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@@ -52,7 +52,7 @@
<div class="title">lib_logrotate.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="lib__logrotate_8hpp.html">Go to the documentation of this
file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span
class="lineno"> 1</span> <span class="comment">// Licensed to the
Apache Software Foundation (ASF) under one</span></div><div class="line"><a
name="l00002"></a><span class="lineno"> 2</span> <span
class="comment">// or more contributor license agreements. See the NOTICE
file</span></div><div class="line"><a name="l00003"></a><span class="lineno">
3</span> <span class="comment">// distributed with this work for
additional information</span></div><div class="line"><a name="l00004"></a><span
class="lineno"> 4</span> <span class="comment">// regarding copyright
ownership. The ASF licenses this file</span></div><div class="line"><a
name="l00005"></a><span class="lineno"> 5</span> <span
class="comment">// to you under the Apache License, Version 2.0
(the</span></div><div class="line"><a name="l00006"></a><s
pan class="lineno"> 6</span> <span class="comment">//
"License"); you may not use this file except in
compliance</span></div><div class="line"><a name="l00007"></a><span
class="lineno"> 7</span> <span class="comment">// with the License.
You may obtain a copy of the License at</span></div><div class="line"><a
name="l00008"></a><span class="lineno"> 8</span> <span
class="comment">//</span></div><div class="line"><a name="l00009"></a><span
class="lineno"> 9</span> <span class="comment">//
http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a
name="l00010"></a><span class="lineno"> 10</span> <span
class="comment">//</span></div><div class="line"><a name="l00011"></a><span
class="lineno"> 11</span> <span class="comment">// Unless required by
applicable law or agreed to in writing, software</span></div><div
class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span
class="comment">// di
stributed under the License is distributed on an "AS IS"
BASIS,</span></div><div class="line"><a name="l00013"></a><span class="lineno">
13</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied.</span></div><div class="line"><a
name="l00014"></a><span class="lineno"> 14</span> <span
class="comment">// See the License for the specific language governing
permissions and</span></div><div class="line"><a name="l00015"></a><span
class="lineno"> 15</span> <span class="comment">// limitations under the
License.</span></div><div class="line"><a name="l00016"></a><span
class="lineno"> 16</span> </div><div class="line"><a
name="l00017"></a><span class="lineno"> 17</span> <span
class="preprocessor">#ifndef
__SLAVE_CONTAINER_LOGGER_LIB_LOGROTATE_HPP__</span></div><div class="line"><a
name="l00018"></a><span class="lineno"> 18</span> <span
class="preprocessor">#define __SLAVE_CONTAINER_LOGGER_LI
B_LOGROTATE_HPP__</span></div><div class="line"><a name="l00019"></a><span
class="lineno"> 19</span> </div><div class="line"><a
name="l00020"></a><span class="lineno"> 20</span> <span
class="preprocessor">#include <stdio.h></span></div><div class="line"><a
name="l00021"></a><span class="lineno"> 21</span> </div><div
class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span
class="preprocessor">#include <<a class="code"
href="slave_2container__logger_8hpp.html">mesos/slave/container_logger.hpp</a>></span></div><div
class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span
class="preprocessor">#include <<a class="code"
href="include_2mesos_2slave_2containerizer_8hpp.html">mesos/slave/containerizer.hpp</a>></span></div><div
class="line"><a name="l00024"></a><span class="lineno">
24</span> </div><div class="line"><a name="l00025"></a><span
class="lineno"> 25</span> <span class="preprocessor">#
include <<a class="code"
href="bytes_8hpp.html">stout/bytes.hpp</a>></span></div><div class="line"><a
name="l00026"></a><span class="lineno"> 26</span> <span
class="preprocessor">#include <<a class="code"
href="3rdparty_2stout_2include_2stout_2flags_8hpp.html">stout/flags.hpp</a>></span></div><div
class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span
class="preprocessor">#include <<a class="code"
href="option_8hpp.html">stout/option.hpp</a>></span></div><div
class="line"><a name="l00028"></a><span class="lineno">
28</span> </div><div class="line"><a name="l00029"></a><span
class="lineno"> 29</span> <span class="preprocessor">#include <<a
class="code"
href="3rdparty_2stout_2include_2stout_2os_2constants_8hpp.html">stout/os/constants.hpp</a>></span></div><div
class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span
class="preprocessor">#include <<a class="code" href="exists_8hpp.html">stout/
os/exists.hpp</a>></span></div><div class="line"><a name="l00031"></a><span
class="lineno"> 31</span> <span class="preprocessor">#include <<a
class="code"
href="pagesize_8hpp.html">stout/os/pagesize.hpp</a>></span></div><div
class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span
class="preprocessor">#include <<a class="code"
href="shell_8hpp.html">stout/os/shell.hpp</a>></span></div><div
class="line"><a name="l00033"></a><span class="lineno">
33</span> </div><div class="line"><a name="l00034"></a><span
class="lineno"> 34</span> <span class="preprocessor">#include "<a
class="code"
href="logrotate_8hpp.html">slave/container_loggers/logrotate.hpp</a>"</span></div><div
class="line"><a name="l00035"></a><span class="lineno">
35</span> </div><div class="line"><a name="l00036"></a><span
class="lineno"> 36</span> <span class="keyword">namespace </span><a
class="code" href="namespacemesos.html">mesos</a> {</d
iv><div class="line"><a name="l00037"></a><span class="lineno">
37</span> <span class="keyword">namespace </span><a class="code"
href="namespaceinternal.html">internal</a> {</div><div class="line"><a
name="l00038"></a><span class="lineno"><a class="line"
href="namespacemesos_1_1internal_1_1logger.html"> 38</a></span> <span
class="keyword">namespace </span>logger {</div><div class="line"><a
name="l00039"></a><span class="lineno"> 39</span> </div><div
class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span
class="comment">// Forward declaration.</span></div><div class="line"><a
name="l00041"></a><span class="lineno"> 41</span> <span
class="keyword">class </span>LogrotateContainerLoggerProcess;</div><div
class="line"><a name="l00042"></a><span class="lineno">
42</span> </div><div class="line"><a name="l00043"></a><span
class="lineno"> 43</span> </div><div class="line"><a
name="l00044"></a><span class="lineno"> 44</span>
 <span class="comment">// These flags are loaded twice: once when the
`ContainerLogger` module</span></div><div class="line"><a
name="l00045"></a><span class="lineno"> 45</span> <span
class="comment">// is created and each time before launching containers. The
flags loaded</span></div><div class="line"><a name="l00046"></a><span
class="lineno"> 46</span> <span class="comment">// at module creation
act as global default values, whereas flags loaded</span></div><div
class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span
class="comment">// prior to containers can override the global
values.</span></div><div class="line"><a name="l00048"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html">
48</a></span> <span class="keyword">struct </span><a class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html">LoggerFlags</a> :
<span class="keyword">public</span> <span class="keyword"
>virtual</span> <a class="code"
>href="classflags_1_1FlagsBase.html">flags::FlagsBase</a></div><div
>class="line"><a name="l00049"></a><span class="lineno">
>49</span> {</div><div class="line"><a name="l00050"></a><span
>class="lineno"><a class="line"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a1652e5364feb93134ce12474b77e4bbc">
> 50</a></span>  <a class="code"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a1652e5364feb93134ce12474b77e4bbc">LoggerFlags</a>()</div><div
> class="line"><a name="l00051"></a><span class="lineno"> 51</span> 
>{</div><div class="line"><a name="l00052"></a><span class="lineno">
>52</span>  <a class="code"
>href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
> class="code"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a01e0b855bccba47e5e8cf51923c043dd">LoggerFlags::max_stdout_size</a>,</div><div
> class="line"><a name="l00053"></a><span class="lineno"> 53</span
>  <span
>class="stringliteral">"max_stdout_size"</span>,</div><div
>class="line"><a name="l00054"></a><span class="lineno"> 54</span> 
> <span class="stringliteral">"Maximum size, in bytes, of a single
>stdout log file.\n"</span></div><div class="line"><a
>name="l00055"></a><span class="lineno"> 55</span>  <span
>class="stringliteral">"Defaults to 10 MB. Must be at least 1 (memory)
>page."</span>,</div><div class="line"><a name="l00056"></a><span
>class="lineno"> 56</span>  <a class="code"
>href="bytes_8hpp.html#a5d8fe3ccbf9cafff06846c05b3ca864b">Megabytes</a>(10),</div><div
> class="line"><a name="l00057"></a><span class="lineno"> 57</span> 
> &<a class="code"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a6f16e6c1a4ea3d53a938706f9d215fdf">LoggerFlags::validateSize</a>);</div><div
> class="line"><a name="l00058"></a><span class="lineno">
>58</span> </div><div class="line"><a
name="l00059"></a><span class="lineno"> 59</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a701cd92419a47af88b8b3e69596dc9fe">LoggerFlags::logrotate_stdout_options</a>,</div><div
class="line"><a name="l00060"></a><span class="lineno"> 60</span> 
<span
class="stringliteral">"logrotate_stdout_options"</span>,</div><div
class="line"><a name="l00061"></a><span class="lineno"> 61</span> 
<span class="stringliteral">"Additional config options to pass into
'logrotate' for stdout.\n"</span></div><div class="line"><a
name="l00062"></a><span class="lineno"> 62</span>  <span
class="stringliteral">"This string will be inserted into a
'logrotate' configuration file.\n"</span></div><div
class="line"><a name="l00063"></a><span class="lineno"> 63</span> 
<
span class="stringliteral">"i.e.\n"</span></div><div class="line"><a
name="l00064"></a><span class="lineno"> 64</span>  <span
class="stringliteral">" /path/to/stdout {\n"</span></div><div
class="line"><a name="l00065"></a><span class="lineno"> 65</span> 
<span class="stringliteral">"
<logrotate_stdout_options>\n"</span></div><div class="line"><a
name="l00066"></a><span class="lineno"> 66</span>  <span
class="stringliteral">" size
<max_stdout_size>\n"</span></div><div class="line"><a
name="l00067"></a><span class="lineno"> 67</span>  <span
class="stringliteral">" }\n"</span></div><div class="line"><a
name="l00068"></a><span class="lineno"> 68</span>  <span
class="stringliteral">"NOTE: The 'size' option will be overridden
by this module."</span>);</div><div class="line"><a
name="l00069"></a><span class="lineno"> 69</span> 
</div><div class="line"><a name="l00070"></a><span class="lineno">
70</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a324f6d7bd9a854fb74465d84cbfffd46">LoggerFlags::max_stderr_size</a>,</div><div
class="line"><a name="l00071"></a><span class="lineno"> 71</span> 
<span class="stringliteral">"max_stderr_size"</span>,</div><div
class="line"><a name="l00072"></a><span class="lineno"> 72</span> 
<span class="stringliteral">"Maximum size, in bytes, of a single stderr
log file.\n"</span></div><div class="line"><a name="l00073"></a><span
class="lineno"> 73</span>  <span
class="stringliteral">"Defaults to 10 MB. Must be at least 1 (memory)
page."</span>,</div><div class="line"><a name="l00074"></a><span
class="lineno"> 74</span>  <a class="code" href="bytes_8hpp.
