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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 rule
import (
"context"
"flag"
"fmt"
"github.com/vmware/govmomi/govc/flags"
"github.com/vmware/govmomi/vim25/types"
)
type InfoFlag struct {
*flags.ClusterFlag
rules []types.BaseClusterRuleInfo
name string
Long bool
}
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 rule name")
fs.BoolVar(&f.Long, "l", false, "Long listing format")
}
func (f *InfoFlag) Process(ctx context.Context) error {
return f.ClusterFlag.Process(ctx)
}
func (f *InfoFlag) Rules(ctx context.Context) ([]types.BaseClusterRuleInfo, error) {
if f.rules != nil {
return f.rules, nil
}
cluster, err := f.Cluster()
if err != nil {
return nil, err
}
config, err := cluster.Configuration(ctx)
if err != nil {
return nil, err
}
f.rules = config.Rule
return f.rules, nil
}
type ClusterRuleInfo struct {
info types.BaseClusterRuleInfo
ruleType string
// only ClusterAffinityRuleSpec and ClusterAntiAffinityRuleSpec
refs *[]types.ManagedObjectReference
kind string
// only ClusterVmHostRuleInfo
vmGroupName string
affineHostGroupName string
antiAffineHostGroupName string
// only ClusterDependencyRuleInfo
VmGroup string
DependsOnVmGroup string
}
func (f *InfoFlag) Rule(ctx context.Context) (*ClusterRuleInfo, error) {
rules, err := f.Rules(ctx)
if err != nil {
return nil, err
}
for _, rule := range rules {
if rule.GetClusterRuleInfo().Name != f.name {
continue
}
r := GetExtendedClusterRuleInfo(rule)
return &r, nil
}
return nil, fmt.Errorf("rule %q not found", f.name)
}
func GetExtendedClusterRuleInfo(rule types.BaseClusterRuleInfo) ClusterRuleInfo {
r := ClusterRuleInfo{info: rule}
switch info := rule.(type) {
case *types.ClusterAffinityRuleSpec:
r.ruleType = "ClusterAffinityRuleSpec"
r.refs = &info.Vm
r.kind = "VirtualMachine"
case *types.ClusterAntiAffinityRuleSpec:
r.ruleType = "ClusterAntiAffinityRuleSpec"
r.refs = &info.Vm
r.kind = "VirtualMachine"
case *types.ClusterVmHostRuleInfo:
r.ruleType = "ClusterVmHostRuleInfo"
r.vmGroupName = info.VmGroupName
r.affineHostGroupName = info.AffineHostGroupName
r.antiAffineHostGroupName = info.AntiAffineHostGroupName
case *types.ClusterDependencyRuleInfo:
r.ruleType = "ClusterDependencyRuleInfo"
r.VmGroup = info.VmGroup
r.DependsOnVmGroup = info.DependsOnVmGroup
}
return r
}
func (f *InfoFlag) Apply(ctx context.Context, update types.ArrayUpdateSpec, info types.BaseClusterRuleInfo) error {
spec := &types.ClusterConfigSpecEx{
RulesSpec: []types.ClusterRuleSpec{
{
ArrayUpdateSpec: update,
Info: info,
},
},
}
return f.Reconfigure(ctx, spec)
}
type SpecFlag struct {
types.ClusterRuleInfo
types.ClusterVmHostRuleInfo
types.ClusterAffinityRuleSpec
types.ClusterAntiAffinityRuleSpec
}
func (s *SpecFlag) Register(ctx context.Context, f *flag.FlagSet) {
f.Var(flags.NewOptionalBool(&s.Enabled), "enable", "Enable rule")
f.Var(flags.NewOptionalBool(&s.Mandatory), "mandatory", "Enforce rule compliance")
f.StringVar(&s.VmGroupName, "vm-group", "", "VM group name")
f.StringVar(&s.AffineHostGroupName, "host-affine-group", "", "Host affine group name")
f.StringVar(&s.AntiAffineHostGroupName, "host-anti-affine-group", "", "Host anti-affine group name")
}
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