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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
// SPDX-License-Identifier: GPL-3.0-or-later
package client
import (
"context"
"net/http"
"net/url"
"time"
"github.com/netdata/netdata/go/go.d.plugin/pkg/tlscfg"
"github.com/vmware/govmomi"
"github.com/vmware/govmomi/performance"
"github.com/vmware/govmomi/session"
"github.com/vmware/govmomi/view"
"github.com/vmware/govmomi/vim25"
"github.com/vmware/govmomi/vim25/mo"
"github.com/vmware/govmomi/vim25/soap"
"github.com/vmware/govmomi/vim25/types"
)
const (
datacenter = "Datacenter"
folder = "Folder"
computeResource = "ComputeResource"
hostSystem = "HostSystem"
virtualMachine = "VirtualMachine"
maxIdleConnections = 32
)
type Config struct {
URL string
User string
Password string
tlscfg.TLSConfig
Timeout time.Duration
}
type Client struct {
client *govmomi.Client
root *view.ContainerView
perf *performance.Manager
}
func newSoapClient(config Config) (*soap.Client, error) {
soapURL, err := soap.ParseURL(config.URL)
if err != nil || soapURL == nil {
return nil, err
}
soapURL.User = url.UserPassword(config.User, config.Password)
soapClient := soap.NewClient(soapURL, config.TLSConfig.InsecureSkipVerify)
tlsConfig, err := tlscfg.NewTLSConfig(config.TLSConfig)
if err != nil {
return nil, err
}
if tlsConfig != nil && len(tlsConfig.Certificates) > 0 {
soapClient.SetCertificate(tlsConfig.Certificates[0])
}
if config.TLSConfig.TLSCA != "" {
if err := soapClient.SetRootCAs(config.TLSConfig.TLSCA); err != nil {
return nil, err
}
}
if t, ok := soapClient.Transport.(*http.Transport); ok {
t.MaxIdleConnsPerHost = maxIdleConnections
t.TLSHandshakeTimeout = config.Timeout
}
soapClient.Timeout = config.Timeout
return soapClient, nil
}
func newContainerView(ctx context.Context, client *govmomi.Client) (*view.ContainerView, error) {
viewManager := view.NewManager(client.Client)
return viewManager.CreateContainerView(ctx, client.ServiceContent.RootFolder, []string{}, true)
}
func newPerformanceManager(client *vim25.Client) *performance.Manager {
perfManager := performance.NewManager(client)
perfManager.Sort = true
return perfManager
}
func New(config Config) (*Client, error) {
ctx := context.Background()
soapClient, err := newSoapClient(config)
if err != nil {
return nil, err
}
vimClient, err := vim25.NewClient(ctx, soapClient)
if err != nil {
return nil, err
}
vmomiClient := &govmomi.Client{
Client: vimClient,
SessionManager: session.NewManager(vimClient),
}
userInfo := url.UserPassword(config.User, config.Password)
addKeepAlive(vmomiClient, userInfo)
err = vmomiClient.Login(ctx, userInfo)
if err != nil {
return nil, err
}
containerView, err := newContainerView(ctx, vmomiClient)
if err != nil {
return nil, err
}
perfManager := newPerformanceManager(vimClient)
client := &Client{
client: vmomiClient,
perf: perfManager,
root: containerView,
}
return client, nil
}
func (c *Client) IsSessionActive() (bool, error) {
return c.client.SessionManager.SessionIsActive(context.Background())
}
func (c *Client) Version() string {
return c.client.ServiceContent.About.Version
}
func (c *Client) Login(userinfo *url.Userinfo) error {
return c.client.Login(context.Background(), userinfo)
}
func (c *Client) Logout() error {
return c.client.Logout(context.Background())
}
func (c *Client) PerformanceMetrics(pqs []types.PerfQuerySpec) ([]performance.EntityMetric, error) {
metrics, err := c.perf.Query(context.Background(), pqs)
if err != nil {
return nil, err
}
return c.perf.ToMetricSeries(context.Background(), metrics)
}
func (c *Client) Datacenters(pathSet ...string) (dcs []mo.Datacenter, err error) {
err = c.root.Retrieve(context.Background(), []string{datacenter}, pathSet, &dcs)
return
}
func (c *Client) Folders(pathSet ...string) (folders []mo.Folder, err error) {
err = c.root.Retrieve(context.Background(), []string{folder}, pathSet, &folders)
return
}
func (c *Client) ComputeResources(pathSet ...string) (computes []mo.ComputeResource, err error) {
err = c.root.Retrieve(context.Background(), []string{computeResource}, pathSet, &computes)
return
}
func (c *Client) Hosts(pathSet ...string) (hosts []mo.HostSystem, err error) {
err = c.root.Retrieve(context.Background(), []string{hostSystem}, pathSet, &hosts)
return
}
func (c *Client) VirtualMachines(pathSet ...string) (vms []mo.VirtualMachine, err error) {
err = c.root.Retrieve(context.Background(), []string{virtualMachine}, pathSet, &vms)
return
}
func (c *Client) CounterInfoByName() (map[string]*types.PerfCounterInfo, error) {
return c.perf.CounterInfoByName(context.Background())
}
|
