97 lines
2.0 KiB
Go
97 lines
2.0 KiB
Go
/*
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Copyright (c) 2017 VMware, Inc. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package metric
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import (
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"context"
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"flag"
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"fmt"
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"github.com/vmware/govmomi/govc/flags"
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"github.com/vmware/govmomi/performance"
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)
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type PerformanceFlag struct {
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*flags.DatacenterFlag
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*flags.OutputFlag
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m *performance.Manager
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interval int
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}
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func NewPerformanceFlag(ctx context.Context) (*PerformanceFlag, context.Context) {
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f := &PerformanceFlag{}
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f.DatacenterFlag, ctx = flags.NewDatacenterFlag(ctx)
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f.OutputFlag, ctx = flags.NewOutputFlag(ctx)
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return f, ctx
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}
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func (f *PerformanceFlag) Register(ctx context.Context, fs *flag.FlagSet) {
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f.DatacenterFlag.Register(ctx, fs)
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f.OutputFlag.Register(ctx, fs)
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fs.IntVar(&f.interval, "i", 0, "Interval ID")
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}
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func (f *PerformanceFlag) Process(ctx context.Context) error {
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if err := f.DatacenterFlag.Process(ctx); err != nil {
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return err
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}
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if err := f.OutputFlag.Process(ctx); err != nil {
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return err
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}
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return nil
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}
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func (f *PerformanceFlag) Manager(ctx context.Context) (*performance.Manager, error) {
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if f.m != nil {
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return f.m, nil
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}
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c, err := f.Client()
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if err != nil {
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return nil, err
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}
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f.m = performance.NewManager(c)
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f.m.Sort = true
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return f.m, err
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}
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func (f *PerformanceFlag) Interval(val int32) int32 {
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interval := int32(f.interval)
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if interval == 0 {
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if val == -1 {
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// realtime not supported
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return 300
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}
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return val
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}
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return interval
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}
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func (f *PerformanceFlag) ErrNotFound(name string) error {
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return fmt.Errorf("counter %q not found", name)
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}
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