1 files changed, 45 insertions, 0 deletions
diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_utils.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_utils.tpl
new file mode 100644
index 00000000..74774a3c
--- /dev/null
+++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_utils.tpl
@@ -0,0 +1,45 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Print instructions to get a secret value.
+Usage:
+{{ include "common.utils.secret.getvalue" (dict "secret" "secret-name" "field" "secret-value-field" "context" $) }}
+*/}}
+{{- define "common.utils.secret.getvalue" -}}
+{{- $varname := include "common.utils.fieldToEnvVar" . -}}
+export {{ $varname }}=$(kubectl get secret --namespace {{ .context.Release.Namespace }} {{ .secret }} -o jsonpath="{.data.{{ .field }}}" | base64 --decode)
+{{- end -}}
+
+{{/*
+Build env var name given a field
+Usage:
+{{ include "common.utils.fieldToEnvVar" dict "field" "my-password" }}
+*/}}
+{{- define "common.utils.fieldToEnvVar" -}}
+  {{- $fieldNameSplit := splitList "-" .field -}}
+  {{- $upperCaseFieldNameSplit := list -}}
+
+  {{- range $fieldNameSplit -}}
+    {{- $upperCaseFieldNameSplit = append $upperCaseFieldNameSplit ( upper . ) -}}
+  {{- end -}}
+
+  {{ join "_" $upperCaseFieldNameSplit }}
+{{- end -}}
+
+{{/*
+Gets a value from .Values given
+Usage:
+{{ include "common.utils.getValueFromKey" (dict "key" "path.to.key" "context" $) }}
+*/}}
+{{- define "common.utils.getValueFromKey" -}}
+{{- $splitKey := splitList "." .key -}}
+{{- $value := "" -}}
+{{- $latestObj := $.context.Values -}}
+{{- range $splitKey -}}
+  {{- if not $latestObj -}}
+    {{- printf "please review the entire path of '%s' exists in values" $.key | fail -}}
+  {{- end -}}
+  {{- $value = ( index $latestObj . ) -}}
+  {{- $latestObj = $value -}}
+{{- end -}}
+{{- printf "%v" (default "" $value) -}} 
+{{- end -}}