html#a5d8fe3ccbf9cafff06846c05b3ca864b">Megabytes</a>(10),</div><div
class="line"><a name="l00075"></a><span class="lineno"> 75</span> 
&<a class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a6f16e6c1a4ea3d53a938706f9d215fdf">LoggerFlags::validateSize</a>);</div><div
class="line"><a name="l00076"></a><span class="lineno">
76</span> </div><div class="line"><a name="l00077"></a><span
class="lineno"> 77</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a07b215b9a9fb3a2fae1671574314e2d2">LoggerFlags::logrotate_stderr_options</a>,</div><div
class="line"><a name="l00078"></a><span class="lineno"> 78</span> 
<span
class="stringliteral">"logrotate_stderr_options"</span>,</div><div
class="line"><a name="l00079"></a><span class="lineno"> 79</span> 
<span class="stringl
iteral">"Additional config options to pass into 'logrotate' for
stderr.\n"</span></div><div class="line"><a name="l00080"></a><span
class="lineno"> 80</span>  <span class="stringliteral">"This
string will be inserted into a 'logrotate' configuration
file.\n"</span></div><div class="line"><a name="l00081"></a><span
class="lineno"> 81</span>  <span
class="stringliteral">"i.e.\n"</span></div><div class="line"><a
name="l00082"></a><span class="lineno"> 82</span>  <span
class="stringliteral">" /path/to/stderr {\n"</span></div><div
class="line"><a name="l00083"></a><span class="lineno"> 83</span> 
<span class="stringliteral">"
<logrotate_stderr_options>\n"</span></div><div class="line"><a
name="l00084"></a><span class="lineno"> 84</span>  <span
class="stringliteral">" size
<max_stderr_size>\n"</span></div><div class="line"><a
name="l00085"></a><span class="lineno"> 85</span>  <span
class="stringliteral">" }\n"</span></div><div class="line"><a
name="l00086"></a><span class="lineno"> 86</span>  <span
class="stringliteral">"NOTE: The 'size' option will be overridden
by this module."</span>);</div><div class="line"><a
name="l00087"></a><span class="lineno"> 87</span>  }</div><div
class="line"><a name="l00088"></a><span class="lineno">
88</span> </div><div class="line"><a name="l00089"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a6f16e6c1a4ea3d53a938706f9d215fdf">
89</a></span>  <span class="keyword">static</span> <a class="code"
href="classOption.html">Option<Error></a> <a class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a6f16e6c1a4ea3d53a938706f9d215fdf">validateSize</a>(<span
class="keyword">const</span> <a class="code" href="classBytes.html"
>Bytes</a>& value)</div><div class="line"><a name="l00090"></a><span
>class="lineno"> 90</span>  {</div><div class="line"><a
>name="l00091"></a><span class="lineno"> 91</span>  <span
>class="keywordflow">if</span> (value.<a class="code"
>href="classBytes.html#a1a2e9277ebe7d227a21f111898c49a8c">bytes</a>() < <a
>class="code"
>href="namespaceos.html#af0898f40a19c3804347e30b9efa0984a">os::pagesize</a>())
>{</div><div class="line"><a name="l00092"></a><span class="lineno">
>92</span>  <span class="keywordflow">return</span> <a class="code"
>href="classError.html">Error</a>(</div><div class="line"><a
>name="l00093"></a><span class="lineno"> 93</span>  <span
>class="stringliteral">"Expected --max_stdout_size and --max_stderr_size
>of "</span></div><div class="line"><a name="l00094"></a><span
>class="lineno"> 94</span>  <span
>class="stringliteral">"at least "</span> + <a class="code"
>href="namespacens.html#a28116b4
6e6543597a11733424cd1aa20">stringify</a>(<a class="code"
href="namespaceos.html#af0898f40a19c3804347e30b9efa0984a">os::pagesize</a>()) +
<span class="stringliteral">" bytes"</span>);</div><div
class="line"><a name="l00095"></a><span class="lineno"> 95</span> 
}</div><div class="line"><a name="l00096"></a><span class="lineno">
96</span> </div><div class="line"><a name="l00097"></a><span
class="lineno"> 97</span>  <span class="keywordflow">return</span> <a
class="code" href="structNone.html">None</a>();</div><div class="line"><a
name="l00098"></a><span class="lineno"> 98</span>  }</div><div
class="line"><a name="l00099"></a><span class="lineno">
99</span> </div><div class="line"><a name="l00100"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a01e0b855bccba47e5e8cf51923c043dd">
100</a></span>  <a class="code" href="classBytes.html">Bytes</a> <a
class="code" href="structmesos
_1_1internal_1_1logger_1_1LoggerFlags.html#a01e0b855bccba47e5e8cf51923c043dd">max_stdout_size</a>;</div><div
class="line"><a name="l00101"></a><span class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a701cd92419a47af88b8b3e69596dc9fe">
101</a></span>  <a class="code"
href="classOption.html">Option<std::string></a> <a class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a701cd92419a47af88b8b3e69596dc9fe">logrotate_stdout_options</a>;</div><div
class="line"><a name="l00102"></a><span class="lineno">
102</span> </div><div class="line"><a name="l00103"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a324f6d7bd9a854fb74465d84cbfffd46">
103</a></span>  <a class="code" href="classBytes.html">Bytes</a> <a
class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a324f6d7bd9a854fb74465d84cbfffd46">max_stderr_size</a>;</div><div
class="line"
><a name="l00104"></a><span class="lineno"><a class="line"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a07b215b9a9fb3a2fae1671574314e2d2">
> 104</a></span>  <a class="code"
>href="classOption.html">Option<std::string></a> <a class="code"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a07b215b9a9fb3a2fae1671574314e2d2">logrotate_stderr_options</a>;</div><div
> class="line"><a name="l00105"></a><span class="lineno">
>105</span> };</div><div class="line"><a name="l00106"></a><span
>class="lineno"> 106</span> </div><div class="line"><a
>name="l00107"></a><span class="lineno"> 107</span> </div><div
>class="line"><a name="l00108"></a><span class="lineno"><a class="line"
>href="structmesos_1_1internal_1_1logger_1_1Flags.html">
>108</a></span> <span class="keyword">struct </span><a class="code"
>href="structmesos_1_1internal_1_1logger_1_1Flags.html">Flags</a> : <span
>class="keyword">public</span> <span class="keyword">virtual</span> <a c
lass="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html">LoggerFlags</a></div><div
class="line"><a name="l00109"></a><span class="lineno">
109</span> {</div><div class="line"><a name="l00110"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#afe7186ad5e403a2afd95cf7021f4d195">
110</a></span>  <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#afe7186ad5e403a2afd95cf7021f4d195">Flags</a>()</div><div
class="line"><a name="l00111"></a><span class="lineno"> 111</span> 
{</div><div class="line"><a name="l00112"></a><span class="lineno">
112</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a4a5d15a242a55783cf676b2fa799e360">Flags::environment_variable_prefix</a>,</div><div
class="line"><a name="l00113"></a><span class="lineno"> 113</span> 
<sp
an
class="stringliteral">"environment_variable_prefix"</span>,</div><div
class="line"><a name="l00114"></a><span class="lineno"> 114</span> 
<span class="stringliteral">"Prefix for environment variables meant to
modify the behavior of\n"</span></div><div class="line"><a
name="l00115"></a><span class="lineno"> 115</span>  <span
class="stringliteral">"the logrotate logger for the specific container
being launched.\n"</span></div><div class="line"><a
name="l00116"></a><span class="lineno"> 116</span>  <span
class="stringliteral">"The logger will look for four prefixed environment
variables in the\n"</span></div><div class="line"><a
name="l00117"></a><span class="lineno"> 117</span>  <span
class="stringliteral">"container's 'CommandInfo's
'Environment':\n"</span></div><div class="line"><a
name="l00118"></a><span class="lineno"> 118</span>  <span class="s
tringliteral">" * MAX_STDOUT_SIZE\n"</span></div><div
class="line"><a name="l00119"></a><span class="lineno"> 119</span> 
<span class="stringliteral">" *
LOGROTATE_STDOUT_OPTIONS\n"</span></div><div class="line"><a
name="l00120"></a><span class="lineno"> 120</span>  <span
class="stringliteral">" * MAX_STDERR_SIZE\n"</span></div><div
class="line"><a name="l00121"></a><span class="lineno"> 121</span> 
<span class="stringliteral">" *
LOGROTATE_STDERR_OPTIONS\n"</span></div><div class="line"><a
name="l00122"></a><span class="lineno"> 122</span>  <span
class="stringliteral">"If present, these variables will overwrite the
global values set\n"</span></div><div class="line"><a
name="l00123"></a><span class="lineno"> 123</span>  <span
class="stringliteral">"via module parameters."</span>,</div><div
class="line"><a name="l00124"></a><span class="lineno"> 124</span>
  <span
class="stringliteral">"CONTAINER_LOGGER_"</span>);</div><div
class="line"><a name="l00125"></a><span class="lineno">
