Add email config for tempmon-server alerts

rattail_tempmon/emails.py

@@ -0,0 +1,102 @@
+# -*- coding: utf-8 -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2016 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 Affero 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 Affero General Public License for
+#  more details.
+#
+#  You should have received a copy of the GNU Affero 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
+
+
+class tempmon(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 {
+            'probe': probe,
+            'status': self.enum.TEMPMON_PROBE_STATUS[self.enum.TEMPMON_PROBE_STATUS_ERROR],
+            'reading': model.TempmonReading(),
+            'taken': now,
+            'now': now,
+        }
+
+
+class tempmon_critical_temp(tempmon, 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(tempmon, 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_high_temp(tempmon, 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(tempmon, 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