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<div class="title">hook.hpp</div> </div>
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<a href="hook_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>&#160;<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>&#160;<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>&#160;<span class="comment">// distributed with this work for additional information</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<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>&#160;<span class="comment">// to you under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// &quot;License&quot;); you may not use this file except in compliance</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<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>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<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>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<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>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<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>&#160;<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>&#160;<span class="comment">// limitations under the License.</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="preprocessor">#ifndef __MESOS_HOOK_HPP__</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __MESOS_HOOK_HPP__</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;map&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="include_2mesos_2attributes_8hpp.html">mesos/attributes.hpp</a>&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="include_2mesos_2mesos_8hpp.html">mesos/mesos.hpp</a>&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="resources_8hpp.html">mesos/resources.hpp</a>&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="future_8hpp.html">process/future.hpp</a>&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="none_8hpp.html">stout/none.hpp</a>&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="result_8hpp.html">stout/result.hpp</a>&gt;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="try_8hpp.html">stout/try.hpp</a>&gt;</span></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;<span class="comment">// ONLY USEFUL AFTER RUNNING PROTOC.</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor">#include &lt;mesos/module/hook.pb.h&gt;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="keyword">namespace </span>mesos {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html"> 39</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmesos_1_1Hook.html">Hook</a></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;{</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html#ade0a6a735c1e0102ceef0b392f6e2ab7"> 42</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classmesos_1_1Hook.html#ade0a6a735c1e0102ceef0b392f6e2ab7">~Hook</a>() {}</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="comment">// This label decorator hook is called from within master during</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="comment">// the launchTask routine. A module implementing the hook creates</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="comment">// and returns a set of labels. These labels overwrite the existing</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="comment">// labels on the task info.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html#adfe19f16a007f810ca84473b034bc678"> 48</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classResult.html">Result&lt;Labels&gt;</a> <a class="code" href="classmesos_1_1Hook.html#adfe19f16a007f810ca84473b034bc678">masterLaunchTaskLabelDecorator</a>(</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">const</span> TaskInfo&amp; taskInfo,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keyword">const</span> FrameworkInfo&amp; frameworkInfo,</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">const</span> SlaveInfo&amp; slaveInfo)</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="comment">// This label decorator hook is called from within the slave when</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="comment">// receiving a run task request from the master. A module</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="comment">// implementing the hook creates and returns a set of labels. These</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="comment">// labels overwrite the existing labels on the task info.</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html#a12275156024e0368b3711943b85b30a1"> 60</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classResult.html">Result&lt;Labels&gt;</a> <a class="code" href="classmesos_1_1Hook.html#a12275156024e0368b3711943b85b30a1">slaveRunTaskLabelDecorator</a>(</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keyword">const</span> TaskInfo&amp; taskInfo,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keyword">const</span> ExecutorInfo&amp; executorInfo,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">const</span> FrameworkInfo&amp; frameworkInfo,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keyword">const</span> SlaveInfo&amp; slaveInfo)</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="comment">// This hook is called when an Agent is removed i.e. deemed lost by the</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="comment">// master. The hook is invoked after all frameworks have been informed about</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="comment">// the loss.