/
rebootVm.go
50 lines (45 loc) · 1.21 KB
/
rebootVm.go
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package main
import (
"fmt"
"net"
"github.com/Cloud-Foundations/Dominator/lib/errors"
"github.com/Cloud-Foundations/Dominator/lib/log"
proto "github.com/Cloud-Foundations/Dominator/proto/hypervisor"
)
func rebootVmSubcommand(args []string, logger log.DebugLogger) error {
if err := rebootVm(args[0], logger); err != nil {
return fmt.Errorf("error rebooting VM: %s", err)
}
return nil
}
func rebootVm(vmHostname string, logger log.DebugLogger) error {
if vmIP, hypervisor, err := lookupVmAndHypervisor(vmHostname); err != nil {
return err
} else {
return rebootVmOnHypervisor(hypervisor, vmIP, logger)
}
}
func rebootVmOnHypervisor(hypervisor string, ipAddr net.IP,
logger log.DebugLogger) error {
request := proto.RebootVmRequest{
DhcpTimeout: *dhcpTimeout,
IpAddress: ipAddr,
}
client, err := dialHypervisor(hypervisor)
if err != nil {
return err
}
defer client.Close()
var reply proto.RebootVmResponse
err = client.RequestReply("Hypervisor.RebootVm", request, &reply)
if err != nil {
return err
}
if err := errors.New(reply.Error); err != nil {
return err
}
if reply.DhcpTimedOut {
return errors.New("DHCP ACK timed out")
}
return maybeWatchVm(client, hypervisor, ipAddr, logger)
}