Mikescher/SimpleCloudNotifier
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SimpleCloudNotifier/server/config.go

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package server
import (
"fmt"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"gogs.mikescher.com/BlackForestBytes/goext/confext"
"os"
"time"
)
type Config struct {
Namespace string
BaseURL string `env:"SCN_URL"`
GinDebug bool `env:"SCN_GINDEBUG"`
LogLevel zerolog.Level `env:"SCN_LOGLEVEL"`
ServerIP string `env:"SCN_IP"`
ServerPort string `env:"SCN_PORT"`
DBFile string `env:"SCN_DB_FILE"`
DBJournal string `env:"SCN_DB_JOURNAL"`
DBTimeout time.Duration `env:"SCN_DB_TIMEOUT"`
DBMaxOpenConns int `env:"SCN_DB_MAXOPENCONNECTIONS"`
DBMaxIdleConns int `env:"SCN_DB_MAXIDLECONNECTIONS"`
DBConnMaxLifetime time.Duration `env:"SCN_DB_CONNEXTIONMAXLIFETIME"`
DBConnMaxIdleTime time.Duration `env:"SCN_DB_CONNEXTIONMAXIDLETIME"`
DBCheckForeignKeys bool `env:"SCN_DB_CHECKFOREIGNKEYS"`
DBSingleConn bool `env:"SCN_DB_SINGLECONNECTION"`
RequestTimeout time.Duration `env:"SCN_REQUEST_TIMEOUT"`
RequestMaxRetry int `env:"SCN_REQUEST_MAXRETRY"`
RequestRetrySleep time.Duration `env:"SCN_REQUEST_RETRYSLEEP"`
ReturnRawErrors bool `env:"SCN_ERROR_RETURN"`
DummyFirebase bool `env:"SCN_DUMMY_FB"`
DummyGoogleAPI bool `env:"SCN_DUMMY_GOOG"`
FirebaseTokenURI string `env:"SCN_FB_TOKENURI"`
FirebaseProjectID string `env:"SCN_FB_PROJECTID"`
FirebasePrivKeyID string `env:"SCN_FB_PRIVATEKEYID"`
FirebaseClientMail string `env:"SCN_FB_CLIENTEMAIL"`
FirebasePrivateKey string `env:"SCN_FB_PRIVATEKEY"`
GoogleAPITokenURI string `env:"SCN_GOOG_TOKENURI"`
GoogleAPIPrivKeyID string `env:"SCN_GOOG_PRIVATEKEYID"`
GoogleAPIClientMail string `env:"SCN_GOOG_CLIENTEMAIL"`
GoogleAPIPrivateKey string `env:"SCN_GOOG_PRIVATEKEY"`
GooglePackageName string `env:"SCN_GOOG_PACKAGENAME"`
GoogleProProductID string `env:"SCN_GOOG_PROPRODUCTID"`
Cors bool `env:"SCN_CORS"`
}
var Conf Config
var configLocHost = func() Config {
return Config{
Namespace: "local-host",
BaseURL: "http://localhost:8080",
GinDebug: true,
LogLevel: zerolog.DebugLevel,
ServerIP: "0.0.0.0",
ServerPort: "8080",
DBFile: ".run-data/db.sqlite3",
DBJournal: "WAL",
DBTimeout: 5 * time.Second,
DBCheckForeignKeys: false,
DBSingleConn: false,
DBMaxOpenConns: 5,
DBMaxIdleConns: 5,
DBConnMaxLifetime: 60 * time.Minute,
DBConnMaxIdleTime: 60 * time.Minute,
RequestTimeout: 16 * time.Second,
RequestMaxRetry: 8,
RequestRetrySleep: 100 * time.Millisecond,
ReturnRawErrors: true,
DummyFirebase: true,
FirebaseTokenURI: "",
FirebaseProjectID: "",
FirebasePrivKeyID: "",
FirebaseClientMail: "",
FirebasePrivateKey: "",
DummyGoogleAPI: true,
GoogleAPITokenURI: "",
GoogleAPIPrivKeyID: "",
