Initial work on GitLab Pages update

1 files changed, 53 insertions, 0 deletions

diff --git a/app/services/projects/update_pages_configuration_service.rb b/app/services/projects/update_pages_configuration_service.rb
new file mode 100644
index 00000000000..be4c2fbef8c
--- /dev/null
+++ b/app/services/projects/update_pages_configuration_service.rb
@@ -0,0 +1,53 @@
+module Projects
+  class UpdatePagesConfigurationService < BaseService
+    attr_reader :project
+
+    def initialize(project)
+      @project = project
+    end
+
+    def execute
+      update_file(pages_cname_file, project.pages_custom_domain)
+      update_file(pages_certificate_file, project.pages_custom_certificate)
+      update_file(pages_certificate_file_key, project.pages_custom_certificate_key)
+      reload_daemon
+      success
+    rescue => e
+      error(e.message)
+    end
+
+    private
+
+    def reload_daemon
+      # GitLab Pages daemon constantly watches for modification time of `pages.path`
+      # It reloads configuration when `pages.path` is modified
+      File.touch(Settings.pages.path)
+    end
+
+    def pages_path
+      @pages_path ||= project.pages_path
+    end
+
+    def pages_cname_file
+      File.join(pages_path, 'CNAME')
+    end
+
+    def pages_certificate_file
+      File.join(pages_path, 'domain.crt')
+    end
+
+    def pages_certificate_key_file
+      File.join(pages_path, 'domain.key')
+    end
+
+    def update_file(file, data)
+      if data
+        File.open(file, 'w') do |file|
+          file.write(data)
+        end
+      else
+        File.rm_r(file)
+      end
+    end
+  end
+end