[plex-exporter] Update to common, add loglevel argument (#48)

* [plex-exporter] Update to common, add loglevel argument

* Fix empty lines

* Clean linting

* Add missing repo to ct

charts/plex-exporter/values.yaml

@@ -9,7 +9,7 @@ image:
   # -- image repository
   repository: granra/plex_exporter
   # -- image tag
-  tag: v0.2.2
+  tag: v0.2.3
   # -- image pull policy
   pullPolicy: IfNotPresent
 
@@ -42,6 +42,8 @@ plex:
   token:
   # -- Enable autodiscover using plex.tv
   autodiscover: true
+  # -- Logging level
+  # loglevel: info
 
 metrics:
   # -- Enable and configure a Prometheus serviceMonitor for the chart under this key.
@@ -58,13 +60,13 @@ metrics:
     labels: {}
     # -- Configure additionial rules for the chart under this key.
     # @default -- See prometheusrules.yaml
-    rules: []
-      # - alert: plexExporterAbsent
-      #   annotations:
-      #     description: plex Exporter has disappeared from Prometheus service discovery.
-      #     summary: plex Exporter is down.
-      #   expr: |
-      #     absent(up{job=~".*plexexporter.*"} == 1)
-      #   for: 5m
-      #   labels:
-      #     severity: critical
+    rules:
+      - alert: PlexExporterAbsent
+        annotations:
+          description: Plex Exporter has disappeared from Prometheus service discovery.
+          summary: Plex Exporter is down.
+        expr: |
+          absent(up{job=~".*{{ include "common.names.fullname" . }}.*"} == 1)
+        for: 5m
+        labels:
+          severity: critical