fix: added loki srep ui rule

Author: henrywhitaker3

argo/cluster/monitoring/loki/chart/templates/recordingrules.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: loki-rules
+data:
+  srep-ui.yaml: |
+    groups:
+      - name: ui
+        interval: 1m
+        rules:
+          - record: srep_ui_requests_total
+            expr: |
+              sum(
+                rate({app="srep-ui-chart"} |= `` | pattern `<_> - - <_> "<method> <url> <_>" <status> <size> <_> "<agent>" "<ip>"` [1m])
+              ) by(job, status, url, method, container, pod, instance)

argo/cluster/monitoring/loki/chart/values.yaml

@@ -7,11 +7,31 @@ loki:
       type: 'filesystem'
     limits_config:
       retention_period: 168h
+    rulerConfig:
+      enable_alertmanager_v2: true
+      alertmanager_url: http://kube-prometheus-stack-alertmanager.monitoring.svc:9093
+      storage:
+        type: local
+        local:
+          directory: /tmp/rules
+      rule_path: /tmp/scratch
+
   singleBinary:
     replicas: 1
     persistence:
       storageClass: longhorn
       size: 5Gi
+    extraVolumes:
+      - name: rules
+        configMap:
+          name: loki-rules
+      - name: scratch
+        emptyDir: {}
+    extraVolumeMounts:
+      - name: rules
+        mountPath: /tmp/rules
+      - name: scratch
+        mountPath: /tmp/scratch
 
   test:
     enabled: false