114 lines
2.2 KiB
Go
114 lines
2.2 KiB
Go
package zones
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import (
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"bytes"
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"context"
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"fmt"
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"log"
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"net/netip"
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"os"
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"time"
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"git.jpi.io/amery/jpictl/pkg/wireguard"
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)
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// GetWireguardConfig reads a wgN.conf file
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func (m *Machine) GetWireguardConfig(ring int) (*wireguard.Config, error) {
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data, err := m.ReadFile("wg%v.conf", ring)
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if err != nil {
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return nil, err
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}
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r := bytes.NewReader(data)
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return wireguard.NewConfigFromReader(r)
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}
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func (m *Machine) tryWireguardZeroConfig() error {
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wg, err := m.GetWireguardConfig(0)
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switch {
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case os.IsNotExist(err):
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return nil
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case err != nil:
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return err
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default:
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return m.applyWireguardZeroConfig(wg)
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}
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}
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func (m *Machine) applyWireguardZeroConfig(wg *wireguard.Config) error {
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addr := wg.GetAddress()
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zoneID, nodeID, ok := ParseRingZeroAddress(addr)
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if !ok {
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return fmt.Errorf("%s: invalid %s address: %s", m.Name, "wg1", addr)
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}
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if err := m.applyZoneNodeID(zoneID, nodeID); err != nil {
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return err
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}
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log.Println(m.Name, "wg0", addr, zoneID, nodeID)
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return nil
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}
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func (m *Machine) tryWireguardOneConfig() error {
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wg, err := m.GetWireguardConfig(1)
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switch {
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case os.IsNotExist(err):
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return nil
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case err != nil:
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return err
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default:
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return m.applyWireguardOneConfig(wg)
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}
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}
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func (m *Machine) applyWireguardOneConfig(wg *wireguard.Config) error {
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addr := wg.GetAddress()
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zoneID, nodeID, ok := ParseRingOneAddress(addr)
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if !ok {
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return fmt.Errorf("%s: invalid %s address: %s", m.Name, "wg1", addr)
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}
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if err := m.applyZoneNodeID(zoneID, nodeID); err != nil {
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return err
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}
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log.Println(m.Name, "wg1", addr, zoneID, nodeID)
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return nil
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}
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func (*Machine) applyZoneNodeID(_, _ int) error {
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return nil
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}
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func (m *Machine) lookupNetIP() ([]netip.Addr, error) {
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timeout := 2 * time.Second
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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return m.zone.zones.resolver.LookupNetIP(ctx, "ip", m.FullName())
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}
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func (m *Machine) updatePublicAddresses() error {
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addrs, err := m.lookupNetIP()
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if err != nil {
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return err
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}
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m.PublicAddresses = addrs
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return nil
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}
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func (m *Machine) scan() error {
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if err := m.tryWireguardZeroConfig(); err != nil {
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return err
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}
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if err := m.tryWireguardOneConfig(); err != nil {
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return err
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}
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return m.updatePublicAddresses()
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}
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