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89 lines
2.8 KiB
89 lines
2.8 KiB
# coding: utf-8
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from datetime import timedelta as td
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import uuid
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from django.conf import settings
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from django.contrib.auth.models import User
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from django.db import models
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from django.utils import timezone
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from hc.lib.emails import send
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STATUSES = (("up", "Up"), ("down", "Down"), ("new", "New"))
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DEFAULT_TIMEOUT = td(days=1)
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DEFAULT_GRACE = td(hours=1)
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CHANNEL_KINDS = (("email", "Email"), ("webhook", "Webhook"),
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("pd", "PagerDuty"))
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class Check(models.Model):
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name = models.CharField(max_length=100, blank=True)
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code = models.UUIDField(default=uuid.uuid4, editable=False)
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user = models.ForeignKey(User, blank=True, null=True)
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created = models.DateTimeField(auto_now_add=True)
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timeout = models.DurationField(default=DEFAULT_TIMEOUT)
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grace = models.DurationField(default=DEFAULT_GRACE)
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last_ping = models.DateTimeField(null=True, blank=True)
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alert_after = models.DateTimeField(null=True, blank=True, editable=False)
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status = models.CharField(max_length=6, choices=STATUSES, default="new")
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def __str__(self):
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return "Check(%s)" % self.code
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def url(self):
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return settings.PING_ENDPOINT + str(self.code)
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def email(self):
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return "%s@%s" % (self.code, settings.PING_EMAIL_DOMAIN)
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def send_alert(self):
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ctx = {
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"check": self,
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"checks": self.user.check_set.order_by("created"),
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"now": timezone.now()
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}
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if self.status in ("up", "down"):
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send(self.user.email, "emails/alert", ctx)
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else:
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raise NotImplemented("Unexpected status: %s" % self.status)
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def get_status(self):
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if self.status == "new":
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return "new"
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now = timezone.now()
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if self.last_ping + self.timeout > now:
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return "up"
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if self.last_ping + self.timeout + self.grace > now:
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return "grace"
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return "down"
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def assign_all_channels(self):
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channels = Channel.objects.filter(user=self.user)
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self.channel_set.add(*channels)
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class Ping(models.Model):
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owner = models.ForeignKey(Check)
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created = models.DateTimeField(auto_now_add=True)
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scheme = models.CharField(max_length=10, default="http")
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remote_addr = models.GenericIPAddressField(blank=True, null=True)
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method = models.CharField(max_length=10, blank=True)
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ua = models.CharField(max_length=200, blank=True)
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body = models.TextField(blank=True)
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class Channel(models.Model):
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code = models.UUIDField(default=uuid.uuid4, editable=False)
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user = models.ForeignKey(User)
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created = models.DateTimeField(auto_now_add=True)
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kind = models.CharField(max_length=20, choices=CHANNEL_KINDS)
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value = models.CharField(max_length=200, blank=True)
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email_verified = models.BooleanField(default=False)
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checks = models.ManyToManyField(Check)
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