1 files changed, 35 insertions, 0 deletions
diff --git a/lib/gitlab/ci/pipeline/chain/validate/config.rb b/lib/gitlab/ci/pipeline/chain/validate/config.rb
new file mode 100644
index 00000000000..489bcd79655
--- /dev/null
+++ b/lib/gitlab/ci/pipeline/chain/validate/config.rb
@@ -0,0 +1,35 @@
+module Gitlab
+  module Ci
+    module Pipeline
+      module Chain
+        module Validate
+          class Config < Chain::Base
+            include Chain::Helpers
+
+            def perform!
+              unless @pipeline.config_processor
+                unless @pipeline.ci_yaml_file
+                  return error("Missing #{@pipeline.ci_yaml_file_path} file")
+                end
+
+                if @command.save_incompleted && @pipeline.has_yaml_errors?
+                  @pipeline.drop
+                end
+
+                return error(@pipeline.yaml_errors)
+              end
+
+              unless @pipeline.has_stage_seeds?
+                return error('No stages / jobs for this pipeline.')
+              end
+            end
+
+            def break?
+              @pipeline.errors.any? || @pipeline.persisted?
+            end
+          end
+        end
+      end
+    end
+  end
+end