Consider cert key as a string in library chart

library/common/2101.0.0/templates/lib/resources/_certs.tpl

@@ -4,7 +4,7 @@ Retrieve true/false if certificate is available in ixCertificates
 {{- define "common.resources.cert_present" -}}
 {{- $values := . -}}
 {{- include "common.schema.validateKeys" (dict "values" . "checkKeys" (list "commonCertOptions")) -}}
-{{- hasKey $values.ixCertificates $values.commonCertOptions.certKeyName -}}
+{{- hasKey $values.Values.ixCertificates ($values.commonCertOptions.certKeyName | toString) -}}
 {{- end -}}
 
 
@@ -14,8 +14,9 @@ Retrieve certificate from variable name
 {{- define "common.resources.cert" -}}
 {{- $values := . -}}
 {{- include "common.schema.validateKeys" (dict "values" . "checkKeys" (list "commonCertOptions")) -}}
-{{- if hasKey $values.ixCertificates $values.commonCertOptions.certKeyName -}}
-{{- $cert := get $values.ixCertificates $values.commonCertOptions.certKeyName -}}
+{{- $certKey := ($values.commonCertOptions.certKeyName | toString) -}}
+{{- if hasKey $values.Values.ixCertificates $certKey -}}
+{{- $cert := get $values.Values.ixCertificates $certKey -}}
 {{- if $values.commonCertOptions.publicKey -}}
 {{ $cert.certificate }}
 {{- else -}}