1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/*
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 metric
import (
"context"
"encoding/json"
"flag"
"fmt"
"io"
"text/tabwriter"
"github.com/vmware/govmomi/govc/cli"
"github.com/vmware/govmomi/performance"
"github.com/vmware/govmomi/vim25/types"
)
type ls struct {
*PerformanceFlag
long bool
}
func init() {
cli.Register("metric.ls", &ls{})
}
func (cmd *ls) Register(ctx context.Context, f *flag.FlagSet) {
cmd.PerformanceFlag, ctx = NewPerformanceFlag(ctx)
cmd.PerformanceFlag.Register(ctx, f)
f.BoolVar(&cmd.long, "l", false, "Long listing format")
}
func (cmd *ls) Usage() string {
return "PATH"
}
func (cmd *ls) Description() string {
return `List available metrics for PATH.
Examples:
govc metric.ls /dc1/host/cluster1
govc metric.ls datastore/*
govc metric.ls vm/* | grep mem. | xargs govc metric.sample vm/*`
}
func (cmd *ls) Process(ctx context.Context) error {
if err := cmd.PerformanceFlag.Process(ctx); err != nil {
return err
}
return nil
}
type lsResult struct {
cmd *ls
counters map[int32]*types.PerfCounterInfo
performance.MetricList
}
func (r *lsResult) Write(w io.Writer) error {
tw := tabwriter.NewWriter(w, 2, 0, 2, ' ', 0)
for _, id := range r.MetricList {
if id.Instance != "" {
continue
}
info := r.counters[id.CounterId]
if r.cmd.long {
fmt.Fprintf(w, "%s\t%s\n", info.Name(),
info.NameInfo.GetElementDescription().Label)
continue
}
fmt.Fprintln(w, info.Name())
}
return tw.Flush()
}
func (r *lsResult) MarshalJSON() ([]byte, error) {
m := make(map[string]*types.PerfCounterInfo)
for _, id := range r.MetricList {
info := r.counters[id.CounterId]
m[info.Name()] = info
}
return json.Marshal(m)
}
func (cmd *ls) Run(ctx context.Context, f *flag.FlagSet) error {
if f.NArg() != 1 {
return flag.ErrHelp
}
objs, err := cmd.ManagedObjects(ctx, f.Args())
if err != nil {
return err
}
m, err := cmd.Manager(ctx)
if err != nil {
return err
}
s, err := m.ProviderSummary(ctx, objs[0])
if err != nil {
return err
}
mids, err := m.AvailableMetric(ctx, objs[0], cmd.Interval(s.RefreshRate))
if err != nil {
return err
}
counters, err := m.CounterInfoByKey(ctx)
if err != nil {
return err
}
return cmd.WriteResult(&lsResult{cmd, counters, mids})
}
|