</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html#a963033ecdcd8a11fbb80250c33695767"> 73</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classTry.html">Try&lt;Nothing&gt;</a> <a class="code" href="classmesos_1_1Hook.html#a963033ecdcd8a11fbb80250c33695767">masterSlaveLostHook</a>(<span class="keyword">const</span> SlaveInfo&amp; slaveInfo)</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="comment">// This environment decorator hook is called from within slave when</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">// launching a new executor. A module implementing the hook creates</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="comment">// and returns a set of environment variables. These environment</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="comment">// variables then become part of the executor&#39;s environment.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="comment">// Ideally, a hook module will also look at the existing environment</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="comment">// variables in executorInfo and extend the values as needed in case</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="comment">// of a conflict.</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html#a5116ba27e6cddd2fd78112ababa872a9"> 86</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classResult.html">Result&lt;Environment&gt;</a> <a class="code" href="classmesos_1_1Hook.html#a5116ba27e6cddd2fd78112ababa872a9">slaveExecutorEnvironmentDecorator</a>(</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keyword">const</span> ExecutorInfo&amp; executorInfo)</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="comment">// This task and executor decorator is called from within the slave after</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="comment">// receiving a run task request from the master but before the docker</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="comment">// containerizer launches the task. A module implementing the hook can</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="comment">// inspect the arguments and return a `Failure` if the task should be</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="comment">// rejected with a `TASK_FAILED`.</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="comment">// The hook can return a set of environment variables individually for</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="comment">// both, the executor and the task. Note that for custom executors,</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="comment">// the task environment variables, in case of conflicts, *will*</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="comment">// overwrite the executor variables.</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="comment">// NOTE: The order of hooks matters for environment variables.</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="comment">// If there is a conflict, the hook loaded last will take priority.</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="comment">// NOTE: Unlike `slaveExecutorEnvironmentDecorator`, environment variables</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="comment">// returned from this hook, in case of conflicts, *will* overwrite</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="comment">// environment variables inside the `ExecutorInfo`.</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">virtual</span> <a class="code" href="classprocess_1_1Future.html">process::Future&lt;Option&lt;DockerTaskExecutorPrepareInfo&gt;</a>&gt;</div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html#a16fc63435c746687b3191af89ba4e8ef"> 109</a></span>&#160; <a class="code" href="classmesos_1_1Hook.html#a16fc63435c746687b3191af89ba4e8ef">slavePreLaunchDockerTaskExecutorDecorator</a>(</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keyword">const</span> <a class="code" href="classOption.html">Option&lt;TaskInfo&gt;</a>&amp; taskInfo,</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="keyword">const</span> ExecutorInfo&amp; executorInfo,</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keyword">const</span> std::string&amp; containerName,</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keyword">const</span> std::string&amp; containerWorkDirectory,</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keyword">const</span> std::string&amp; mappedSandboxDirectory,</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keyword">const</span> <a class="code" href="classOption.html">Option</a>&lt;std::map&lt;std::string, std::string&gt;&gt;&amp; env)</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="comment">// This hook is called from within slave after URIs and container</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="comment">// image are fetched. A typical module implementing this hook will</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="comment">// perform some operations on the fetched artifacts.</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html#a7e34f95cef74f6a74d01a7b369180ba2"> 124</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classTry.html">Try&lt;Nothing&gt;</a> <a class="code" href="classmesos_1_1Hook.html#a7e34f95cef74f6a74d01a7b369180ba2">slavePostFetchHook</a>(</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="keyword">const</span> ContainerID&amp; containerId,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keyword">const</span> std::string&amp; directory)</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; {</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; }</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="comment">// This hook is called from within slave when an executor is being</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="comment">// removed. A typical module implementing the hook will perform some</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="comment">// cleanup as required.