Fix warnings coming from models

src/webmon_app/reporting/dasmon/models.py

@@ -97,7 +97,7 @@ class ActiveInstrument(models.Model):
     have their DAS turned ON
     """
 
-    instrument_id = models.ForeignKey(Instrument, unique=True, on_delete=models.CASCADE)
+    instrument_id = models.ForeignKey(Instrument, on_delete=models.CASCADE)
     is_alive = models.BooleanField(default=True)
     is_adara = models.BooleanField(default=True)
     has_pvsd = models.BooleanField(default=False)
@@ -123,7 +123,7 @@ class LegacyURL(models.Model):
     Table of URLs pointing to the legacy instrument status service
     """
 
-    instrument_id = models.ForeignKey(Instrument, unique=True, on_delete=models.CASCADE)
+    instrument_id = models.ForeignKey(Instrument, on_delete=models.CASCADE)
     url = models.CharField(max_length=128)
     long_name = models.CharField(max_length=40)
 

src/webmon_app/reporting/reduction/models.py

@@ -37,7 +37,7 @@ class PropertyDefault(models.Model):
     Table of default values
     """
 
-    property = models.ForeignKey(ReductionProperty, unique=True, on_delete=models.CASCADE)
+    property = models.ForeignKey(ReductionProperty, on_delete=models.CASCADE)
     value = models.TextField(blank=True)
     timestamp = models.DateTimeField("timestamp", auto_now=True)
 

src/webmon_app/reporting/reporting_app/settings/base.py

@@ -370,3 +370,6 @@ def validate_ldap_settings(server_uri, user_dn_template):
 TEST_REMOTE_PASSWD = ""
 
 GRAVATAR_URL = "https://www.gravatar.com/avatar/"
+
+# set the default auto field type
+DEFAULT_AUTO_FIELD = "django.db.models.AutoField"

src/workflow_app/workflow/database/report/models.py

@@ -341,7 +341,7 @@ class WorkflowSummary(models.Model):
     Overall status of the workflow for a given run
     """
 
-    run_id = models.ForeignKey(DataRun, unique=True, on_delete=models.CASCADE)
+    run_id = models.ForeignKey(DataRun, on_delete=models.CASCADE)
 
     # Overall status of the workflow for this run
     complete = models.BooleanField(default=False)
@@ -521,7 +521,7 @@ class InstrumentStatus(models.Model):
     This can be used to quickly access status information.
     """
 
-    instrument_id = models.ForeignKey(Instrument, unique=True, on_delete=models.CASCADE)
+    instrument_id = models.ForeignKey(Instrument, on_delete=models.CASCADE)
     last_run_id = models.ForeignKey(DataRun, null=True, on_delete=models.CASCADE)
 
     class Meta: