stacktach/stacktach/models.py

171 lines
7.5 KiB
Python

# Copyright 2012 - Dark Secret Software Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from django import forms
from django.db import models
class Deployment(models.Model):
name = models.CharField(max_length=50)
def __repr__(self):
return self.name
class RawData(models.Model):
deployment = models.ForeignKey(Deployment)
tenant = models.CharField(max_length=50, null=True, blank=True,
db_index=True)
json = models.TextField()
routing_key = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
state = models.CharField(max_length=20, null=True,
blank=True, db_index=True)
old_state = models.CharField(max_length=20, null=True,
blank=True, db_index=True)
old_task = models.CharField(max_length=30, null=True,
blank=True, db_index=True)
task = models.CharField(max_length=30, null=True,
blank=True, db_index=True)
image_type = models.IntegerField(null=True, default=0, db_index=True)
when = models.DecimalField(max_digits=20, decimal_places=6,
db_index=True)
publisher = models.CharField(max_length=100, null=True,
blank=True, db_index=True)
event = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
service = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
host = models.CharField(max_length=100, null=True,
blank=True, db_index=True)
instance = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
request_id = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
def __repr__(self):
return "%s %s %s" % (self.event, self.instance, self.state)
class Lifecycle(models.Model):
"""The Lifecycle table is the Master for a group of
Timing detail records. There is one Lifecycle row for
each instance seen in the event stream. The Timings
relate to the execution time for each .start/.end event
pair for this instance. These pairs are over the entire
lifespan of the instance, even across multiple api requests."""
instance = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
last_state = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
last_task_state = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
last_raw = models.ForeignKey(RawData, null=True)
class InstanceUsage(models.Model):
instance = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
launched_at = models.DecimalField(null=True, max_digits=20,
decimal_places=6)
request_id = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
instance_type_id = models.CharField(max_length=50,
null=True,
blank=True,
db_index=True)
class InstanceDeletes(models.Model):
instance = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
launched_at = models.DecimalField(null=True, max_digits=20,
decimal_places=6)
deleted_at = models.DecimalField(null=True, max_digits=20,
decimal_places=6)
raw = models.ForeignKey(RawData, null=True)
class InstanceExists(models.Model):
PENDING = 'pending'
VERIFIED = 'verified'
FAILED = 'failed'
STATUS_CHOICES = [
(PENDING, 'Pending Verification'),
(VERIFIED, 'Passed Verification'),
(FAILED, 'Failed Verification'),
]
instance = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
launched_at = models.DecimalField(null=True, max_digits=20,
decimal_places=6)
deleted_at = models.DecimalField(null=True, max_digits=20,
decimal_places=6)
message_id = models.CharField(max_length=50, null=True,
blank=True, db_index=True)
instance_type_id = models.CharField(max_length=50,
null=True,
blank=True,
db_index=True)
status = models.CharField(max_length=50, db_index=True,
choices=STATUS_CHOICES,
default=PENDING)
raw = models.ForeignKey(RawData, related_name='+', null=True)
usage = models.ForeignKey(InstanceUsage, related_name='+', null=True)
delete = models.ForeignKey(InstanceDeletes, related_name='+', null=True)
class Timing(models.Model):
"""Each Timing record corresponds to a .start/.end event pair
for an instance. It tracks how long it took this operation
to execute."""
name = models.CharField(max_length=50, db_index=True)
lifecycle = models.ForeignKey(Lifecycle)
start_raw = models.ForeignKey(RawData, related_name='+', null=True)
end_raw = models.ForeignKey(RawData, related_name='+', null=True)
start_when = models.DecimalField(null=True, max_digits=20,
decimal_places=6)
end_when = models.DecimalField(null=True, max_digits=20, decimal_places=6)
diff = models.DecimalField(null=True, max_digits=20, decimal_places=6,
db_index=True)
class RequestTracker(models.Model):
"""The RequestTracker table tracks the elapsed time of a user
request from the time it hits the API node to the time of the
final .end event (with the same Request ID)."""
request_id = models.CharField(max_length=50, db_index=True)
lifecycle = models.ForeignKey(Lifecycle)
last_timing = models.ForeignKey(Timing, null=True, db_index=True)
start = models.DecimalField(max_digits=20, decimal_places=6, db_index=True)
duration = models.DecimalField(max_digits=20, decimal_places=6,
db_index=True)
# Not used ... but soon hopefully.
completed = models.BooleanField(default=False, db_index=True)
class JsonReport(models.Model):
"""Stores cron-job reports in raw json format for extraction
via stacky/rest. All DateTimes are UTC."""
period_start = models.DateTimeField(db_index=True)
period_end = models.DateTimeField(db_index=True)
created = models.DecimalField(max_digits=20, decimal_places=6, db_index=True)
name = models.CharField(max_length=50, db_index=True)
version = models.IntegerField(default=1)
json = models.TextField()