125</span> </div><div class="line"><a name="l00126"></a><span
class="lineno"> 126</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a68a07a76e5b8842c754852a424d12525">Flags::launcher_dir</a>,</div><div
class="line"><a name="l00127"></a><span class="lineno"> 127</span> 
<span class="stringliteral">"launcher_dir"</span>,</div><div
class="line"><a name="l00128"></a><span class="lineno"> 128</span> 
<span class="stringliteral">"Directory path of Mesos binaries. The
logrotate container logger\n"</span></div><div class="line"><a
name="l00129"></a><span class="lineno"> 129</span>  <span
class="stringliteral">"will find the '"</span>
+ <a class="code"
href="namespacemesos_1_1internal_1_1logger_1_1rotate.html#aee5dc359a1b6d22c5d912b166c895854">mesos::internal::logger::rotate::NAME</a>
+ <span class="stringliteral">"'\n"</span></div><div
class="line"><a name="l00130"></a><span class="lineno"> 130</span> 
<span class="stringliteral">"binary file under this
directory."</span>,</div><div class="line"><a name="l00131"></a><span
class="lineno"> 131</span>  PKGLIBEXECDIR,</div><div
class="line"><a name="l00132"></a><span class="lineno"> 132</span> 
[](<span class="keyword">const</span> std::string& value) -> <a
class="code" href="classOption.html">Option<Error></a> {</div><div
class="line"><a name="l00133"></a><span class="lineno"> 133</span> 
std::string executablePath =</div><div class="line"><a
name="l00134"></a><span class="lineno"> 134</span>  <a
class="code" href="namespacepath.html#aa86b16a2171cec90bb333793
0513ef0f">path::join</a>(value, <a class="code"
href="namespacemesos_1_1internal_1_1logger_1_1rotate.html#aee5dc359a1b6d22c5d912b166c895854">mesos::internal::logger::rotate::NAME</a>);</div><div
class="line"><a name="l00135"></a><span class="lineno">
135</span> </div><div class="line"><a name="l00136"></a><span
class="lineno"> 136</span>  <span class="keywordflow">if</span>
(!<a class="code"
href="namespaceos.html#a69b3969276ffa4cb698b9431ee43bd7c">os::exists</a>(executablePath))
{</div><div class="line"><a name="l00137"></a><span class="lineno">
137</span>  <span class="keywordflow">return</span> <a
class="code" href="classError.html">Error</a>(<span
class="stringliteral">"Cannot find: "</span> +
executablePath);</div><div class="line"><a name="l00138"></a><span
class="lineno"> 138</span>  }</div><div class="line"><a
name="l00139"></a><span class="lineno"> 139</span> </div><div
class="line"><a name="l00140"></a><s
pan class="lineno"> 140</span>  <span
class="keywordflow">return</span> <a class="code"
href="structNone.html">None</a>();</div><div class="line"><a
name="l00141"></a><span class="lineno"> 141</span>  });</div><div
class="line"><a name="l00142"></a><span class="lineno">
142</span> </div><div class="line"><a name="l00143"></a><span
class="lineno"> 143</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#abd0de016d5754244dccafb3d0311bf1c">Flags::logrotate_path</a>,</div><div
class="line"><a name="l00144"></a><span class="lineno"> 144</span> 
<span class="stringliteral">"logrotate_path"</span>,</div><div
class="line"><a name="l00145"></a><span class="lineno"> 145</span> 
<span class="stringliteral">"If specified, the logrotate container logger
will use the specified\n"</span><
/div><div class="line"><a name="l00146"></a><span class="lineno">
146</span>  <span class="stringliteral">"'logrotate'
instead of the system's 'logrotate'."</span>,</div><div
class="line"><a name="l00147"></a><span class="lineno"> 147</span> 
<span class="stringliteral">"logrotate"</span>,</div><div
class="line"><a name="l00148"></a><span class="lineno"> 148</span> 
[](<span class="keyword">const</span> std::string& value) -> <a
class="code" href="classOption.html">Option<Error></a> {</div><div
class="line"><a name="l00149"></a><span class="lineno"> 149</span> 
<span class="comment">// Check if `logrotate` exists via the help
command.</span></div><div class="line"><a name="l00150"></a><span
class="lineno"> 150</span>  <span class="comment">//
TODO(josephw): Consider a more comprehensive check.</span></div><div
class="line"><a name="l00151"></a><span class="lineno
"> 151</span>  <a class="code"
href="classTry.html">Try<std::string></a> helpCommand =</div><div
class="line"><a name="l00152"></a><span class="lineno"> 152</span> 
<a class="code"
href="namespaceos.html#a0d86320d7799ea761599bc356c02a4fa">os::shell</a>(value +
<span class="stringliteral">" --help > "</span> + <a class="code"
href="namespaceos.html#a8d90278daa51c4fe9fcb9e54757187b5">os::DEV_NULL</a>);</div><div
class="line"><a name="l00153"></a><span class="lineno">
153</span> </div><div class="line"><a name="l00154"></a><span
class="lineno"> 154</span>  <span class="keywordflow">if</span>
(helpCommand.<a class="code"
href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>())
{</div><div class="line"><a name="l00155"></a><span class="lineno">
155</span>  <span class="keywordflow">return</span> <a
class="code" href="classError.html">Error</a>(</div><div class="line"><a
name="l00156"></a
><span class="lineno"> 156</span>  <span
>class="stringliteral">"Failed to check logrotate: "</span> +
>helpCommand.<a class="code"
>href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div
> class="line"><a name="l00157"></a><span class="lineno"> 157</span> 
> }</div><div class="line"><a name="l00158"></a><span class="lineno">
>158</span> </div><div class="line"><a name="l00159"></a><span
>class="lineno"> 159</span>  <span
>class="keywordflow">return</span> <a class="code"
>href="structNone.html">None</a>();</div><div class="line"><a
>name="l00160"></a><span class="lineno"> 160</span> 
>});</div><div class="line"><a name="l00161"></a><span class="lineno">
>161</span> </div><div class="line"><a name="l00162"></a><span
>class="lineno"> 162</span>  <a class="code"
>href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
> class="code" href="structmesos_1_1in
ternal_1_1logger_1_1Flags.html#a70d12161362a3aa5da5a5ea0f55a7142">Flags::libprocess_num_worker_threads</a>,</div><div
class="line"><a name="l00163"></a><span class="lineno"> 163</span> 
<span
class="stringliteral">"libprocess_num_worker_threads"</span>,</div><div
class="line"><a name="l00164"></a><span class="lineno"> 164</span> 
<span class="stringliteral">"Number of Libprocess worker
threads.\n"</span></div><div class="line"><a name="l00165"></a><span
class="lineno"> 165</span>  <span
class="stringliteral">"Defaults to 8. Must be at least
1."</span>,</div><div class="line"><a name="l00166"></a><span
class="lineno"> 166</span>  8u,</div><div class="line"><a
name="l00167"></a><span class="lineno"> 167</span>  [](<span
class="keyword">const</span> <span class="keywordtype">size_t</span>&
value) -> <a class="code" href="classOption.html">Option<Error></a>
{</div><div class="lin
e"><a name="l00168"></a><span class="lineno"> 168</span>  <span
class="keywordflow">if</span> (value < 1u) {</div><div class="line"><a
name="l00169"></a><span class="lineno"> 169</span>  <span
class="keywordflow">return</span> <a class="code"
href="classError.html">Error</a>(</div><div class="line"><a
name="l00170"></a><span class="lineno"> 170</span>  <span
class="stringliteral">"Expected --libprocess_num_worker_threads of at
least 1"</span>);</div><div class="line"><a name="l00171"></a><span
class="lineno"> 171</span>  }</div><div class="line"><a
name="l00172"></a><span class="lineno"> 172</span> </div><div
class="line"><a name="l00173"></a><span class="lineno"> 173</span> 
<span class="keywordflow">return</span> <a class="code"
href="structNone.html">None</a>();</div><div class="line"><a
name="l00174"></a><span class="lineno"> 174</span>  });</div><div
class="line"><
a name="l00175"></a><span class="lineno"> 175</span>  }</div><div
class="line"><a name="l00176"></a><span class="lineno">
176</span> </div><div class="line"><a name="l00177"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a4a5d15a242a55783cf676b2fa799e360">
177</a></span>  std::string <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a4a5d15a242a55783cf676b2fa799e360">environment_variable_prefix</a>;</div><div
class="line"><a name="l00178"></a><span class="lineno">
178</span> </div><div class="line"><a name="l00179"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a68a07a76e5b8842c754852a424d12525">
179</a></span>  std::string <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a68a07a76e5b8842c754852a424d12525">launcher_dir</a>;</div><div
class="line"><a name="l00180"></a><span class="lineno"><a class="line"
href="struct
mesos_1_1internal_1_1logger_1_1Flags.html#abd0de016d5754244dccafb3d0311bf1c">
180</a></span>  std::string <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#abd0de016d5754244dccafb3d0311bf1c">logrotate_path</a>;</div><div
