blob: 982a2afeffeb2f2c4f486d679179b6fb60e374a4 (
plain)
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
186
187
188
189
190
191
192
193
194
195
196
197
198
|
<?php
namespace Icinga\Module\Graphite\Graphing;
use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Psr7\Request;
use Icinga\Web\Url;
/**
* HTTP interface to Graphite Web
*/
class GraphiteWebClient
{
/**
* Base URL of every Graphite Web HTTP request
*
* @var Url
*/
protected $baseUrl;
/**
* HTTP basic auth user for every Graphite Web HTTP request
*
* @var string|null
*/
protected $user;
/**
* The above user's password
*
* @var string|null
*/
protected $password;
/**
* Don't verify the remote's TLS certificate
*
* @var bool
*/
protected $insecure = false;
/**
* HTTP client
*
* @var ClientInterface
*/
protected $httpClient;
/**
* Constructor
*
* @param Url $baseUrl Base URL of every Graphite Web HTTP request
*/
public function __construct(Url $baseUrl)
{
$this->httpClient = new Client();
$this->setBaseUrl($baseUrl);
}
/**
* Send an HTTP request to the configured Graphite Web and return the response's body
*
* @param Url $url
* @param string $method
* @param string[] $headers
* @param string $body
*
* @return string
*/
public function request(Url $url, $method = 'GET', array $headers = [], $body = null)
{
$headers['User-Agent'] = 'icingaweb2-module-graphite';
if ($this->user !== null) {
$headers['Authorization'] = 'Basic ' . base64_encode("{$this->user}:{$this->password}");
}
// TODO(ak): keep connections alive (TCP handshakes are a bit expensive and TLS handshakes are very expensive)
return (string) $this->httpClient->send(
new Request($method, $this->completeUrl($url)->getAbsoluteUrl(), $headers, $body),
['curl' => [
CURLOPT_SSL_VERIFYPEER => ! $this->insecure
]]
)->getBody();
}
/**
* Complete the given relative URL according to the base URL
*
* @param Url $url
*
* @return Url
*/
public function completeUrl(Url $url)
{
$completeUrl = clone $this->baseUrl;
return $completeUrl
->setPath(ltrim(rtrim($completeUrl->getPath(), '/') . '/' . ltrim($url->getPath(), '/'), '/'))
->setParams($url->getParams());
}
/**
* Get the base URL of every Graphite Web HTTP request
*
* @return Url
*/
public function getBaseUrl()
{
return $this->baseUrl;
}
/**
* Set the base URL of every Graphite Web HTTP request
*
* @param Url $baseUrl
*
* @return $this
*/
public function setBaseUrl(Url $baseUrl)
{
$this->baseUrl = $baseUrl;
return $this;
}
/**
* Get the HTTP basic auth user
*
* @return null|string
*/
public function getUser()
{
return $this->user;
}
/**
* Set the HTTP basic auth user
*
* @param null|string $user
*
* @return $this
*/
public function setUser($user)
{
$this->user = $user;
return $this;
}
/**
* Get the HTTP basic auth password
*
* @return null|string
*/
public function getPassword()
{
return $this->password;
}
/**
* Set the HTTP basic auth password
*
* @param null|string $password
*
* @return $this
*/
public function setPassword($password)
{
$this->password = $password;
return $this;
}
/**
* Get whether not to verify the remote's TLS certificate
*
* @return bool
*/
public function getInsecure()
{
return $this->insecure;
}
/**
* Set whether not to verify the remote's TLS certificate
*
* @param bool $insecure
*
* @return $this
*/
public function setInsecure($insecure = true)
{
$this->insecure = $insecure;
return $this;
}
}
|
