github.com/cloud-foundations/dominator@v0.0.0-20221004181915-6e4fee580046/cmd/hyper-control/moveIpAddress.go (about)

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  	"net"
     6  
     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  	proto "github.com/Cloud-Foundations/Dominator/proto/fleetmanager"
    11  )
    12  
    13  func moveIpAddressSubcommand(args []string, logger log.DebugLogger) error {
    14  	if err := moveIpAddress(args[0], logger); err != nil {
    15  		return fmt.Errorf("Error moving IP address: %s", err)
    16  	}
    17  	return nil
    18  }
    19  
    20  func moveIpAddress(addr string, logger log.DebugLogger) error {
    21  	ipAddr := net.ParseIP(addr)
    22  	if len(ipAddr) < 4 {
    23  		return fmt.Errorf("invalid IP address: %s", addr)
    24  	}
    25  	request := proto.MoveIpAddressesRequest{
    26  		HypervisorHostname: *hypervisorHostname,
    27  		IpAddresses:        []net.IP{ipAddr},
    28  	}
    29  	var reply proto.MoveIpAddressesResponse
    30  	clientName := fmt.Sprintf("%s:%d",
    31  		*fleetManagerHostname, *fleetManagerPortNum)
    32  	client, err := srpc.DialHTTPWithDialer("tcp", clientName, rrDialer)
    33  	if err != nil {
    34  		return err
    35  	}
    36  	defer client.Close()
    37  	err = client.RequestReply("FleetManager.MoveIpAddresses", request, &reply)
    38  	if err != nil {
    39  		return err
    40  	}
    41  	return errors.New(reply.Error)
    42  }