1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/* this file is part of pipelines */ |
4
|
|
|
|
5
|
|
|
namespace Ktomk\Pipelines\Runner; |
6
|
|
|
|
7
|
|
|
use InvalidArgumentException; |
8
|
|
|
use Ktomk\Pipelines\Cli\Args\Args; |
9
|
|
|
use Ktomk\Pipelines\Cli\Args\OptionFilterIterator; |
10
|
|
|
use UnexpectedValueException; |
11
|
|
|
|
12
|
|
|
/** |
13
|
|
|
* resolve environment variables against docker --env & --env-file arguments |
14
|
|
|
* |
15
|
|
|
* some string values in the bitbucket-pipelines.yml file might need resolution |
16
|
|
|
* against a part of the current host environment but only if set for the |
17
|
|
|
* container as well (--env-file, -e, --env) |
18
|
|
|
* |
19
|
|
|
* @package Ktomk\Pipelines\Runner |
20
|
|
|
*/ |
21
|
|
|
class EnvResolver |
22
|
|
|
{ |
23
|
|
|
|
24
|
|
|
/** |
25
|
|
|
* @var array host environment (that exports) |
26
|
|
|
*/ |
27
|
|
|
private $environment; |
28
|
|
|
|
29
|
|
|
|
30
|
|
|
/** |
31
|
|
|
* @var array container environment (partial w/o bitbucket environment) |
32
|
|
|
*/ |
33
|
|
|
private $variables; |
34
|
|
|
|
35
|
|
|
/** |
36
|
|
|
* EnvResolver constructor. |
37
|
|
|
* |
38
|
|
|
* @param array|string[] $environment host environment variables (name => string) |
39
|
|
|
*/ |
40
|
11 |
|
public function __construct(array $environment) |
41
|
|
|
{ |
42
|
11 |
|
$this->environment = array_filter($environment, 'is_string'); |
43
|
11 |
|
} |
44
|
|
|
|
45
|
1 |
|
public function addArguments(Args $args) |
46
|
|
|
{ |
47
|
1 |
|
$files = new OptionFilterIterator($args, 'env-file'); |
48
|
1 |
|
foreach ($files->getArguments() as $file) { |
49
|
1 |
|
$this->addFile($file); |
50
|
|
|
} |
51
|
|
|
|
52
|
1 |
|
$definitions = new OptionFilterIterator($args, array('e', 'env')); |
53
|
1 |
|
foreach ($definitions->getArguments() as $definition) { |
54
|
1 |
|
$this->addDefinition($definition); |
55
|
|
|
} |
56
|
1 |
|
} |
57
|
|
|
|
58
|
|
|
/** |
59
|
|
|
* add a file (--env-file option) |
60
|
|
|
* |
61
|
|
|
* @param string $file path to file |
62
|
|
|
*/ |
63
|
4 |
|
public function addFile($file) |
64
|
|
|
{ |
65
|
4 |
|
$lines = file($file, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); |
66
|
4 |
|
if (false === $lines) { |
67
|
1 |
|
throw new InvalidArgumentException(sprintf( |
68
|
1 |
|
"File read error: '%s'", $file |
69
|
|
|
) |
70
|
|
|
); |
71
|
|
|
} |
72
|
3 |
|
$this->addLines($lines); |
73
|
3 |
|
} |
74
|
|
|
|
75
|
|
|
/** |
76
|
|
|
* add a file but only if it exists (similar to --env-file option) |
77
|
|
|
* |
78
|
|
|
* @see addFile |
79
|
|
|
* @param string $file path to (potentially existing) file |
80
|
|
|
* @return bool file was added |
81
|
|
|
*/ |
82
|
2 |
|
public function addFileIfExists($file) |
83
|
|
|
{ |
84
|
2 |
|
if (!is_file($file) || !is_readable($file)) { |
85
|
1 |
|
return false; |
86
|
|
|
} |
87
|
|
|
|
88
|
1 |
|
$this->addFile($file); |
89
|
1 |
|
return true; |
90
|
|
|
} |
91
|
|
|
|
92
|
4 |
|
public function addLines(array $lines) |
93
|
|
|
{ |
94
|
4 |
|
