, :boolean
+
+    # Indecies
+    add_concurrent_index :file_registry, :retry_at
+    add_concurrent_index :project_registry, :repository_retry_at
+    add_concurrent_index :project_registry, :wiki_retry_at
+  end
+
+  def down
+    remove_column :file_registry, :retry_count, :integer
+    remove_column :file_registry, :retry_at, :datetime
+
+    remove_column :project_registry, :repository_retry_count, :integer
+    remove_column :project_registry, :repository_retry_at, :datetime
+    remove_column :project_registry, :force_to_redownload_repository, :boolean
+
+    remove_column :project_registry, :wiki_retry_count, :integer
+    remove_column :project_registry, :wiki_retry_at, :datetime
+    remove_column :project_registry, :force_to_redownload_wiki, :boolean
+  end
+end

db/geo/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20171009162209) do
+ActiveRecord::Schema.define(version: 20171101105200) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -26,10 +26,13 @@ ActiveRecord::Schema.define(version: 20171009162209) do
     t.string "sha256"
     t.datetime "created_at", null: false
     t.boolean "success", default: false, null: false
+    t.integer "retry_count"
+    t.datetime "retry_at"
   end
 
   add_index "file_registry", ["file_type", "file_id"], name: "index_file_registry_on_file_type_and_file_id", unique: true, using: :btree
   add_index "file_registry", ["file_type"], name: "index_file_registry_on_file_type", using: :btree
+  add_index "file_registry", ["retry_at"], name: "index_file_registry_on_retry_at", using: :btree
   add_index "file_registry", ["success"], name: "index_file_registry_on_success", using: :btree
 
   create_table "project_registry", force: :cascade do |t|
@@ -41,12 +44,20 @@ ActiveRecord::Schema.define(version: 20171009162209) do
     t.boolean "resync_wiki", default: true, null: false
     t.datetime "last_wiki_synced_at"
     t.datetime "last_wiki_successful_sync_at"
+    t.integer "repository_retry_count"
+    t.datetime "repository_retry_at"
+    t.boolean "force_to_redownload_repository"
+    t.integer "wiki_retry_count"
+    t.datetime "wiki_retry_at"
+    t.boolean "force_to_redownload_wiki"
   end
 
   add_index "project_registry", ["last_repository_successful_sync_at"], name: "index_project_registry_on_last_repository_successful_sync_at", using: :btree
   add_index "project_registry", ["last_repository_synced_at"], name: "index_project_registry_on_last_repository_synced_at", using: :btree
   add_index "project_registry", ["project_id"], name: "index_project_registry_on_project_id", unique: true, using: :btree
+  add_index "project_registry", ["repository_retry_at"], name: "index_project_registry_on_repository_retry_at", using: :btree
   add_index "project_registry", ["resync_repository"], name: "index_project_registry_on_resync_repository", using: :btree
   add_index "project_registry", ["resync_wiki"], name: "index_project_registry_on_resync_wiki", using: :btree
+  add_index "project_registry", ["wiki_retry_at"], name: "index_project_registry_on_wiki_retry_at", using: :btree
 
 end

doc/administration/high_availability/alpha_database.md

@@ -114,6 +114,7 @@ We will need the following password information for the application's database u
 
 - `POSTGRESQL_USER_PASSWORD`. The password for the database user
 - `POSTGRESQL_PASSWORD_HASH`. The md5 hash of POSTGRESQL_USER_PASSWORD
+
 #### Pgbouncer
 
 When using default setup, minimum configuration requires:
@@ -231,7 +232,6 @@ See `START user configuration` section in the next step for required information
     postgresql['hot_standby'] = 'on'
     postgresql['wal_level'] = 'replica'
     postgresql['shared_preload_libraries'] = 'repmgr_funcs'
-    postgresql['sql_user_password'] = 'POSTGRESQL_PASSWORD_HASH'
 
     # Disable automatic database migrations
     gitlab_rails['auto_migrate'] = false
@@ -626,9 +626,9 @@ On the consul server nodes, it is important to restart the consul service in a c
 
 If you're running into an issue with a component not outlined here, be sure to check the troubleshooting section of their specific documentation page.
 
