Merge branch '29130-api-project-export' into 'master'

Resolve "API endpoint for exporting project"

Closes #29130

See merge request gitlab-org/gitlab-ce!15860

5 files changed, 67 insertions, 6 deletions

diff --git a/lib/api/api.rb b/lib/api/api.rb
index b1b247b70b9..42d850d6778 100644
--- a/lib/api/api.rb
+++ b/lib/api/api.rb
@@ -139,6 +139,7 @@ module API
     mount ::API::PagesDomains
     mount ::API::Pipelines
     mount ::API::PipelineSchedules
+    mount ::API::ProjectExport
     mount ::API::ProjectImport
     mount ::API::ProjectHooks
     mount ::API::Projects
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index e5bcbface6b..f39906270d8 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -91,6 +91,21 @@ module API
       expose :created_at
     end
 
+    class ProjectExportStatus < ProjectIdentity
+      include ::API::Helpers::RelatedResourcesHelpers
+
+      expose :export_status
+      expose :_links, if: lambda { |project, _options| project.export_status == :finished } do
+        expose :api_url do |project|
+          expose_url(api_v4_projects_export_download_path(id: project.id))
+        end
+
+        expose :web_url do |project|
+          Gitlab::Routing.url_helpers.download_export_project_url(project)
+        end
+      end
+    end
+
     class ProjectImportStatus < ProjectIdentity
       expose :import_status
 
diff --git a/lib/api/project_export.rb b/lib/api/project_export.rb
new file mode 100644
index 00000000000..6ec2626df1a
--- /dev/null
+++ b/lib/api/project_export.rb
@@ -0,0 +1,41 @@
+module API
+  class ProjectExport < Grape::API
+    before do
+      not_found! unless Gitlab::CurrentSettings.project_export_enabled?
+      authorize_admin_project
+    end
+
+    params do
+      requires :id, type: String, desc: 'The ID of a project'
+    end
+    resource :projects, requirements: { id: %r{[^/]+} } do
+      desc 'Get export status' do
+        detail 'This feature was introduced in GitLab 10.6.'
+        success Entities::ProjectExportStatus
+      end
+      get ':id/export' do
+        present user_project, with: Entities::ProjectExportStatus
+      end
+
+      desc 'Download export' do
+        detail 'This feature was introduced in GitLab 10.6.'
+      end
+      get ':id/export/download' do
+        path = user_project.export_project_path
+
+        render_api_error!('404 Not found or has expired', 404) unless path
+
+        present_file!(path, File.basename(path), 'application/gzip')
+      end
+
+      desc 'Start export' do
+        detail 'This feature was introduced in GitLab 10.6.'
+      end
+      post ':id/export' do
+        user_project.add_export_job(current_user: current_user)
+
+        accepted!
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/import_export/importer.rb b/lib/gitlab/import_export/importer.rb
index a00795f553e..c38df9102eb 100644
--- a/lib/gitlab/import_export/importer.rb
+++ b/lib/gitlab/import_export/importer.rb
@@ -9,7 +9,7 @@ module Gitlab
         @archive_file = project.import_source
         @current_user = project.creator
         @project = project
-        @shared = Gitlab::ImportExport::Shared.new(relative_path: path_with_namespace)
+        @shared = project.import_export_shared
       end
 
       def execute
diff --git a/lib/gitlab/import_export/shared.rb b/lib/gitlab/import_export/shared.rb
index b34cafc6876..3d3d998a6a3 100644
--- a/lib/gitlab/import_export/shared.rb
+++ b/lib/gitlab/import_export/shared.rb
@@ -1,13 +1,17 @@
 module Gitlab
   module ImportExport
     class Shared
-      attr_reader :errors, :opts
+      attr_reader :errors, :project
 
-      def initialize(opts)
-        @opts = opts
+      def initialize(project)
+        @project = project
         @errors = []
       end
 
+      def active_export_count
+        Dir[File.join(archive_path, '*')].count { |name| File.directory?(name) }
+      end
+
       def export_path
         @export_path ||= Gitlab::ImportExport.export_path(relative_path: relative_path)
       end
@@ -31,11 +35,11 @@ module Gitlab
       private
 
       def relative_path
-        File.join(opts[:relative_path], SecureRandom.hex)
+        File.join(relative_archive_path, SecureRandom.hex)
       end
 
       def relative_archive_path
-        File.join(opts[:relative_path], '..')
+        @project.disk_path
       end
 
       def error_out(message, caller)