$definitions = preg_grep('~^(\s*#.*|\s*)$~', $lines, PREG_GREP_INVERT); |
95
|
4 |
|
foreach ($definitions as $definition) { |
96
|
4 |
|
$this->addDefinition($definition); |
97
|
|
|
} |
98
|
4 |
|
} |
99
|
|
|
|
100
|
|
|
/** |
101
|
|
|
* add a variable definition (-e, --env option) |
102
|
|
|
* |
103
|
|
|
* @param string $definition variable definition, either name only or w/ equal sign |
104
|
|
|
*/ |
105
|
7 |
|
public function addDefinition($definition) |
106
|
|
|
{ |
107
|
7 |
|
$pattern = '~^([^$={}\\x0-\\x20\\x7f-\\xff-]+)(?:=(.*))?$~'; |
108
|
|
|
|
109
|
7 |
|
$result = preg_match($pattern, $definition, $matches); |
110
|
7 |
|
if (0 === $result) { |
111
|
1 |
|
throw new InvalidArgumentException(sprintf( |
112
|
1 |
|
"Variable definition error: '%s'", $definition |
113
|
|
|
)); |
114
|
|
|
} |
115
|
|
|
|
116
|
6 |
|
list(, $name, $value) = $matches + array(2 => null); |
117
|
|
|
|
118
|
6 |
|
if (null === $value && isset($this->environment[$name])) { |
119
|
5 |
|
$value = $this->environment[$name]; |
120
|
|
|
} |
121
|
|
|
|
122
|
6 |
|
$this->variables[$name] = $value; |
123
|
6 |
|
} |
124
|
|
|
|
125
|
|
|
/** |
126
|
|
|
* get value of variable |
127
|
|
|
* |
128
|
|
|
* @param string $name of variable to obtain value from |
129
|
|
|
* @return string|null value, null if unset |
130
|
|
|
*/ |
131
|
8 |
|
public function getValue($name) |
132
|
|
|
{ |
133
|
8 |
|
return isset($this->variables[$name]) |
134
|
5 |
|
? $this->variables[$name] |
135
|
8 |
|
: null; |
136
|
|
|
} |
137
|
|
|
|
138
|
|
|
/** |
139
|
|
|
* replace variable with its content if it is a portable, Shell and |
140
|
|
|
* Utilities variable name (see POSIX). |
141
|
|
|
* |
142
|
|
|
* zero-length string if the variable is undefined in the resolver |
143
|
|
|
* context. |
144
|
|
|
* |
145
|
|
|
* @param $string |
146
|
|
|
* @return string |
147
|
|
|
*/ |
148
|
2 |
|
public function resolveString($string) |
149
|
|
|
{ |
150
|
2 |
|
$pattern = '~^\$([A-Z_]+[0-9A-Z_])*$~'; |
151
|
2 |
|
$result = preg_match($pattern, $string, $matches); |
152
|
2 |
|
if (false === $result) { |
|
|
|
|
153
|
|
|
throw new UnexpectedValueException('regex pattern error'); // @codeCoverageIgnore |
154
|
|
|
} |
155
|
|
|
|
156
|
2 |
|
if (0 === $result) { |
157
|
2 |
|
return $string; |
158
|
|
|
} |
159
|
|
|
|
160
|
2 |
|
list(, $name) = $matches; |
161
|
2 |
|
$value = $this->getValue($name); |
162
|
|
|
|
163
|
2 |
|
return (string)$value; |
164
|
|
|
} |
165
|
|
|
|
166
|
|
|
/** |
167
|
|
|
* resolve a string or an array of strings |
168
|
|
|
* |
169
|
|
|
* @param string|array $stringOrArray |
170
|
|
|
* @return string|array |
171
|
|
|
* @see resolveString |
172
|
|
|
*/ |
173
|
1 |
|
public function __invoke($stringOrArray) |
174
|
|
|
{ |
175
|
|
|
// TODO(tk): provide full environment (string) on NULL parameter |
176
|
1 |
|
if (is_array($stringOrArray)) { |
177
|
1 |
|
return array_map(array($this, 'resolveString'), $stringOrArray); |
178
|
|
|
} |
179
|
|
|
|
180
|
1 |
|
return $this->resolveString($stringOrArray); |
181
|
|
|
} |
182
|
|
|
} |
183
|
|
|
|