data source for domain certificate should not be called if no domain is provided (#78)

* Fixed validation

* Further local.fqdn_provided fixes

Author: LeoDiazL

operations/deployment/terraform/certificates.tf

@@ -1,7 +1,7 @@
 # Lookup for main domain.
 
 data "aws_acm_certificate" "issued" {
-  count = var.no_cert == "true" ? 0 : ( var.create_root_cert != "true" ? ( var.create_sub_cert != "true" ? ( local.fqdn_provided != "" ? 1 : 0 ) : 0 ) : 0 )
+  count = var.no_cert == "true" ? 0 : ( var.create_root_cert != "true" ? ( var.create_sub_cert != "true" ? ( local.fqdn_provided ? 1 : 0 ) : 0 ) : 0 )
   domain = var.domain_name
 }
 
@@ -59,7 +59,7 @@ locals {
       ( var.cert_arn != "" ? var.cert_arn :
         ( var.create_root_cert != "true" ? 
           ( var.create_sub_cert != "true" ? 
-            ( local.fqdn_provided != "" ? data.aws_acm_certificate.issued[0].arn : "" )
+            ( local.fqdn_provided ? data.aws_acm_certificate.issued[0].arn : "" )
             : aws_acm_certificate.sub_domain[0].arn
           ) : aws_acm_certificate.root_domain[0].arn
         )
@@ -70,7 +70,7 @@ locals {
       ( var.cert_arn != "" ? true :
         ( var.create_root_cert != "true" ? 
           ( var.create_sub_cert != "true" ? 
-            ( local.fqdn_provided != "" ? true : false )
+            ( local.fqdn_provided ? true : false )
             : true
           ) : true
         )