ddns/shared/config.go

55 lines
1.4 KiB
Go

package shared
import (
"flag"
"log"
"strings"
)
type Config struct {
Verbose bool
Domain string
SOAFqdn string
HostExpirationDays int
ListenFrontend string
ListenBackend string
RedisHost string
}
func (c *Config) Initialize() {
flag.StringVar(&c.Domain, "domain", "",
"The subdomain which should be handled by DDNS")
flag.StringVar(&c.SOAFqdn, "soa_fqdn", "",
"The FQDN of the DNS server which is returned as a SOA record")
flag.StringVar(&c.ListenBackend, "listen-backend", ":8053",
"Which socket should the backend web service use to bind itself")
flag.StringVar(&c.ListenFrontend, "listen-frontend", ":8080",
"Which socket should the frontend web service use to bind itself")
flag.StringVar(&c.RedisHost, "redis", ":6379",
"The Redis socket that should be used")
flag.IntVar(&c.HostExpirationDays, "expiration-days", 10,
"The number of days after a host is released when it is not updated")
flag.BoolVar(&c.Verbose, "verbose", false,
"Be more verbose")
}
func (c *Config) Validate() {
flag.Parse()
if c.Domain == "" {
log.Fatal("You have to supply the domain via --domain=DOMAIN")
} else if !strings.HasPrefix(c.Domain, ".") {
// get the domain in the right format
c.Domain = "." + c.Domain
}
if c.SOAFqdn == "" {
log.Fatal("You have to supply the server FQDN via --soa_fqdn=FQDN")
}
}