ponty96/confd-rs

confd-rs

confd-rs is a rust implementation of kelsey hightower's confd. It is a hobby experiment and should not be used in production

About confd

confd is a lightweight configuration management tool focused on:

• keeping local configuration files up-to-date using data stored in etcd, consul, dynamodb, redis, vault, zookeeper, aws ssm parameter store or env vars and processing template resources.
• reloading applications to pick up new config file changes

High Level Architecture - MVP

• Input

** CLI

• get the basic cli data we need
  • scheme
  • url
  • username
  • password
• clap already handles the data format, and help message.
• based on the data, call the

• Integrations - etcd, vault, redis

• connection
• fetch keys

• Main engine - a PubSub system

• every integrator fetches data, and pushes it to the pubsub system or alternatively, the integrators commit their connection to the pub-system for long-polling.

• Env writer subscribes to the pubsub system, and gets the data it needs

• Env Writer

• Logging system

• Watch

• watch for keys update

** Toml or configuration file reader

• can read the toml file
• can enforce/validate expectations

TODO

• Define required fields, associated groups and required groups.