Description

Registry module:

• maintains the list of running services.
• takes care of pinging the services to check that they're still running.
• use "bouncy" to proxy requests to the right host

Relations

• List of running services is holded in memory.
• List of running services is discovered uing environment variables.

Proxy

Accessible on port 8080 by default.

Registry's API

Accessible on port 8000 by default.

Background job

Registry will:

• check services defined in environment variables matching SERVICE_*_PORT
• request in HTTP their "/about" URI
• expect a JSON body containing

    {
        "type": "users",
        "version": "1.0.0",
        "startDate": "2015-01-23T13:38:48+02:00"
    }

• request to /{service-name}/{version}/... will then be proxied to the appropriate service.

  "/users/v1/login" // proxied to one of the "users" service instances.

API

/registry/v1/services [GET]

parameters

"type" (optional) filter by type (TODO)

response [200] OK

[
    {
        "type": "users",
        "version": "1.0.1",
        "host": "192.168.1.2",
        "port": 8000,
        "pingMs": 12
    },
    {
        "type": "invitations",
        "version": "1.0.3",
        "host": "192.168.1.4",
        "port": 8000,
        "pingMs": 15
    }
]

pingMs is in a value in milliseconds.