GoogleAPIClientMail: "",
GoogleAPIPrivateKey: "",
GooglePackageName: "",
GoogleProProductID: "",
Cors: true,
}
}
var configLocDocker = func() Config {
return Config{
Namespace: "local-docker",
BaseURL: "http://localhost:8080",
GinDebug: true,
LogLevel: zerolog.DebugLevel,
ServerIP: "0.0.0.0",
ServerPort: "80",
DBFile: "/data/scn_docker.sqlite3",
DBJournal: "WAL",
DBTimeout: 5 * time.Second,
DBCheckForeignKeys: false,
DBSingleConn: false,
DBMaxOpenConns: 5,
DBMaxIdleConns: 5,
DBConnMaxLifetime: 60 * time.Minute,
DBConnMaxIdleTime: 60 * time.Minute,
RequestTimeout: 16 * time.Second,
RequestMaxRetry: 8,
RequestRetrySleep: 100 * time.Millisecond,
ReturnRawErrors: true,
DummyFirebase: true,
FirebaseTokenURI: "",
FirebaseProjectID: "",
FirebasePrivKeyID: "",
FirebaseClientMail: "",
FirebasePrivateKey: "",
DummyGoogleAPI: true,
GoogleAPITokenURI: "",
GoogleAPIPrivKeyID: "",
GoogleAPIClientMail: "",
GoogleAPIPrivateKey: "",
GooglePackageName: "",
GoogleProProductID: "",
Cors: true,
}
}
var configDev = func() Config {
return Config{
Namespace: "develop",
BaseURL: confEnv("SCN_URL"),
GinDebug: true,
LogLevel: zerolog.DebugLevel,
ServerIP: "0.0.0.0",
ServerPort: "80",
DBFile: "/data/scn.sqlite3",
DBJournal: "WAL",
DBTimeout: 5 * time.Second,
DBCheckForeignKeys: false,
DBSingleConn: false,
DBMaxOpenConns: 5,
DBMaxIdleConns: 5,
DBConnMaxLifetime: 60 * time.Minute,
DBConnMaxIdleTime: 60 * time.Minute,
RequestTimeout: 16 * time.Second,
RequestMaxRetry: 8,
RequestRetrySleep: 100 * time.Millisecond,
ReturnRawErrors: true,
DummyFirebase: false,
FirebaseTokenURI: "https://oauth2.googleapis.com/token",
FirebaseProjectID: confEnv("SCN_FB_PROJECTID"),
FirebasePrivKeyID: confEnv("SCN_FB_PRIVATEKEYID"),
FirebaseClientMail: confEnv("SCN_FB_CLIENTEMAIL"),
FirebasePrivateKey: confEnv("SCN_FB_PRIVATEKEY"),
DummyGoogleAPI: false,
GoogleAPITokenURI: "https://oauth2.googleapis.com/token",
GoogleAPIPrivKeyID: confEnv("SCN_GOOG_PRIVATEKEYID"),
GoogleAPIClientMail: confEnv("SCN_GOOG_CLIENTEMAIL"),
GoogleAPIPrivateKey: confEnv("SCN_GOOG_PRIVATEKEY"),
GooglePackageName: confEnv("SCN_GOOG_PACKAGENAME"),
GoogleProProductID: confEnv("SCN_GOOG_PROPRODUCTID"),
Cors: true,
}
}
var configStag = func() Config {
return Config{
Namespace: "staging",
BaseURL: confEnv("SCN_URL"),
GinDebug: true,
LogLevel: zerolog.DebugLevel,
ServerIP: "0.0.0.0",
ServerPort: "80",
DBFile: "/data/scn.sqlite3",
DBJournal: "WAL",
DBTimeout: 5 * time.Second,
DBCheckForeignKeys: false,
DBSingleConn: false,
DBMaxOpenConns: 5,
DBMaxIdleConns: 5,
DBConnMaxLifetime: 60 * time.Minute,
DBConnMaxIdleTime: 60 * time.Minute,
RequestTimeout: 16 * time.Second,
RequestMaxRetry: 8,
RequestRetrySleep: 100 * time.Millisecond,