class="line"><a name="l00181"></a><span class="lineno">
181</span> </div><div class="line"><a name="l00182"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a70d12161362a3aa5da5a5ea0f55a7142">
182</a></span>  <span class="keywordtype">size_t</span> <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a70d12161362a3aa5da5a5ea0f55a7142">libprocess_num_worker_threads</a>;</div><div
class="line"><a name="l00183"></a><span class="lineno">
183</span> };</div><div class="line"><a name="l00184"></a><span
class="lineno"> 184</span> </div><div class="line"><a
name="l00185"></a><span class="lineno"> 185</span> </div><div
class="line"><a name="l00186"></a><sp
an class="lineno"> 186</span> <span class="comment">// The
`LogrotateContainerLogger` is a container logger that utilizes
the</span></div><div class="line"><a name="l00187"></a><span class="lineno">
187</span> <span class="comment">// `logrotate` utility to strictly
constrain total size of a container's</span></div><div class="line"><a
name="l00188"></a><span class="lineno"> 188</span> <span
class="comment">// stdout and stderr log files. All `logrotate` configuration
options</span></div><div class="line"><a name="l00189"></a><span
class="lineno"> 189</span> <span class="comment">// (besides `size`,
which this module uses) are supported. See `Flags` above.</span></div><div
class="line"><a name="l00190"></a><span class="lineno"><a class="line"
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html">
190</a></span> <span class="keyword">class </span><a class="code"
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.h
tml">LogrotateContainerLogger</a> : <span class="keyword">public</span> <a
class="code"
href="classmesos_1_1slave_1_1ContainerLogger.html">mesos::slave::ContainerLogger</a></div><div
class="line"><a name="l00191"></a><span class="lineno">
191</span> {</div><div class="line"><a name="l00192"></a><span
class="lineno"> 192</span> <span class="keyword">public</span>:</div><div
class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a
class="code"
href="namespacemesos_1_1internal_1_1tests.html#a61dcd7752a1b2bfc737b0f9b357191a6a29cdd8cd657c6eceab1bd280cdb1ba0f">LogrotateContainerLogger</a>(<span
class="keyword">const</span> <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html">Flags</a>&
_flags);</div><div class="line"><a name="l00194"></a><span class="lineno">
194</span> </div><div class="line"><a name="l00195"></a><span
class="lineno"> 195</span>  <span class="keyword">virtual</span> ~<a
class="code" href="classmesos_1_1i
nternal_1_1logger_1_1LogrotateContainerLogger.html">LogrotateContainerLogger</a>();</div><div
class="line"><a name="l00196"></a><span class="lineno">
196</span> </div><div class="line"><a name="l00197"></a><span
class="lineno"> 197</span>  <span class="comment">// This is a noop. The
logrotate container logger has nothing to initialize.</span></div><div
class="line"><a name="l00198"></a><span class="lineno"> 198</span> 
<span class="keyword">virtual</span> <a class="code"
href="classTry.html">Try<Nothing></a> <a class="code"
href="namespacesystemd.html#a4e45b8163baf6d307c9884d624472402">initialize</a>()
<span class="keyword">override</span>;</div><div class="line"><a
name="l00199"></a><span class="lineno"> 199</span> </div><div
class="line"><a name="l00200"></a><span class="lineno"> 200</span> 
<span class="keyword">virtual</span> <a class="code"
href="classprocess_1_1Future.html">process::Future<mesos::slave::ContainerIO></a>
<a class="c
ode"
href="namespacecgroups.html#a4bf20862574beb5b0f9af7799489866f">prepare</a>(</div><div
class="line"><a name="l00201"></a><span class="lineno"> 201</span> 
<span class="keyword">const</span> mesos::slave::ContainerConfig&
containerConfig) <span class="keyword">override</span>;</div><div
class="line"><a name="l00202"></a><span class="lineno">
202</span> </div><div class="line"><a name="l00203"></a><span
class="lineno"> 203</span> <span
class="keyword">protected</span>:</div><div class="line"><a
name="l00204"></a><span class="lineno"><a class="line"
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html#a9efe3b3bece6d7d2c43e8b6234df060d">
204</a></span>  <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html">Flags</a> <a
class="code"
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html#a9efe3b3bece6d7d2c43e8b6234df060d">flags</a>;</div><div
class="line"><a name="l00205"></a><span class="lineno"><a
class="line"
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html#abb34cdfbdc44341018b34fcd96db68fd">
205</a></span>  <a class="code"
href="classprocess_1_1Owned.html">process::Owned<LogrotateContainerLoggerProcess></a>
<a class="code"
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html#abb34cdfbdc44341018b34fcd96db68fd">process</a>;</div><div
class="line"><a name="l00206"></a><span class="lineno">
206</span> };</div><div class="line"><a name="l00207"></a><span
class="lineno"> 207</span> </div><div class="line"><a
name="l00208"></a><span class="lineno"> 208</span> } <span
class="comment">// namespace logger {</span></div><div class="line"><a
name="l00209"></a><span class="lineno"> 209</span> } <span
class="comment">// namespace internal {</span></div><div class="line"><a
name="l00210"></a><span class="lineno"> 210</span> } <span
class="comment">// namespace mesos {</span></div><div class="line"><a nam
e="l00211"></a><span class="lineno"> 211</span> </div><div
class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span
class="preprocessor">#endif //
__SLAVE_CONTAINER_LOGGER_LIB_LOGROTATE_HPP__</span></div><div class="ttc"
id="namespaceos_html_a69b3969276ffa4cb698b9431ee43bd7c"><div class="ttname"><a
href="namespaceos.html#a69b3969276ffa4cb698b9431ee43bd7c">os::exists</a></div><div
class="ttdeci">bool exists(const std::string &path)</div><div
class="ttdef"><b>Definition:</b> exists.hpp:26</div></div>
+<a href="lib__logrotate_8hpp.html">Go to the documentation of this
file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span
class="lineno"> 1</span> <span class="comment">// Licensed to the
Apache Software Foundation (ASF) under one</span></div><div class="line"><a
name="l00002"></a><span class="lineno"> 2</span> <span
class="comment">// or more contributor license agreements. See the NOTICE
file</span></div><div class="line"><a name="l00003"></a><span class="lineno">
3</span> <span class="comment">// distributed with this work for
additional information</span></div><div class="line"><a name="l00004"></a><span
class="lineno"> 4</span> <span class="comment">// regarding copyright
ownership. The ASF licenses this file</span></div><div class="line"><a
name="l00005"></a><span class="lineno"> 5</span> <span
class="comment">// to you under the Apache License, Version 2.0
(the</span></div><div class="line"><a name="l00006"></a><s
pan class="lineno"> 6</span> <span class="comment">//
"License"); you may not use this file except in
compliance</span></div><div class="line"><a name="l00007"></a><span
class="lineno"> 7</span> <span class="comment">// with the License.
You may obtain a copy of the License at</span></div><div class="line"><a
name="l00008"></a><span class="lineno"> 8</span> <span
class="comment">//</span></div><div class="line"><a name="l00009"></a><span
class="lineno"> 9</span> <span class="comment">//
http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a
name="l00010"></a><span class="lineno"> 10</span> <span
class="comment">//</span></div><div class="line"><a name="l00011"></a><span
class="lineno"> 11</span> <span class="comment">// Unless required by
applicable law or agreed to in writing, software</span></div><div
class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span
class="comment">// di
stributed under the License is distributed on an "AS IS"
BASIS,</span></div><div class="line"><a name="l00013"></a><span class="lineno">
13</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied.</span></div><div class="line"><a
name="l00014"></a><span class="lineno"> 14</span> <span
class="comment">// See the License for the specific language governing
permissions and</span></div><div class="line"><a name="l00015"></a><span
class="lineno"> 15</span> <span class="comment">// limitations under the
License.</span></div><div class="line"><a name="l00016"></a><span
class="lineno"> 16</span> </div><div class="line"><a
name="l00017"></a><span class="lineno"> 17</span> <span
class="preprocessor">#ifndef
__SLAVE_CONTAINER_LOGGER_LIB_LOGROTATE_HPP__</span></div><div class="line"><a
name="l00018"></a><span class="lineno"> 18</span> <span
class="preprocessor">#define __SLAVE_CONTAINER_LOGGER_LI
B_LOGROTATE_HPP__</span></div><div class="line"><a name="l00019"></a><span