-[Consul](consul.md#troubleshooting)
-[PostgreSQL](http://docs.gitlab.com/omnibus/settings/database.html#troubleshooting)
-[GitLab application](gitlab.md#troubleshooting)
+- [Consul](consul.md#troubleshooting)
+- [PostgreSQL](http://docs.gitlab.com/omnibus/settings/database.html#troubleshooting)
+- [GitLab application](gitlab.md#troubleshooting)
 
 ---
 

doc/administration/high_availability/consul.md

-# Working with the bundle Consul service
+# Working with the bundled Consul service
 
 ## Overview
 

doc/user/project/integrations/prometheus_library/kubernetes.md

@@ -13,8 +13,8 @@ integration services must be enabled.
 
 | Name | Query |
 | ---- | ----- |
-| Average Memory Usage (MB) | (sum(container_memory_usage_bytes{container_name!="POD",%{environment_filter}}) / count(container_memory_usage_bytes{container_name!="POD",%{environment_filter}})) /1024/1024 |
-| Average CPU Utilization (%) | sum(rate(container_cpu_usage_seconds_total{container_name!="POD",%{environment_filter}}[2m])) by (cpu)  * 100 |
+| Average Memory Usage (MB) | (sum(avg(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}"}) without (job))) / count(avg(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}"}) without (job)) /1024/1024 |
+| Average CPU Utilization (%) | sum(avg(rate(container_cpu_usage_seconds_total{container_name!="POD",environment="%{ci_environment_slug}"}[2m])) without (job)) * 100 |
 
 ## Configuring Prometheus to monitor for Kubernetes node metrics
 

ee/app/assets/javascripts/epics/epic_show/components/epic_header.vue

@@ -2,6 +2,8 @@
   import userAvatarLink from '~/vue_shared/components/user_avatar/user_avatar_link.vue';
   import timeagoTooltip from '~/vue_shared/components/time_ago_tooltip.vue';
   import tooltip from '~/vue_shared/directives/tooltip';
+  import loadingButton from '~/vue_shared/components/loading_button.vue';
+  import { s__ } from '~/locale';
 
   export default {
     name: 'epicHeader',
@@ -15,6 +17,16 @@
         type: String,
         required: true,
       },
+      canDelete: {
+        type: Boolean,
+        required: false,
+        default: false,
+      },
+    },
+    data() {
+      return {
+        deleteLoading: false,
+      };
     },
     directives: {
       tooltip,
@@ -22,6 +34,15 @@
     components: {
       userAvatarLink,
       timeagoTooltip,
+      loadingButton,
+    },
+    methods: {
+      deleteEpic() {
+        if (confirm(s__('Epic will be removed! Are you sure?'))) { // eslint-disable-line no-alert
+          this.deleteLoading = true;
+          this.$emit('deleteEpic');
+        }
+      },
     },
   };
 </script>
@@ -29,21 +50,26 @@
 <template>
   <div class="detail-page-header">
     <div class="issuable-meta">
-      Opened
-      <timeagoTooltip
-        :time="created"
-      />
-      by
+      {{ s__('Opened') }}
+      <timeago-tooltip :time="created" />
+      {{ s__('by') }}
       <strong>
         <user-avatar-link
           :link-href="author.url"
           :img-src="author.src"
           :img-size="24"
-          :tooltipText="author.username"
+          :tooltip-text="author.username"
           :username="author.name"
-          imgCssClasses="avatar-inline"
+          img-css-classes="avatar-inline"
         />
       </strong>
     </div>
+    <loading-button
+      v-if="canDelete"
+      :loading="deleteLoading"
+      @click="deleteEpic"
+      :label="s__('Delete')"
+      container-class="btn btn-remove btn-inverted flex-right"
+    />
   </div>
 </template>

ee/app/assets/javascripts/epics/epic_show/components/epic_show_app.vue

 <script>
   import issuableApp from '~/issue_show/components/app.vue';
+<<<<<<< HEAD
   import relatedIssuesRoot from '~/issuable/related_issues/components/related_issues_root.vue';
+=======
+  import issuableAppEventHub from '~/issue_show/event_hub';
+>>>>>>> master
   import epicHeader from './epic_header.vue';
   import epicSidebar from '../../sidebar/components/sidebar_app.vue';
 
