Add Knative metrics to Prometheus

3 files changed, 14 insertions, 3 deletions

diff --git a/app/models/clusters/applications/knative.rb b/app/models/clusters/applications/knative.rb
index 5ac152278da..0a3168afe68 100644
--- a/app/models/clusters/applications/knative.rb
+++ b/app/models/clusters/applications/knative.rb
@@ -5,7 +5,7 @@ module Clusters
     class Knative < ActiveRecord::Base
       VERSION = '0.2.2'.freeze
       REPOSITORY = 'https://storage.googleapis.com/triggermesh-charts'.freeze
-
+      METRICS_CONFIG = 'https://storage.googleapis.com/triggermesh-charts/istio-metrics.yaml'.freeze
       FETCH_IP_ADDRESS_DELAY = 30.seconds
 
       self.table_name = 'clusters_applications_knative'
@@ -49,7 +49,8 @@ module Clusters
           rbac: cluster.platform_kubernetes_rbac?,
           chart: chart,
           files: files,
-          repository: REPOSITORY
+          repository: REPOSITORY,
+          postinstall: install_knative_metrics
         )
       end
 
@@ -94,6 +95,10 @@ module Clusters
       rescue Kubeclient::ResourceNotFoundError
         []
       end
+
+      def install_knative_metrics
+        ["kubectl apply -f #{METRICS_CONFIG}"] if cluster.application_prometheus_available?
+      end
     end
   end
 end
diff --git a/app/models/clusters/applications/prometheus.rb b/app/models/clusters/applications/prometheus.rb
index 46d0388a464..e25be522d68 100644
--- a/app/models/clusters/applications/prometheus.rb
+++ b/app/models/clusters/applications/prometheus.rb
@@ -50,7 +50,8 @@ module Clusters
           version: VERSION,
           rbac: cluster.platform_kubernetes_rbac?,
           chart: chart,
-          files: files
+          files: files,
+          postinstall: install_knative_metrics
         )
       end
 
@@ -74,6 +75,10 @@ module Clusters
       def kube_client
         cluster&.kubeclient&.core_client
       end
+
+      def install_knative_metrics
+        ["kubectl apply -f #{Clusters::Applications::Knative::METRICS_CONFIG}"] if cluster.application_knative_available?
+      end
     end
   end
 end
diff --git a/app/models/clusters/cluster.rb b/app/models/clusters/cluster.rb
index 7fe43cd2de0..6050955fbd8 100644
--- a/app/models/clusters/cluster.rb
+++ b/app/models/clusters/cluster.rb
@@ -63,6 +63,7 @@ module Clusters
     delegate :available?, to: :application_helm, prefix: true, allow_nil: true
     delegate :available?, to: :application_ingress, prefix: true, allow_nil: true
     delegate :available?, to: :application_prometheus, prefix: true, allow_nil: true
+    delegate :available?, to: :application_knative, prefix: true, allow_nil: true
 
     enum cluster_type: {
       instance_type: 1,