LapisDeploy/config.go

// package main is the main package for the LapisDeploy program
package main

import (
	"os"
	"encoding/json"
	"log"
)

// Configuration stores information retrieved from a configuration file
type Configuration struct {
	port int
	sites_dir string
	matrix struct {
		homeserver string
		username string
		password string
		room_id string
	}
}

// parseConfig parses the JSON configuration file at 'path' and stores the contents in 'config'
func parseConfig(path string, config *Configuration) {
	file, _ := os.Open(path)
	var data map[string]interface{}
	err := json.NewDecoder(file).Decode(&data)
	if err != nil {
		log.Panic("Failed to parse config:", err)
	}
	file.Close()
	// Main configuration
	config.port = int(data["port"].(float64)) // this conversion makes no sense
	config.sites_dir = data["sites_dir"].(string)

	// Matrix configuration
	matrix := data["matrix"].(map[string]interface{})
	config.matrix.homeserver = matrix["homeserver"].(string)
	config.matrix.username = matrix["username"].(string)
	config.matrix.password = matrix["password"].(string)
	config.matrix.room_id = matrix["room_id"].(string)
}