Fix vmrules to process memory metrics (#289)

This PR fixes memory charts,

fixes https://github.com/aenix-io/cozystack/issues/285


![image](https://github.com/user-attachments/assets/3ceb8a4d-6fdf-49d3-80be-ff83567ba61c)

Signed-off-by: Andrei Kvapil <kvapss@gmail.com>

packages/extra/monitoring/Chart.yaml

@@ -3,4 +3,4 @@ name: monitoring
 description: Monitoring and observability stack
 icon: /logos/monitoring.svg
 type: application
-version: 1.2.1
+version: 1.2.2

packages/extra/monitoring/templates/vm/vmalert.yaml

@@ -1,18 +1,21 @@
+{{- range .Values.metricsStorages }}
+---
 apiVersion: operator.victoriametrics.com/v1beta1
 kind: VMAlert
 metadata:
-  name: vmalert
+  name: vmalert-{{ .name }}
 spec:
   datasource:
-    url: http://vmselect-vmcluster.{{ .Release.Namespace }}.svc:8481/select/0/prometheus
+    url: http://vmselect-{{ .name }}.{{ $.Release.Namespace }}.svc:8481/select/0/prometheus
   evaluationInterval: 15s
   extraArgs:
     remoteWrite.disablePathAppend: "true"
   notifiers:
-  - url: http://vmalertmanager.{{ .Release.Namespace }}.svc:9093
+  - url: http://vmalertmanager.{{ $.Release.Namespace }}.svc:9093
   remoteRead:
-    url: http://vmselect-shortterm.{{ .Release.Namespace }}.svc:8481/select/0/prometheus
+    url: http://vmselect-{{ .name }}.{{ $.Release.Namespace }}.svc:8481/select/0/prometheus
   remoteWrite:
-    url: http://vminsert-shortterm.{{ .Release.Namespace }}.svc:8480/insert/0/prometheus/api/v1/write
+    url: http://vminsert-{{ .name }}.{{ $.Release.Namespace }}.svc:8480/insert/0/prometheus/api/v1/write
   resources: {}
   selectAllByDefault: true
+{{- end }}