Sort the Custom DNS by zone and qname, and add an option to go back to the old sort order (creation order)

Update the zone grouping style on the users and aliases page to match.

Fixes #1927

CHANGELOG.md

@@ -13,6 +13,7 @@ Control panel:
 
 * Backblaze B2 is now a supported backup protocol.
 * Fixed an issue in the daily mail reports.
+* Sort the Custom DNS by zone and qname, and add an option to go back to the old sort order (creation order).
 
 Mail:
 

management/daemon.py

@@ -277,17 +277,50 @@ def dns_set_secondary_nameserver():
 @app.route('/dns/custom')
 @authorized_personnel_only
 def dns_get_records(qname=None, rtype=None):
-	from dns_update import get_custom_dns_config
+	# Get the current set of custom DNS records.
-	return json_response([
+	from dns_update import get_custom_dns_config, get_dns_zones
-	{
+	records = get_custom_dns_config(env, only_real_records=True)
-		"qname": r[0],
+
-		"rtype": r[1],
+	# Filter per the arguments for the more complex GET routes below.
-		"value": r[2],
+	records = [r for r in records
-	}
+		if (not qname or r[0] == qname)
-	for r in get_custom_dns_config(env)
+		and (not rtype or r[1] == rtype) ]
-	if r[0] != "_secondary_nameserver"
+
-		and (not qname or r[0] == qname)
+	# Make a better data structure.
-		and (not rtype or r[1] == rtype) ])
+	records = [
+        {
+                "qname": r[0],
+                "rtype": r[1],
+                "value": r[2],
+		"sort-order": { },
+        } for r in records ]
+
+	# To help with grouping by zone in qname sorting, label each record with which zone it is in.
+	# There's an inconsistency in how we handle zones in get_dns_zones and in sort_domains, so
+	# do this first before sorting the domains within the zones.
+	zones = utils.sort_domains([z[0] for z in get_dns_zones(env)], env)
+	for r in records:
+		for z in zones:
+			if r["qname"] == z or r["qname"].endswith("." + z):
+				r["zone"] = z
+				break
+
+	# Add sorting information. The 'created' order follows the order in the YAML file on disk,
+	# which tracs the order entries were added in the control panel since we append to the end.
+	# The 'qname' sort order sorts by our standard domain name sort (by zone then by qname),
+	# then by rtype, and last by the original order in the YAML file (since sorting by value
+	# may not make sense, unless we parse IP addresses, for example).
+	for i, r in enumerate(records):
+		r["sort-order"]["created"] = i
+	domain_sort_order = utils.sort_domains([r["qname"] for r in records], env)
+	for i, r in enumerate(sorted(records, key = lambda r : (
+			zones.index(r["zone"]),
+			domain_sort_order.index(r["qname"]),
+			r["rtype"]))):
+		r["sort-order"]["qname"] = i
+
+	# Return.
+	return json_response(records)
 
 @app.route('/dns/custom/<qname>', methods=['GET', 'POST', 'PUT', 'DELETE'])
 @app.route('/dns/custom/<qname>/<rtype>', methods=['GET', 'POST', 'PUT', 'DELETE'])

management/dns_update.py

@@ -753,7 +753,7 @@ def write_opendkim_tables(domains, env):
 
 ########################################################################
 
-def get_custom_dns_config(env):
+def get_custom_dns_config(env, only_real_records=False):
 	try:
 		custom_dns = rtyaml.load(open(os.path.join(env['STORAGE_ROOT'], 'dns/custom.yaml')))
 		if not isinstance(custom_dns, dict): raise ValueError() # caught below
@@ -761,6 +761,8 @@ def get_custom_dns_config(env):
 		return [ ]
 
 	for qname, value in custom_dns.items():
+		if qname == "_secondary_nameserver" and only_real_records: continue # skip fake record
+
 		# Short form. Mapping a domain name to a string is short-hand
 		# for creating A records.
 		if isinstance(value, str):

management/templates/aliases.html

@@ -153,8 +153,8 @@ function show_aliases() {
     function(r) {
       $('#alias_table tbody').html("");
       for (var i = 0; i < r.length; i++) {
-        var hdr = $("<tr><td colspan='3'><h4/></td></tr>");
+        var hdr = $("<tr><th colspan='4' style='background-color: #EEE'></th></tr>");
-        hdr.find('h4').text(r[i].domain);
+        hdr.find('th').text(r[i].domain);
         $('#alias_table tbody').append(hdr);
 