@@ -74,17 +78,24 @@
         required: false,
       },
     },
+    data() {
+      return {
+        // Epics specific configuration
+        issuableRef: '',
+        projectPath: this.groupPath,
+        projectNamespace: '',
+      };
+    },
     components: {
       epicHeader,
       epicSidebar,
       issuableApp,
       relatedIssuesRoot,
     },
-    created() {
-      // Epics specific configuration
-      this.issuableRef = '';
-      this.projectPath = this.groupPath;
-      this.projectNamespace = '';
+    methods: {
+      deleteEpic() {
+        issuableAppEventHub.$emit('delete.issuable');
+      },
     },
   };
 </script>
@@ -94,6 +105,8 @@
     <epic-header
       :author="author"
       :created="created"
+      :canDelete="canDestroy"
+      @deleteEpic="deleteEpic"
     />
     <div class="issuable-details content-block">
       <div class="detail-page-description">
@@ -115,9 +128,21 @@
       </div>
       <epic-sidebar
         :endpoint="endpoint"
+        :issuable-ref="issuableRef"
+        :initial-title-html="initialTitleHtml"
+        :initial-title-text="initialTitleText"
+        :initial-description-html="initialDescriptionHtml"
+        :initial-description-text="initialDescriptionText"
+        :markdown-preview-path="markdownPreviewPath"
+        :markdown-docs-path="markdownDocsPath"
+        :project-path="projectPath"
+        :project-namespace="projectNamespace"
+        :show-inline-edit-button="true"
+        :show-delete-button="false"
+        issuable-type="epic"
         :editable="canUpdate"
-        :initialStartDate="startDate"
-        :initialEndDate="endDate"
+        :initial-start-date="startDate"
+        :initial-end-date="endDate"
       />
       <related-issues-root
         :endpoint="issueLinksEndpoint"

ee/app/assets/javascripts/epics/epic_show/epic_show_bundle.js

@@ -6,11 +6,7 @@ document.addEventListener('DOMContentLoaded', () => {
   const metaData = JSON.parse(el.dataset.meta);
   const initialData = JSON.parse(el.dataset.initial);
 
-  const props = Object.assign({}, initialData, metaData, {
-    // Current iteration does not enable users
-    // to delete epics
-    canDestroy: false,
-  });
+  const props = Object.assign({}, initialData, metaData);
 
   // Convert backend casing to match frontend style guide
   props.startDate = props.start_date;

ee/app/policies/ee/group_policy.rb

@@ -27,13 +27,15 @@ module EE
         enable :create_epic
         enable :admin_epic
         enable :update_epic
-        enable :destroy_epic
       end
 
+      rule { owner }.enable :destroy_epic
+
       rule { auditor }.policy do
         enable  :read_group
         enable  :read_epic
       end
+
       rule { admin }.enable :read_epic
       rule { has_projects }.enable :read_epic
 

ee/app/services/ee/users/migrate_to_ghost_user_service.rb

+module EE
+  module Users
+    module MigrateToGhostUserService
+      private
+
+      def migrate_records
+        migrate_epics
+        super
+      end
+
+      def migrate_epics
+        user.epics.update_all(author_id: ghost_user.id)
+        ::Epic.where(last_edited_by_id: user.id).update_all(last_edited_by_id: ghost_user.id)
+      end
+    end
+  end
+end

spec/ee/spec/controllers/groups/epics_controller_spec.rb

@@ -91,7 +91,7 @@ describe Groups::EpicsController do
 
   describe 'PUT #update' do
     before do
-      group.add_user(user, :developer)
+      group.add_developer(user)
       put :update, group_id: group, id: epic.to_param, epic: { title: 'New title' }, format: :json
     end
 
@@ -107,7 +107,7 @@ describe Groups::EpicsController do
   describe 'GET #realtime_changes' do
     subject { get :realtime_changes, group_id: group, id: epic.to_param }
     it 'returns epic' do
-      group.add_user(user, :developer)
+      group.add_developer(user)
       subject
 
       expect(response.content_type).to eq 'application/json'
@@ -122,4 +122,25 @@ describe Groups::EpicsController do
       end
     end
   end
+
+  describe "DELETE #destroy" do
+    before do
+      sign_in(user)
+    end
+
+    it "rejects a developer to destroy an epic" do
+      group.add_developer(user)
+      delete :destroy, group_id: group, id: epic.to_param
+
+      expect(response).to have_gitlab_http_status(404)
+    end
+
+    it "deletes the epic" do
+      group.add_owner(user)
+      delete :destroy, group_id: group, id: epic.to_param
+
+      expect(response).to have_gitlab_http_status(302)
+      expect(controller).to set_flash[:notice].to(/The epic was successfully deleted\./)
+    end
+  end
 end