class="lineno"> 19</span> </div><div class="line"><a
name="l00020"></a><span class="lineno"> 20</span> <span
class="preprocessor">#include <stdio.h></span></div><div class="line"><a
name="l00021"></a><span class="lineno"> 21</span> </div><div
class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span
class="preprocessor">#include <<a class="code"
href="slave_2container__logger_8hpp.html">mesos/slave/container_logger.hpp</a>></span></div><div
class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span
class="preprocessor">#include <<a class="code"
href="include_2mesos_2slave_2containerizer_8hpp.html">mesos/slave/containerizer.hpp</a>></span></div><div
class="line"><a name="l00024"></a><span class="lineno">
24</span> </div><div class="line"><a name="l00025"></a><span
class="lineno"> 25</span> <span class="preprocessor">#
include <<a class="code"
href="bytes_8hpp.html">stout/bytes.hpp</a>></span></div><div class="line"><a
name="l00026"></a><span class="lineno"> 26</span> <span
class="preprocessor">#include <<a class="code"
href="3rdparty_2stout_2include_2stout_2flags_8hpp.html">stout/flags.hpp</a>></span></div><div
class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span
class="preprocessor">#include <<a class="code"
href="option_8hpp.html">stout/option.hpp</a>></span></div><div
class="line"><a name="l00028"></a><span class="lineno">
28</span> </div><div class="line"><a name="l00029"></a><span
class="lineno"> 29</span> <span class="preprocessor">#include <<a
class="code"
href="3rdparty_2stout_2include_2stout_2os_2constants_8hpp.html">stout/os/constants.hpp</a>></span></div><div
class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span
class="preprocessor">#include <<a class="code" href="exists_8hpp.html">stout/
os/exists.hpp</a>></span></div><div class="line"><a name="l00031"></a><span
class="lineno"> 31</span> <span class="preprocessor">#include <<a
class="code"
href="pagesize_8hpp.html">stout/os/pagesize.hpp</a>></span></div><div
class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span
class="preprocessor">#include <<a class="code"
href="shell_8hpp.html">stout/os/shell.hpp</a>></span></div><div
class="line"><a name="l00033"></a><span class="lineno">
33</span> </div><div class="line"><a name="l00034"></a><span
class="lineno"> 34</span> <span class="preprocessor">#include "<a
class="code"
href="logrotate_8hpp.html">slave/container_loggers/logrotate.hpp</a>"</span></div><div
class="line"><a name="l00035"></a><span class="lineno">
35</span> </div><div class="line"><a name="l00036"></a><span
class="lineno"> 36</span> <span class="keyword">namespace </span><a
class="code" href="namespacemesos.html">mesos</a> {</d
iv><div class="line"><a name="l00037"></a><span class="lineno">
37</span> <span class="keyword">namespace </span><a class="code"
href="namespaceinternal.html">internal</a> {</div><div class="line"><a
name="l00038"></a><span class="lineno"><a class="line"
href="namespacemesos_1_1internal_1_1logger.html"> 38</a></span> <span
class="keyword">namespace </span>logger {</div><div class="line"><a
name="l00039"></a><span class="lineno"> 39</span> </div><div
class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span
class="comment">// Forward declaration.</span></div><div class="line"><a
name="l00041"></a><span class="lineno"> 41</span> <span
class="keyword">class </span>LogrotateContainerLoggerProcess;</div><div
class="line"><a name="l00042"></a><span class="lineno">
42</span> </div><div class="line"><a name="l00043"></a><span
class="lineno"> 43</span> </div><div class="line"><a
name="l00044"></a><span class="lineno"> 44</span>
 <span class="comment">// These flags are loaded twice: once when the
`ContainerLogger` module</span></div><div class="line"><a
name="l00045"></a><span class="lineno"> 45</span> <span
class="comment">// is created and each time before launching containers. The
flags loaded</span></div><div class="line"><a name="l00046"></a><span
class="lineno"> 46</span> <span class="comment">// at module creation
act as global default values, whereas flags loaded</span></div><div
class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span
class="comment">// prior to containers can override the global
values.</span></div><div class="line"><a name="l00048"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html">
48</a></span> <span class="keyword">struct </span><a class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html">LoggerFlags</a> :
<span class="keyword">public</span> <span class="keyword"
>virtual</span> <a class="code"
>href="classflags_1_1FlagsBase.html">flags::FlagsBase</a></div><div
>class="line"><a name="l00049"></a><span class="lineno">
>49</span> {</div><div class="line"><a name="l00050"></a><span
>class="lineno"><a class="line"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a1652e5364feb93134ce12474b77e4bbc">
> 50</a></span>  <a class="code"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a1652e5364feb93134ce12474b77e4bbc">LoggerFlags</a>()</div><div
> class="line"><a name="l00051"></a><span class="lineno"> 51</span> 
>{</div><div class="line"><a name="l00052"></a><span class="lineno">
>52</span>  <a class="code"
>href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
> class="code"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a01e0b855bccba47e5e8cf51923c043dd">LoggerFlags::max_stdout_size</a>,</div><div
> class="line"><a name="l00053"></a><span class="lineno"> 53</span
>  <span
>class="stringliteral">"max_stdout_size"</span>,</div><div
>class="line"><a name="l00054"></a><span class="lineno"> 54</span> 
> <span class="stringliteral">"Maximum size, in bytes, of a single
>stdout log file.\n"</span></div><div class="line"><a
>name="l00055"></a><span class="lineno"> 55</span>  <span
>class="stringliteral">"Defaults to 10 MB. Must be at least 1 (memory)
>page."</span>,</div><div class="line"><a name="l00056"></a><span
>class="lineno"> 56</span>  <a class="code"
>href="bytes_8hpp.html#a5d8fe3ccbf9cafff06846c05b3ca864b">Megabytes</a>(10),</div><div
> class="line"><a name="l00057"></a><span class="lineno"> 57</span> 
> &<a class="code"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a6f16e6c1a4ea3d53a938706f9d215fdf">LoggerFlags::validateSize</a>);</div><div
> class="line"><a name="l00058"></a><span class="lineno">
>58</span> </div><div class="line"><a
name="l00059"></a><span class="lineno"> 59</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a701cd92419a47af88b8b3e69596dc9fe">LoggerFlags::logrotate_stdout_options</a>,</div><div
class="line"><a name="l00060"></a><span class="lineno"> 60</span> 
<span
class="stringliteral">"logrotate_stdout_options"</span>,</div><div
class="line"><a name="l00061"></a><span class="lineno"> 61</span> 
<span class="stringliteral">"Additional config options to pass into
'logrotate' for stdout.\n"</span></div><div class="line"><a
name="l00062"></a><span class="lineno"> 62</span>  <span
class="stringliteral">"This string will be inserted into a
'logrotate' configuration file.\n"</span></div><div
class="line"><a name="l00063"></a><span class="lineno"> 63</span> 
<
span class="stringliteral">"i.e.\n"</span></div><div class="line"><a
name="l00064"></a><span class="lineno"> 64</span>  <span
class="stringliteral">" /path/to/stdout {\n"</span></div><div
class="line"><a name="l00065"></a><span class="lineno"> 65</span> 
<span class="stringliteral">"
<logrotate_stdout_options>\n"</span></div><div class="line"><a
name="l00066"></a><span class="lineno"> 66</span>  <span
class="stringliteral">" size
<max_stdout_size>\n"</span></div><div class="line"><a
name="l00067"></a><span class="lineno"> 67</span>  <span
class="stringliteral">" }\n"</span></div><div class="line"><a
name="l00068"></a><span class="lineno"> 68</span>  <span
class="stringliteral">"NOTE: The 'size' option will be overridden
by this module."</span>);</div><div class="line"><a
name="l00069"></a><span class="lineno"> 69</span> 
</div><div class="line"><a name="l00070"></a><span class="lineno">
70</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a324f6d7bd9a854fb74465d84cbfffd46">LoggerFlags::max_stderr_size</a>,</div><div
class="line"><a name="l00071"></a><span class="lineno"> 71</span> 
<span class="stringliteral">"max_stderr_size"</span>,</div><div
class="line"><a name="l00072"></a><span class="lineno"> 72</span> 
<span class="stringliteral">"Maximum size, in bytes, of a single stderr
log file.\n"</span></div><div class="line"><a name="l00073"></a><span
class="lineno"> 73</span>  <span
class="stringliteral">"Defaults to 10 MB. Must be at least 1 (memory)
page."</span>,</div><div class="line"><a name="l00074"></a><span
class="lineno"> 74</span>  <a class="code" href="bytes_8hpp.