         for (var k = 0; k < r[i].aliases.length; k++) {

management/templates/custom-dns.html

@@ -57,7 +57,13 @@
   </div>
 </form>
 
-<table id="custom-dns-current" class="table" style="width: auto; display: none">
+<div style="text-align: right; font-size; 90%; margin-top: 1em;">
+  sort by:
+  <a href="#" onclick="window.miab_custom_dns_data_sort_order='qname'; show_current_custom_dns_update_after_sort(); return false;">domain name</a>
+  |
+  <a href="#" onclick="window.miab_custom_dns_data_sort_order='created'; show_current_custom_dns_update_after_sort(); return false;">created</a>
+</div>
+<table id="custom-dns-current" class="table" style="width: auto; display: none; margin-top: 0;">
   <thead>
     <th>Domain Name</th>
     <th>Record Type</th>
@@ -192,36 +198,38 @@ function show_current_custom_dns() {
         $('#custom-dns-current').fadeIn();
       else
         $('#custom-dns-current').fadeOut();
-        
+      window.miab_custom_dns_data = data;
-      var reverse_fqdn = function(el) {
+      show_current_custom_dns_update_after_sort();
-        el.qname = el.qname.split('.').reverse().join('.');
+    });
-        return el;
+}
-      }
-      var sort = function(a, b) {
-        if(a.qname === b.qname) {
-          if(a.rtype === b.rtype) {
-            return a.value > b.value ? 1 : -1;
-          }
-          return a.rtype > b.rtype ? 1 : -1;
-        }
-        return a.qname > b.qname ? 1 : -1;
-      }
 
-      data = data.map(reverse_fqdn).sort(sort).map(reverse_fqdn);
+function show_current_custom_dns_update_after_sort() {
+      var data = window.miab_custom_dns_data;
+      var sort_key = window.miab_custom_dns_data_sort_order || "qname";
 
-      $('#custom-dns-current').find("tbody").text('');
+      data.sort(function(a, b) { return a["sort-order"][sort_key] - b["sort-order"][sort_key] });
+
+      var tbody = $('#custom-dns-current').find("tbody");
+      tbody.text('');
+      var last_zone = null;
       for (var i = 0; i < data.length; i++) {
+        if (sort_key == "qname" && data[i].zone != last_zone) {
+          var r = $("<tr><th colspan=4 style='background-color: #EEE'></th></tr>");
+          r.find("th").text(data[i].zone);
+          tbody.append(r);
+          last_zone = data[i].zone;
+        }
+
         var tr = $("<tr/>");
-        $('#custom-dns-current').find("tbody").append(tr);
+        tbody.append(tr);
         tr.attr('data-qname', data[i].qname);
         tr.attr('data-rtype', data[i].rtype);
         tr.attr('data-value', data[i].value);
         tr.append($('<td class="long"/>').text(data[i].qname));
         tr.append($('<td/>').text(data[i].rtype));
-        tr.append($('<td class="long"/>').text(data[i].value));
+        tr.append($('<td class="long" style="max-width: 40em"/>').text(data[i].value));
         tr.append($('<td>[<a href="#" onclick="return delete_custom_dns_record(this)">delete</a>]</td>'));
       }
-    });
 }
 
 function delete_custom_dns_record(elem) {

management/templates/users.html

@@ -1,7 +1,6 @@
 <h2>Users</h2>
 
 <style>
-#user_table h4 { margin: 1em 0 0 0; }
 #user_table tr.account_inactive td.address { color: #888; text-decoration: line-through; }
 #user_table .actions { margin-top: .33em; font-size: 95%; }
 #user_table .account_inactive .if_active { display: none; }
@@ -134,8 +133,8 @@ function show_users() {
     function(r) {
       $('#user_table tbody').html("");
       for (var i = 0; i < r.length; i++) {
-        var hdr = $("<tr><td colspan='3'><h4/></td></tr>");
+        var hdr = $("<tr><th colspan='2' style='background-color: #EEE'></th></tr>");
-        hdr.find('h4').text(r[i].domain);
+        hdr.find('th').text(r[i].domain);
         $('#user_table tbody').append(hdr);
 
         for (var k = 0; k < r[i].users.length; k++) {