helix/internal/config/config.go

package config

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
)

// NewConfig creates a new Config value from a given JSON file.
func NewConfig(file string) (Config, error) {
	var err error

	c := defaultConfig()

	data, err := ioutil.ReadFile(file)
	if err != nil {
		return c, fmt.Errorf("unable to read data from %s...\n%v", file, err)
	}

	if err = json.Unmarshal(data, &c); err != nil {
		return c, fmt.Errorf("unable to decode the JSON configuration from %s...\n%v", file, err)
	}

	// Propagate the domain to the services as appropriate
	c.Services.Gitea.Domain = c.Domain
	c.Services.Traefik.Domain = c.Domain
	c.Services.Gitea.RootUrl = fmt.Sprintf("https://%s/%s", c.Domain, c.Services.Gitea.BaseUri)
	c.Services.Gitea.SshDomain = c.Domain

	// Propagate the shared Group ID to the serivces as appropriate
	c.Services.Traefik.GroupId = c.SharedGroupId
	c.Services.Gitea.GroupId = c.SharedGroupId

	return c, nil
}

func defaultConfig() Config {
	c := Config{
		ProjectName:   "",
		Domain:        "localhost",
		SharedGroupId: 2239,

		Docker: DockerConfig{
			Network: DockerNetworkConfig{
				Name:   "forge-platform-network",
				Subnet: "172.20.0.0/24",
				Driver: "default",
			},
			SharedVolume: DockerSharedVolumeConfig{
				Name:      "forge-platform-shared-volume",
				MountPath: "/forge-platform/shared",
			},
		},

		Services: ServicesConfig{
			Traefik: TraefikConfig{
				CheckNewVersion:    false,
				ContainerIp:        "172.20.0.2",
				LogLevel:           "info",
				SendAnonymousUsage: false,
				Version:            "v2.5.2",
			},
			Gitea: GiteaConfig{
				AppName:                     "Gitea",
				BaseUri:                     "git",
				ContainerIp:                 "172.20.0.3",
				ContainerDataDirectory:      "/forge-platform/data",
				ContainerTemporaryDirectory: "/forge-platform/tmp",
				HostDataDirectory:           "/mnt/forge-platform/gitea",
				HttpPort:                    3000,
				InternalToken:               "",
				LogLevel:                    "info",
				RunMode:                     "prod",
				SecretKey:                   "",
				SshPort:                     2222,
				UserId:                      2000,
				Version:                     "1.50.0",
			},
		},
	}

	return c
}