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package client
import (
"os"
"github.com/mitchellh/go-homedir"
"github.com/spf13/pflag"
"github.com/spf13/viper"
)
// Config holds the client configuration.
type Config struct {
CA string `mapstructure:"ca"`
Keytype string `mapstructure:"key_type"`
Keysize int `mapstructure:"key_size"`
Validity string `mapstructure:"validity"`
ValidateTLSCertificate bool `mapstructure:"validate_tls_certificate"`
PublicFilePrefix string `mapstructure:"key_file_prefix"`
}
func setDefaults() {
viper.BindPFlag("ca", pflag.Lookup("ca"))
viper.BindPFlag("key_type", pflag.Lookup("key_type"))
viper.BindPFlag("key_size", pflag.Lookup("key_size"))
viper.BindPFlag("validity", pflag.Lookup("validity"))
viper.BindPFlag("key_file_prefix", pflag.Lookup("key_file_prefix"))
viper.SetDefault("validateTLSCertificate", true)
}
// ReadConfig reads the client configuration from a file into a Config struct.
func ReadConfig(path string) (*Config, error) {
setDefaults()
if _, err := os.Stat(path); err == nil {
viper.SetConfigFile(path)
viper.SetConfigType("hcl")
if err := viper.ReadInConfig(); err != nil {
return nil, err
}
}
c := &Config{}
if err := viper.Unmarshal(c); err != nil {
return nil, err
}
p, err := homedir.Expand(c.PublicFilePrefix)
if err != nil {
return nil, err
}
c.PublicFilePrefix = p
return c, nil
}
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