This works

1 files changed, 24 insertions, 0 deletions

diff --git a/app/validators/cluster_name_validator.rb b/app/validators/cluster_name_validator.rb
new file mode 100644
index 00000000000..6c9850af30f
--- /dev/null
+++ b/app/validators/cluster_name_validator.rb
@@ -0,0 +1,24 @@
+# ClusterNameValidator
+#
+# Custom validator for ClusterName.
+class ClusterNameValidator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    if record.user?
+      unless value.present?
+        record.errors.add(attribute, " has to be present")
+      end
+    elsif record.gcp?
+      if record.persisted? && record.name != value
+        record.errors.add(attribute, " can not be changed because it's synchronized with provider")
+      end
+
+      unless value.length >= 1 && value.length <= 63
+        record.errors.add(attribute, " is invalid syntax")
+      end
+
+      unless value =~ Gitlab::Regex.kubernetes_namespace_regex
+        record.errors.add(attribute, Gitlab::Regex.kubernetes_namespace_regex_message)
+      end
+    end
+  end
+end