github.com/Cloud-Foundations/Dominator@v0.3.4/cmd/hyper-control/holdLock.go (about)

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  
     6  	hyperclient "github.com/Cloud-Foundations/Dominator/hypervisor/client"
     7  	"github.com/Cloud-Foundations/Dominator/lib/errors"
     8  	"github.com/Cloud-Foundations/Dominator/lib/log"
     9  	"github.com/Cloud-Foundations/Dominator/lib/srpc"
    10  )
    11  
    12  func holdLockSubcommand(args []string, logger log.DebugLogger) error {
    13  	err := holdLock(logger)
    14  	if err != nil {
    15  		return fmt.Errorf("error holding lock: %s", err)
    16  	}
    17  	return nil
    18  }
    19  
    20  func holdLock(logger log.DebugLogger) error {
    21  	if *hypervisorHostname == "" {
    22  		return errors.New("hypervisorHostname no specified")
    23  	}
    24  	clientName := fmt.Sprintf("%s:%d", *hypervisorHostname, *hypervisorPortNum)
    25  	client, err := srpc.DialHTTP("tcp", clientName, 0)
    26  	if err != nil {
    27  		return err
    28  	}
    29  	defer client.Close()
    30  	return hyperclient.HoldLock(client, *lockTimeout, *writeLock)
    31  }