html#a5d8fe3ccbf9cafff06846c05b3ca864b">Megabytes</a>(10),</div><div
class="line"><a name="l00075"></a><span class="lineno"> 75</span> 
&<a class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a6f16e6c1a4ea3d53a938706f9d215fdf">LoggerFlags::validateSize</a>);</div><div
class="line"><a name="l00076"></a><span class="lineno">
76</span> </div><div class="line"><a name="l00077"></a><span
class="lineno"> 77</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a07b215b9a9fb3a2fae1671574314e2d2">LoggerFlags::logrotate_stderr_options</a>,</div><div
class="line"><a name="l00078"></a><span class="lineno"> 78</span> 
<span
class="stringliteral">"logrotate_stderr_options"</span>,</div><div
class="line"><a name="l00079"></a><span class="lineno"> 79</span> 
<span class="stringl
iteral">"Additional config options to pass into 'logrotate' for
stderr.\n"</span></div><div class="line"><a name="l00080"></a><span
class="lineno"> 80</span>  <span class="stringliteral">"This
string will be inserted into a 'logrotate' configuration
file.\n"</span></div><div class="line"><a name="l00081"></a><span
class="lineno"> 81</span>  <span
class="stringliteral">"i.e.\n"</span></div><div class="line"><a
name="l00082"></a><span class="lineno"> 82</span>  <span
class="stringliteral">" /path/to/stderr {\n"</span></div><div
class="line"><a name="l00083"></a><span class="lineno"> 83</span> 
<span class="stringliteral">"
<logrotate_stderr_options>\n"</span></div><div class="line"><a
name="l00084"></a><span class="lineno"> 84</span>  <span
class="stringliteral">" size
<max_stderr_size>\n"</span></div><div class="line"><a
name="l00085"></a><span class="lineno"> 85</span>  <span
class="stringliteral">" }\n"</span></div><div class="line"><a
name="l00086"></a><span class="lineno"> 86</span>  <span
class="stringliteral">"NOTE: The 'size' option will be overridden
by this module."</span>);</div><div class="line"><a
name="l00087"></a><span class="lineno"> 87</span>  }</div><div
class="line"><a name="l00088"></a><span class="lineno">
88</span> </div><div class="line"><a name="l00089"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a6f16e6c1a4ea3d53a938706f9d215fdf">
89</a></span>  <span class="keyword">static</span> <a class="code"
href="classOption.html">Option<Error></a> <a class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a6f16e6c1a4ea3d53a938706f9d215fdf">validateSize</a>(<span
class="keyword">const</span> <a class="code" href="classBytes.html"
>Bytes</a>& value)</div><div class="line"><a name="l00090"></a><span
>class="lineno"> 90</span>  {</div><div class="line"><a
>name="l00091"></a><span class="lineno"> 91</span>  <span
>class="keywordflow">if</span> (value.<a class="code"
>href="classBytes.html#a1a2e9277ebe7d227a21f111898c49a8c">bytes</a>() < <a
>class="code"
>href="namespaceos.html#af0898f40a19c3804347e30b9efa0984a">os::pagesize</a>())
>{</div><div class="line"><a name="l00092"></a><span class="lineno">
>92</span>  <span class="keywordflow">return</span> <a class="code"
>href="classError.html">Error</a>(</div><div class="line"><a
>name="l00093"></a><span class="lineno"> 93</span>  <span
>class="stringliteral">"Expected --max_stdout_size and --max_stderr_size
>of "</span></div><div class="line"><a name="l00094"></a><span
>class="lineno"> 94</span>  <span
>class="stringliteral">"at least "</span> + <a class="code"
>href="namespacens.html#a28116b4
6e6543597a11733424cd1aa20">stringify</a>(<a class="code"
href="namespaceos.html#af0898f40a19c3804347e30b9efa0984a">os::pagesize</a>()) +
<span class="stringliteral">" bytes"</span>);</div><div
class="line"><a name="l00095"></a><span class="lineno"> 95</span> 
}</div><div class="line"><a name="l00096"></a><span class="lineno">
96</span> </div><div class="line"><a name="l00097"></a><span
class="lineno"> 97</span>  <span class="keywordflow">return</span> <a
class="code" href="structNone.html">None</a>();</div><div class="line"><a
name="l00098"></a><span class="lineno"> 98</span>  }</div><div
class="line"><a name="l00099"></a><span class="lineno">
99</span> </div><div class="line"><a name="l00100"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a01e0b855bccba47e5e8cf51923c043dd">
100</a></span>  <a class="code" href="classBytes.html">Bytes</a> <a
class="code" href="structmesos
_1_1internal_1_1logger_1_1LoggerFlags.html#a01e0b855bccba47e5e8cf51923c043dd">max_stdout_size</a>;</div><div
class="line"><a name="l00101"></a><span class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a701cd92419a47af88b8b3e69596dc9fe">
101</a></span>  <a class="code"
href="classOption.html">Option<std::string></a> <a class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a701cd92419a47af88b8b3e69596dc9fe">logrotate_stdout_options</a>;</div><div
class="line"><a name="l00102"></a><span class="lineno">
102</span> </div><div class="line"><a name="l00103"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a324f6d7bd9a854fb74465d84cbfffd46">
103</a></span>  <a class="code" href="classBytes.html">Bytes</a> <a
class="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a324f6d7bd9a854fb74465d84cbfffd46">max_stderr_size</a>;</div><div
class="line"
><a name="l00104"></a><span class="lineno"><a class="line"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a07b215b9a9fb3a2fae1671574314e2d2">
> 104</a></span>  <a class="code"
>href="classOption.html">Option<std::string></a> <a class="code"
>href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a07b215b9a9fb3a2fae1671574314e2d2">logrotate_stderr_options</a>;</div><div
> class="line"><a name="l00105"></a><span class="lineno">
>105</span> };</div><div class="line"><a name="l00106"></a><span
>class="lineno"> 106</span> </div><div class="line"><a
>name="l00107"></a><span class="lineno"> 107</span> </div><div
>class="line"><a name="l00108"></a><span class="lineno"><a class="line"
>href="structmesos_1_1internal_1_1logger_1_1Flags.html">
>108</a></span> <span class="keyword">struct </span><a class="code"
>href="structmesos_1_1internal_1_1logger_1_1Flags.html">Flags</a> : <span
>class="keyword">public</span> <span class="keyword">virtual</span> <a c
lass="code"
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html">LoggerFlags</a></div><div
class="line"><a name="l00109"></a><span class="lineno">
109</span> {</div><div class="line"><a name="l00110"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#afe7186ad5e403a2afd95cf7021f4d195">
110</a></span>  <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#afe7186ad5e403a2afd95cf7021f4d195">Flags</a>()</div><div
class="line"><a name="l00111"></a><span class="lineno"> 111</span> 
{</div><div class="line"><a name="l00112"></a><span class="lineno">
112</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a4a5d15a242a55783cf676b2fa799e360">Flags::environment_variable_prefix</a>,</div><div
class="line"><a name="l00113"></a><span class="lineno"> 113</span> 
<sp
an
class="stringliteral">"environment_variable_prefix"</span>,</div><div
class="line"><a name="l00114"></a><span class="lineno"> 114</span> 
<span class="stringliteral">"Prefix for environment variables meant to
modify the behavior of\n"</span></div><div class="line"><a
name="l00115"></a><span class="lineno"> 115</span>  <span
class="stringliteral">"the logrotate logger for the specific container
being launched.\n"</span></div><div class="line"><a
name="l00116"></a><span class="lineno"> 116</span>  <span
class="stringliteral">"The logger will look for four prefixed environment
variables in the\n"</span></div><div class="line"><a
name="l00117"></a><span class="lineno"> 117</span>  <span
class="stringliteral">"container's 'CommandInfo's
'Environment':\n"</span></div><div class="line"><a
name="l00118"></a><span class="lineno"> 118</span>  <span class="s
tringliteral">" * MAX_STDOUT_SIZE\n"</span></div><div
class="line"><a name="l00119"></a><span class="lineno"> 119</span> 
<span class="stringliteral">" *
LOGROTATE_STDOUT_OPTIONS\n"</span></div><div class="line"><a
name="l00120"></a><span class="lineno"> 120</span>  <span
class="stringliteral">" * MAX_STDERR_SIZE\n"</span></div><div
class="line"><a name="l00121"></a><span class="lineno"> 121</span> 
<span class="stringliteral">" *
LOGROTATE_STDERR_OPTIONS\n"</span></div><div class="line"><a
name="l00122"></a><span class="lineno"> 122</span>  <span
class="stringliteral">"If present, these variables will overwrite the
global values set\n"</span></div><div class="line"><a
name="l00123"></a><span class="lineno"> 123</span>  <span
class="stringliteral">"via module parameters."</span>,</div><div
class="line"><a name="l00124"></a><span class="lineno"> 124</span>
  <span
class="stringliteral">"CONTAINER_LOGGER_"</span>);</div><div
class="line"><a name="l00125"></a><span class="lineno">
125</span> </div><div class="line"><a name="l00126"></a><span
class="lineno"> 126</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a68a07a76e5b8842c754852a424d12525">Flags::launcher_dir</a>,</div><div
class="line"><a name="l00127"></a><span class="lineno"> 127</span> 
<span class="stringliteral">"launcher_dir"</span>,</div><div
class="line"><a name="l00128"></a><span class="lineno"> 128</span> 
<span class="stringliteral">"Directory path of Mesos binaries. The
logrotate container logger\n"</span></div><div class="line"><a
name="l00129"></a><span class="lineno"> 129</span>  <span
class="stringliteral">"will find the '"</span>
+ <a class="code"
href="namespacemesos_1_1internal_1_1logger_1_1rotate.html#aee5dc359a1b6d22c5d912b166c895854">mesos::internal::logger::rotate::NAME</a>
+ <span class="stringliteral">"'\n"</span></div><div
class="line"><a name="l00130"></a><span class="lineno"> 130</span> 
<span class="stringliteral">"binary file under this
directory."</span>,</div><div class="line"><a name="l00131"></a><span
class="lineno"> 131</span>  PKGLIBEXECDIR,</div><div
class="line"><a name="l00132"></a><span class="lineno"> 132</span> 
[](<span class="keyword">const</span> std::string& value) -> <a
class="code" href="classOption.html">Option<Error></a> {</div><div
class="line"><a name="l00133"></a><span class="lineno"> 133</span> 