</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html#ade63e772996136b39d2cd39f4dfc9625"> 135</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classTry.html">Try&lt;Nothing&gt;</a> <a class="code" href="classmesos_1_1Hook.html#ade63e772996136b39d2cd39f4dfc9625">slaveRemoveExecutorHook</a>(</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keyword">const</span> FrameworkInfo&amp; frameworkInfo,</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keyword">const</span> ExecutorInfo&amp; executorInfo)</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="comment">// This hook is called from within slave when it receives a status update from</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="comment">// the executor. A module implementing the hook creates and returns a</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="comment">// TaskStatus with a set of labels and container_status. These labels and</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="comment">// container status overwrite the existing labels on the TaskStatus. Remaining</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="comment">// fields from the returned TaskStatus are discarded.</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html#afe96e851aa4f21c36bdec9c532b9befc"> 147</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classResult.html">Result&lt;TaskStatus&gt;</a> <a class="code" href="classmesos_1_1Hook.html#afe96e851aa4f21c36bdec9c532b9befc">slaveTaskStatusDecorator</a>(</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keyword">const</span> FrameworkID&amp; frameworkId,</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keyword">const</span> TaskStatus&amp; <a class="code" href="namespaceproc.html#a34396c6140a28f583dc13fee3c3c35d4">status</a>)</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; {</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; }</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="comment">// This hook is called from within the slave when it initializes. A module</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="comment">// implementing the hook creates and returns a Resources object with the new</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="comment">// list of resources available on the slave before they are advertised to the</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="comment">// master. These new resources overwrite the previous ones in SlaveInfo.</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html#ac525aec7c45d7f3d4c0b37e759ca2115"> 158</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classResult.html">Result&lt;Resources&gt;</a> <a class="code" href="classmesos_1_1Hook.html#ac525aec7c45d7f3d4c0b37e759ca2115">slaveResourcesDecorator</a>(</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keyword">const</span> SlaveInfo&amp; slaveInfo)</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; }</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="comment">// This hook is called from within the slave when it initializes. A module</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="comment">// implementing the hook creates and returns an Attributes object with the</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="comment">// new list of attributes for the slave before they are advertised to the</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="comment">// master. These new attributes overwrite the previous ones in SlaveInfo.</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classmesos_1_1Hook.html#acddb60298221c7bba11b2d96b09f3b1d"> 168</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classResult.html">Result&lt;Attributes&gt;</a> <a class="code" href="classmesos_1_1Hook.html#acddb60298221c7bba11b2d96b09f3b1d">slaveAttributesDecorator</a>(</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keyword">const</span> SlaveInfo&amp; slaveInfo)</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; }</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;};</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;} <span class="comment">// namespace mesos {</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<span class="preprocessor">#endif // __MESOS_HOOK_HPP__</span></div>
<div class="ttc" id="classmesos_1_1Hook_html_a5116ba27e6cddd2fd78112ababa872a9"><div class="ttname"><a href="classmesos_1_1Hook.html#a5116ba27e6cddd2fd78112ababa872a9">mesos::Hook::slaveExecutorEnvironmentDecorator</a></div><div class="ttdeci">virtual Result&lt; Environment &gt; slaveExecutorEnvironmentDecorator(const ExecutorInfo &amp;executorInfo)</div><div class="ttdef"><b>Definition:</b> hook.hpp:86</div></div>
<div class="ttc" id="resources_8hpp_html"><div class="ttname"><a href="resources_8hpp.html">resources.hpp</a></div></div>
<div class="ttc" id="structNothing_html"><div class="ttname"><a href="structNothing.html">Nothing</a></div><div class="ttdef"><b>Definition:</b> nothing.hpp:16</div></div>
<div class="ttc" id="classOption_html"><div class="ttname"><a href="classOption.html">Option&lt; TaskInfo &gt;</a></div></div>
<div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> try.hpp:34</div></div>
<div class="ttc" id="classmesos_1_1Hook_html_a16fc63435c746687b3191af89ba4e8ef"><div class="ttname"><a href="classmesos_1_1Hook.html#a16fc63435c746687b3191af89ba4e8ef">mesos::Hook::slavePreLaunchDockerTaskExecutorDecorator</a></div><div class="ttdeci">virtual process::Future&lt; Option&lt; DockerTaskExecutorPrepareInfo &gt; &gt; slavePreLaunchDockerTaskExecutorDecorator(const Option&lt; TaskInfo &gt; &amp;taskInfo, const ExecutorInfo &amp;executorInfo, const std::string &amp;containerName, const std::string &amp;containerWorkDirectory, const std::string &amp;mappedSandboxDirectory, const Option&lt; std::map&lt; std::string, std::string &gt;&gt; &amp;env)</div><div class="ttdef"><b>Definition:</b> hook.hpp:109</div></div>
