set up authorization for blackbox-exporter

manifests/blackbox-exporter-clusterRole.yaml

@@ -0,0 +1,17 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: blackbox-exporter
+rules:
+- apiGroups:
+  - authentication.k8s.io
+  resources:
+  - tokenreviews
+  verbs:
+  - create
+- apiGroups:
+  - authorization.k8s.io
+  resources:
+  - subjectaccessreviews
+  verbs:
+  - create

manifests/blackbox-exporter-clusterRoleBinding.yaml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: blackbox-exporter
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: blackbox-exporter
+subjects:
+- kind: ServiceAccount
+  name: blackbox-exporter
+  namespace: monitoring

manifests/blackbox-exporter-serviceMonitor.yaml

@@ -8,7 +8,8 @@ metadata:
   namespace: monitoring
 spec:
   endpoints:
-  - interval: 30s
+  - bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+    interval: 30s
     path: /metrics
     port: http
     scheme: https