std::string executablePath =</div><div class="line"><a
name="l00134"></a><span class="lineno"> 134</span>  <a
class="code" href="namespacepath.html#aa86b16a2171cec90bb333793
0513ef0f">path::join</a>(value, <a class="code"
href="namespacemesos_1_1internal_1_1logger_1_1rotate.html#aee5dc359a1b6d22c5d912b166c895854">mesos::internal::logger::rotate::NAME</a>);</div><div
class="line"><a name="l00135"></a><span class="lineno">
135</span> </div><div class="line"><a name="l00136"></a><span
class="lineno"> 136</span>  <span class="keywordflow">if</span>
(!<a class="code"
href="namespaceos.html#a69b3969276ffa4cb698b9431ee43bd7c">os::exists</a>(executablePath))
{</div><div class="line"><a name="l00137"></a><span class="lineno">
137</span>  <span class="keywordflow">return</span> <a
class="code" href="classError.html">Error</a>(<span
class="stringliteral">"Cannot find: "</span> +
executablePath);</div><div class="line"><a name="l00138"></a><span
class="lineno"> 138</span>  }</div><div class="line"><a
name="l00139"></a><span class="lineno"> 139</span> </div><div
class="line"><a name="l00140"></a><s
pan class="lineno"> 140</span>  <span
class="keywordflow">return</span> <a class="code"
href="structNone.html">None</a>();</div><div class="line"><a
name="l00141"></a><span class="lineno"> 141</span>  });</div><div
class="line"><a name="l00142"></a><span class="lineno">
142</span> </div><div class="line"><a name="l00143"></a><span
class="lineno"> 143</span>  <a class="code"
href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#abd0de016d5754244dccafb3d0311bf1c">Flags::logrotate_path</a>,</div><div
class="line"><a name="l00144"></a><span class="lineno"> 144</span> 
<span class="stringliteral">"logrotate_path"</span>,</div><div
class="line"><a name="l00145"></a><span class="lineno"> 145</span> 
<span class="stringliteral">"If specified, the logrotate container logger
will use the specified\n"</span><
/div><div class="line"><a name="l00146"></a><span class="lineno">
146</span>  <span class="stringliteral">"'logrotate'
instead of the system's 'logrotate'."</span>,</div><div
class="line"><a name="l00147"></a><span class="lineno"> 147</span> 
<span class="stringliteral">"logrotate"</span>,</div><div
class="line"><a name="l00148"></a><span class="lineno"> 148</span> 
[](<span class="keyword">const</span> std::string& value) -> <a
class="code" href="classOption.html">Option<Error></a> {</div><div
class="line"><a name="l00149"></a><span class="lineno"> 149</span> 
<span class="comment">// Check if `logrotate` exists via the help
command.</span></div><div class="line"><a name="l00150"></a><span
class="lineno"> 150</span>  <span class="comment">//
TODO(josephw): Consider a more comprehensive check.</span></div><div
class="line"><a name="l00151"></a><span class="lineno
"> 151</span>  <a class="code"
href="classTry.html">Try<std::string></a> helpCommand =</div><div
class="line"><a name="l00152"></a><span class="lineno"> 152</span> 
<a class="code"
href="namespaceos.html#a0d86320d7799ea761599bc356c02a4fa">os::shell</a>(value +
<span class="stringliteral">" --help > "</span> + <a class="code"
href="namespaceos.html#a8d90278daa51c4fe9fcb9e54757187b5">os::DEV_NULL</a>);</div><div
class="line"><a name="l00153"></a><span class="lineno">
153</span> </div><div class="line"><a name="l00154"></a><span
class="lineno"> 154</span>  <span class="keywordflow">if</span>
(helpCommand.<a class="code"
href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>())
{</div><div class="line"><a name="l00155"></a><span class="lineno">
155</span>  <span class="keywordflow">return</span> <a
class="code" href="classError.html">Error</a>(</div><div class="line"><a
name="l00156"></a
><span class="lineno"> 156</span>  <span
>class="stringliteral">"Failed to check logrotate: "</span> +
>helpCommand.<a class="code"
>href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div
> class="line"><a name="l00157"></a><span class="lineno"> 157</span> 
> }</div><div class="line"><a name="l00158"></a><span class="lineno">
>158</span> </div><div class="line"><a name="l00159"></a><span
>class="lineno"> 159</span>  <span
>class="keywordflow">return</span> <a class="code"
>href="structNone.html">None</a>();</div><div class="line"><a
>name="l00160"></a><span class="lineno"> 160</span> 
>});</div><div class="line"><a name="l00161"></a><span class="lineno">
>161</span> </div><div class="line"><a name="l00162"></a><span
>class="lineno"> 162</span>  <a class="code"
>href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a
> class="code" href="structmesos_1_1in
ternal_1_1logger_1_1Flags.html#a70d12161362a3aa5da5a5ea0f55a7142">Flags::libprocess_num_worker_threads</a>,</div><div
class="line"><a name="l00163"></a><span class="lineno"> 163</span> 
<span
class="stringliteral">"libprocess_num_worker_threads"</span>,</div><div
class="line"><a name="l00164"></a><span class="lineno"> 164</span> 
<span class="stringliteral">"Number of Libprocess worker
threads.\n"</span></div><div class="line"><a name="l00165"></a><span
class="lineno"> 165</span>  <span
class="stringliteral">"Defaults to 8. Must be at least
1."</span>,</div><div class="line"><a name="l00166"></a><span
class="lineno"> 166</span>  8u,</div><div class="line"><a
name="l00167"></a><span class="lineno"> 167</span>  [](<span
class="keyword">const</span> <span class="keywordtype">size_t</span>&
value) -> <a class="code" href="classOption.html">Option<Error></a>
{</div><div class="lin
e"><a name="l00168"></a><span class="lineno"> 168</span>  <span
class="keywordflow">if</span> (value < 1u) {</div><div class="line"><a
name="l00169"></a><span class="lineno"> 169</span>  <span
class="keywordflow">return</span> <a class="code"
href="classError.html">Error</a>(</div><div class="line"><a
name="l00170"></a><span class="lineno"> 170</span>  <span
class="stringliteral">"Expected --libprocess_num_worker_threads of at
least 1"</span>);</div><div class="line"><a name="l00171"></a><span
class="lineno"> 171</span>  }</div><div class="line"><a
name="l00172"></a><span class="lineno"> 172</span> </div><div
class="line"><a name="l00173"></a><span class="lineno"> 173</span> 
<span class="keywordflow">return</span> <a class="code"
href="structNone.html">None</a>();</div><div class="line"><a
name="l00174"></a><span class="lineno"> 174</span>  });</div><div
class="line"><
a name="l00175"></a><span class="lineno"> 175</span>  }</div><div
class="line"><a name="l00176"></a><span class="lineno">
176</span> </div><div class="line"><a name="l00177"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a4a5d15a242a55783cf676b2fa799e360">
177</a></span>  std::string <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a4a5d15a242a55783cf676b2fa799e360">environment_variable_prefix</a>;</div><div
class="line"><a name="l00178"></a><span class="lineno">
178</span> </div><div class="line"><a name="l00179"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a68a07a76e5b8842c754852a424d12525">
179</a></span>  std::string <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a68a07a76e5b8842c754852a424d12525">launcher_dir</a>;</div><div
class="line"><a name="l00180"></a><span class="lineno"><a class="line"
href="struct
mesos_1_1internal_1_1logger_1_1Flags.html#abd0de016d5754244dccafb3d0311bf1c">
180</a></span>  std::string <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#abd0de016d5754244dccafb3d0311bf1c">logrotate_path</a>;</div><div
class="line"><a name="l00181"></a><span class="lineno">
181</span> </div><div class="line"><a name="l00182"></a><span
class="lineno"><a class="line"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a70d12161362a3aa5da5a5ea0f55a7142">
182</a></span>  <span class="keywordtype">size_t</span> <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a70d12161362a3aa5da5a5ea0f55a7142">libprocess_num_worker_threads</a>;</div><div
class="line"><a name="l00183"></a><span class="lineno">
183</span> };</div><div class="line"><a name="l00184"></a><span
class="lineno"> 184</span> </div><div class="line"><a
name="l00185"></a><span class="lineno"> 185</span> </div><div
class="line"><a name="l00186"></a><sp
an class="lineno"> 186</span> <span class="comment">// The
`LogrotateContainerLogger` is a container logger that utilizes
the</span></div><div class="line"><a name="l00187"></a><span class="lineno">
187</span> <span class="comment">// `logrotate` utility to strictly
constrain total size of a container's</span></div><div class="line"><a
name="l00188"></a><span class="lineno"> 188</span> <span
class="comment">// stdout and stderr log files. All `logrotate` configuration
options</span></div><div class="line"><a name="l00189"></a><span
class="lineno"> 189</span> <span class="comment">// (besides `size`,
which this module uses) are supported. See `Flags` above.</span></div><div
class="line"><a name="l00190"></a><span class="lineno"><a class="line"
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html">
190</a></span> <span class="keyword">class </span><a class="code"
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.h
tml">LogrotateContainerLogger</a> : <span class="keyword">public</span> <a
class="code"
href="classmesos_1_1slave_1_1ContainerLogger.html">mesos::slave::ContainerLogger</a></div><div
class="line"><a name="l00191"></a><span class="lineno">
191</span> {</div><div class="line"><a name="l00192"></a><span
class="lineno"> 192</span> <span class="keyword">public</span>:</div><div
class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a
class="code"
href="namespacemesos_1_1internal_1_1tests.html#a61dcd7752a1b2bfc737b0f9b357191a6a29cdd8cd657c6eceab1bd280cdb1ba0f">LogrotateContainerLogger</a>(<span
class="keyword">const</span> <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html">Flags</a>&
_flags);</div><div class="line"><a name="l00194"></a><span class="lineno">
194</span> </div><div class="line"><a name="l00195"></a><span
class="lineno"> 195</span>  <span class="keyword">virtual</span> ~<a
class="code" href="classmesos_1_1i
nternal_1_1logger_1_1LogrotateContainerLogger.html">LogrotateContainerLogger</a>();</div><div
