def test_regression_issue_1900(mock_post):
event = {
"Records": [{
"EventSource": "aws:sns",
"EventSubscriptionArn":
"arn:aws:sns:eu-west-1:760097843905:shared_alb_server_error_alarm:7701d498-64a4-425e-b966-f9069ecf91a2",
"EventVersion": "1.0",
"Sns": {
"Message":
'{"AlarmName":"loris-alb-not-enough-healthy-hosts","AlarmDescription":"This '
"metric monitors "
'loris-alb-not-enough-healthy-hosts","AWSAccountId":"760097843905","NewStateValue":"ALARM","NewStateReason":"Threshold '
"Crossed: no datapoints were received for 1 "
"period and 1 missing datapoint was treated "
"as "
'[Breaching].","StateChangeTime":"2018-04-16T15:34:56.438+0000","Region":"EU '
'(Ireland)","OldStateValue":"INSUFFICIENT_DATA","Trigger":{"MetricName":"HealthyHostCount","Namespace":"AWS/ApplicationELB","StatisticType":"Statistic","Statistic":"SUM","Unit":null,"Dimensions":[{"name":"TargetGroup","value":"targetgroup/loris/087013874ebbe481"},{"name":"LoadBalancer","value":"app/loris/c0af06f31b54a8c9"}],"Period":60,"EvaluationPeriods":1,"ComparisonOperator":"LessThanThreshold","Threshold":2.0,"TreatMissingData":"- '
"TreatMissingData: "
'Breaching","EvaluateLowSampleCountPercentile":""}}',
"MessageAttributes": {},
"MessageId":
"6bd3a539-6665-5449-9496-f677a285954e",
"Signature":
"QI0mjffHTGE0y/HcQQoECquP0c3Xtzc6CiFzFBEfM3KRKWFmT2gcebnRU7vGBqh5uHKU+H98k7XJkUqkTVwtz0NkNk5gnRdP/Aqz3ZOtheRqv2qydbzXiIh94mHm9u62Fsiplqlq2vXdKMRKtRFovw58baieYSYAuPhxf+s74TTIY1gU79Lx4IdXfJHf1xfT2UZLHvt83swy5C+19elIlqM9+48+dnShRdQJAk/SOQnGNyTWeVdu+6w2JeNNa6avFaTqLryIBXUO8kgQy6E5VdXtka0Ufiu6qmDKhWRWZajGQBhYHpS6QbgVD7tsBr+FEgeQSb8JfOeuAHtly+hIOw==",
"SignatureVersion":
"1",
"SigningCertUrl":
"https://sns.eu-west-1.amazonaws.com/SimpleNotificationService-433026a4050d206028891664da859041.pem",
"Subject":
'ALARM: "loris-alb-not-enough-healthy-hosts" '
"in EU (Ireland)",
"Timestamp":
"2018-04-16T15:34:56.473Z",
"TopicArn":
"arn:aws:sns:eu-west-1:760097843905:shared_alb_server_error_alarm",
"Type":
"Notification",
"UnsubscribeUrl":
"https://sns.eu-west-1.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:eu-west-1:760097843905:shared_alb_server_error_alarm:7701d498-64a4-425e-b966-f9069ecf91a2",
},
}]
}
mock_post.return_value.ok = True
post_to_slack.main(event)
def test_post_to_slack(mock_post, event, critical_hook, alarm_name):
mock_post.return_value.ok = True
post_to_slack.main(event)
calls = mock_post.call_args_list
assert len(calls) == 1
assert calls[0][0][0] == critical_hook
sent_data = json.loads(calls[0][1]["data"])
assert len(sent_data["attachments"]) == 1
attachment = sent_data["attachments"][0]
assert attachment["fallback"] == alarm_name
assert attachment["title"] == alarm_name
assert len(attachment["fields"]) == 1
assert (attachment["fields"][0]["value"] ==
"There was a 500 error from the api ALB target group.")
def test_post_to_slack(mock_post, event, critical_hook, alarm_name):
mock_post.return_value.ok = True
post_to_slack.main(event)
calls = mock_post.call_args_list
assert len(calls) == 1
assert calls[0][0][0] == critical_hook
sent_data = json.loads(calls[0][1]['data'])
assert len(sent_data['attachments']) == 1
attachment = sent_data['attachments'][0]
assert attachment['fallback'] == alarm_name
assert attachment['title'] == alarm_name
assert len(attachment['fields']) == 1
assert (attachment['fields'][0]['value'] ==
'There was a 500 error from the api ALB target group.')
def test_post_to_slack(mock_post):
url = "http://blah.com"
os.environ['SLACK_INCOMING_WEBHOOK'] = url
mock_post.return_value.ok = True
alarm_name = "api-alb-target-500-errors"
metric_name = "HTTPCode_Target_5XX_Count"
namespace = "AWS/ApplicationELB"
dimensions = [{
"name": "TargetGroup",
"value": "targetgroup/api/e0aa3403356f01e9"
}, {
"name": "LoadBalancer",
"value": "app/api/e87a4a5f32874d8b"
}]
reason = "Threshold Crossed: 1 datapoint (4.0) was \
greater than or equal to the threshold (1.0)."
timestamp = "2017-07-10T15:42:24.243+0000"
alarm_info = {
"AlarmName": alarm_name,
"AlarmDescription": "This metric monitors api-alb-target-500-errors",
"AWSAccountId": "account_id",
"NewStateValue": "ALARM",
"NewStateReason": reason,
"StateChangeTime": timestamp,
"Region": "EU - Ireland",
"OldStateValue": "INSUFFICIENT_DATA",
"Trigger": {
"MetricName": metric_name,
"Namespace": namespace,
"StatisticType": "Statistic",
"Statistic": "SUM",
"Unit": "",
"Dimensions": dimensions,
"Period": 60,
"EvaluationPeriods": 1,
"ComparisonOperator": "GreaterThanOrEqualToThreshold",
"Threshold": 1.0,
"TreatMissingData": "",
"EvaluateLowSampleCountPercentile": ""
}
}
event = {
'Records': [{
'EventSource': 'aws:sns',
'EventVersion': '1.0',
'EventSubscriptionArn':
'arn:aws:sns:region:account_id:alb_server_error_alarm:stuff',
'Sns': {
'Type': 'Notification',
'MessageId': 'b20eb72b-ffc7-5d09-9636-e6f65d67d10f',
'TopicArn':
'arn:aws:sns:region:account_id:alb_server_error_alarm',
'Subject':
'ALARM: "api-alb-target-500-errors" in EU - Ireland',
'Message': json.dumps(alarm_info),
'Timestamp': '2017-07-10T15:42:24.307Z',
'SignatureVersion': '1',
'Signature': 'signature',
'SigningCertUrl': 'https://certificate.pem',
'UnsubscribeUrl': 'https://unsubscribe-url',
'MessageAttributes': {}
}
}]
}
post_to_slack.main(event, None)
calls = mock_post.call_args_list
assert len(calls) == 1
assert calls[0][0][0] == url
sent_data = json.loads(calls[0][1]['data'])
assert len(sent_data['attachments']) == 1
attachment = sent_data['attachments'][0]
assert attachment['fallback'] == alarm_name
assert attachment['title'] == alarm_name
assert len(attachment['fields']) == 1
_assert_field_contains(field=attachment['fields'][0],
title='Reason',
value=reason)