chore: enable full ENV support and remove --sqlite option

Makefile

@@ -111,10 +111,9 @@ gokrazy::
 	go install github.com/gokrazy/tools/cmd/gokr-packer@main
 	mkdir -p flags/github.com/gokrazy/breakglass
 	echo "-forward=private-network" > flags/github.com/gokrazy/breakglass/flags.txt
-	mkdir -p flags/github.com/evcc-io/evcc
-	echo "--sqlite=/perm/evcc.db" > flags/github.com/evcc-io/evcc/flags.txt
 	mkdir -p env/github.com/evcc-io/evcc
 	echo "EVCC_NETWORK_PORT=80" > env/github.com/evcc-io/evcc/env.txt
+	echo "EVCC_DATABASE_DSN=/perm/evcc.db" >> env/github.com/evcc-io/evcc/env.txt
 	mkdir -p buildflags/github.com/evcc-io/evcc
 	echo "$(BUILD_TAGS),gokrazy" > buildflags/github.com/evcc-io/evcc/buildflags.txt
 	echo "-ldflags=$(LD_FLAGS)" >> buildflags/github.com/evcc-io/evcc/buildflags.txt

cmd/flags.go

@@ -8,9 +8,6 @@ import (
 )
 
 const (
-	flagSqlite            = "sqlite"
-	flagSqliteDescription = "SQlite database file"
-
 	flagHeaders            = "log-headers"
 	flagHeadersDescription = "Log headers"
 

cmd/root.go

@@ -57,9 +57,6 @@ func init() {
 	rootCmd.PersistentFlags().Bool(flagHeaders, false, flagHeadersDescription)
 
 	// config file options
-	rootCmd.PersistentFlags().String(flagSqlite, conf.Database.Dsn, flagSqliteDescription)
-	bindP(rootCmd, "database.dsn", flagSqlite)
-
 	rootCmd.PersistentFlags().StringP("log", "l", "info", "Log level (fatal, error, warn, info, debug, trace)")
 	bindP(rootCmd, "log")
 
@@ -89,6 +86,7 @@ func initConfig() {
 	}
 
 	viper.SetEnvPrefix("evcc")
+	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
 	viper.AutomaticEnv() // read in environment variables that match
 
 	// print version

cmd/setup.go

@@ -83,10 +83,6 @@ func configureEnvironment(cmd *cobra.Command, conf config) (err error) {
 
 	// setup persistence
 	if err == nil && conf.Database.Dsn != "" {
-		if flag := cmd.Flags().Lookup(flagSqlite); flag != nil && flag.Changed {
-			conf.Database.Type = "sqlite"
-			conf.Database.Dsn = flag.Value.String()
-		}
 		err = configureDatabase(conf.Database)
 	}
 

docker/bin/entrypoint.sh

@@ -7,16 +7,16 @@ HASSIO_OPTIONSFILE=/data/options.json
 if [ -f ${HASSIO_OPTIONSFILE} ]; then
     CONFIG=$(grep -o '"config_file": "[^"]*' ${HASSIO_OPTIONSFILE} | grep -o '[^"]*$')
     echo "Using config file: ${CONFIG}"
-
+    
     SQLITE_FILE=$(grep -o '"sqlite_file": "[^"]*' ${HASSIO_OPTIONSFILE} | grep -o '[^"]*$')
-
+    
     if [ ! -f "${CONFIG}" ]; then
         echo "Config not found. Please create a config under ${CONFIG}."
         echo "For details see evcc documentation at https://github.com/evcc-io/evcc#readme."
     else
         if [ "${SQLITE_FILE}" ]; then
-            echo "starting evcc: 'evcc --config ${CONFIG} --sqlite ${SQLITE_FILE}'"
-            exec evcc --config "${CONFIG}" --sqlite "${SQLITE_FILE}"
+            echo "starting evcc: 'EVCC_DATABASE_DSN=${SQLITE_FILE} evcc --config ${CONFIG}'"
+            exec EVCC_DATABASE_DSN="${SQLITE_FILE}" evcc --config "${CONFIG}"
         else
             echo "starting evcc: 'evcc --config ${CONFIG}'"
             exec evcc --config "${CONFIG}"

packaging/init/evcc.service

@@ -10,7 +10,7 @@ StartLimitIntervalSec=10
 StartLimitBurst=10
 
 [Service]
-ExecStart=/usr/bin/evcc --sqlite /var/lib/evcc/evcc.db
+ExecStart=EVCC_DATABASE_DSN=/var/lib/evcc/evcc.db /usr/bin/evcc
 Restart=always
 RestartSec=10