Run pre and post checks when trunk capacity changes

gso/workflows/iptrunk/modify_trunk_interface.py

@@ -34,6 +34,8 @@ from gso.utils.helpers import (
     validate_tt_number,
 )
 from gso.utils.shared_enums import IPv4AddressType, IPv6AddressType, Vendor
+from gso.workflows.iptrunk.migrate_iptrunk import check_ip_trunk_optical_levels_pre
+from gso.workflows.iptrunk.validate_iptrunk import check_ip_trunk_isis
 
 T = TypeVar("T", bound=LAGMember)
 
@@ -175,6 +177,69 @@ def initial_input_form_generator(subscription_id: UUIDstr) -> FormGenerator:
     )
 
 
+@step("Determine whether we should be running interface checks")
+def determine_change_in_capacity(
+    subscription: Iptrunk, iptrunk_speed: str, side_a_ae_members: list[LAGMember], side_b_ae_members: list[LAGMember]
+) -> State:
+    """Determine whether we should run pre- and post-checks on the IP trunk.
+
+    This can be caused by the following conditions:
+     * The total capacity of the trunk changes
+     * The amount of interfaces changes
+     * One or more interface names have changed on side A
+     * One or more interface names have changed on side B
+    """
+    capacity_has_changed = (
+        iptrunk_speed != subscription.iptrunk.iptrunk_speed
+        or len(side_a_ae_members) != len(subscription.iptrunk.iptrunk_sides[0].iptrunk_side_ae_members)
+        or any(
+            old_interface.interface_name != new_interface.interface_name
+            for old_interface, new_interface in zip(
+                subscription.iptrunk.iptrunk_sides[0].iptrunk_side_ae_members, side_a_ae_members, strict=False
+            )
+        )
+        or any(
+            old_interface.interface_name != new_interface.interface_name
+            for old_interface, new_interface in zip(
+                subscription.iptrunk.iptrunk_sides[1].iptrunk_side_ae_members, side_b_ae_members, strict=False
+            )
+        )
+    )
+
+    return {"capacity_has_changed": capacity_has_changed}
+
+
+@step("Check IP connectivity of the trunk")
+def check_ip_trunk_connectivity(subscription: Iptrunk, callback_route: str) -> State:
+    """Check successful connectivity across a trunk."""
+    extra_vars = {"wfo_ip_trunk_json": json.loads(json_dumps(subscription)), "check": "ping"}
+
+    execute_playbook(
+        playbook_name="iptrunks_checks.yaml",
+        callback_route=callback_route,
+        inventory=subscription.iptrunk.iptrunk_sides[0].iptrunk_side_node.router_fqdn,
+        extra_vars=extra_vars,
+    )
+
+    return {"subscription": subscription}
+
+
+@step("Check LLDP on the trunk endpoints")
+def check_ip_trunk_lldp(subscription: Iptrunk, callback_route: str) -> State:
+    """Check LLDP on trunk endpoints."""
+    extra_vars = {"wfo_ip_trunk_json": json.loads(json_dumps(subscription)), "check": "lldp"}
+
+    execute_playbook(
+        playbook_name="iptrunks_checks.yaml",
+        callback_route=callback_route,
+        inventory=f"{subscription.iptrunk.iptrunk_sides[0].iptrunk_side_node.router_fqdn}\n"
+        f"{subscription.iptrunk.iptrunk_sides[1].iptrunk_side_node.router_fqdn}\n",
+        extra_vars=extra_vars,
+    )
+
+    return {"subscription": subscription}
+
+
 @step("Update subscription")
 def modify_iptrunk_subscription(
     subscription: Iptrunk,
@@ -422,10 +487,17 @@ def modify_trunk_interface() -> StepList:
         )
         == Vendor.NOKIA
     )
+    capacity_has_changed = conditional(lambda state: state["capacity_has_changed"])
+
     return (
         begin
         >> store_process_subscription(Target.MODIFY)
         >> unsync
+        >> determine_change_in_capacity
+        >> capacity_has_changed(lso_interaction(check_ip_trunk_optical_levels_pre))
+        >> capacity_has_changed(lso_interaction(check_ip_trunk_connectivity))
+        >> capacity_has_changed(lso_interaction(check_ip_trunk_lldp))
+        >> capacity_has_changed(lso_interaction(check_ip_trunk_isis))
         >> modify_iptrunk_subscription
         >> side_a_is_nokia(netbox_update_interfaces_side_a)
         >> side_b_is_nokia(netbox_update_interfaces_side_b)
@@ -433,6 +505,10 @@ def modify_trunk_interface() -> StepList:
         >> lso_interaction(provision_ip_trunk_iface_real)
         >> side_a_is_nokia(allocate_interfaces_in_netbox_side_a)
         >> side_b_is_nokia(allocate_interfaces_in_netbox_side_b)
+        >> capacity_has_changed(lso_interaction(check_ip_trunk_optical_levels_pre))
+        >> capacity_has_changed(lso_interaction(check_ip_trunk_connectivity))
+        >> capacity_has_changed(lso_interaction(check_ip_trunk_lldp))
+        >> capacity_has_changed(lso_interaction(check_ip_trunk_isis))
         >> resync
         >> done
     )