guardian / price-migration-engine

An orchestration engine for the migration of subscription prices.

Price Migration Engine

The price migration engine is an orchestration engine used to perform controlled price migrations. It currently consists in a collection of lambdas designed to work together as a state machine.

General Introduction to price migrations and the engine:

• An introduction to the general principles of price migrations
• The journey of a cohort item
• Coding conventions
• Notification windows
• The art of computing start dates
• The art of the cap; or how to gracefully cap prices in the engine

Operations:

• Set up a new cohort of subscriptions for price rise.
• The migration implementation manual
• Downloading fixtures

Further documentations:

• State machine.
• Lambdas.
• Data stores.

For production troubleshooting, see the troubleshooting document