renskiy / ugly-scheduler

ugly-scheduler

Ugly-scheduler is just a simple schedule service. It uses Twirp-based API which provides benefits from Google's protobuf (code generation) and REST JSON API (simple request construction).

Requirements

• Go 1.13
• PostgreSQL 9.5 or greater

Configuration

Service configured using command-line options and environment variables.

Command-line options

• --addr, addr:port to run service on (default: :8001)

Environment variables

• DB_HOST, DB host (default: localhost)
• DB_PORT, DB port (default: 5432)
• DB_NAME, DB name (default: ugly-scheduler)
• DB_USER, DB user (default: postgres)
• DB_PASSWORD, DB password (default not set)

Environment setup

1. clone this repository to $GOPATH/src/github.com/renskiy directory
2. install or update protoc-gen-go package

Requirements

go mod download

Database

createdb ugly-scheduler

Applying migrations

go get -u github.com/rubenv/sql-migrate/...
go run ./cmd/sql-migrate-config | sql-migrate up -config /dev/stdin -env default

Tests

Create special DB for tests, set DB_NAME_TEST* env var and run following command:

go test -v -count 1 -p 1 ./...

* default value for DB_NAME_TEST is ugly-scheduler-test

Run

go run ./cmd/server --addr :8001
go run ./cmd/server --addr :8002

Making requests

With default settings one can do requests like following:

curl -X POST "http://localhost:8001/twirp/scheduler.Scheduler/Schedule" -H "accept: application/json" -H "Content-Type: application/json" -d "{ \"delay\": \"1\", \"message\": \"Hello world\"}"