[loki] Fix ServiceAccount resource name

charts/loki/Chart.yaml

@@ -4,7 +4,7 @@ description: Helm chart for Grafana Loki supporting monolithic, simple scalable,
 type: application
 # renovate: docker=docker.io/grafana/loki
 appVersion: 3.7.1
-version: 11.4.8
+version: 11.4.9
 kubeVersion: ">=1.25.0-0"
 home: https://grafana-community.github.io/helm-charts
 sources:

charts/loki/templates/_serviceaccount.yaml

@@ -9,7 +9,7 @@
 apiVersion: v1
 kind: ServiceAccount
 metadata:
-  name: {{ $name | default (include "loki.resourceName" (dict "ctx" $ctx "component" $target)) }}
+  name: {{ $name | default (include "loki.serviceAccountName" (dict "ctx" $ctx "component" $component "target" $target)) }}
   namespace: {{ include "loki.namespace" $ctx }}
   labels:
     {{- include "loki.labels" . | nindent 4 }}

charts/loki/tests/backend/serviceaccount_test.yaml

@@ -61,6 +61,24 @@ tests:
           path: subjects[0].name
           value: backend-custom-sa
 
+  - it: creates backend ServiceAccount with backend serviceAccount.name override
+    set:
+      backend.serviceAccount.create: true
+      backend.serviceAccount.name: backend-custom-sa
+    asserts:
+      - template: backend/statefulset.yaml
+        equal:
+          path: spec.template.spec.serviceAccountName
+          value: backend-custom-sa
+      - template: backend/clusterrolebinding.yaml
+        equal:
+          path: subjects[0].name
+          value: backend-custom-sa
+      - template: backend/serviceaccount.yaml
+        equal:
+          path: metadata.name
+          value: backend-custom-sa
+
   - it: sets backend ServiceAccount automountServiceAccountToken when creating backend account
     set:
       backend.serviceAccount.create: true

charts/loki/tests/single-binary/serviceaccount_test.yaml

@@ -36,7 +36,7 @@ tests:
       - template: serviceaccount.yaml
         equal:
           path: metadata.name
-          value: RELEASE-NAME-loki
+          value: global-custom-sa
 
   - it: uses explicit global service account name without creating serviceaccount when disabled
     set: