feat: add support for image digests (splunk#792)

Author: swarren83

helm-chart/splunk-connect-for-kubernetes/charts/splunk-kubernetes-logging/templates/_helpers.tpl

@@ -155,8 +155,12 @@ Create the name of the service account to use
 Create the image name
 */}}
 {{- define "splunk-kubernetes-logging.image" -}}
+{{- if contains .Values.image.tag "sha256" -}}
+{{- printf "%s/%s@%s" .Values.image.registry .Values.image.name .Values.image.tag -}}
+{{- else -}}
 {{- printf "%s/%s:%s" .Values.image.registry .Values.image.name .Values.image.tag -}}
 {{- end -}}
+{{- end -}}
 
 {{/* evaluate field consume_chunk_on_4xx_errors */}}
 {{- define "splunk-kubernetes-logging.should_consume_chunk_on_4xx_errors" -}}

helm-chart/splunk-connect-for-kubernetes/charts/splunk-kubernetes-metrics/templates/_helpers.tpl

@@ -57,14 +57,22 @@ Create the name of the service account to use
 Create the image name
 */}}
 {{- define "splunk-kubernetes-metrics.image" -}}
+{{- if contains .Values.image.tag "sha256" -}}
+{{- printf "%s/%s@%s" .Values.image.registry .Values.image.name .Values.image.tag -}}
+{{- else -}}
 {{- printf "%s/%s:%s" .Values.image.registry .Values.image.name .Values.image.tag -}}
 {{- end -}}
+{{- end -}}
 {{/*
 Create the aggregate image name
 */}}
 {{- define "splunk-kubernetes-metrics.imageAgg" -}}
+{{- if contains .Values.imageAgg.tag "sha256" -}}
+{{- printf "%s/%s@%s" .Values.imageAgg.registry .Values.imageAgg.name .Values.imageAgg.tag -}}
+{{- else -}}
 {{- printf "%s/%s:%s" .Values.imageAgg.registry .Values.imageAgg.name .Values.imageAgg.tag -}}
 {{- end -}}
+{{- end -}}
 
 {{/* evaluate field consume_chunk_on_4xx_errors */}}
 {{- define "splunk-kubernetes-metrics.should_consume_chunk_on_4xx_errors" -}}

helm-chart/splunk-connect-for-kubernetes/charts/splunk-kubernetes-objects/templates/_helpers.tpl

@@ -86,8 +86,12 @@ Rules:
 Create the image name
 */}}
 {{- define "splunk-kubernetes-objects.image" -}}
+{{- if contains .Values.image.tag "sha256" -}}
+{{- printf "%s/%s@%s" .Values.image.registry .Values.image.name .Values.image.tag -}}
+{{- else -}}
 {{- printf "%s/%s:%s" .Values.image.registry .Values.image.name .Values.image.tag -}}
 {{- end -}}
+{{- end -}}
 
 {{/* evaluate field consume_chunk_on_4xx_errors */}}
 {{- define "splunk-kubernetes-objects.should_consume_chunk_on_4xx_errors" -}}