--- a/dns.py	Mon Apr 15 00:04:41 2024 -0700
+++ b/dns.py	Mon Apr 15 02:27:07 2024 -0700
@@ -7,6 +7,7 @@
 
 is_pi = host.get_fact(LinuxDistribution)['name'] in ['Debian', 'Raspbian GNU/Linux']
 
+
 def dnsmasq_instance(net_name,
                      house_iface,
                      dhcp_range='10.2.0.10,10.2.0.11',
@@ -25,7 +26,7 @@
         router=listen_address,
     )
     files.template(src='templates/dnsmasq/hosts.j2', dest=f'/opt/dnsmasq/{net_name}/hosts', net=net_name)
-    
+
     dhcp_hosts = subprocess.check_output(['python3', '/my/serv/lanscape/src/public/make_dhcp_hosts.py'], encoding='utf8')
     files.put(src=StringIO(dhcp_hosts), dest=f'/opt/dnsmasq/{net_name}/dhcp_hosts')
 
@@ -39,7 +40,8 @@
 def standard_host_dns():
     files.template(src='templates/hosts.j2', dest='/etc/hosts')
     if is_pi:
-        files.put(dest='/etc/resolv.conf', src=StringIO('''
+        files.put(dest='/etc/resolv.conf',
+                  src=StringIO('''
 # written by pyinfra
 nameserver 10.2.0.3
 search bigasterisk.com
@@ -50,26 +52,34 @@
         systemd.service(service='systemd-resolved.service', running=True, restarted=True)
 
 
+pi_serial_hostname = [
+]
+
+
 def rpi_net_boot():
     files.directory(path='/opt/dnsmasq/tftp')
     for pi_serial, _ in pi_serial_hostname:
         files.directory(path=f'/opt/dnsmasq/tftp/{pi_serial}')
         # then we transfer from pi to here
 
+
 def rpi_iscsi_volumes():
     iscsi_dir = '/d2/rpi-iscsi'
     for _, pi_hostname in pi_serial_hostname:
-        out= f'{iscsi_dir}/{pi_hostname}.disk'
+        out = f'{iscsi_dir}/{pi_hostname}.disk'
         files.directory(path=iscsi_dir)
         server.shell(f'dd if=/dev/zero of={out} count=0 bs=1 seek=5G conv=excl || true')
-        files.put(dest=f"/etc/tgt/conf.d/{pi_hostname}.conf", src=StringIO(f"""
+        files.put(dest=f"/etc/tgt/conf.d/{pi_hostname}.conf",
+                  src=StringIO(f"""
 <target iqn.2024-03.com.bigasterisk:{pi_hostname}.target>
     backing-store {out}
     initiator-name iqn.2024-03.com.bigasterisk:{pi_hostname}.initiator
 </target> 
                             """))
-    systemd.service(service='tgt.service', running=True, restarted=True)
-    
+    # restarting is disruptive to connected pis, and they might need to be
+    # visited:
+    #systemd.service(service='tgt.service', running=True, restarted=True)
+
 
 standard_host_dns()
 
@@ -82,7 +92,7 @@
     dnsmasq_instance('10.5', house_iface='unused', dhcp_range='unused',
                      listen_address='unused')  # only works after wireguard is up
 elif host.name == 'ditto':
-    rpi_iscsi_volumes() # move out of this file- it's not dns
+    rpi_iscsi_volumes()  # move out of this file- it's not dns
 elif host.name == 'pipe':
     rpi_net_boot()
     files.directory(path='/opt/dnsmasq')