Support array index access in Alert Management Payload parser
What does this MR do?
Based on and follow up of !46089 (closed)
This MR adds support for array access for Alert Management Payload parser so payloads like AWS CloudWatch
{
"Records": [{
"EventSource": "aws:sns",
"EventVersion": "1.0",
"EventSubscriptionArn": "arn:aws:sns:eu-west-1:000000000000:cloudwatch-alarms:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
"Sns": {
"Type": "Notification",
"MessageId": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
"TopicArn": "arn:aws:sns:eu-west-1:000000000000:cloudwatch-alarms",
"Subject": "ALARM: \"Example alarm name\" in EU - Ireland",
"Message": "{\"AlarmName\":\"Example alarm name\",\"AlarmDescription\":\"Example alarm description.\",\"AWSAccountId\":\"000000000000\",\"NewStateValue\":\"ALARM\",\"NewStateReason\":\"Threshold Crossed: 1 datapoint (10.0) was greater than or equal to the threshold (1.0).\",\"StateChangeTime\":\"2017-01-12T16:30:42.236+0000\",\"Region\":\"EU - Ireland\",\"OldStateValue\":\"OK\",\"Trigger\":{\"MetricName\":\"DeliveryErrors\",\"Namespace\":\"ExampleNamespace\",\"Statistic\":\"SUM\",\"Unit\":null,\"Dimensions\":[],\"Period\":300,\"EvaluationPeriods\":1,\"ComparisonOperator\":\"GreaterThanOrEqualToThreshold\",\"Threshold\":1.0}}",
"Timestamp": "2017-01-12T16:30:42.318Z",
"SignatureVersion": "1",
"Signature": "Cg==",
"SigningCertUrl": "https://sns.eu-west-1.amazonaws.com/SimpleNotificationService-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.pem",
"UnsubscribeUrl": "https://sns.eu-west-1.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:eu-west-1:000000000000:cloudwatch-alarms:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
"MessageAttributes": {}
}
}]
}
can be parsed via
class AWSCloudWatch < Base
attribute :record, paths: %w[Records 0 Sns]
private :record
attribute :message, paths: 'Message', type: :json, via: :record
private :message
attribute :starts_at, paths: 'Timestamp', type: :time, via: :record
attribute :title, paths: 'AlarmName', via: :message
attribute :description, paths: 'AlarmDescription', via: :message
end
parsed = AWSCloudWatch.new(project: project, payload: payload)
parsed.starts_at # => 2017-01-12 16:30:42.318 UTC
Contributes to #262707 (closed).
Does this MR meet the acceptance criteria?
Conformity
- [-] Changelog entry
- [-] Documentation (if required)
-
Code review guidelines -
Merge request performance guidelines -
Style guides - [-] Database guides
- [-] Separation of EE specific content
Availability and Testing
-
Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process. - [-] Tested in all supported browsers
- [-] Informed Infrastructure department of a default or new setting change, if applicable per definition of done
Security
If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:
- [-] Label as security and @ mention
@gitlab-com/gl-security/appsec
- [-] The MR includes necessary changes to maintain consistency between UI, API, email, or other methods
- [-] Security reports checked/validated by a reviewer from the AppSec team
Edited by Peter Leitzen