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sns-alert-hub
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Add support for ASG Events, fix deep link to AWS UI
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This commit is contained in:
Stefan Reimer 2023-05-16 14:23:43 +00:00
parent 7544e6a30d
commit 0d6ef359f5
2 changed files with 28 additions and 4 deletions
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26
app.py
View File

@ -39,7 +39,8 @@ else:
# Ensure slack URLs use ?blocks=yes
if "slack.com" in WEBHOOK_URL:
scheme, netloc, path, query_string, fragment = urllib.parse.urlsplit(WEBHOOK_URL)
scheme, netloc, path, query_string, fragment = urllib.parse.urlsplit(
WEBHOOK_URL)
query_params = urllib.parse.parse_qs(query_string)
query_params["blocks"] = ["yes"]
new_query_string = urllib.parse.urlencode(query_params, doseq=True)
@ -56,7 +57,8 @@ asset.app_url = "https://zero-downtime.net"
asset.image_url_mask = (
"https://cdn.zero-downtime.net/assets/zdt/apprise/{TYPE}-{XY}{EXTENSION}"
)
asset.app_id = "{} / {} {}".format("cloudbender", __version__, "zero-downtime.net")
asset.app_id = "{} / {} {}".format("cloudbender",
__version__, "zero-downtime.net")
apobj = apprise.Apprise(asset=asset)
apobj.add(WEBHOOK_URL)
@ -142,7 +144,7 @@ def handler(event, context):
title = "AWS EC2 - CloudBender"
try:
msg_context = "{account} - {region} - {host} ({instance}) <https://{region}.console.aws.amazon.com/ec2/autoscaling/home?region={region}#AutoScalingGroups:id={asg};view=history|{artifact} ASG>".format(
msg_context = "{account} - {region} - {host} ({instance}) <https://{region}.console.aws.amazon.com/ec2/home?region={region}#AutoScalingGroupDetails:id={asg};view=activity|{artifact} ASG>".format(
account=get_alias(msg["AWSAccountId"]),
region=msg["Region"],
asg=msg["Asg"],
@ -239,7 +241,23 @@ def handler(event, context):
# New simple ElasticCache notifications
elif "ElastiCache:SnapshotComplete" in msg:
title = "ElastiCache Snapshot complete."
body = "Snapshot taken on {}".format(msg["ElastiCache:SnapshotComplete"])
body = "Snapshot taken on {}".format(
msg["ElastiCache:SnapshotComplete"])
# Basic ASG events
elif "Origin" in msg and msg["Origin"] == "AutoScalingGroup":
title = msg["Description"]
body = msg["Cause"]
try:
msg_context = "{account} - {region} - <https://{region}.console.aws.amazon.com/ec2/home?region={region}#AutoScalingGroupDetails:id={asg};view=activity|{asg} ASG>".format(
region=region,
account=get_alias(msg["AccountId"]),
asg=msg["AutoScalingGroupName"],
)
body = body + "\n\n_{}_".format(msg_context)
except KeyError:
pass
else:
title = "Unknown message type"

6
tests/test_aws-lambda-rie.py
View File

@ -67,3 +67,9 @@ class Test:
r' {"Records": [{"EventSource": "aws:sns", "EventVersion": "1.0", "EventSubscriptionArn": "arn:aws:sns:eu-central-1:123456789012:AlertHub:0e7ce1ba-c3e4-4264-bae1-4eb71c91235a", "Sns": {"Type": "Notification", "MessageId": "10ae86eb-9ddc-5c2f-806c-df6ecb6bde42", "TopicArn": "arn:aws:sns:eu-central-1:123456789012:AlertHub", "Subject": null, "Message": "{\"ElastiCache:SnapshotComplete\":\"redis-prod-0002-001\"}" }}]}'
)
self.send_event(event)
def test_asg(self):
event = json.loads(
r' {"Records": [{"EventSource": "aws:sns", "EventVersion": "1.0", "EventSubscriptionArn": "arn:aws:sns:eu-central-1:123456789012:AlertHub:0e7ce1ba-c3e4-4264-bae1-4eb71c91235a", "Sns": {"Type": "Notification", "MessageId": "10ae86eb-9ddc-5c2f-806c-df6ecb6bde42", "TopicArn": "arn:aws:sns:eu-central-1:123456789012:AlertHub", "Subject": null, "Message": "{\"Origin\":\"AutoScalingGroup\",\"Destination\":\"EC2\",\"Progress\":50,\"AccountId\":\"123456789012\",\"Description\":\"Terminating EC2 instance: i-023ca42b188ffd91d\",\"RequestId\":\"1764cac3-224b-46bf-8bed-407a5b868e63\",\"EndTime\":\"2023-05-15T08:51:16.195Z\",\"AutoScalingGroupARN\":\"arn:aws:autoscaling:us-west-2:123456789012:autoScalingGroup:4a4fb6e3-22b4-487b-8335-3904f02ff9fd:autoScalingGroupName/powerbi\",\"ActivityId\":\"1764cac3-224b-46bf-8bed-407a5b868e63\",\"StartTime\":\"2023-05-15T08:50:14.145Z\",\"Service\":\"AWS Auto Scaling\",\"Time\":\"2023-05-15T08:51:16.195Z\",\"EC2InstanceId\":\"i-023ca42b188ffd91d\",\"StatusCode\":\"InProgress\",\"StatusMessage\":\"\",\"Details\":{\"Subnet ID\":\"subnet-fe2d6189\",\"Availability Zone\":\"us-west-2a\"},\"AutoScalingGroupName\":\"powerbi\",\"Cause\":\"At 2023-05-15T08:50:03Z the scheduled action end executed. Setting min size from 1 to 0. Setting desired capacity from 1 to 0. At 2023-05-15T08:50:03Z a scheduled action update of AutoScalingGroup constraints to min: 0, max: 1, desired: 0 changing the desired capacity from 1 to 0. At 2023-05-15T08:50:13Z an instance was taken out of service in response to a difference between desired and actual capacity, shrinking the capacity from 1 to 0. At 2023-05-15T08:50:14Z instance i-023ca42b188ffd91d was selected for termination.\",\"Event\":\"autoscaling:EC2_INSTANCE_TERMINATE\"}" }}]}'
)
self.send_event(event)