fix: rename IdentityFile to SSHKeyFile

internal/cli/cli.go

@@ -92,7 +92,7 @@ func (cli *CLI) ConnectCluster(ctx context.Context, clusterName string) (*client
 			return nil, fmt.Errorf("parse SSH connection %q: %w", conn.SSH, err)
 		}
 
-		keyPath := fs.ExpandHomeDir(conn.IdentityFile)
+		keyPath := fs.ExpandHomeDir(conn.SSHKeyFile)
 
 		sshConfig := &connector.SSHConnectorConfig{
 			User:    user,
@@ -167,7 +167,7 @@ func (cli *CLI) initRemoteMachine(
 	// Save the machine's SSH connection details in the cluster config.
 	connCfg := config.MachineConnection{
 		SSH:        config.NewSSHDestination(remoteMachine.User, remoteMachine.Host, remoteMachine.Port),
-		IdentityFile: remoteMachine.KeyPath,
+		SSHKeyFile: remoteMachine.KeyPath,
 	}
 	cli.config.Clusters[clusterName].Connections = append(cli.config.Clusters[clusterName].Connections, connCfg)
 	if err = cli.config.Save(); err != nil {

internal/cli/config/connection.go

@@ -18,7 +18,7 @@ type MachineConnection struct {
 	TCP        netip.AddrPort `toml:"tcp,omitempty"`
 	Host       string         `toml:"host,omitempty"`
 	PublicKey  secret.Secret  `toml:"public_key,omitempty"`
-	IdentityFile string         `toml:"identity_file,omitempty"`
+	SSHKeyFile string         `toml:"ssh_key_file,omitempty"`
 }
 
 // SSHDestination represents an SSH destination string in the canonical form of "user@host:port".