turcsanyip commented on code in PR #6985:
URL: https://github.com/apache/nifi/pull/6985#discussion_r1143193301
##########
nifi-nar-bundles/nifi-iceberg-bundle/nifi-iceberg-processors/src/main/java/org/apache/nifi/processors/iceberg/PutIceberg.java:
##########
@@ -148,6 +153,28 @@ public Set<Relationship> getRelationships() {
return RELATIONSHIPS;
}
+ @Override
+ protected Collection<ValidationResult> customValidate(ValidationContext
context) {
+ final List<ValidationResult> problems = new ArrayList<>();
+ final IcebergCatalogService catalogService =
context.getProperty(CATALOG).asControllerService(IcebergCatalogService.class);
+ boolean catalogServiceEnabled =
context.getControllerServiceLookup().isControllerServiceEnabled(catalogService);
+
+ if (catalogServiceEnabled) {
+ final boolean kerberosUserServiceIsSet =
context.getProperty(KERBEROS_USER_SERVICE).isSet();
+ final boolean securityEnabled =
SecurityUtil.isSecurityEnabled(catalogService.getConfiguration());
+
+ if (securityEnabled && !kerberosUserServiceIsSet) {
+ problems.add(new ValidationResult.Builder()
+ .subject(KERBEROS_USER_SERVICE.getDisplayName())
+ .valid(false)
+ .explanation("Security authentication is set to
'kerberos' in the configuration files but no KerberosUserService is
configured.")
Review Comment:
Minor but the following may be a more straightforward error message:
```suggestion
.explanation("'hadoop.security.authentication' is
set to 'kerberos' in the hadoop configuration files but no KerberosUserService
is configured.")
```
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