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
|
/*
Copyright (c) 2019 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 simulator_test
import (
"bytes"
"context"
"fmt"
"io/ioutil"
"log"
"net/url"
"os"
"os/exec"
"path/filepath"
"github.com/vmware/govmomi"
"github.com/vmware/govmomi/find"
"github.com/vmware/govmomi/object"
"github.com/vmware/govmomi/simulator"
"github.com/vmware/govmomi/vim25"
"github.com/vmware/govmomi/vim25/types"
)
// Custom username + password authentication
func Example_usernamePasswordLogin() {
model := simulator.VPX()
defer model.Remove()
err := model.Create()
if err != nil {
log.Fatal(err)
}
model.Service.Listen = &url.URL{
User: url.UserPassword("my-username", "my-password"),
}
s := model.Service.NewServer()
defer s.Close()
c, err := govmomi.NewClient(context.Background(), s.URL, true)
if err != nil {
log.Fatal(err)
}
fmt.Printf("login to %s as %s", c.Client.ServiceContent.About.ApiType, s.URL.User)
// Output: login to VirtualCenter as my-username:my-password
}
// Set VM properties that the API cannot change in a real vCenter.
func Example_setVirtualMachineProperties() {
simulator.Test(func(ctx context.Context, c *vim25.Client) {
vm, err := find.NewFinder(c).VirtualMachine(ctx, "DC0_H0_VM0")
if err != nil {
log.Fatal(err)
}
spec := types.VirtualMachineConfigSpec{
ExtraConfig: []types.BaseOptionValue{
&types.OptionValue{Key: "SET.guest.ipAddress", Value: "10.0.0.42"},
},
}
task, _ := vm.Reconfigure(ctx, spec)
_ = task.Wait(ctx)
ip, _ := vm.WaitForIP(ctx)
fmt.Printf("ip is %s", ip)
})
// Output: ip is 10.0.0.42
}
// Tie a docker container to the lifecycle of a vcsim VM
func Example_runContainer() {
simulator.Test(func(ctx context.Context, c *vim25.Client) {
if _, err := exec.LookPath("docker"); err != nil {
fmt.Println("0 diff")
return // docker is required
}
finder := find.NewFinder(c)
pool, _ := finder.ResourcePool(ctx, "DC0_H0/Resources")
dc, err := finder.Datacenter(ctx, "DC0")
if err != nil {
log.Fatal(err)
}
f, _ := dc.Folders(ctx)
dir, err := ioutil.TempDir("", "example")
if err != nil {
log.Fatal(err)
}
os.Chmod(dir, 0755)
fpath := filepath.Join(dir, "index.html")
fcontent := "foo"
ioutil.WriteFile(fpath, []byte(fcontent), 0644)
// just in case umask gets in the way
os.Chmod(fpath, 0644)
defer os.RemoveAll(dir)
args := fmt.Sprintf("-v '%s:/usr/share/nginx/html:ro' nginx", dir)
spec := types.VirtualMachineConfigSpec{
Name: "nginx",
Files: &types.VirtualMachineFileInfo{
VmPathName: "[LocalDS_0] nginx",
},
ExtraConfig: []types.BaseOptionValue{
&types.OptionValue{Key: "RUN.container", Value: args}, // run nginx
},
}
// Create a new VM
task, err := f.VmFolder.CreateVM(ctx, spec, pool, nil)
if err != nil {
log.Fatal(err)
}
info, err := task.WaitForResult(ctx, nil)
if err != nil {
log.Fatal(err)
}
vm := object.NewVirtualMachine(c, info.Result.(types.ManagedObjectReference))
// PowerOn VM starts the nginx container
task, _ = vm.PowerOn(ctx)
err = task.Wait(ctx)
if err != nil {
log.Fatal(err)
}
ip, _ := vm.WaitForIP(ctx, true) // Returns the docker container's IP
// Count the number of bytes in feature_test.go via nginx
cmd := exec.Command("docker", "run", "--rm", "curlimages/curl", "curl", "-f", fmt.Sprintf("http://%s", ip))
var buf bytes.Buffer
cmd.Stdout = &buf
err = cmd.Run()
if err != nil {
log.Fatal(err)
}
// PowerOff stops the container
task, _ = vm.PowerOff(ctx)
_ = task.Wait(ctx)
// Destroy deletes the container
task, _ = vm.Destroy(ctx)
_ = task.Wait(ctx)
fmt.Printf("%d diff", buf.Len()-len(fcontent))
})
// Output: 0 diff
}
|
