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/*
Copyright (c) 2017 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 group
import (
"context"
"flag"
"fmt"
"github.com/vmware/govmomi/govc/flags"
"github.com/vmware/govmomi/vim25/types"
)
type InfoFlag struct {
*flags.ClusterFlag
groups []types.BaseClusterGroupInfo
name string
}
func NewInfoFlag(ctx context.Context) (*InfoFlag, context.Context) {
f := &InfoFlag{}
f.ClusterFlag, ctx = flags.NewClusterFlag(ctx)
return f, ctx
}
func (f *InfoFlag) Register(ctx context.Context, fs *flag.FlagSet) {
f.ClusterFlag.Register(ctx, fs)
fs.StringVar(&f.name, "name", "", "Cluster group name")
}
func (f *InfoFlag) Process(ctx context.Context) error {
return f.ClusterFlag.Process(ctx)
}
func (f *InfoFlag) Groups(ctx context.Context) ([]types.BaseClusterGroupInfo, error) {
if f.groups != nil {
return f.groups, nil
}
cluster, err := f.Cluster()
if err != nil {
return nil, err
}
config, err := cluster.Configuration(ctx)
if err != nil {
return nil, err
}
f.groups = config.Group
return f.groups, nil
}
type ClusterGroupInfo struct {
info types.BaseClusterGroupInfo
refs *[]types.ManagedObjectReference
kind string
}
func newGroupInfo(info types.BaseClusterGroupInfo) *ClusterGroupInfo {
group := &ClusterGroupInfo{info: info}
switch info := info.(type) {
case *types.ClusterHostGroup:
group.refs = &info.Host
group.kind = "HostSystem"
case *types.ClusterVmGroup:
group.refs = &info.Vm
group.kind = "VirtualMachine"
}
return group
}
func (f *InfoFlag) Group(ctx context.Context) (*ClusterGroupInfo, error) {
groups, err := f.Groups(ctx)
if err != nil {
return nil, err
}
for _, group := range groups {
if group.GetClusterGroupInfo().Name == f.name {
return newGroupInfo(group), nil
}
}
return nil, fmt.Errorf("group %q not found", f.name)
}
func (f *InfoFlag) Apply(ctx context.Context, update types.ArrayUpdateSpec, info types.BaseClusterGroupInfo) error {
spec := &types.ClusterConfigSpecEx{
GroupSpec: []types.ClusterGroupSpec{
{
ArrayUpdateSpec: update,
Info: info,
},
},
}
return f.Reconfigure(ctx, spec)
}
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