<div class="ttc" id="classmesos_1_1Hook_html_a963033ecdcd8a11fbb80250c33695767"><div class="ttname"><a href="classmesos_1_1Hook.html#a963033ecdcd8a11fbb80250c33695767">mesos::Hook::masterSlaveLostHook</a></div><div class="ttdeci">virtual Try&lt; Nothing &gt; masterSlaveLostHook(const SlaveInfo &amp;slaveInfo)</div><div class="ttdef"><b>Definition:</b> hook.hpp:73</div></div>
<div class="ttc" id="classmesos_1_1Hook_html_afe96e851aa4f21c36bdec9c532b9befc"><div class="ttname"><a href="classmesos_1_1Hook.html#afe96e851aa4f21c36bdec9c532b9befc">mesos::Hook::slaveTaskStatusDecorator</a></div><div class="ttdeci">virtual Result&lt; TaskStatus &gt; slaveTaskStatusDecorator(const FrameworkID &amp;frameworkId, const TaskStatus &amp;status)</div><div class="ttdef"><b>Definition:</b> hook.hpp:147</div></div>
<div class="ttc" id="include_2mesos_2mesos_8hpp_html"><div class="ttname"><a href="include_2mesos_2mesos_8hpp.html">mesos.hpp</a></div></div>
<div class="ttc" id="namespaceproc_html_a34396c6140a28f583dc13fee3c3c35d4"><div class="ttname"><a href="namespaceproc.html#a34396c6140a28f583dc13fee3c3c35d4">proc::status</a></div><div class="ttdeci">Result&lt; ProcessStatus &gt; status(pid_t pid)</div><div class="ttdef"><b>Definition:</b> proc.hpp:166</div></div>
<div class="ttc" id="classmesos_1_1Hook_html_ade63e772996136b39d2cd39f4dfc9625"><div class="ttname"><a href="classmesos_1_1Hook.html#ade63e772996136b39d2cd39f4dfc9625">mesos::Hook::slaveRemoveExecutorHook</a></div><div class="ttdeci">virtual Try&lt; Nothing &gt; slaveRemoveExecutorHook(const FrameworkInfo &amp;frameworkInfo, const ExecutorInfo &amp;executorInfo)</div><div class="ttdef"><b>Definition:</b> hook.hpp:135</div></div>
<div class="ttc" id="none_8hpp_html"><div class="ttname"><a href="none_8hpp.html">none.hpp</a></div></div>
<div class="ttc" id="result_8hpp_html"><div class="ttname"><a href="result_8hpp.html">result.hpp</a></div></div>
<div class="ttc" id="classResult_html"><div class="ttname"><a href="classResult.html">Result</a></div><div class="ttdef"><b>Definition:</b> result.hpp:40</div></div>
<div class="ttc" id="nothing_8hpp_html"><div class="ttname"><a href="nothing_8hpp.html">nothing.hpp</a></div></div>
<div class="ttc" id="classmesos_1_1Hook_html_ac525aec7c45d7f3d4c0b37e759ca2115"><div class="ttname"><a href="classmesos_1_1Hook.html#ac525aec7c45d7f3d4c0b37e759ca2115">mesos::Hook::slaveResourcesDecorator</a></div><div class="ttdeci">virtual Result&lt; Resources &gt; slaveResourcesDecorator(const SlaveInfo &amp;slaveInfo)</div><div class="ttdef"><b>Definition:</b> hook.hpp:158</div></div>
<div class="ttc" id="classmesos_1_1Hook_html_a12275156024e0368b3711943b85b30a1"><div class="ttname"><a href="classmesos_1_1Hook.html#a12275156024e0368b3711943b85b30a1">mesos::Hook::slaveRunTaskLabelDecorator</a></div><div class="ttdeci">virtual Result&lt; Labels &gt; slaveRunTaskLabelDecorator(const TaskInfo &amp;taskInfo, const ExecutorInfo &amp;executorInfo, const FrameworkInfo &amp;frameworkInfo, const SlaveInfo &amp;slaveInfo)</div><div class="ttdef"><b>Definition:</b> hook.hpp:60</div></div>
<div class="ttc" id="include_2mesos_2attributes_8hpp_html"><div class="ttname"><a href="include_2mesos_2attributes_8hpp.html">attributes.hpp</a></div></div>
<div class="ttc" id="classmesos_1_1Hook_html_adfe19f16a007f810ca84473b034bc678"><div class="ttname"><a href="classmesos_1_1Hook.html#adfe19f16a007f810ca84473b034bc678">mesos::Hook::masterLaunchTaskLabelDecorator</a></div><div class="ttdeci">virtual Result&lt; Labels &gt; masterLaunchTaskLabelDecorator(const TaskInfo &amp;taskInfo, const FrameworkInfo &amp;frameworkInfo, const SlaveInfo &amp;slaveInfo)</div><div class="ttdef"><b>Definition:</b> hook.hpp:48</div></div>
<div class="ttc" id="future_8hpp_html"><div class="ttname"><a href="future_8hpp.html">future.hpp</a></div></div>
<div class="ttc" id="structNone_html"><div class="ttname"><a href="structNone.html">None</a></div><div class="ttdef"><b>Definition:</b> none.hpp:27</div></div>
<div class="ttc" id="try_8hpp_html"><div class="ttname"><a href="try_8hpp.html">try.hpp</a></div></div>
<div class="ttc" id="classmesos_1_1Hook_html_acddb60298221c7bba11b2d96b09f3b1d"><div class="ttname"><a href="classmesos_1_1Hook.html#acddb60298221c7bba11b2d96b09f3b1d">mesos::Hook::slaveAttributesDecorator</a></div><div class="ttdeci">virtual Result&lt; Attributes &gt; slaveAttributesDecorator(const SlaveInfo &amp;slaveInfo)</div><div class="ttdef"><b>Definition:</b> hook.hpp:168</div></div>
<div class="ttc" id="classmesos_1_1Hook_html_a7e34f95cef74f6a74d01a7b369180ba2"><div class="ttname"><a href="classmesos_1_1Hook.html#a7e34f95cef74f6a74d01a7b369180ba2">mesos::Hook::slavePostFetchHook</a></div><div class="ttdeci">virtual Try&lt; Nothing &gt; slavePostFetchHook(const ContainerID &amp;containerId, const std::string &amp;directory)</div><div class="ttdef"><b>Definition:</b> hook.hpp:124</div></div>
<div class="ttc" id="classmesos_1_1Hook_html_ade0a6a735c1e0102ceef0b392f6e2ab7"><div class="ttname"><a href="classmesos_1_1Hook.html#ade0a6a735c1e0102ceef0b392f6e2ab7">mesos::Hook::~Hook</a></div><div class="ttdeci">virtual ~Hook()</div><div class="ttdef"><b>Definition:</b> hook.hpp:42</div></div>
<div class="ttc" id="classmesos_1_1Hook_html"><div class="ttname"><a href="classmesos_1_1Hook.html">mesos::Hook</a></div><div class="ttdef"><b>Definition:</b> hook.hpp:39</div></div>
<div class="ttc" id="classprocess_1_1Future_html"><div class="ttname"><a href="classprocess_1_1Future.html">process::Future</a></div><div class="ttdef"><b>Definition:</b> future.hpp:56</div></div>
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