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configure.go
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configure.go
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// Copyright 2016 VMware, Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ova
import (
"context"
"net"
"net/url"
log "github.com/Sirupsen/logrus"
"github.com/vmware/govmomi/vim25/types"
"github.com/vmware/vic/lib/config/dynamic/admiral"
"github.com/vmware/vic/pkg/errors"
"github.com/vmware/vic/pkg/vsphere/session"
"github.com/vmware/vic/pkg/vsphere/tasks"
"github.com/vmware/vic/pkg/vsphere/vm"
)
const (
// ManagedByKey defines the extension key to use in the ManagedByInfo of the OVA
ManagedByKey = "com.vmware.vic"
// ManagedByType defines the type to use in the ManagedByInfo of the OVA
ManagedByType = "VicApplianceVM"
)
// ConfigureManagedByInfo takes sets the ManagedBy field for the VM specified by ovaURL
func ConfigureManagedByInfo(ctx context.Context, config *session.Config, ovaURL string) error {
sess := session.NewSession(config)
sess, err := sess.Connect(ctx)
if err != nil {
return err
}
v, err := getOvaVMByTag(ctx, sess, ovaURL)
if err != nil {
return err
}
log.Infof("Attempting to configure ManagedByInfo")
err = configureManagedByInfo(ctx, sess, v)
if err != nil {
return err
}
log.Infof("Successfully configured ManagedByInfo")
return nil
}
func configureManagedByInfo(ctx context.Context, sess *session.Session, v *vm.VirtualMachine) error {
spec := types.VirtualMachineConfigSpec{
ManagedBy: &types.ManagedByInfo{
ExtensionKey: ManagedByKey,
Type: ManagedByType,
},
}
info, err := v.WaitForResult(ctx, func(ctx context.Context) (tasks.Task, error) {
return v.Reconfigure(ctx, spec)
})
if err != nil {
log.Errorf("Error while setting ManagedByInfo: %s", err)
return err
}
if info.State != types.TaskInfoStateSuccess {
log.Errorf("Setting ManagedByInfo reported: %s", info.Error.LocalizedMessage)
return err
}
return nil
}
func getOvaVMByTag(ctx context.Context, sess *session.Session, u string) (*vm.VirtualMachine, error) {
ovaURL, err := url.Parse(u)
if err != nil {
return nil, err
}
host := ovaURL.Hostname()
log.Debugf("Looking up host %s", host)
ips, err := net.LookupIP(host)
if err != nil {
return nil, errors.Errorf("IP lookup failed: %s", err)
}
log.Debugf("found %d IP(s) from hostname lookup on %s:", len(ips), host)
var ip string
for _, i := range ips {
log.Debugf(i.String())
if i.To4() != nil {
ip = i.String()
}
}
if ip == "" {
return nil, errors.Errorf("IPV6 support not yet implemented")
}
vms, err := admiral.DefaultDiscovery.Discover(ctx, sess)
if err != nil {
return nil, errors.Errorf("failed to discover OVA vm(s): %s", err)
}
log.Infof("Found %d VM(s) tagged as OVA", len(vms))
for i, v := range vms {
log.Debugf("Checking IP for %s", v.Reference().Value)
vmIP, err := v.WaitForIP(ctx)
if err != nil && i == len(vms)-1 {
return nil, errors.Errorf("failed to get VM IP: %s", err)
}
// verify the tagged vm has the IP we expect
if vmIP == ip {
log.Debugf("Found OVA with matching IP: %s", ip)
return v, nil
}
}
return nil, errors.Errorf("no VM(s) found with OVA tag")
}