class="line"><a name="l00196"></a><span class="lineno">
196</span> </div><div class="line"><a name="l00197"></a><span
class="lineno"> 197</span>  <span class="comment">// This is a noop. The
logrotate container logger has nothing to initialize.</span></div><div
class="line"><a name="l00198"></a><span class="lineno"> 198</span> 
<span class="keyword">virtual</span> <a class="code"
href="classTry.html">Try<Nothing></a> <a class="code"
href="namespacesystemd.html#a4e45b8163baf6d307c9884d624472402">initialize</a>()
<span class="keyword">override</span>;</div><div class="line"><a
name="l00199"></a><span class="lineno"> 199</span> </div><div
class="line"><a name="l00200"></a><span class="lineno"> 200</span> 
<span class="keyword">virtual</span> <a class="code"
href="classprocess_1_1Future.html">process::Future<mesos::slave::ContainerIO></a>
<a class="c
ode"
href="namespacecgroups.html#a4bf20862574beb5b0f9af7799489866f">prepare</a>(</div><div
class="line"><a name="l00201"></a><span class="lineno"> 201</span> 
<span class="keyword">const</span> ContainerID& containerId,</div><div
class="line"><a name="l00202"></a><span class="lineno"> 202</span> 
<span class="keyword">const</span> mesos::slave::ContainerConfig&
containerConfig) <span class="keyword">override</span>;</div><div
class="line"><a name="l00203"></a><span class="lineno">
203</span> </div><div class="line"><a name="l00204"></a><span
class="lineno"> 204</span> <span
class="keyword">protected</span>:</div><div class="line"><a
name="l00205"></a><span class="lineno"><a class="line"
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html#a9efe3b3bece6d7d2c43e8b6234df060d">
205</a></span>  <a class="code"
href="structmesos_1_1internal_1_1logger_1_1Flags.html">Flags</a> <a
class="code" href="classmesos_1_1internal_1_
1logger_1_1LogrotateContainerLogger.html#a9efe3b3bece6d7d2c43e8b6234df060d">flags</a>;</div><div
class="line"><a name="l00206"></a><span class="lineno"><a class="line"
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html#abb34cdfbdc44341018b34fcd96db68fd">
206</a></span>  <a class="code"
href="classprocess_1_1Owned.html">process::Owned<LogrotateContainerLoggerProcess></a>
<a class="code"
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html#abb34cdfbdc44341018b34fcd96db68fd">process</a>;</div><div
class="line"><a name="l00207"></a><span class="lineno">
207</span> };</div><div class="line"><a name="l00208"></a><span
class="lineno"> 208</span> </div><div class="line"><a
name="l00209"></a><span class="lineno"> 209</span> } <span
class="comment">// namespace logger {</span></div><div class="line"><a
name="l00210"></a><span class="lineno"> 210</span> } <span
class="comment">// namespace internal {</span></div><div
class="line"><a name="l00211"></a><span class="lineno"> 211</span> }
<span class="comment">// namespace mesos {</span></div><div class="line"><a
name="l00212"></a><span class="lineno"> 212</span> </div><div
class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span
class="preprocessor">#endif //
__SLAVE_CONTAINER_LOGGER_LIB_LOGROTATE_HPP__</span></div><div class="ttc"
id="namespaceos_html_a69b3969276ffa4cb698b9431ee43bd7c"><div class="ttname"><a
href="namespaceos.html#a69b3969276ffa4cb698b9431ee43bd7c">os::exists</a></div><div
class="ttdeci">bool exists(const std::string &path)</div><div
class="ttdef"><b>Definition:</b> exists.hpp:26</div></div>
<div class="ttc" id="classError_html"><div class="ttname"><a
href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b>
errorbase.hpp:35</div></div>
<div class="ttc" id="classOption_html"><div class="ttname"><a
href="classOption.html">Option< Error ></a></div></div>
<div class="ttc"
id="structmesos_1_1internal_1_1logger_1_1LoggerFlags_html_a6f16e6c1a4ea3d53a938706f9d215fdf"><div
class="ttname"><a
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a6f16e6c1a4ea3d53a938706f9d215fdf">mesos::internal::logger::LoggerFlags::validateSize</a></div><div
class="ttdeci">static Option< Error > validateSize(const Bytes
&value)</div><div class="ttdef"><b>Definition:</b>
lib_logrotate.hpp:89</div></div>
@@ -66,7 +66,7 @@
<div class="ttc"
id="namespacepath_html_aa86b16a2171cec90bb3337930513ef0f"><div
class="ttname"><a
href="namespacepath.html#aa86b16a2171cec90bb3337930513ef0f">path::join</a></div><div
class="ttdeci">std::string join(const std::string &path1, const
std::string &path2, const char _separator=os::PATH_SEPARATOR)</div><div
class="ttdef"><b>Definition:</b> path.hpp:56</div></div>
<div class="ttc"
id="structmesos_1_1internal_1_1logger_1_1Flags_html_a70d12161362a3aa5da5a5ea0f55a7142"><div
class="ttname"><a
href="structmesos_1_1internal_1_1logger_1_1Flags.html#a70d12161362a3aa5da5a5ea0f55a7142">mesos::internal::logger::Flags::libprocess_num_worker_threads</a></div><div
class="ttdeci">size_t libprocess_num_worker_threads</div><div
class="ttdef"><b>Definition:</b> lib_logrotate.hpp:182</div></div>
<div class="ttc"
id="structmesos_1_1internal_1_1logger_1_1LoggerFlags_html_a07b215b9a9fb3a2fae1671574314e2d2"><div
class="ttname"><a
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a07b215b9a9fb3a2fae1671574314e2d2">mesos::internal::logger::LoggerFlags::logrotate_stderr_options</a></div><div
class="ttdeci">Option< std::string > logrotate_stderr_options</div><div
class="ttdef"><b>Definition:</b> lib_logrotate.hpp:104</div></div>
-<div class="ttc"
id="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger_html_abb34cdfbdc44341018b34fcd96db68fd"><div
class="ttname"><a
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html#abb34cdfbdc44341018b34fcd96db68fd">mesos::internal::logger::LogrotateContainerLogger::process</a></div><div
class="ttdeci">process::Owned< LogrotateContainerLoggerProcess >
process</div><div class="ttdef"><b>Definition:</b>
lib_logrotate.hpp:205</div></div>
+<div class="ttc"
id="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger_html_abb34cdfbdc44341018b34fcd96db68fd"><div
class="ttname"><a
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html#abb34cdfbdc44341018b34fcd96db68fd">mesos::internal::logger::LogrotateContainerLogger::process</a></div><div
class="ttdeci">process::Owned< LogrotateContainerLoggerProcess >
process</div><div class="ttdef"><b>Definition:</b>
lib_logrotate.hpp:206</div></div>
<div class="ttc" id="bytes_8hpp_html"><div class="ttname"><a
href="bytes_8hpp.html">bytes.hpp</a></div></div>
<div class="ttc"
id="namespacesystemd_html_a4e45b8163baf6d307c9884d624472402"><div
class="ttname"><a
href="namespacesystemd.html#a4e45b8163baf6d307c9884d624472402">systemd::initialize</a></div><div
class="ttdeci">Try< Nothing > initialize(const Flags
&flags)</div><div class="ttdoc">Initialized state for support of systemd
functions in this file. </div></div>
<div class="ttc"
id="structmesos_1_1internal_1_1logger_1_1LoggerFlags_html_a01e0b855bccba47e5e8cf51923c043dd"><div
class="ttname"><a
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a01e0b855bccba47e5e8cf51923c043dd">mesos::internal::logger::LoggerFlags::max_stdout_size</a></div><div
class="ttdeci">Bytes max_stdout_size</div><div
class="ttdef"><b>Definition:</b> lib_logrotate.hpp:100</div></div>
@@ -84,7 +84,7 @@
<div class="ttc" id="classTry_html_a0b98f95163b8a38daafd1651b043a276"><div
class="ttname"><a
href="classTry.html#a0b98f95163b8a38daafd1651b043a276">Try::isError</a></div><div
class="ttdeci">bool isError() const </div><div
class="ttdef"><b>Definition:</b> try.hpp:71</div></div>
<div class="ttc"
id="structmesos_1_1internal_1_1logger_1_1LoggerFlags_html_a1652e5364feb93134ce12474b77e4bbc"><div
class="ttname"><a
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a1652e5364feb93134ce12474b77e4bbc">mesos::internal::logger::LoggerFlags::LoggerFlags</a></div><div
class="ttdeci">LoggerFlags()</div><div class="ttdef"><b>Definition:</b>
lib_logrotate.hpp:50</div></div>
<div class="ttc"
id="structmesos_1_1internal_1_1logger_1_1Flags_html_afe7186ad5e403a2afd95cf7021f4d195"><div
class="ttname"><a
href="structmesos_1_1internal_1_1logger_1_1Flags.html#afe7186ad5e403a2afd95cf7021f4d195">mesos::internal::logger::Flags::Flags</a></div><div
class="ttdeci">Flags()</div><div class="ttdef"><b>Definition:</b>
lib_logrotate.hpp:110</div></div>
-<div class="ttc"
id="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger_html_a9efe3b3bece6d7d2c43e8b6234df060d"><div
class="ttname"><a
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html#a9efe3b3bece6d7d2c43e8b6234df060d">mesos::internal::logger::LogrotateContainerLogger::flags</a></div><div
class="ttdeci">Flags flags</div><div class="ttdef"><b>Definition:</b>
lib_logrotate.hpp:204</div></div>
+<div class="ttc"
id="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger_html_a9efe3b3bece6d7d2c43e8b6234df060d"><div
class="ttname"><a
href="classmesos_1_1internal_1_1logger_1_1LogrotateContainerLogger.html#a9efe3b3bece6d7d2c43e8b6234df060d">mesos::internal::logger::LogrotateContainerLogger::flags</a></div><div
class="ttdeci">Flags flags</div><div class="ttdef"><b>Definition:</b>
lib_logrotate.hpp:205</div></div>
<div class="ttc" id="namespaceos_html_a8d90278daa51c4fe9fcb9e54757187b5"><div
class="ttname"><a
href="namespaceos.html#a8d90278daa51c4fe9fcb9e54757187b5">os::DEV_NULL</a></div><div
class="ttdeci">constexpr char DEV_NULL[]</div><div
class="ttdef"><b>Definition:</b> constants.hpp:30</div></div>
<div class="ttc" id="classBytes_html_a1a2e9277ebe7d227a21f111898c49a8c"><div
class="ttname"><a
href="classBytes.html#a1a2e9277ebe7d227a21f111898c49a8c">Bytes::bytes</a></div><div
class="ttdeci">uint64_t bytes() const </div><div
class="ttdef"><b>Definition:</b> bytes.hpp:79</div></div>
<div class="ttc"
id="structmesos_1_1internal_1_1logger_1_1LoggerFlags_html_a701cd92419a47af88b8b3e69596dc9fe"><div
class="ttname"><a
href="structmesos_1_1internal_1_1logger_1_1LoggerFlags.html#a701cd92419a47af88b8b3e69596dc9fe">mesos::internal::logger::LoggerFlags::logrotate_stdout_options</a></div><div
class="ttdeci">Option< std::string > logrotate_stdout_options</div><div
class="ttdef"><b>Definition:</b> lib_logrotate.hpp:101</div></div>
