Drush: lib/Drush/Log/DrushLog.php Source File

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1 <?php
2 
3 /**
4  * @file
5  * Contains \Drush\Log\DrushLog.
6  *
7  * This class is only used to convert logging calls made
8  * inside of Drupal into a logging format that is usable
9  * by Drush. This code is ONLY usable within the context
10  * of a bootstrapped Drupal 8 site.
11  *
12  * See Drush\Log\Logger for our actuall LoggerInterface
13  * implementation, that does the work of logging messages
14  * that originate from Drush.
15  */
16 
17 namespace Drush\Log;
18 
19 use Drupal\Core\Logger\LogMessageParserInterface;
20 use Drupal\Core\Logger\RfcLoggerTrait;
21 use Drupal\Core\Logger\RfcLogLevel;
22 use Psr\Log\LoggerInterface;
23 
24 /**
25  * Redirects Drupal logging messages to Drush log.
26  *
27  * Note that Drupal extends the LoggerInterface, and
28  * needlessly replaces Psr\Log\LogLevels with Drupal\Core\Logger\RfcLogLevel.
29  * Doing this arguably violates the Psr\Log contract,
30  * but we can't help that here -- we just need to convert back.
31  */
32 class DrushLog implements LoggerInterface {
33 
34  use RfcLoggerTrait;
35 
36  /**
37  * The message's placeholders parser.
38  *
39  * @var \Drupal\Core\Logger\LogMessageParserInterface
40  */
41  protected $parser;
42 
43  /**
44  * The logger that messages will be passed through to.
45  */
46  protected $logger;
47 
48  /**
49  * Constructs a DrushLog object.
50  *
51  * @param \Drupal\Core\Logger\LogMessageParserInterface $parser
52  * The parser to use when extracting message variables.
53  */
54  public function __construct(LogMessageParserInterface $parser, LoggerInterface $logger) {
55  $this->parser = $parser;
56  $this->logger = $logger;
57  }
58 
59  /**
60  * {@inheritdoc}
61  */
62  public function log($level, $message, array $context = array()) {
63  // Translate the RFC logging levels into their Drush counterparts, more or
64  // less.
65  // @todo ALERT, CRITICAL and EMERGENCY are considered show-stopping errors,
66  // and they should cause Drush to exit or panic. Not sure how to handle this,
67  // though.
68  switch ($level) {
69  case RfcLogLevel::ALERT:
70  case RfcLogLevel::CRITICAL:
71  case RfcLogLevel::EMERGENCY:
72  case RfcLogLevel::ERROR:
73  $error_type = LogLevel::ERROR;
74  break;
75 
76  case RfcLogLevel::WARNING:
77  $error_type = LogLevel::WARNING;
78  break;
79 
80  // TODO: RfcLogLevel::DEBUG should be 'debug' rather than 'notice'?
81  case RfcLogLevel::DEBUG:
82  case RfcLogLevel::INFO:
83  case RfcLogLevel::NOTICE:
84  $error_type = LogLevel::NOTICE;
85  break;
86 
87  // TODO: Unknown log levels that are not defined
88  // in Psr\Log\LogLevel or Drush\Log\LogLevel SHOULD NOT be used. See
90  // We should convert these to 'notice'.
91  default:
92  $error_type = $level;
93  break;
94  }
95 
96  // Populate the message placeholders and then replace them in the message.
