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

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  	"net"
     6  
     7  	hyperclient "github.com/Cloud-Foundations/Dominator/hypervisor/client"
     8  	"github.com/Cloud-Foundations/Dominator/lib/errors"
     9  	"github.com/Cloud-Foundations/Dominator/lib/log"
    10  )
    11  
    12  func reorderVmVolumesSubcommand(args []string, logger log.DebugLogger) error {
    13  	if err := reorderVmVolumes(args[0], logger); err != nil {
    14  		return fmt.Errorf("error reordering VM volumes: %s", err)
    15  	}
    16  	return nil
    17  }
    18  
    19  func reorderVmVolumes(vmHostname string, logger log.DebugLogger) error {
    20  	if vmIP, hypervisor, err := lookupVmAndHypervisor(vmHostname); err != nil {
    21  		return err
    22  	} else {
    23  		return reorderVmVolumesOnHypervisor(hypervisor, vmIP, logger)
    24  	}
    25  }
    26  
    27  func reorderVmVolumesOnHypervisor(hypervisor string, ipAddr net.IP,
    28  	logger log.DebugLogger) error {
    29  	if len(volumeIndices) < 1 {
    30  		return errors.New("no volumeIndices specified")
    31  	}
    32  	client, err := dialHypervisor(hypervisor)
    33  	if err != nil {
    34  		return err
    35  	}
    36  	defer client.Close()
    37  	return hyperclient.ReorderVmVolumes(client, ipAddr, nil, volumeIndices)
    38  }