spec/ee/spec/features/epics/delete_epic_spec.rb

+require 'spec_helper'
+
+feature 'Delete Epic', :js do
+  let(:user) { create(:user) }
+  let(:group) { create(:group, :public) }
+  let(:epic) { create(:epic, group: group) }
+  let!(:epic2) { create(:epic, group: group) }
+
+  before do
+    sign_in(user)
+  end
+
+  context 'when user who is not a group member displays the epic' do
+    it 'does not show the Delete button' do
+      visit group_epic_path(group, epic)
+
+      expect(page).not_to have_selector('.detail-page-header button')
+    end
+  end
+
+  context 'when user with owner access displays the epic' do
+    before do
+      group.add_owner(user)
+      visit group_epic_path(group, epic)
+      wait_for_requests
+    end
+
+    it 'deletes the issue and redirect to epic list' do
+      page.accept_alert 'Epic will be removed! Are you sure?' do
+        find('.detail-page-header button').click
+      end
+
+      wait_for_requests
+
+      expect(find('.issuable-list')).not_to have_content(epic.title)
+      expect(find('.issuable-list')).to have_content(epic2.title)
+    end
+  end
+end

spec/ee/spec/policies/epic_policy_spec.rb

@@ -32,6 +32,14 @@ describe EpicPolicy do
     it 'reporter group member can manage epics' do
       group.add_reporter(user)
 
+      expect(permissions(user, group)).to be_disallowed(:destroy_epic)
+      expect(permissions(user, group))
+        .to be_allowed(:read_epic, :update_epic, :admin_epic, :create_epic)
+    end
+
+    it 'only group owner can destroy epics' do
+      group.add_owner(user)
+
       expect(permissions(user, group))
         .to be_allowed(:read_epic, :update_epic, :destroy_epic, :admin_epic, :create_epic)
     end
@@ -60,6 +68,14 @@ describe EpicPolicy do
     it 'reporter group member can manage epics' do
       group.add_reporter(user)
 
+      expect(permissions(user, group)).to be_disallowed(:destroy_epic)
+      expect(permissions(user, group))
+        .to be_allowed(:read_epic, :update_epic, :admin_epic, :create_epic)
+    end
+
+    it 'only group owner can destroy epics' do
+      group.add_owner(user)
+
       expect(permissions(user, group))
         .to be_allowed(:read_epic, :update_epic, :destroy_epic, :admin_epic, :create_epic)
     end
@@ -88,6 +104,14 @@ describe EpicPolicy do
     it 'reporter group member can manage epics' do
       group.add_reporter(user)
 
+      expect(permissions(user, group)).to be_disallowed(:destroy_epic)
+      expect(permissions(user, group))
+        .to be_allowed(:read_epic, :update_epic, :admin_epic, :create_epic)
+    end
+
+    it 'only group owner can destroy epics' do
+      group.add_owner(user)
+
       expect(permissions(user, group))
         .to be_allowed(:read_epic, :update_epic, :destroy_epic, :admin_epic, :create_epic)
     end

spec/ee/spec/services/ee/users/migrate_to_ghost_user_service_spec.rb

+require 'spec_helper'
+
+describe Users::MigrateToGhostUserService do
+  context 'epics'  do
+    let!(:user)      { create(:user) }
+    let(:service)    { described_class.new(user) }
+
+    context 'deleted user is present as both author and edited_user' do
+      include_examples "migrating a deleted user's associated records to the ghost user", Epic, [:author, :last_edited_by] do
+        let(:created_record) do
+          create(:epic, group: create(:group), author: user, last_edited_by: user)
+        end
+      end
+    end
+
+    context 'deleted user is present only as edited_user' do
+      include_examples "migrating a deleted user's associated records to the ghost user", Epic, [:last_edited_by] do
+        let(:created_record) { create(:epic, group: create(:group), author: create(:user), last_edited_by: user) }
+      end
+    end
+  end
+end