97  $message_placeholders = $this->parser->parseMessagePlaceholders($message, $context);
98  $message = empty($message_placeholders) ? $message : strtr($message, $message_placeholders);
99 
100  $this->logger->log($error_type, $message, $context);
101  }
102 
103 }

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<a href="DrushLog_8php.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;&lt;?php</div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * @file</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * Contains \Drush\Log\DrushLog.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * This class is only used to convert logging calls made</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * inside of Drupal into a logging format that is usable</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * by Drush.  This code is ONLY usable within the context</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * of a bootstrapped Drupal 8 site.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * See Drush\Log\Logger for our actuall LoggerInterface</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * implementation, that does the work of logging messages</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * that originate from Drush.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">namespace </span>Drush\Log;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;use Drupal\Core\Logger\LogMessageParserInterface;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;use Drupal\Core\Logger\RfcLoggerTrait;</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;use Drupal\Core\Logger\RfcLogLevel;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;use Psr\Log\LoggerInterface;</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> * Redirects Drupal logging messages to Drush log.</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> * Note that Drupal extends the LoggerInterface, and</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"> * needlessly replaces Psr\Log\LogLevels with Drupal\Core\Logger\RfcLogLevel.</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"> * Doing this arguably violates the Psr\Log contract,</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> * but we can&#39;t help that here -- we just need to convert back.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="code" href="classDrush_1_1Log_1_1DrushLog.html">   32</a></span>&#160;<span class="keyword">class </span><a class="code" href="classDrush_1_1Log_1_1DrushLog.html">DrushLog</a> <span class="keyword">implements</span> LoggerInterface {</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;  use RfcLoggerTrait;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment">  /**</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment">   * The message&#39;s placeholders parser.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">   *</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment">   * @var \Drupal\Core\Logger\LogMessageParserInterface</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;  <span class="keyword">protected</span> $parser;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">  /**</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">   * The logger that messages will be passed through to.</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="code" href="classDrush_1_1Log_1_1DrushLog.html#aaf49cddf06df57c1a33b34853b293e22">   46</a></span>&#160;  <span class="keyword">protected</span> <a class="code" href="classDrush_1_1Log_1_1DrushLog.html#aaf49cddf06df57c1a33b34853b293e22">$logger</a>;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment">  /**</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">   * Constructs a DrushLog object.</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">   *</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment">   * @param \Drupal\Core\Logger\LogMessageParserInterface $parser</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment">   *   The parser to use when extracting message variables.</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="code" href="classDrush_1_1Log_1_1DrushLog.html#a2987e73013836f69e06eae1c80175353">   54</a></span>&#160;  <span class="keyword">public</span> <span class="keyword">function</span> <a class="code" href="classDrush_1_1Log_1_1DrushLog.html#a2987e73013836f69e06eae1c80175353">__construct</a>(LogMessageParserInterface $parser, LoggerInterface <a class="code" href="classDrush_1_1Log_1_1DrushLog.html#aaf49cddf06df57c1a33b34853b293e22">$logger</a>) {</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    $this-&gt;parser = $parser;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    $this-&gt;<a class="code" href="classDrush.html#aeda0f4644c7f586f873055d39dd755a5">logger</a> = <a class="code" href="classDrush_1_1Log_1_1DrushLog.html#aaf49cddf06df57c1a33b34853b293e22">$logger</a>;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;  }</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">  /**</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">   * {@inheritdoc}</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="code" href="classDrush_1_1Log_1_1DrushLog.html#a7f5ec04298d2b6eeaa4af5055146b0b3">   62</a></span>&#160;  <span class="keyword">public</span> <span class="keyword">function</span> <a class="code" href="classDrush_1_1Log_1_1DrushLog.html#a7f5ec04298d2b6eeaa4af5055146b0b3">log</a>($level, $message, array $context = array()) {</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="comment">// Translate the RFC logging levels into their Drush counterparts, more or</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="comment">// less.</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="comment">// @todo ALERT, CRITICAL and EMERGENCY are considered show-stopping errors,</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    <span class="comment">// and they should cause Drush to exit or panic. Not sure how to handle this,</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    <span class="comment">// though.</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keywordflow">switch</span> ($level) {</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;      <span class="keywordflow">case</span> RfcLogLevel::ALERT:</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;      <span class="keywordflow">case</span> RfcLogLevel::CRITICAL:</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;      <span class="keywordflow">case</span> RfcLogLevel::EMERGENCY:</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;      <span class="keywordflow">case</span> RfcLogLevel::ERROR:</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        $error_type = LogLevel::ERROR;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;      <span class="keywordflow">case</span> RfcLogLevel::WARNING:</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        $error_type = LogLevel::WARNING;</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;      <span class="comment">// TODO: RfcLogLevel::DEBUG should be &#39;debug&#39; rather than &#39;notice&#39;?</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;      <span class="keywordflow">case</span> RfcLogLevel::DEBUG:</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;      <span class="keywordflow">case</span> RfcLogLevel::INFO:</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;      <span class="keywordflow">case</span> RfcLogLevel::NOTICE:</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        $error_type = LogLevel::NOTICE;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;      <span class="comment">// TODO: Unknown log levels that are not defined</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;      <span class="comment">// in Psr\Log\LogLevel or Drush\Log\LogLevel SHOULD NOT be used.  See</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;      <span class="comment">// https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;      <span class="comment">// We should convert these to &#39;notice&#39;.</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;      <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        $error_type = $level;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    }</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <span class="comment">// Populate the message placeholders and then replace them in the message.</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    $message_placeholders = $this-&gt;parser-&gt;parseMessagePlaceholders($message, $context);</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    $message = empty($message_placeholders) ? $message : strtr($message, $message_placeholders);</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    $this-&gt;<a class="code" href="classDrush.html#aeda0f4644c7f586f873055d39dd755a5">logger</a>-&gt;log($error_type, $message, $context);</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;  }</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;}</div>
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