kvm/internal/network/config.go

111 lines
3.7 KiB
Go

package network
import (
"fmt"
"net"
"time"
"github.com/guregu/null/v6"
"github.com/jetkvm/kvm/internal/mdns"
"golang.org/x/net/idna"
)
type IPv6Address struct {
Address net.IP `json:"address"`
Prefix net.IPNet `json:"prefix"`
ValidLifetime *time.Time `json:"valid_lifetime"`
PreferredLifetime *time.Time `json:"preferred_lifetime"`
Scope int `json:"scope"`
}
type IPv4StaticConfig struct {
Address null.String `json:"address,omitempty" validate_type:"ipv4" required:"true"`
Netmask null.String `json:"netmask,omitempty" validate_type:"ipv4" required:"true"`
Gateway null.String `json:"gateway,omitempty" validate_type:"ipv4" required:"true"`
DNS []string `json:"dns,omitempty" validate_type:"ipv4" required:"true"`
}
type IPv6StaticConfig struct {
Address null.String `json:"address,omitempty" validate_type:"ipv6" required:"true"`
Prefix null.String `json:"prefix,omitempty" validate_type:"ipv6" required:"true"`
Gateway null.String `json:"gateway,omitempty" validate_type:"ipv6" required:"true"`
DNS []string `json:"dns,omitempty" validate_type:"ipv6" required:"true"`
}
type NetworkConfig struct {
Hostname null.String `json:"hostname,omitempty" validate_type:"hostname"`
Domain null.String `json:"domain,omitempty" validate_type:"hostname"`
IPv4Mode null.String `json:"ipv4_mode,omitempty" one_of:"dhcp,static,disabled" default:"dhcp"`
IPv4Static *IPv4StaticConfig `json:"ipv4_static,omitempty" required_if:"IPv4Mode=static"`
IPv6Mode null.String `json:"ipv6_mode,omitempty" one_of:"slaac,dhcpv6,slaac_and_dhcpv6,static,link_local,disabled" default:"slaac"`
IPv6Static *IPv6StaticConfig `json:"ipv6_static,omitempty" required_if:"IPv6Mode=static"`
LLDPMode null.String `json:"lldp_mode,omitempty" one_of:"disabled,basic,all" default:"basic"`
LLDPTxTLVs []string `json:"lldp_tx_tlvs,omitempty" one_of:"chassis,port,system,vlan" default:"chassis,port,system,vlan"`
MDNSMode null.String `json:"mdns_mode,omitempty" one_of:"disabled,auto,ipv4_only,ipv6_only" default:"auto"`
TimeSyncMode null.String `json:"time_sync_mode,omitempty" one_of:"ntp_only,ntp_and_http,http_only,custom" default:"ntp_and_http"`
TimeSyncOrdering []string `json:"time_sync_ordering,omitempty" one_of:"http,ntp,ntp_dhcp,ntp_user_provided,ntp_fallback" default:"ntp,http"`
TimeSyncDisableFallback null.Bool `json:"time_sync_disable_fallback,omitempty" default:"false"`
TimeSyncParallel null.Int `json:"time_sync_parallel,omitempty" default:"4"`
}
func (c *NetworkConfig) GetMDNSMode() *mdns.MDNSListenOptions {
mode := c.MDNSMode.String
listenOptions := &mdns.MDNSListenOptions{
IPv4: true,
IPv6: true,
}
switch mode {
case "ipv4_only":
listenOptions.IPv6 = false
case "ipv6_only":
listenOptions.IPv4 = false
case "disabled":
listenOptions.IPv4 = false
listenOptions.IPv6 = false
}
return listenOptions
}
func (s *NetworkInterfaceState) GetHostname() string {
hostname := ToValidHostname(s.config.Hostname.String)
if hostname == "" {
return s.defaultHostname
}
return hostname
}
func ToValidDomain(domain string) string {
ascii, err := idna.Lookup.ToASCII(domain)
if err != nil {
return ""
}
return ascii
}
func (s *NetworkInterfaceState) GetDomain() string {
domain := ToValidDomain(s.config.Domain.String)
if domain == "" {
lease := s.dhcpClient.GetLease()
if lease != nil && lease.Domain != "" {
domain = ToValidDomain(lease.Domain)
}
}
if domain == "" {
return "local"
}
return domain
}
func (s *NetworkInterfaceState) GetFQDN() string {
return fmt.Sprintf("%s.%s", s.GetHostname(), s.GetDomain())
}