Restore dns on unclean shutdown (#1494)

This commit is contained in:
Viktor Liu
2024-01-30 09:58:56 +01:00
committed by GitHub
parent 9c56f74235
commit 846d486366
29 changed files with 660 additions and 143 deletions
+17 -6
View File
@@ -2,6 +2,7 @@ package dns
import (
"fmt"
"net/netip"
"strings"
nbdns "github.com/netbirdio/netbird/dns"
@@ -11,6 +12,7 @@ type hostManager interface {
applyDNSConfig(config HostDNSConfig) error
restoreHostDNS() error
supportCustomPort() bool
restoreUncleanShutdownDNS(storedDNSAddress *netip.Addr) error
}
type HostDNSConfig struct {
@@ -27,9 +29,10 @@ type DomainConfig struct {
}
type mockHostConfigurator struct {
applyDNSConfigFunc func(config HostDNSConfig) error
restoreHostDNSFunc func() error
supportCustomPortFunc func() bool
applyDNSConfigFunc func(config HostDNSConfig) error
restoreHostDNSFunc func() error
supportCustomPortFunc func() bool
restoreUncleanShutdownDNSFunc func(*netip.Addr) error
}
func (m *mockHostConfigurator) applyDNSConfig(config HostDNSConfig) error {
@@ -53,11 +56,19 @@ func (m *mockHostConfigurator) supportCustomPort() bool {
return false
}
func (m *mockHostConfigurator) restoreUncleanShutdownDNS(storedDNSAddress *netip.Addr) error {
if m.restoreUncleanShutdownDNSFunc != nil {
return m.restoreUncleanShutdownDNSFunc(storedDNSAddress)
}
return fmt.Errorf("method restoreUncleanShutdownDNS is not implemented")
}
func newNoopHostMocker() hostManager {
return &mockHostConfigurator{
applyDNSConfigFunc: func(config HostDNSConfig) error { return nil },
restoreHostDNSFunc: func() error { return nil },
supportCustomPortFunc: func() bool { return true },
applyDNSConfigFunc: func(config HostDNSConfig) error { return nil },
restoreHostDNSFunc: func() error { return nil },
supportCustomPortFunc: func() bool { return true },
restoreUncleanShutdownDNSFunc: func(*netip.Addr) error { return nil },
}
}