ReturnRawErrors: true,
DummyFirebase: false,
FirebaseTokenURI: "https://oauth2.googleapis.com/token",
FirebaseProjectID: confEnv("SCN_FB_PROJECTID"),
FirebasePrivKeyID: confEnv("SCN_FB_PRIVATEKEYID"),
FirebaseClientMail: confEnv("SCN_FB_CLIENTEMAIL"),
FirebasePrivateKey: confEnv("SCN_FB_PRIVATEKEY"),
DummyGoogleAPI: false,
GoogleAPITokenURI: "https://oauth2.googleapis.com/token",
GoogleAPIPrivKeyID: confEnv("SCN_GOOG_PRIVATEKEYID"),
GoogleAPIClientMail: confEnv("SCN_GOOG_CLIENTEMAIL"),
GoogleAPIPrivateKey: confEnv("SCN_GOOG_PRIVATEKEY"),
GooglePackageName: confEnv("SCN_GOOG_PACKAGENAME"),
GoogleProProductID: confEnv("SCN_GOOG_PROPRODUCTID"),
Cors: true,
}
}
var configProd = func() Config {
return Config{
Namespace: "production",
BaseURL: confEnv("SCN_URL"),
GinDebug: false,
LogLevel: zerolog.InfoLevel,
ServerIP: "0.0.0.0",
ServerPort: "80",
DBFile: "/data/scn.sqlite3",
DBJournal: "WAL",
DBTimeout: 5 * time.Second,
DBCheckForeignKeys: false,
DBSingleConn: false,
DBMaxOpenConns: 5,
DBMaxIdleConns: 5,
DBConnMaxLifetime: 60 * time.Minute,
DBConnMaxIdleTime: 60 * time.Minute,
RequestTimeout: 16 * time.Second,
RequestMaxRetry: 8,
RequestRetrySleep: 100 * time.Millisecond,
ReturnRawErrors: false,
DummyFirebase: false,
FirebaseTokenURI: "https://oauth2.googleapis.com/token",
FirebaseProjectID: confEnv("SCN_SCN_FB_PROJECTID"),
FirebasePrivKeyID: confEnv("SCN_SCN_FB_PRIVATEKEYID"),
FirebaseClientMail: confEnv("SCN_SCN_FB_CLIENTEMAIL"),
FirebasePrivateKey: confEnv("SCN_SCN_FB_PRIVATEKEY"),
DummyGoogleAPI: false,
GoogleAPITokenURI: "https://oauth2.googleapis.com/token",
GoogleAPIPrivKeyID: confEnv("SCN_SCN_GOOG_PRIVATEKEYID"),
GoogleAPIClientMail: confEnv("SCN_SCN_GOOG_CLIENTEMAIL"),
GoogleAPIPrivateKey: confEnv("SCN_SCN_GOOG_PRIVATEKEY"),
GooglePackageName: confEnv("SCN_SCN_GOOG_PACKAGENAME"),
GoogleProProductID: confEnv("SCN_SCN_GOOG_PROPRODUCTID"),
Cors: true,
}
}
var allConfig = map[string]func() Config{
"local-host": configLocHost,
"local-docker": configLocDocker,
"develop": configDev,
"staging": configStag,
"production": configProd,
}
func getConfig(ns string) (Config, bool) {
if ns == "" {
ns = "local-host"
}
if cfn, ok := allConfig[ns]; ok {
c := cfn()
err := confext.ApplyEnvOverrides(&c)
if err != nil {
panic(err)
}
return c, true
}
return Config{}, false
}
func confEnv(key string) string {
if v, ok := os.LookupEnv(key); ok {
return v
} else {
log.Fatal().Msg(fmt.Sprintf("Missing required environment variable '%s'", key))
return ""
}
}
func init() {
ns := os.Getenv("SCN_NAMESPACE")
cfg, ok := getConfig(ns)
if !ok {
log.Fatal().Str("ns", ns).Msg("Unknown config-namespace")
}
Conf = cfg
}
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