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
181
182
183
184
185
|
package hst
import (
"fmt"
"io"
"net"
"net/http"
"net/http/httputil"
"os"
"os/exec"
"strings"
"time"
)
const networkTopologyDir string = "topo-network/"
const containerTopologyDir string = "topo-containers/"
type Stanza struct {
content string
pad int
}
type ActionResult struct {
Err error
Desc string
ErrOutput string
StdOutput string
}
type JsonResult struct {
Code int
Desc string
ErrOutput string
StdOutput string
}
func AssertFileSize(f1, f2 string) error {
fi1, err := os.Stat(f1)
if err != nil {
return err
}
fi2, err1 := os.Stat(f2)
if err1 != nil {
return err1
}
if fi1.Size() != fi2.Size() {
return fmt.Errorf("file sizes differ (%d vs %d)", fi1.Size(), fi2.Size())
}
return nil
}
func (c *Stanza) NewStanza(name string) *Stanza {
c.Append("\n" + name + " {")
c.pad += 2
return c
}
func (c *Stanza) Append(name string) *Stanza {
c.content += strings.Repeat(" ", c.pad)
c.content += name + "\n"
return c
}
func (c *Stanza) Close() *Stanza {
c.content += "}\n"
c.pad -= 2
return c
}
func (s *Stanza) ToString() string {
return s.content
}
func (s *Stanza) SaveToFile(fileName string) error {
fo, err := os.Create(fileName)
if err != nil {
return err
}
defer fo.Close()
_, err = io.Copy(fo, strings.NewReader(s.content))
return err
}
// NewHttpClient creates [http.Client] with disabled proxy and redirects, it also sets timeout to 30seconds.
func NewHttpClient() *http.Client {
transport := http.DefaultTransport
transport.(*http.Transport).Proxy = nil
transport.(*http.Transport).DisableKeepAlives = true
client := &http.Client{
Transport: transport,
Timeout: time.Second * 30,
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return http.ErrUseLastResponse
}}
return client
}
func DumpHttpResp(resp *http.Response, body bool) string {
dump, err := httputil.DumpResponse(resp, body)
if err != nil {
return ""
}
return string(dump)
}
func TcpSendReceive(address, data string) (string, error) {
conn, err := net.DialTimeout("tcp", address, time.Second*30)
if err != nil {
return "", err
}
defer conn.Close()
err = conn.SetDeadline(time.Now().Add(time.Second * 30))
if err != nil {
return "", err
}
_, err = conn.Write([]byte(data))
if err != nil {
return "", err
}
reply := make([]byte, 1024)
_, err = conn.Read(reply)
if err != nil {
return "", err
}
return string(reply), nil
}
/*
RunCurlContainer execute curl command with given args.
Container with name "curl" must be available.
Curl runs in verbose mode and progress meter switch off by default.
*/
func (s *HstSuite) RunCurlContainer(args string) (string, string) {
curlCont := s.GetContainerByName("curl")
cmd := fmt.Sprintf("curl -v -s %s", args)
s.Log(cmd)
curlCont.ExtraRunningArgs = cmd
curlCont.Run()
stdout, stderr := curlCont.GetOutput()
s.Log(stderr)
s.Log(stdout)
return stdout, stderr
}
/*
CollectNginxLogs save access and error logs to the test execution directory.
Nginx logging need to be set following way:
- error_log <default-work-dir>/{{.LogPrefix}}-error.log;
- access_log <default-work-dir>/{{.LogPrefix}}-access.log;
where LogPrefix is set to nginxContainer.Name
*/
func (s *HstSuite) CollectNginxLogs(containerName string) {
nginxContainer := s.GetContainerByName(containerName)
targetDir := nginxContainer.getLogDirPath()
source := nginxContainer.GetHostWorkDir() + "/" + nginxContainer.Name + "-"
cmd := exec.Command("cp", "-t", targetDir, source+"error.log", source+"access.log")
s.Log(cmd.String())
err := cmd.Run()
if err != nil {
s.Log(fmt.Sprint(err))
}
}
/*
CollectEnvoyLogs save access logs to the test execution directory.
Envoy access log path need to be set following way:
<default-work-dir>/{{.LogPrefix}}-access.log
where LogPrefix is set to envoyContainer.Name
*/
func (s *HstSuite) CollectEnvoyLogs(containerName string) {
envoyContainer := s.GetContainerByName(containerName)
targetDir := envoyContainer.getLogDirPath()
source := envoyContainer.GetHostWorkDir() + "/" + envoyContainer.Name + "-"
cmd := exec.Command("cp", "-t", targetDir, source+"access.log")
s.Log(cmd.String())
err := cmd.Run()
if err != nil {
s.Log(fmt.Sprint(err))
}
}
|
