add function to compress dnsmasq configuration

dns/functions.py

@@ -1,8 +1,28 @@
 import os
+import tarfile
 
+from cluster.models import ClusterSettings
 from .models import DNSSettings, StaticHost, DNSFilterList
 
 
+def compress_dnsmasq_config():
+    output_file = "/etc/dnsmasq/dnsmasq_config.tar.gz"
+    base_dir = "/etc/dnsmasq"
+
+    if not ClusterSettings.objects.filter(enabled=True, name='cluster_settings').exists():
+        if os.path.exists(output_file):
+            os.remove(output_file)
+        return None
+
+    with tarfile.open(output_file, "w:gz") as tar:
+        for filename in os.listdir(base_dir):
+            if filename.endswith(".conf"):
+                fullpath = os.path.join(base_dir, filename)
+                tar.add(fullpath, arcname=filename)
+
+    return output_file
+
+
 def generate_unbound_config():
     dns_settings = DNSSettings.objects.get(name='dns_settings')
     static_hosts = StaticHost.objects.all()
@@ -82,3 +102,4 @@ bind-interfaces
             file_path = os.path.join("/etc/dnsmasq/", f"{dns_list.uuid}.conf")
             dnsmasq_config += f'addn-hosts={file_path}\n'
     return dnsmasq_config
+

dns/views.py

@@ -12,7 +12,7 @@ from django.utils.translation import gettext_lazy as _
 from user_manager.models import UserAcl
 from .forms import DNSFilterListForm
 from .forms import DNSSettingsForm, StaticHostForm
-from .functions import generate_dnsmasq_config
+from .functions import generate_dnsmasq_config, compress_dnsmasq_config
 from .models import DNSFilterList, DNSSettings
 from .models import StaticHost
 
@@ -24,6 +24,7 @@ def export_dns_configuration():
     dnsmasq_config = generate_dnsmasq_config()
     with open(settings.DNS_CONFIG_FILE, 'w') as f:
         f.write(dnsmasq_config)
+    compress_dnsmasq_config()
     return