45 lines
936 B
Go
45 lines
936 B
Go
package config
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import (
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"flag"
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)
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// declareFlags registers flags for the structure Options.
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func (c *Config) declareFlags() {
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flag.Var(&c.ExternalURL, "external-url", "Public URL of the service")
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flag.StringVar(&c.BaseURL, "baseurl", c.BaseURL, "URL prepended to each URL")
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flag.StringVar(&c.Bind, "bind", c.Bind, "Bind port/socket")
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// Others flags are declared in some other files when they need specials configurations
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}
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func Consolidated() (cfg *Config, err error) {
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// Define defaults options
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cfg = &Config{
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Bind: "127.0.0.1:8080",
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}
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cfg.declareFlags()
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// Then, overwrite that by what is present in the environment
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err = cfg.FromEnv()
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if err != nil {
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return
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}
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// Finaly, command line takes precedence
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err = cfg.parseCLI()
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if err != nil {
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return
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}
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return
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}
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// parseCLI parse the flags and treats extra args as configuration filename.
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func (c *Config) parseCLI() error {
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flag.Parse()
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return nil
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}
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