[prometheus-node-exporter] Use digest instead of sha (prometheus-comm…

…unity#3130)

* [prometheus-node-exporter]  Use digest instead of sha

sha is for digest without digest type.

digest is more commonly used, and prepare for possible future
digest types

Signed-off-by: Mathieu Parent <mathieu.parent@insee.fr>

* Update Chart.yaml

Signed-off-by: MH <zanhsieh@gmail.com>

---------

Signed-off-by: Mathieu Parent <mathieu.parent@insee.fr>
Signed-off-by: MH <zanhsieh@gmail.com>
Co-authored-by: MH <zanhsieh@gmail.com>

charts/prometheus-node-exporter/Chart.yaml

@@ -6,7 +6,7 @@ keywords:
   - prometheus
   - exporter
 type: application
-version: 4.15.0
+version: 4.15.1
 appVersion: 1.5.0
 home: https://github.com/prometheus/node_exporter/
 sources:

charts/prometheus-node-exporter/templates/_helpers.tpl

@@ -76,10 +76,12 @@ The image to use
 */}}
 {{- define "prometheus-node-exporter.image" -}}
 {{- if .Values.image.sha }}
+{{- fail "image.sha forbidden. Use image.digest instead" }}
+{{- else if .Values.image.digest }}
 {{- if .Values.global.imageRegistry }}
-{{- printf "%s/%s:%s@%s" .Values.global.imageRegistry .Values.image.repository (default (printf "v%s" .Chart.AppVersion) .Values.image.tag) .Values.image.sha }}
+{{- printf "%s/%s:%s@%s" .Values.global.imageRegistry .Values.image.repository (default (printf "v%s" .Chart.AppVersion) .Values.image.tag) .Values.image.digest }}
 {{- else }}
-{{- printf "%s/%s:%s@%s" .Values.image.registry .Values.image.repository (default (printf "v%s" .Chart.AppVersion) .Values.image.tag) .Values.image.sha }}
+{{- printf "%s/%s:%s@%s" .Values.image.registry .Values.image.repository (default (printf "v%s" .Chart.AppVersion) .Values.image.tag) .Values.image.digest }}
 {{- end }}
 {{- else }}
 {{- if .Values.global.imageRegistry }}

charts/prometheus-node-exporter/values.yaml

@@ -7,7 +7,7 @@ image:
   # Overrides the image tag whose default is {{ printf "v%s" .Chart.AppVersion }}
   tag: ""
   pullPolicy: IfNotPresent
-  sha: ""
+  digest: ""
 
 imagePullSecrets: []
 # - name: "image-pull-secret"