FSMHUB

Finite State Machine storage hub

Install

pip install fsmhub

Start service

uvicorn fsmhub:app

Start service with postgres

FSMHUB_DB_URL=postgres://postgres:xxx@postgres.your-host uvicorn fsmhub:app

docker

docker run -p 1024:80 lwzm/fsmhub

Use it

3 HTTP APIs:

• POST /new/<STATE>, optional json payload for init custom data
• POST /lock/<STATE>
• POST /transit/<ID>/<NEW-STATE>, optional json payload for patch custom data
• GET /list/locked
• GET /list/<STATE>
• GET /<ID>

Examples

$ http post :1024/new/a
HTTP/1.1 201 Created
Connection: Keep-Alive
content-length: 0
content-type: application/json; charset=UTF-8



$ http post :1024/lock/a
HTTP/1.1 200 OK
Connection: Keep-Alive
content-length: 71
content-type: application/json; charset=UTF-8

{
    "data": {},
    "id": 1,
    "state": "a",
    "ts": "2019-09-23 10:38:44.234700"
}


$ http post :1024/transit/1/b
HTTP/1.1 204 No Content
Connection: Keep-Alive
content-length: 0
content-type: application/json; charset=UTF-8

TODOS

• postgres/sqlite trigger for log changes
• long polling
• docs