1 files changed, 20 insertions, 3 deletions
diff --git a/app/models/environment.rb b/app/models/environment.rb
index aff20dae09b..b8ee54c1696 100644
--- a/app/models/environment.rb
+++ b/app/models/environment.rb
@@ -2,6 +2,8 @@
 
 class Environment < ApplicationRecord
   include Gitlab::Utils::StrongMemoize
+  include ReactiveCaching
+
   # Used to generate random suffixes for the slug
   LETTERS = ('a'..'z').freeze
   NUMBERS = ('0'..'9').freeze
@@ -17,6 +19,7 @@ class Environment < ApplicationRecord
   before_validation :generate_slug, if: ->(env) { env.slug.blank? }
 
   before_save :set_environment_type
+  after_save :clear_reactive_cache!
 
   validates :name,
             presence: true,
@@ -155,15 +158,29 @@ class Environment < ApplicationRecord
   end
 
   def has_terminals?
-    deployment_platform.present? && available? && last_deployment.present?
+    available? && deployment_platform.present? && last_deployment.present?
   end
 
   def terminals
-    deployment_platform.terminals(self) if has_terminals?
+    with_reactive_cache do |data|
+      deployment_platform.terminals(self, data)
+    end
+  end
+
+  def calculate_reactive_cache
+    return unless has_terminals? && !project.pending_delete?
+
+    deployment_platform.calculate_reactive_cache_for(self)
+  end
+
+  def deployment_namespace
+    strong_memoize(:kubernetes_namespace) do
+      deployment_platform&.kubernetes_namespace_for(project)
+    end
   end
 
   def has_metrics?
-    prometheus_adapter&.can_query? && available?
+    available? && prometheus_adapter&.can_query?
   end
 
   def metrics