forked from Deuxfleurs/bagage
79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
package main
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import (
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"fmt"
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"os"
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"reflect"
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)
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type Config struct {
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HttpListen string `env:"BAGAGE_HTTP_LISTEN" default:":8080"`
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DavPath string `env:"BAGAGE_WEBDAV_PREFIX" default:"/webdav"`
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LdapServer string `env:"BAGAGE_LDAP_ENDPOINT" default:"127.0.0.1:1389"`
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UserBaseDN string `env:"BAGAGE_LDAP_USER_BASE_DN" default:"ou=users,dc=deuxfleurs,dc=fr"`
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UserNameAttr string `env:"BAGAGE_LDAP_USERNAME_ATTR" default:"cn"`
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Endpoint string `env:"BAGAGE_S3_ENDPOINT" default:"garage.deuxfleurs.fr"`
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UseSSL bool `env:"BAGAGE_S3_SSL" default:"true"`
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S3Cache string `env:"BAGAGE_S3_CACHE" default:"./s3_cache"`
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SSHKey string `env:"BAGAGE_SSH_KEY" default:"id_rsa"`
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}
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func (c *Config) LoadWithDefault() *Config {
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c.iter(func(t reflect.StructField, v reflect.Value) {
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tag := t.Tag.Get("default")
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if tag == "" {
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return
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} else {
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setKey(v, tag)
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}
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})
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return c
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}
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func (c *Config) LoadWithEnv() *Config {
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c.iter(func(t reflect.StructField, v reflect.Value) {
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tag := t.Tag.Get("env")
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if tag == "" {
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return
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} else if val, ok := os.LookupEnv(tag); ok {
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setKey(v, val)
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}
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})
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return c
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}
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func (c *Config) String() (rep string) {
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rep = "Configuration:\n"
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c.iter(func(t reflect.StructField, v reflect.Value) {
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rep += "\t" + t.Name + ": "
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if t.Type.Kind() == reflect.Bool {
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rep += fmt.Sprintf("%v", v.Bool()) + "\n"
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} else {
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rep += "\"" + v.String() + "\"\n"
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}
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})
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return
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}
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func (c *Config) iter(cb func(t reflect.StructField, v reflect.Value)) {
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t := reflect.ValueOf(c).Elem()
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for i := 0; i < t.Type().NumField(); i++ {
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field := t.Field(i)
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typeField := t.Type().Field(i)
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cb(typeField, field)
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}
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}
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func setKey(v reflect.Value, e string) {
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if v.Type().Kind() == reflect.String {
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v.SetString(e)
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} else if v.Type().Kind() == reflect.Bool {
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v.SetBool(e == "true")
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} else {
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panic("Unsupported type")
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}
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}
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