[fix] Fix creation of checks for existing devices #348

Fixes #348

(cherry picked from commit e151a9c)

Author: nemesifier

openwisp_monitoring/check/migrations/0003_create_ping.py

@@ -1,32 +1,10 @@
-import swapper
 from django.db import migrations
 
-from openwisp_monitoring.check.settings import AUTO_PING
-from openwisp_monitoring.check.tasks import auto_create_ping
-
-
-def create_device_ping(apps, schema_editor):
-    if AUTO_PING:
-        ContentType = apps.get_model('contenttypes', 'ContentType')
-        Check = apps.get_model('check', 'Check')
-        Device = apps.get_model('config', 'Device')
-        for device in Device.objects.all():
-            auto_create_ping(
-                model=Device.__name__.lower(),
-                app_label=Device._meta.app_label,
-                object_id=str(device.pk),
-                check_model=Check,
-                content_type_model=ContentType,
-            )
-
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('check', '0002_check_unique_together'),
-        swapper.dependency('monitoring', 'Metric'),
+        ('check', '0001_initial_squashed_0002_check_unique_together'),
     ]
 
-    operations = [
-        migrations.RunPython(create_device_ping, reverse_code=migrations.RunPython.noop)
-    ]
+    operations = []

openwisp_monitoring/check/migrations/0005_create_config_applied.py

@@ -1,42 +1,10 @@
 from django.db import migrations
 
-from openwisp_monitoring.check.settings import AUTO_CONFIG_CHECK
-from openwisp_monitoring.check.tasks import auto_create_config_check
-
-
-def add_config_applied_checks(apps, schema_editor):
-    if not AUTO_CONFIG_CHECK:
-        return
-    ContentType = apps.get_model('contenttypes', 'ContentType')
-    Check = apps.get_model('check', 'Check')
-    Device = apps.get_model('config', 'Device')
-    for device in Device.objects.all():
-        auto_create_config_check(
-            model=Device.__name__.lower(),
-            app_label=Device._meta.app_label,
-            object_id=str(device.pk),
-            check_model=Check,
-            content_type_model=ContentType,
-        )
-
-
-def remove_config_applied_checks(apps, schema_editor):
-    Check = apps.get_model('check', 'Check')
-    Metric = apps.get_model('monitoring', 'Metric')
-    Check.objects.filter(
-        check='openwisp_monitoring.check.classes.ConfigApplied'
-    ).delete()
-    Metric.objects.filter(configuration='config_applied').delete()
-
 
 class Migration(migrations.Migration):
 
     dependencies = [
         ('check', '0004_rename_active_to_is_active'),
     ]
 
-    operations = [
-        migrations.RunPython(
-            add_config_applied_checks, reverse_code=remove_config_applied_checks
-        )
-    ]
+    operations = []

openwisp_monitoring/check/migrations/0007_create_checks.py

@@ -0,0 +1,62 @@
+import swapper
+from django.db import migrations
+
+from openwisp_monitoring.check.settings import AUTO_CONFIG_CHECK, AUTO_PING
+from openwisp_monitoring.check.tasks import auto_create_config_check, auto_create_ping
+
+
+def create_ping_checks(apps, schema_editor):
+    if AUTO_PING:
+        ContentType = apps.get_model('contenttypes', 'ContentType')
+        Check = apps.get_model('check', 'Check')
+        Device = apps.get_model('config', 'Device')
+        for device in Device.objects.all():
+            auto_create_ping(
+                model=Device.__name__.lower(),
+                app_label=Device._meta.app_label,
+                object_id=str(device.pk),
+                check_model=Check,
+                content_type_model=ContentType,
+            )
+
+
+def create_config_applied_checks(apps, schema_editor):
+    if not AUTO_CONFIG_CHECK:
+        return
+    ContentType = apps.get_model('contenttypes', 'ContentType')
+    Check = apps.get_model('check', 'Check')
+    Device = apps.get_model('config', 'Device')
+    for device in Device.objects.all():
+        auto_create_config_check(
+            model=Device.__name__.lower(),
+            app_label=Device._meta.app_label,
+            object_id=str(device.pk),
+            check_model=Check,
+            content_type_model=ContentType,
+        )
+
+
+def remove_config_applied_checks(apps, schema_editor):
+    Check = apps.get_model('check', 'Check')
+    Metric = apps.get_model('monitoring', 'Metric')
+    Check.objects.filter(
+        check='openwisp_monitoring.check.classes.ConfigApplied'
+    ).delete()
+    Metric.objects.filter(configuration='config_applied').delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('check', '0006_rename_check_check_check_type'),
+        swapper.dependency('monitoring', 'Metric'),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            create_ping_checks, reverse_code=migrations.RunPython.noop
+        ),
+        migrations.RunPython(
+            create_config_applied_checks, reverse_code=remove_config_applied_checks
+        ),
+    ]