prometheus: add ServiceAccountName field to TPR

cmd/operator/main.go

@@ -34,9 +34,8 @@ import (
 )
 
 var (
-	cfg                 prometheus.Config
-	analyticsEnabled    bool
-	configReloaderImage string
+	cfg              prometheus.Config
+	analyticsEnabled bool
 )
 
 func init() {

pkg/client/monitoring/v1alpha1/types.go

@@ -68,6 +68,9 @@ type PrometheusSpec struct {
 	Resources v1.ResourceRequirements `json:"resources,omitempty"`
 	// Define which Nodes the Pods are scheduled on.
 	NodeSelector map[string]string `json:"nodeSelector,omitempty"`
+	// ServiceAccountName is the name of the ServiceAccount to use to run the
+	// Prometheus Pods.
+	ServiceAccountName string `json:"serviceAccountName,omitempty"`
 	// EvaluationInterval string                    `json:"evaluationInterval"`
 	// Remote          RemoteSpec                 `json:"remote"`
 	// Sharding...

pkg/prometheus/statefulset.go

@@ -271,6 +271,7 @@ func makeStatefulSetSpec(p v1alpha1.Prometheus, c *Config) v1beta1.StatefulSetSp
 						},
 					},
 				},
+				ServiceAccountName:            p.Spec.ServiceAccountName,
 				NodeSelector:                  p.Spec.NodeSelector,
 				TerminationGracePeriodSeconds: &terminationGracePeriod,
 				Volumes: []v1.Volume{