Merge branch '1033-remove-loki-because-of-its-memory-hunger' into 'main'

Resolve "Reduce Loki mem usage"

Closes #1033

See merge request stackspin/stackspin!617

flux2/apps/monitoring/loki-values-configmap.yaml

@@ -9,16 +9,26 @@ data:
     resources:
       limits:
         cpu: 800m
-        memory: 2304Mi
+        memory: 64Mi
       requests:
         cpu: 300m
-        memory: 1280Mi
+        memory: 48Mi
     persistence:
       enabled: true
       accessModes:
         - ReadWriteOnce
       size: 10Gi
       annotations: {}
+    # Prevent RO filesystem on /tmp
+    # https://open.greenhost.net/stackspin/stackspin/-/issues/1033
+    # Can get removed once https://github.com/grafana/helm-charts/issues/609
+    # is fixed also for the loki helm chart.
+    extraVolumes:
+      - name: tmp
+        emptyDir: {}
+    extraVolumeMounts:
+      - name: tmp
+        mountPath: /tmp
     config:
       ingester:
         chunk_idle_period: 30m