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CloudWatch Alarms for Observability #12

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CloudWatch Alarms for Observability #12

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091d778
add CloudWatch alarms & update to Python 3
Dec 3, 2019
87fe7a8
add CloudWatch alarms & update to Python 3
Dec 3, 2019
762e02a
add CloudWatch alarms & update to Python 3
Dec 3, 2019
9dc2e89
add CloudWatch alarms & update to Python 3
Dec 3, 2019
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3 changes: 2 additions & 1 deletion splunk-aws-automation/lambda_code/config_snapshot_logger_v0.2/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -127,7 +127,8 @@ const configureLogger = (context, callback) => {

// Set common error handler for logger.send() and logger.flush()
logger.error = (error, payload) => {
console.log('error', error, 'context', payload);
// console.log('error', error, 'context', payload);
console.log('SplunkHECError', error, 'URL', loggerConfig.url, 'Token', loggerConfig.token, 'context', payload);
callback(error);
};
};
5 changes: 3 additions & 2 deletions splunk-aws-automation/lambda_code/splunk_cwe_firehose_processor_v0.2/lambda_function.py
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Expand Up @@ -48,7 +48,8 @@
import base64
import json
import gzip
import StringIO
import io
from io import StringIO
import boto3


Expand Down Expand Up @@ -86,7 +87,7 @@ def processRecords(records):
return_event['sourcetype'] = st
return_event['event'] = data['detail']

data = base64.b64encode(json.dumps(return_event))
data = base64.b64encode(json.dumps(return_event).encode('utf-8')).decode('utf-8')
yield {
'data': data,
'result': 'Ok',
Expand Down
130 changes: 130 additions & 0 deletions splunk-aws-automation/trumpet_full_v0.2.json
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Expand Up @@ -1560,6 +1560,136 @@
]
}
}
},
"SplunkConfigNotificationDeliveryCloudWatchAlarm": {
"Type": "AWS::CloudWatch::Alarm",
"Properties": {
"AlarmName": "splunk-config-notification-delivery-fail",
"AlarmDescription": "Config notification failing to deliver to Splunk",
"Namespace": "AWS/Firehose",
"MetricName": "DeliveryToSplunk.Success",
"Dimensions": [
{
"Name": "DeliveryStreamName",
"Value": "splunk-confignotify-cwe-monitoring"
}
],
"Statistic": "Average",
"Period": 3600,
"EvaluationPeriods": 1,
"Threshold": 1,
"ComparisonOperator": "LessThanThreshold",
"TreatMissingData": "notBreaching",
"AlarmActions": [
{
"Fn::Sub": "arn:aws:sns:${AWS::Region}:${AWS::AccountId}:splunk-cloudwatch-alarms"
}
]
}
},
"SplunkConfigSnapshotDeliveryCloudWatchAlarm": {
"Type": "AWS::CloudWatch::Alarm",
"Properties": {
"AlarmName": "splunk-config-snapshot-delivery-fail",
"AlarmDescription": "Config snapshot failing to deliver to Splunk",
"Namespace": "SplunkHECStream",
"MetricName": "DepliveryError",
"Statistic": "Average",
"Period": 900,
"EvaluationPeriods": 1,
"Threshold": 5,
"ComparisonOperator": "GreaterThanOrEqualToThreshold",
"TreatMissingData": "notBreaching",
"AlarmActions": [
{
"Fn::Sub": "arn:aws:sns:${AWS::Region}:${AWS::AccountId}:splunk-cloudwatch-alarms"
}
]
}
},
"ConfigSnapshotStreamStatusFilter": {
"Type": "AWS::Logs::MetricFilter",
"Properties": {
"LogGroupName": {
"Fn::Join": [
"/",
[
"/aws/lambda",
{
"Ref": "BackingLambdaConfigLogProcessor"
}
]
]
},
"FilterPattern": "SplunkHECError",
"MetricTransformations": [
{
"MetricValue": "1",
"MetricNamespace": "SplunkHECStream",
"MetricName": "DepliveryError"
}
]
}
},
"SplunkCWAlarmTopic": {
"Type": "AWS::SNS::Topic",
"Properties": {
"TopicName": "splunk-cloudwatch-alarms"
}
},
"SplunkCWAlarmTopicPolicy": {
"Type": "AWS::SNS::TopicPolicy",
"Properties": {
"Topics": [
{
"Ref": "SplunkCWAlarmTopic"
}
],
"PolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Sid": "__default_statement_ID",
"Effect": "Allow",
"Principal": {
"AWS": "*"
},
"Action": [
"SNS:GetTopicAttributes",
"SNS:SetTopicAttributes",
"SNS:AddPermission",
"SNS:RemovePermission",
"SNS:DeleteTopic",
"SNS:Subscribe",
"SNS:ListSubscriptionsByTopic",
"SNS:Publish",
"SNS:Receive"
],
"Resource": {
"Ref": "SplunkCWAlarmTopic"
},
"Condition": {
"StringEquals": {
"AWS:SourceOwner": {
"Fn::Sub": "${AWS::AccountId}"
}
}
}
},
{
"Sid": "AllowCloudWatchEvents",
"Effect": "Allow",
"Principal": {
"Service": "events.amazonaws.com"
},
"Action": "sns:Publish",
"Resource": {
"Ref": "SplunkCWAlarmTopic"
}
}
]
}
}
}
}
}