spec/javascripts/epics/epic_show/components/epic_header_spec.js

@@ -31,4 +31,42 @@ describe('epicHeader', () => {
   it('should render username tooltip', () => {
     expect(vm.$el.querySelector('.user-avatar-link span').dataset.originalTitle).toEqual(author.username);
   });
+
+  describe('canDelete', () => {
+    it('should not show loading button by default', () => {
+      expect(vm.$el.querySelector('.btn-remove')).toBeNull();
+    });
+
+    it('should show loading button if canDelete', (done) => {
+      vm.canDelete = true;
+      Vue.nextTick(() => {
+        expect(vm.$el.querySelector('.btn-remove')).toBeDefined();
+        done();
+      });
+    });
+  });
+
+  describe('delete epic', () => {
+    let deleteEpic;
+
+    beforeEach((done) => {
+      deleteEpic = jasmine.createSpy();
+      spyOn(window, 'confirm').and.returnValue(true);
+      vm.canDelete = true;
+      vm.$on('deleteEpic', deleteEpic);
+
+      Vue.nextTick(() => {
+        vm.$el.querySelector('.btn-remove').click();
+        done();
+      });
+    });
+
+    it('should set deleteLoading', () => {
+      expect(vm.deleteLoading).toEqual(true);
+    });
+
+    it('should emit deleteEpic event', () => {
+      expect(deleteEpic).toHaveBeenCalled();
+    });
+  });
 });

spec/javascripts/epics/epic_show/components/epic_show_app_spec.js

@@ -3,6 +3,8 @@ import epicShowApp from 'ee/epics/epic_show/components/epic_show_app.vue';
 import epicHeader from 'ee/epics/epic_show/components/epic_header.vue';
 import epicSidebar from 'ee/epics/sidebar/components/sidebar_app.vue';
 import issuableApp from '~/issue_show/components/app.vue';
+import issuableAppEventHub from '~/issue_show/event_hub';
+import '~/lib/utils/url_utility';
 import mountComponent from '../../../helpers/vue_mount_component_helper';
 import { props } from '../mock_data';
 import issueShowData from '../../../issue_show/mock_data';
@@ -49,6 +51,7 @@ describe('EpicShowApp', () => {
     headerVm = mountComponent(EpicHeader, {
       author,
       created,
+      canDelete: canDestroy,
     });
 
     const IssuableApp = Vue.extend(issuableApp);
@@ -92,4 +95,14 @@ describe('EpicShowApp', () => {
   it('should render epic-sidebar', () => {
     expect(vm.$el.innerHTML.indexOf(sidebarVm.$el.innerHTML) !== -1).toEqual(true);
   });
+
+  it('should emit delete.issuable when epic is deleted', () => {
+    const deleteIssuable = jasmine.createSpy();
+    issuableAppEventHub.$on('delete.issuable', deleteIssuable);
+    spyOn(window, 'confirm').and.returnValue(true);
+    spyOn(gl.utils, 'visitUrl').and.callFake(() => {});
+
+    vm.$el.querySelector('.detail-page-header .btn-remove').click();
+    expect(deleteIssuable).toHaveBeenCalled();
+  });
 });

spec/javascripts/epics/epic_show/mock_data.js

@@ -2,7 +2,7 @@ export const contentProps = {
   endpoint: '',
   canAdmin: true,
   canUpdate: true,
-  canDestroy: false,
+  canDestroy: true,
   markdownPreviewPath: '',
   markdownDocsPath: '',
   issueLinksEndpoint: '/',

spec/javascripts/issue_show/components/app_spec.js

@@ -223,23 +223,46 @@ describe('Issuable output', () => {
       });
     });
 
-    it('closes form on error', (done) => {
-      spyOn(window, 'Flash').and.callThrough();
-      spyOn(vm.service, 'updateIssuable').and.callFake(() => new Promise((resolve, reject) => {
-        reject();
-      }));
+    describe('error when updating', () => {
+      beforeEach(() => {
+        spyOn(window, 'Flash').and.callThrough();
+        spyOn(vm.service, 'updateIssuable').and.callFake(() => new Promise((resolve, reject) => {
+          reject();
+        }));
+      });
 
-      vm.updateIssuable();
+      it('closes form on error', (done) => {
+        vm.updateIssuable();
 
-      setTimeout(() => {
-        expect(
-          eventHub.$emit,
-        ).toHaveBeenCalledWith('close.form');
-        expect(
-          window.Flash,
-        ).toHaveBeenCalledWith('Error updating issue');
+        setTimeout(() => {
+          expect(
+            eventHub.$emit,
+          ).toHaveBeenCalledWith('close.form');
+          expect(
+            window.Flash,
+          ).toHaveBeenCalledWith('Error updating issue');
 
