Fixed removal of TXT record when subdomain is case-sensitive and improved debug logging

Plesk SPI return domain names always lower-case. Therefore the search for domain names in the API response must be case-insensitve. Set debug logging to the values that are reallys used for the spi calls.

added comment

dnsapi/dns_pleskxml.sh

@@ -145,32 +145,25 @@ dns_pleskxml_rm() {
   )"
 
   if [ -z "$reclist" ]; then
-    _err "No TXT records found for root domain ${root_domain_name} (Plesk domain ID ${root_domain_id}). Exiting."
+    _err "No TXT records found for root domain $fulldomain (Plesk domain ID ${root_domain_id}). Exiting."
     return 1
   fi
 
-  _debug "Got list of DNS TXT records for root domain '$root_domain_name':"
+  _debug "Got list of DNS TXT records for root Plesk domain ID ${root_domain_id} of root domain $fulldomain:"
   _debug "$reclist"
 
-  recline="$(
-    _value "$reclist" |
-      grep "<host>${fulldomain}.</host>" |
-      grep "<value>${txtvalue}</value>"
-  )"
-
-  _debug "Got line for <host>${fulldomain}.</host> and <value>${txtvalue}</value>:" 
-  _debug "$recline"
-
+  # Extracting the id of the TXT record for the full domain (NOT case-sensitive) and corresponding value
   recid="$(
-    _value "$recline" |
+    _value "$reclist" |
+      grep -i "<host>${fulldomain}.</host>" |
+      grep "<value>${txtvalue}</value>" |
       sed 's/^.*<id>\([0-9]\{1,\}\)<\/id>.*$/\1/'
   )"
 
-  _debug "Got id from line:" 
-  _debug "$recid"
+  _debug "Got id from line: $recid" 
 
   if ! _value "$recid" | grep '^[0-9]\{1,\}$' >/dev/null; then
-    _err "DNS records for root domain '${root_domain_name}' (Plesk ID ${root_domain_id}) + host '${sub_domain_name}' do not contain the TXT record '${txtvalue}'"
+    _err "DNS records for root domain '${fulldomain}.' (Plesk ID ${root_domain_id}) + host '${sub_domain_name}' do not contain the TXT record '${txtvalue}'"
     _err "Cannot delete TXT record. Exiting."
     return 1
   fi