Merge pull request Uninett#2611 from stveit/device_removed_events

Create events when PowerSupplyOrFans are deleted

changelog.d/2982.added.md

@@ -0,0 +1 @@
+Post event when a PowerSupplyOrFan is deleted

doc/reference/alerttypes.rst

@@ -213,6 +213,10 @@ Registers the state of a device
      - The device has been found as a power supply.
    * - ``deviceNewFan``
      - The device has been found as a fan.
+   * - ``deviceDeletedFan``
+     - The device has been removed as a fan.
+   * - ``deviceDeletedPsu``
+     - The device has been removed as a power supply.
 
 
 

python/nav/etc/alertmsg/deviceState/deviceDeletedFan-email.txt

@@ -0,0 +1,2 @@
+Subject: Device has been removed as a fan
+Device {{device}} has been removed from {{netbox}} as a fan

python/nav/etc/alertmsg/deviceState/deviceDeletedFan-sms.txt

@@ -0,0 +1 @@
+Device {{device}} has been removed from {{netbox}} as a fan

python/nav/etc/alertmsg/deviceState/deviceDeletedPsu-email.txt

@@ -0,0 +1,2 @@
+Subject: Device has been removed as a power supply
+Device {{device}} has been removed from {{netbox}} as a power supply

python/nav/etc/alertmsg/deviceState/deviceDeletedPsu-sms.txt

@@ -0,0 +1 @@
+Device {{device}} has been removed from {{netbox}} as a power supply

python/nav/ipdevpoll/shadows/__init__.py

@@ -827,6 +827,7 @@ def _delete_missing_psus_and_fans(cls, containers):
             netbox.sysname,
             ", ".join(psu_and_fan_names),
         )
+        cls._alert_missing_devices_are_deleted(missing_psus_and_fans)
         missing_psus_and_fans.delete()
 
     @classmethod
@@ -838,6 +839,23 @@ def _get_missing_psus_and_fans(cls, containers):
         ).exclude(pk__in=found_psus_and_fans_pks)
         return missing_psus_and_fans
 
+    @classmethod
+    def _alert_missing_devices_are_deleted(cls, deleted_psus_and_fans):
+        for psufan in deleted_psus_and_fans:
+            try:
+                if psufan.device.serial:
+                    device_event.notify(
+                        device=psufan.device,
+                        netbox=psufan.netbox,
+                        alert_type=(
+                            "deviceDeletedPsu"
+                            if psufan.is_psu()
+                            else "deviceDeletedFan"
+                        ),
+                    ).save()
+            except manage.Device.DoesNotExist:
+                pass
+
 
 class POEPort(Shadow):
     __shadowclass__ = manage.POEPort

python/nav/models/sql/changes/sc.05.05.0002.sql

@@ -0,0 +1,5 @@
+-- Add new deviceState alert
+INSERT INTO alerttype (eventtypeid,alerttype,alerttypedesc) VALUES
+  ('deviceState','deviceDeletedFan','The device has been removed as a fan.');
+  INSERT INTO alerttype (eventtypeid,alerttype,alerttypedesc) VALUES
+  ('deviceState','deviceDeletedPsu','The device has been removed as a power supply.');