Add a static entry for the hostname to the slirp IP

This is done automatically by systemd-resolved, in which case this
change is ignored, but on e.g. Alpine this is required to connect
to the VM using its own hostname.

Signed-off-by: Jan Dubois <jan.dubois@suse.com>

Author: jandubois

pkg/hostagent/hostagent.go

@@ -41,6 +41,7 @@ type HostAgent struct {
 	udpDNSLocalPort int
 	tcpDNSLocalPort int
 	instDir         string
+	instName        string
 	sshConfig       *ssh.SSHConfig
 	portForwarder   *portForwarder
 	onClose         []func() error // LIFO
@@ -146,6 +147,7 @@ func New(instName string, stdout io.Writer, sigintCh chan os.Signal, opts ...Opt
 		udpDNSLocalPort: udpDNSLocalPort,
 		tcpDNSLocalPort: tcpDNSLocalPort,
 		instDir:         inst.Dir,
+		instName:        instName,
 		sshConfig:       sshConfig,
 		portForwarder:   newPortForwarder(sshConfig, sshLocalPort, rules),
 		qExe:            qExe,
@@ -252,6 +254,7 @@ func (a *HostAgent) Run(ctx context.Context) error {
 	if *a.y.HostResolver.Enabled {
 		hosts := a.y.HostResolver.Hosts
 		hosts["host.lima.internal."] = qemuconst.SlirpGateway
+		hosts[fmt.Sprintf("lima-%s.", a.instName)] = qemuconst.SlirpIPAddress
 		dnsServer, err := dns.Start(a.udpDNSLocalPort, a.tcpDNSLocalPort, *a.y.HostResolver.IPv6, hosts)
 		if err != nil {
 			return fmt.Errorf("cannot start DNS server: %w", err)