support --auto mode for agent-based private shares (#780)

agent/accessPrivate.go

@@ -3,6 +3,7 @@ package agent
 import (
 	"context"
 	"errors"
+	"fmt"
 	"github.com/openziti/zrok/agent/agentGrpc"
 	"github.com/openziti/zrok/agent/proctree"
 	"github.com/openziti/zrok/environment"
@@ -21,9 +22,19 @@ func (i *agentGrpcImpl) AccessPrivate(_ context.Context, req *agentGrpc.AccessPr
 	}
 
 	accCmd := []string{os.Args[0], "access", "private", "--subordinate", "-b", req.BindAddress, req.Token}
+	if req.AutoMode {
+		accCmd = append(accCmd, "--auto", "--auto-address", req.AutoAddress, "--auto-start-port", fmt.Sprintf("%v", req.AutoStartPort))
+		accCmd = append(accCmd, "--auto-end-port", fmt.Sprintf("%v", req.AutoEndPort))
+	}
+	logrus.Info(accCmd)
+
 	acc := &access{
 		token:           req.Token,
 		bindAddress:     req.BindAddress,
+		autoMode:        req.AutoMode,
+		autoAddress:     req.AutoAddress,
+		autoStartPort:   uint16(req.AutoStartPort),
+		autoEndPort:     uint16(req.AutoEndPort),
 		responseHeaders: req.ResponseHeaders,
 		bootComplete:    make(chan struct{}),
 		agent:           i.agent,