helm: add namespace settings where missing (grafana#10713)

**What this PR does / why we need it**:
It adds the right `namespace` values for some components in the helm
chart.

**Which issue(s) this PR fixes**:
Fixes grafana#10048 

**Special notes for your reviewer**:

**Checklist**
- [x] Reviewed the
[`CONTRIBUTING.md`](https://github.com/grafana/loki/blob/main/CONTRIBUTING.md)
guide (**required**)
- [x] Documentation added
- [x] Tests updated
- [x] `CHANGELOG.md` updated
- [x] If the change is worth mentioning in the release notes, add
`add-to-release-notes` label
- [x] Changes that require user attention or interaction to upgrade are
documented in `docs/sources/setup/upgrade/_index.md`
- [x] For Helm chart changes bump the Helm chart version in
`production/helm/loki/Chart.yaml` and update
`production/helm/loki/CHANGELOG.md` and
`production/helm/loki/README.md`. [Example
PR](grafana@d10549e)


I hope I did things right w.r.t. the changelog/README changes for the
helm chart. Please let me know if I did something wrong :)

production/helm/loki/CHANGELOG.md

@@ -13,6 +13,10 @@ Entries should include a reference to the pull request that introduced the chang
 
 [//]: # (<AUTOMATED_UPDATES_LOCATOR> : do not remove this line. This locator is used by the CI pipeline to automatically create a changelog entry for each new Loki release. Add other chart versions and respective changelog entries bellow this line.)
 
+## 5.23.1
+
+- [BUGFIX] Add missing namespaces to some components
+
 ## 5.23.0
 
 - [ENHANCEMENT] Add loki.storage.azure.connectionString to support Azure connection string

production/helm/loki/Chart.yaml

@@ -3,7 +3,7 @@ name: loki
 description: Helm chart for Grafana Loki in simple, scalable mode
 type: application
 appVersion: 2.9.1
-version: 5.23.0
+version: 5.23.1
 home: https://grafana.github.io/helm-charts
 sources:
   - https://github.com/grafana/loki

production/helm/loki/README.md

@@ -1,6 +1,6 @@
 # loki
 
-![Version: 5.23.0](https://img.shields.io/badge/Version-5.23.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.9.1](https://img.shields.io/badge/AppVersion-2.9.1-informational?style=flat-square)
+![Version: 5.23.1](https://img.shields.io/badge/Version-5.23.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.9.1](https://img.shields.io/badge/AppVersion-2.9.1-informational?style=flat-square)
 
 Helm chart for Grafana Loki in simple, scalable mode
 

production/helm/loki/templates/monitoring/grafana-agent.yaml

@@ -4,6 +4,7 @@ apiVersion: monitoring.grafana.com/v1alpha1
 kind: GrafanaAgent
 metadata:
   name: {{ include "loki.fullname" $ }}
+  namespace: {{ $.Release.Namespace }}
   labels:
     {{- include "loki.labels" $ | nindent 4 }}
     {{- with .labels }}

production/helm/loki/templates/monitoring/logs-instance.yaml

@@ -4,6 +4,7 @@ apiVersion: monitoring.grafana.com/v1alpha1
 kind: LogsInstance
 metadata:
   name: {{ include "loki.fullname" $ }}
+  namespace: {{ $.Release.Namespace }}
   {{- with .annotations }}
   annotations:
     {{- toYaml . | nindent 4 }}

production/helm/loki/templates/monitoring/pod-logs.yaml

@@ -5,6 +5,7 @@ apiVersion: monitoring.grafana.com/v1alpha1
 kind: PodLogs
 metadata:
   name: {{ include "loki.fullname" $ }}
+  namespace: {{ $.Release.Namespace }}
   {{- with .annotations }}
   annotations:
     {{- toYaml . | nindent 4 }}

production/helm/loki/templates/monitoring/servicemonitor.yaml

@@ -5,6 +5,7 @@ apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor
 metadata:
   name: {{ include "loki.fullname" $ }}
+  namespace: {{ $.Release.Namespace }}
   {{- with .annotations }}
   annotations:
     {{- toYaml . | nindent 4 }}

production/helm/loki/templates/write/hpa.yaml

@@ -9,6 +9,7 @@ apiVersion: autoscaling/v2beta1
 kind: HorizontalPodAutoscaler
 metadata:
   name: {{ include "loki.writeFullname" . }}
+  namespace: {{ $.Release.Namespace }}
   labels:
     {{- include "loki.writeLabels" . | nindent 4 }}
 spec:

production/helm/loki/templates/write/poddisruptionbudget-write.yaml

@@ -4,6 +4,7 @@ apiVersion: policy/v1
 kind: PodDisruptionBudget
 metadata:
   name: {{ include "loki.writeFullname" . }}
+  namespace: {{ $.Release.Namespace }}
   labels:
     {{- include "loki.writeLabels" . | nindent 4 }}
 spec:

production/helm/loki/templates/write/service-write-headless.yaml

@@ -5,6 +5,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ include "loki.writeFullname" . }}-headless
+  namespace: {{ $.Release.Namespace }}
   labels:
     {{- include "loki.writeSelectorLabels" . | nindent 4 }}
     {{- with .Values.loki.serviceLabels }}

production/helm/loki/templates/write/service-write.yaml

@@ -5,6 +5,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ include "loki.writeFullname" . }}
+  namespace: {{ $.Release.Namespace }}
   labels:
     {{- include "loki.writeLabels" . | nindent 4 }}
     {{- with .Values.loki.serviceLabels }}
@@ -33,4 +34,4 @@ spec:
       protocol: TCP
   selector:
     {{- include "loki.writeSelectorLabels" . | nindent 4 }}
-{{- end }}
+{{- end }}

production/helm/loki/templates/write/statefulset-write.yaml

@@ -5,6 +5,7 @@ apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: {{ include "loki.writeFullname" . }}
+  namespace: {{ $.Release.Namespace }}
   labels:
     {{- include "loki.writeLabels" . | nindent 4 }}
     app.kubernetes.io/part-of: memberlist
@@ -177,7 +178,7 @@ spec:
         {{- toYaml . | nindent 8 }}
         {{- end }}
   volumeClaimTemplates:
-    - apiVersion: v1	
+    - apiVersion: v1
       kind: PersistentVolumeClaim
       metadata:
         name: data
@@ -197,4 +198,4 @@ spec:
     {{- with .Values.write.extraVolumeClaimTemplates }}
     {{- toYaml . | nindent 4 }}
     {{- end }}
-{{- end }}
+{{- end }}