rattail-tempmon/rattail_tempmon/emails.py

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# -*- coding: utf-8; -*-
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2018 Lance Edgar
#
# This file is part of Rattail.
#
# Rattail is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# Rattail. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
"""
Email config for tempmon-server
"""
from __future__ import unicode_literals, absolute_import
from rattail.db import model
from rattail.mail import Email
from rattail.time import localtime
from rattail_tempmon.db import model as tempmon
class TempmonBase(object):
"""
Generic base class for all tempmon-related emails; adds common sample data.
"""
def sample_data(self, request):
now = localtime(self.config)
client = model.TempmonClient(config_key='testclient', hostname='testclient')
probe = model.TempmonProbe(config_key='testprobe', description="Test Probe")
client.probes.append(probe)
return {
'client': client,
'probe': probe,
'status': self.enum.TEMPMON_PROBE_STATUS[self.enum.TEMPMON_PROBE_STATUS_ERROR],
'reading': model.TempmonReading(),
'taken': now,
'now': now,
'probe_url': '#',
}
class tempmon_critical_temp(TempmonBase, Email):
"""
Sent when a tempmon probe takes a reading which is "critical" in either the
high or low sense.
"""
default_subject = "Critical temperature detected"
def sample_data(self, request):
data = super(tempmon_critical_temp, self).sample_data(request)
data['status'] = self.enum.TEMPMON_PROBE_STATUS[self.enum.TEMPMON_PROBE_STATUS_CRITICAL_TEMP]
return data
class tempmon_error(TempmonBase, Email):
"""
Sent when a tempmon probe is noticed to have some error, i.e. no current readings.
"""
default_subject = "Probe error detected"
def sample_data(self, request):
data = super(tempmon_error, self).sample_data(request)
data['status'] = self.enum.TEMPMON_PROBE_STATUS[self.enum.TEMPMON_PROBE_STATUS_ERROR]
data['taken'] = None
return data
class tempmon_client_offline(TempmonBase, Email):
"""
Sent when a tempmon client has been marked offline.
"""
default_subject = "Client Offline"
class tempmon_good_temp(TempmonBase, Email):
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"""
Sent whenever a tempmon probe first takes a "good temp" reading, after
having previously had some bad reading(s).
"""
default_subject = "Good temperature detected"
def sample_data(self, request):
data = super(tempmon_good_temp, self).sample_data(request)
data['status'] = self.enum.TEMPMON_PROBE_STATUS[self.enum.TEMPMON_PROBE_STATUS_GOOD_TEMP]
return data
class tempmon_high_temp(TempmonBase, Email):
"""
Sent when a tempmon probe takes a reading which is above the "maximum good
temp" range, but still below the "critically high temp" threshold.
"""
default_subject = "High temperature detected"
def sample_data(self, request):
data = super(tempmon_high_temp, self).sample_data(request)
data['status'] = self.enum.TEMPMON_PROBE_STATUS[self.enum.TEMPMON_PROBE_STATUS_HIGH_TEMP]
return data
class tempmon_low_temp(TempmonBase, Email):
"""
Sent when a tempmon probe takes a reading which is below the "minimum good
temp" range, but still above the "critically low temp" threshold.
"""
default_subject = "Low temperature detected"
def sample_data(self, request):
data = super(tempmon_low_temp, self).sample_data(request)
data['status'] = self.enum.TEMPMON_PROBE_STATUS[self.enum.TEMPMON_PROBE_STATUS_LOW_TEMP]
return data
class tempmon_disabled_probes(Email):
"""
Notifies of any Tempmon client devices or probes which are disabled.
"""
default_subject = "Disabled probes"
def sample_data(self, request):
return {
'disabled_clients': [
tempmon.Client(config_key='foo', hostname='foo.example.com'),
],
'disabled_probes': [
tempmon.Probe(description="north wall of walk-in cooler",
client=tempmon.Client(config_key='bar')),
],
}