[prometheus-node-exporter] Fix sidecars containers volumeMounts merge (…

…#4177) * [node-exporter] Fix sidecars containers volumeMounts merge Signed-off-by: Thomas Decaux <[email protected]> * bump chart version Signed-off-by: Thomas Decaux <[email protected]> * bump chart version Signed-off-by: Thomas Decaux <[email protected]> * Patch version Co-authored-by: MH <[email protected]> Signed-off-by: Thomas Decaux <[email protected]> * Update charts/prometheus-node-exporter/templates/daemonset.yaml Co-authored-by: zeritti <[email protected]> Signed-off-by: Thomas Decaux <[email protected]> * Update charts/prometheus-node-exporter/templates/daemonset.yaml Co-authored-by: zeritti <[email protected]> Signed-off-by: Thomas Decaux <[email protected]> * fix lint Signed-off-by: Thomas Decaux <[email protected]> --------- Signed-off-by: Thomas Decaux <[email protected]> Signed-off-by: Thomas Decaux <[email protected]> Co-authored-by: MH <[email protected]> Co-authored-by: zeritti <[email protected]>
prometheus-community · Jan 29, 2024 · 38e4131 · 38e4131
1 parent 4a10962
commit 38e4131
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Showing 4 changed files with 37 additions and 25 deletions.
diff --git a/charts/prometheus-node-exporter/Chart.yaml b/charts/prometheus-node-exporter/Chart.yaml
@@ -6,7 +6,7 @@ keywords:
   - prometheus
   - exporter
 type: application
-version: 4.26.0
+version: 4.26.1
 appVersion: 1.7.0
 home: https://github.com/prometheus/node_exporter/
 sources:

diff --git a/charts/prometheus-node-exporter/templates/_helpers.tpl b/charts/prometheus-node-exporter/templates/_helpers.tpl
@@ -183,3 +183,20 @@ labelNameLengthLimit: {{ . }}
 labelValueLengthLimit: {{ . }}
 {{- end }}
 {{- end }}
+
+{{/* Sets sidecar volumeMounts */}}
+{{- define "prometheus-node-exporter.sidecarVolumeMounts" -}}
+{{- range $_, $mount := $.Values.sidecarVolumeMount }}
+- name: {{ $mount.name }}
+  mountPath: {{ $mount.mountPath }}
+  readOnly: {{ $mount.readOnly }}
+{{- end }}
+{{- range $_, $mount := $.Values.sidecarHostVolumeMounts }}
+- name: {{ $mount.name }}
+  mountPath: {{ $mount.mountPath }}
+  readOnly: {{ $mount.readOnly }}
+{{- if $mount.mountPropagation }}
+  mountPropagation: {{ $mount.mountPropagation }}
+{{- end }}
+{{- end }}
+{{- end }}
diff --git a/charts/prometheus-node-exporter/templates/daemonset.yaml b/charts/prometheus-node-exporter/templates/daemonset.yaml
@@ -160,24 +160,16 @@ spec:
             - name: {{ .name }}
               mountPath: {{ .mountPath }}
             {{- end }}
-        {{- with .Values.sidecars }}
-        {{- toYaml . | nindent 8 }}
-          {{- if or $.Values.sidecarVolumeMount $.Values.sidecarHostVolumeMounts }}
-          volumeMounts:
-            {{- range $_, $mount := $.Values.sidecarVolumeMount }}
-            - name: {{ $mount.name }}
-              mountPath: {{ $mount.mountPath }}
-              readOnly: {{ $mount.readOnly }}
-            {{- end }}
-            {{- range $_, $mount := $.Values.sidecarHostVolumeMounts }}
-            - name: {{ $mount.name }}
-              mountPath: {{ $mount.mountPath }}
-              readOnly: {{ $mount.readOnly }}
-            {{- if $mount.mountPropagation }}
-              mountPropagation: {{ $mount.mountPropagation }}
-            {{- end }}
-            {{- end }}
-          {{- end }}
+        {{- range .Values.sidecars }}
+          {{- $overwrites := dict 
+            "volumeMounts" (concat (include "prometheus-node-exporter.sidecarVolumeMounts" $ | fromYamlArray) (.volumeMounts | default list) | default list)
+          }}
+          {{- $defaults := dict 
+            "image" (include "prometheus-node-exporter.image" $) 
+            "securityContext" $.Values.containerSecurityContext 
+            "imagePullPolicy" $.Values.image.pullPolicy 
+          }}
+        - {{- toYaml (merge $overwrites . $defaults) | nindent 10 }}
         {{- end }}
         {{-  if .Values.kubeRBACProxy.enabled  }}
         - name: kube-rbac-proxy

diff --git a/charts/prometheus-node-exporter/values.yaml b/charts/prometheus-node-exporter/values.yaml
@@ -395,18 +395,21 @@ secrets: []
 ##
 namespaceOverride: ""
 
-## Additional containers for export metrics to text file
+## Additional containers for export metrics to text file; fields image,imagePullPolicy,securityContext take default value from main container
 ##
 sidecars: []
-##  - name: nvidia-dcgm-exporter
-##    image: nvidia/dcgm-exporter:1.4.3
+#  - name: nvidia-dcgm-exporter
+#    image: nvidia/dcgm-exporter:1.4.3
+#    volumeMounts:
+#     - name: tmp
+#       mountPath: /tmp
 
 ## Volume for sidecar containers
 ##
 sidecarVolumeMount: []
-##  - name: collector-textfiles
-##    mountPath: /run/prometheus
-##    readOnly: false
+#  - name: collector-textfiles
+#    mountPath: /run/prometheus
+#    readOnly: false
 
 ## Additional mounts from the host to sidecar containers
 ##