feat(loki): Add prometheus scraping

manifests/loki/deployment.yaml

@@ -22,6 +22,7 @@ spec:
           imagePullPolicy: IfNotPresent
           ports:
             - containerPort: 3100
+              name: http
           volumeMounts:
             - name: loki-pv
               mountPath: /loki

manifests/loki/kustomization.yaml

@@ -5,4 +5,5 @@ resources:
   - pvc.yaml
   - configmap.yaml
   - service.yaml
+  - servicemonitor.yaml
   - deployment.yaml

manifests/loki/service.yaml

@@ -3,6 +3,8 @@ kind: Service
 metadata:
   name: loki-svc
   namespace: monitoring
+  labels:
+    app.kubernetes.io/name: loki
 spec:
   ports:
     - name: http

manifests/loki/servicemonitor.yaml

@@ -0,0 +1,14 @@
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: loki
+  namespace: monitoring
+  labels:
+    team: core
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: loki
+  endpoints:
+    - port: http
+      path: /metrics