-        done();
+          done();
+        });
+      });
+
+      it('returns the correct error message for issuableType', (done) => {
+        vm.issuableType = 'merge request';
+
+        Vue.nextTick(() => {
+          vm.updateIssuable();
+
+          setTimeout(() => {
+            expect(
+              eventHub.$emit,
+            ).toHaveBeenCalledWith('close.form');
+            expect(
+              window.Flash,
+            ).toHaveBeenCalledWith('Error updating merge request');
+
+            done();
+          });
+        });
       });
     });
   });

spec/javascripts/issue_show/components/edit_actions_spec.js

@@ -61,6 +61,15 @@ describe('Edit Actions components', () => {
     });
   });
 
+  it('should not show delete button if showDeleteButton is false', (done) => {
+    vm.showDeleteButton = false;
+
+    Vue.nextTick(() => {
+      expect(vm.$el.querySelector('.btn-danger')).toBeNull();
+      done();
+    });
+  });
+
   describe('updateIssuable', () => {
     it('sends update.issauble event when clicking save button', () => {
       vm.$el.querySelector('.btn-save').click();

spec/javascripts/vue_shared/components/loading_button_spec.js

@@ -66,6 +66,23 @@ describe('LoadingButton', function () {
     });
   });
 
+  describe('container class', () => {
+    it('should default to btn btn-align-content', () => {
+      vm = mountComponent(LoadingButton, {});
+      expect(vm.$el.classList.contains('btn')).toEqual(true);
+      expect(vm.$el.classList.contains('btn-align-content')).toEqual(true);
+    });
+
+    it('should be configurable through props', () => {
+      vm = mountComponent(LoadingButton, {
+        containerClass: 'test-class',
+      });
+      expect(vm.$el.classList.contains('btn')).toEqual(false);
+      expect(vm.$el.classList.contains('btn-align-content')).toEqual(false);
+      expect(vm.$el.classList.contains('test-class')).toEqual(true);
+    });
+  });
+
   describe('click callback prop', () => {
     it('calls given callback when normal', () => {
       vm = mountComponent(LoadingButton, {

spec/models/geo/file_registry_spec.rb

@@ -15,4 +15,13 @@ describe Geo::FileRegistry do
       expect(described_class.synced).to contain_exactly(synced)
     end
   end
+
+  describe '.retry_due' do
+    set(:retry_yesterday) { create(:geo_file_registry, retry_at: Date.yesterday) }
+    set(:retry_tomorrow) { create(:geo_file_registry, retry_at: Date.tomorrow) }
+
+    it 'returns registries in the synced state' do
+      expect(described_class.retry_due).not_to contain_exactly([retry_tomorrow])
+    end
+  end
 end

spec/models/geo/project_registry_spec.rb

@@ -38,6 +38,16 @@ describe Geo::ProjectRegistry do
     end
   end
 
+  describe '.retry_due' do
+    it 'returns projects that should be synced' do
+      create(:geo_project_registry, repository_retry_at: Date.yesterday, wiki_retry_at: Date.yesterday)
+      tomorrow = create(:geo_project_registry, repository_retry_at: Date.tomorrow, wiki_retry_at: Date.tomorrow)
+      create(:geo_project_registry)
+
+      expect(described_class.retry_due).not_to include(tomorrow)
+    end
+  end
+
   describe '#repository_sync_due?' do
     where(:resync_repository, :last_successful_sync, :last_sync, :expected) do
       now = Time.now

spec/policies/group_policy_spec.rb

@@ -26,6 +26,7 @@ describe GroupPolicy do
       :admin_namespace,
       :admin_group_member,
       :change_visibility_level,
+      :destroy_epic,
       (Gitlab::Database.postgresql? ? :create_subgroup : nil)
     ].compact
   end

spec/services/geo/base_sync_service_spec.rb

@@ -9,10 +9,10 @@ describe Geo::BaseSyncService do
 
   describe '#lease_key' do
     it 'returns a key in the correct pattern' do
-      described_class.type = :test
+      allow(described_class).to receive(:type) { :wiki }
       allow(project).to receive(:id) { 999 }
 
-      expect(subject.lease_key).to eq('geo_sync_service:test:999')
+      expect(subject.lease_key).to eq('geo_sync_service:wiki:999')
     end
   end
 

spec/services/geo/file_download_service_spec.rb

@@ -29,6 +29,8 @@ describe Geo::FileDownloadService do
         stub_transfer(Gitlab::Geo::FileTransfer, -1)
 
         expect { execute! }.to change { Geo::FileRegistry.failed.count }.by(1)
+        expect(Geo::FileRegistry.last.retry_count).to eq(1)
+        expect(Geo::FileRegistry.last.retry_at).to be_present
       end
 
       it 'registers when the download fails with some other error' do

spec/services/geo/repository_sync_service_spec.rb

 require 'spec_helper'
 
