Reworked devices and sites - added new attribute to manage local connection to IAS

• Made si- and lt- networks optional
• Added a new attr to manage when you need lt-
• si- is probably gonna. die
• moved ts_address from device to site.

gso/workflows/device/terminate_device.py

@@ -52,7 +52,7 @@ def deprovision_loopback_ips(subscription: Device) -> dict[str, HostAddresses]:
 @step("Deprovision SI- interface  IPs from IPAM/DNS")
 def deprovision_si_ips(subscription: Device) -> dict[str, V4ServiceNetwork | V6ServiceNetwork]:
     service_network = ipam.delete_network(
-        network=ipaddress.ip_network(subscription.device.device_si_ipv4_network),
+        network=ipaddress.ip_network(subscription.device.device_si_ipv4_network),  # type: ignore
         service_type="SI",
     )
     return {"service_network": service_network}
@@ -61,11 +61,11 @@ def deprovision_si_ips(subscription: Device) -> dict[str, V4ServiceNetwork | V6S
 @step("Deprovision LT- interface (IAS) IPs from IPAM/DNS")
 def deprovision_lt_ips(subscription: Device) -> dict[str, V4ServiceNetwork | V6ServiceNetwork]:
     service_network_v4 = ipam.delete_network(
-        network=ipaddress.ip_network(subscription.device.device_ias_lt_ipv4_network),
+        network=ipaddress.ip_network(subscription.device.device_ias_lt_ipv4_network),  # type: ignore
         service_type="LT_IAS",
     )
     service_network_v6 = ipam.delete_network(
-        network=ipaddress.ip_network(subscription.device.device_ias_lt_ipv6_network),
+        network=ipaddress.ip_network(subscription.device.device_ias_lt_ipv6_network),  # type: ignore
         service_type="LT_IAS",
     )
     return {
@@ -87,8 +87,14 @@ def remove_config_from_device() -> None:
 def terminate_device() -> StepList:
     run_ipam_steps = conditional(lambda state: state.get("clean_up_ipam", True))
     run_config_steps = conditional(lambda state: state.get("remove_configuration", True))
+    run_ias_removal = conditional(lambda subscription: "device_ias_lt_ipv4_network" in subscription.get("device", {}))
+    run_si_removal = conditional(lambda subscription: "device_si_ipv4_network" in subscription.get("device", {}))
 
-    ipam_steps = StepList([deprovision_loopback_ips, deprovision_si_ips, deprovision_lt_ips])
+    ipam_steps = (
+        StepList([deprovision_loopback_ips])
+        >> run_si_removal(deprovision_si_ips)
+        >> run_ias_removal(deprovision_lt_ips)
+    )
 
     return (
         init