1 files changed, 36 insertions, 0 deletions
diff --git a/app/finders/clusters/kubernetes_namespace_finder.rb b/app/finders/clusters/kubernetes_namespace_finder.rb
new file mode 100644
index 00000000000..e947796c1e7
--- /dev/null
+++ b/app/finders/clusters/kubernetes_namespace_finder.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+module Clusters
+  class KubernetesNamespaceFinder
+    attr_reader :cluster, :project, :environment_slug
+
+    def initialize(cluster, project:, environment_slug:, allow_blank_token: false)
+      @cluster = cluster
+      @project = project
+      @environment_slug = environment_slug
+      @allow_blank_token = allow_blank_token
+    end
+
+    def execute
+      find_namespace(with_environment: cluster.namespace_per_environment?)
+    end
+
+    private
+
+    attr_reader :allow_blank_token
+
+    def find_namespace(with_environment:)
+      relation = with_environment ? namespaces.with_environment_slug(environment_slug) : namespaces
+
+      relation.find_by_project_id(project.id)
+    end
+
+    def namespaces
+      if allow_blank_token
+        cluster.kubernetes_namespaces
+      else
+        cluster.kubernetes_namespaces.has_service_account_token
+      end
+    end
+  end
+end