-RSpec.describe Geo::RepositorySyncService do
+describe Geo::RepositorySyncService do
   include ::EE::GeoHelpers
 
   set(:primary) { create(:geo_node, :primary, host: 'primary-geo-node', relative_url_root: '/gitlab') }
@@ -122,6 +122,15 @@ RSpec.describe Geo::RepositorySyncService do
 
           subject.execute
         end
+
+        it 'sets repository_retry_count and repository_retry_at to nil' do
+          registry = create(:geo_project_registry, project: project, repository_retry_count: 2, repository_retry_at: Date.yesterday)
+
+          subject.execute
+
+          expect(registry.reload.repository_retry_count).to be_nil
+          expect(registry.repository_retry_at).to be_nil
+        end
       end
 
       context 'when repository sync fail' do
@@ -140,6 +149,45 @@ RSpec.describe Geo::RepositorySyncService do
         it 'resets last_repository_successful_sync_at' do
           expect(registry.last_repository_successful_sync_at).to be_nil
         end
+
+        it 'resets repository_retry_count' do
+          expect(registry.repository_retry_count).to eq(1)
+        end
+
+        it 'resets repository_retry_at' do
+          expect(registry.repository_retry_at).to be_present
+        end
+      end
+    end
+
+    context 'retries' do
+      it 'tries to fetch repo' do
+        create(:geo_project_registry, project: project, repository_retry_count: Geo::BaseSyncService::RETRY_BEFORE_REDOWNLOAD - 1)
+
+        expect_any_instance_of(described_class).to receive(:fetch_project_repository).with(false)
+
+        subject.execute
+      end
+
+      it 'tries to redownload repo' do
+        create(:geo_project_registry, project: project, repository_retry_count: Geo::BaseSyncService::RETRY_BEFORE_REDOWNLOAD + 1)
+
+        expect_any_instance_of(described_class).to receive(:fetch_project_repository).with(true)
+
+        subject.execute
+      end
+
+      it 'tries to redownload repo when force_redownload flag is set' do
+        create(
+          :geo_project_registry,
+          project: project,
+          repository_retry_count: Geo::BaseSyncService::RETRY_BEFORE_REDOWNLOAD - 1,
+          force_to_redownload_repository: true
+        )
+
+        expect_any_instance_of(described_class).to receive(:fetch_project_repository).with(true)
+
+        subject.execute
       end
     end
 

spec/support/services/base_sync_service_shared_examples.rb

@@ -8,6 +8,7 @@ shared_examples 'geo base sync execution' do
       end
 
       it 'executes the synchronization' do
+        subject.class.type ||= :wiki
         expect(subject).to receive(:sync_repository)
 
         subject.execute

spec/workers/geo/file_download_dispatch_worker_spec.rb

@@ -96,7 +96,7 @@ describe Geo::FileDownloadDispatchWorker, :geo, :truncate do
     end
 
     context 'with a failed file' do
-      let!(:failed_registry) { create(:geo_file_registry, :lfs, file_id: 999, success: false) }
+      let(:failed_registry) { create(:geo_file_registry, :lfs, file_id: 999, success: false) }
 
       it 'does not stall backfill' do
         unsynced = create(:lfs_object, :with_file)
@@ -114,6 +114,22 @@ describe Geo::FileDownloadDispatchWorker, :geo, :truncate do
 
         subject.perform
       end
+
+      it 'does not retries failed files when retry_at is tomorrow' do
+        failed_registry = create(:geo_file_registry, :lfs, file_id: 999, success: false, retry_at: Date.tomorrow)
+
+        expect(GeoFileDownloadWorker).not_to receive(:perform_async).with('lfs', failed_registry.file_id)
+
+        subject.perform
+      end
+
+      it 'does not retries failed files when retry_at is in the past' do
+        failed_registry = create(:geo_file_registry, :lfs, file_id: 999, success: false, retry_at: Date.yesterday)
+
+        expect(GeoFileDownloadWorker).to receive(:perform_async).with('lfs', failed_registry.file_id)
+
+        subject.perform
+      end
     end
 
     context 'when node has namespace restrictions' do