reveil/config/cli.go
Pierre-Olivier Mercier 2c146f5615
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Use system or default TZ env var
2022-12-24 00:04:01 +01:00

60 lines
1.9 KiB
Go

package config
import (
"flag"
)
// declareFlags registers flags for the structure Options.
func (c *Config) declareFlags() {
flag.Var(&c.ExternalURL, "external-url", "Public URL of the service")
flag.StringVar(&c.BaseURL, "baseurl", c.BaseURL, "URL prepended to each URL")
flag.StringVar(&c.Bind, "bind", c.Bind, "Bind port/socket")
flag.StringVar(&c.DevProxy, "dev", c.DevProxy, "Use ui directory instead of embedded assets")
flag.StringVar(&c.LevelDBPath, "leveldb-path", c.LevelDBPath, "Path to the LevelDB database")
flag.StringVar(&c.SettingsFile, "settings-file", c.SettingsFile, "Path to the file containing the settings")
flag.StringVar(&c.TracksDir, "tracks-dir", c.TracksDir, "Path to the directory containing the tracks")
flag.StringVar(&c.GongsDir, "gongs-dir", c.GongsDir, "Path to the directory containing the gongs")
flag.StringVar(&c.ActionsDir, "actions-dir", c.ActionsDir, "Path to the directory containing the actions")
flag.StringVar(&c.RoutinesDir, "routines-dir", c.RoutinesDir, "Path to the directory containing the routines")
flag.IntVar(&c.SampleRate, "samplerate", c.SampleRate, "Samplerate for unifying output stream")
// Others flags are declared in some other files when they need specials configurations
}
func Consolidated() (cfg *Config, err error) {
// Define defaults options
cfg = &Config{
Bind: "127.0.0.1:8080",
LevelDBPath: "alarms.db",
SettingsFile: "./settings.json",
TracksDir: "./tracks/",
GongsDir: "./gongs/",
ActionsDir: "./actions/",
RoutinesDir: "./routines/",
SampleRate: 44100,
}
cfg.declareFlags()
// Then, overwrite that by what is present in the environment
err = cfg.FromEnv()
if err != nil {
return
}
// Finaly, command line takes precedence
err = cfg.parseCLI()
if err != nil {
return
}
return
}
// parseCLI parse the flags and treats extra args as configuration filename.
func (c *Config) parseCLI() error {
flag.Parse()
return nil
}