init

monitoring/models.py

@@ -0,0 +1,100 @@
+import uuid
+from django.conf import settings
+from django.db import models
+from django.db.models import Q
+class Segment(models.Model):
+    name=models.CharField(max_length=100,unique=True)
+    cidr=models.CharField(max_length=100,blank=True)
+    def __str__(self): return self.name
+class Server(models.Model):
+    id=models.UUIDField(primary_key=True,default=uuid.uuid4,editable=False)
+    name=models.CharField(max_length=150,unique=True)
+    segment=models.ForeignKey(Segment,on_delete=models.PROTECT)
+    address=models.CharField(max_length=255,blank=True)
+    enabled=models.BooleanField(default=True)
+    maintenance=models.BooleanField(default=False)
+    last_seen=models.DateTimeField(null=True,blank=True)
+    latest_sample_at=models.DateTimeField(null=True,blank=True)
+    latest=models.JSONField(default=dict,blank=True)
+    created_at=models.DateTimeField(auto_now_add=True)
+    def __str__(self): return self.name
+class AgentCredential(models.Model):
+    server=models.ForeignKey(Server,on_delete=models.CASCADE)
+    digest=models.CharField(max_length=64,unique=True)
+    label=models.CharField(max_length=100,default='agent')
+    active=models.BooleanField(default=True)
+    created_at=models.DateTimeField(auto_now_add=True)
+class AccessToken(models.Model):
+    user=models.ForeignKey(settings.AUTH_USER_MODEL,on_delete=models.CASCADE)
+    digest=models.CharField(max_length=64,unique=True)
+    expires_at=models.DateTimeField(db_index=True)
+class Event(models.Model):
+    id=models.UUIDField(primary_key=True)
+    server=models.ForeignKey(Server,on_delete=models.CASCADE)
+    kind=models.CharField(max_length=50,db_index=True)
+    occurred_at=models.DateTimeField(db_index=True)
+    received_at=models.DateTimeField(auto_now_add=True,db_index=True)
+    payload=models.JSONField(default=dict)
+    class Meta:
+        indexes=[models.Index(fields=['server','occurred_at']),models.Index(fields=['server','kind','occurred_at'])]
+class Metric(models.Model):
+    event=models.OneToOneField(Event,on_delete=models.CASCADE,primary_key=True)
+    server=models.ForeignKey(Server,on_delete=models.CASCADE)
+    at=models.DateTimeField(db_index=True)
+    cpu=models.FloatField()
+    ram=models.FloatField()
+    disk=models.FloatField()
+    class Meta:
+        indexes=[models.Index(fields=['server','at'])]
+class Worker(models.Model):
+    server=models.ForeignKey(Server,on_delete=models.CASCADE)
+    hostname=models.CharField(max_length=255)
+    last_seen=models.DateTimeField()
+    online=models.BooleanField(default=True)
+    active=models.IntegerField(default=0)
+    processed=models.BigIntegerField(default=0)
+    class Meta:
+        constraints=[models.UniqueConstraint(fields=['server','hostname'],name='unique_worker_per_collector')]
+class Task(models.Model):
+    server=models.ForeignKey(Server,on_delete=models.CASCADE)
+    task_id=models.CharField(max_length=200)
+    name=models.CharField(max_length=255,blank=True)
+    worker=models.CharField(max_length=255,blank=True)
+    state=models.CharField(max_length=30)
+    first_at=models.DateTimeField()
+    last_at=models.DateTimeField(db_index=True)
+    runtime=models.FloatField(null=True,blank=True)
+    retries=models.IntegerField(default=0)
+    class Meta:
+        constraints=[models.UniqueConstraint(fields=['server','task_id'],name='unique_task_per_collector')]
+        indexes=[models.Index(fields=['server','last_at'])]
+class Alarm(models.Model):
+    server=models.ForeignKey(Server,on_delete=models.CASCADE)
+    code=models.CharField(max_length=80)
+    severity=models.CharField(max_length=20,default='warning')
+    message=models.CharField(max_length=400)
+    opened_at=models.DateTimeField(auto_now_add=True)
+    resolved_at=models.DateTimeField(null=True,blank=True)
+    acknowledged_at=models.DateTimeField(null=True,blank=True)
+    acknowledged_by=models.ForeignKey(settings.AUTH_USER_MODEL,null=True,blank=True,on_delete=models.SET_NULL)
+    class Meta:
+        constraints=[models.UniqueConstraint(fields=['server','code'],condition=Q(resolved_at__isnull=True),name='one_open_alarm')]
+class Notification(models.Model):
+    alarm=models.OneToOneField(Alarm,on_delete=models.CASCADE)
+    sent_at=models.DateTimeField(null=True,blank=True)
+    attempts=models.IntegerField(default=0)
+    next_attempt=models.DateTimeField()
+    last_error=models.CharField(max_length=100,blank=True)
+class Configuration(models.Model):
+    id=models.PositiveSmallIntegerField(primary_key=True,default=1,editable=False)
+    retention_days=models.PositiveIntegerField(default=90)
+    heartbeat_timeout=models.PositiveIntegerField(default=60)
+    cpu_warning=models.PositiveIntegerField(default=85)
+    ram_warning=models.PositiveIntegerField(default=90)
+    disk_warning=models.PositiveIntegerField(default=90)
+    updated_at=models.DateTimeField(auto_now=True)
+class Audit(models.Model):
+    at=models.DateTimeField(auto_now_add=True)
+    actor=models.CharField(max_length=150)
+    action=models.CharField(max_length=200)
+    details=models.JSONField(default=dict)