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Orphaned No More: Adopting AWS Lambda

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Background HumanGov is a Model Automated Multi-Tenant Architecture (MAMA) that is meant to be used by the 50 states for personnel tracking. Currently the architecture is fully automated on AWS. The architecture is not ready for go-live. All actions so far are for a proof-of-concept that is presented to the Chief Technical Officer (CTO) for review. During the weekly team meeting, Ko (User Experience Lead) reports that his team has performed thousands of tests against the infrastructure, with moves, adds, and changes, and is not finding any issues in the application user interface. Woo (Infrastructure Lead) reports that there are hundreds of 'orphaned' files in the S3 bucket. (These files are considered 'orphaned' because they do not have corresponding records in the DynamoDB table.) Kim (Tech Lead) reports that there is not a trigger to delete the file from the bucket when a user is deleted from the DynamoDB database. Brady (Lawyer) reports that not deleting t...
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Canary in the Cloud: Amazon CloudWatch Synthetics

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Background HumanGov is a Model Automated Multi-Tenant Architecture (MAMA) that is meant to be used by the 50 states for personnel tracking. Currently the architecture is fully automated on AWS. The architecture is not ready for go-live. All actions so far are for a proof-of-concept that is presented to the Chief Technical Officer (CTO) for review. During the weekly team meeting, Woo (Tech Lead) reports that the applications have had several issues and none of the technical staff was aware of the problem. Ko (Operations Lead) reports that notification about issues comes from the end users and not from the infrastructure. Kim (Lead Developer) reports that the team wants to receive any notifications about application issues via their Slack channel. You first get the team to agree on the set of problems (and root cause): Problem 1: Developers unaware of application issues. (Applications are not monitored.) Problem 2: Notification of issues comes from the end user. (Application...
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