1 files changed, 15 insertions, 14 deletions
diff --git a/app/models/environment.rb b/app/models/environment.rb
index f78c21aebe5..9517723d9d9 100644
--- a/app/models/environment.rb
+++ b/app/models/environment.rb
@@ -65,10 +65,9 @@ class Environment < ActiveRecord::Base
   end
 
   def predefined_variables
-    [
-      { key: 'CI_ENVIRONMENT_NAME', value: name, public: true },
-      { key: 'CI_ENVIRONMENT_SLUG', value: slug, public: true }
-    ]
+    Gitlab::Ci::Variables::Collection.new
+      .append(key: 'CI_ENVIRONMENT_NAME', value: name)
+      .append(key: 'CI_ENVIRONMENT_SLUG', value: slug)
   end
 
   def recently_updated_on_branch?(ref)
@@ -99,8 +98,8 @@ class Environment < ActiveRecord::Base
     folder_name == "production"
   end
 
-  def first_deployment_for(commit)
-    ref = project.repository.ref_name_for_sha(ref_path, commit.sha)
+  def first_deployment_for(commit_sha)
+    ref = project.repository.ref_name_for_sha(ref_path, commit_sha)
 
     return nil unless ref
 
@@ -146,21 +145,19 @@ class Environment < ActiveRecord::Base
   end
 
   def has_metrics?
-    project.monitoring_service.present? && available? && last_deployment.present?
+    prometheus_adapter&.can_query? && available? && last_deployment.present?
   end
 
   def metrics
-    project.monitoring_service.environment_metrics(self) if has_metrics?
+    prometheus_adapter.query(:environment, self) if has_metrics?
   end
 
-  def has_additional_metrics?
-    project.prometheus_service.present? && available? && last_deployment.present?
+  def additional_metrics
+    prometheus_adapter.query(:additional_metrics_environment, self) if has_metrics?
   end
 
-  def additional_metrics
-    if has_additional_metrics?
-      project.prometheus_service.additional_environment_metrics(self)
-    end
+  def prometheus_adapter
+    @prometheus_adapter ||= Prometheus::AdapterService.new(project, deployment_platform).prometheus_adapter
   end
 
   def slug
@@ -226,6 +223,10 @@ class Environment < ActiveRecord::Base
     self.environment_type || self.name
   end
 
+  def deployment_platform
+    project.deployment_platform(environment: self)
+  end
+
   private
 
   # Slugifying a name may remove the uniqueness guarantee afforded by it being