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discardVmOldImage.go
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/
discardVmOldImage.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 discardVmOldImageSubcommand(args []string, logger log.DebugLogger) error {
if err := discardVmOldImage(args[0], logger); err != nil {
return fmt.Errorf("error discarding VM old image: %s", err)
}
return nil
}
func discardVmOldImage(vmHostname string, logger log.DebugLogger) error {
if vmIP, hypervisor, err := lookupVmAndHypervisor(vmHostname); err != nil {
return err
} else {
return discardVmOldImageOnHypervisor(hypervisor, vmIP, logger)
}
}
func discardVmOldImageOnHypervisor(hypervisor string, ipAddr net.IP,
logger log.DebugLogger) error {
request := proto.DiscardVmOldImageRequest{ipAddr}
client, err := dialHypervisor(hypervisor)
if err != nil {
return err
}
defer client.Close()
var reply proto.DiscardVmOldImageResponse
err = client.RequestReply("Hypervisor.DiscardVmOldImage", request, &reply)
if err != nil {
return err
}
return errors.New(reply.Error)
}