1 files changed, 68 insertions, 0 deletions
diff --git a/lib/gitlab/ci/config/node/environment.rb b/lib/gitlab/ci/config/node/environment.rb
new file mode 100644
index 00000000000..d388ab6b879
--- /dev/null
+++ b/lib/gitlab/ci/config/node/environment.rb
@@ -0,0 +1,68 @@
+module Gitlab
+  module Ci
+    class Config
+      module Node
+        ##
+        # Entry that represents an environment.
+        #
+        class Environment < Entry
+          include Validatable
+
+          ALLOWED_KEYS = %i[name url]
+
+          validations do
+            validate do
+              unless hash? || string?
+                errors.add(:config, 'should be a hash or a string')
+              end
+            end
+
+            validates :name, presence: true
+            validates :name,
+              type: {
+                with: String,
+                message: Gitlab::Regex.environment_name_regex_message }
+
+            validates :name,
+              format: {
+                with: Gitlab::Regex.environment_name_regex,
+                message: Gitlab::Regex.environment_name_regex_message }
+
+            with_options if: :hash? do
+              validates :config, allowed_keys: ALLOWED_KEYS
+
+              validates :url,
+                        length: { maximum: 255 },
+                        addressable_url: true,
+                        allow_nil: true
+            end
+          end
+
+          def hash?
+            @config.is_a?(Hash)
+          end
+
+          def string?
+            @config.is_a?(String)
+          end
+
+          def name
+            value[:name]
+          end
+
+          def url
+            value[:url]
+          end
+
+          def value
+            case @config
+            when String then { name: @config }
+            when Hash then @config
+            else {}
+            end
+          end
+        end
+      end
+    end
+  end
+end