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<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom">
<title>Horbie Blog</title>
<subtitle>Record Mind</subtitle>
<link href="/atom.xml" rel="self"/>
<link href="http://blog.codeme.site/"/>
<updated>2017-07-26T08:53:31.000Z</updated>
<id>http://blog.codeme.site/</id>
<author>
<name>Horbie Huo</name>
</author>
<generator uri="http://hexo.io/">Hexo</generator>
<entry>
<title>d3 V4 树形结构 不完全demo</title>
<link href="http://blog.codeme.site/2017/07/26/d3-V4-%E6%A0%91%E5%BD%A2%E7%BB%93%E6%9E%84-%E4%B8%8D%E5%AE%8C%E5%85%A8demo/"/>
<id>http://blog.codeme.site/2017/07/26/d3-V4-树形结构-不完全demo/</id>
<published>2017-07-26T08:46:11.000Z</published>
<updated>2017-07-26T08:53:31.000Z</updated>
<content type="html"><![CDATA[<ul>
<li><p>首先贴个小图<br><img src="http://oh14x29vm.bkt.clouddn.com/d3_tree.jpg" alt="d3_tree" title="d3_tree"></p>
</li>
<li><p>下面是显示上面图片的部分代码</p>
<figure class="highlight html"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div><div class="line">33</div><div class="line">34</div><div class="line">35</div><div class="line">36</div><div class="line">37</div><div class="line">38</div><div class="line">39</div><div class="line">40</div><div class="line">41</div><div class="line">42</div><div class="line">43</div><div class="line">44</div><div class="line">45</div><div class="line">46</div><div class="line">47</div><div class="line">48</div><div class="line">49</div><div class="line">50</div><div class="line">51</div><div class="line">52</div><div class="line">53</div><div class="line">54</div><div class="line">55</div><div class="line">56</div><div class="line">57</div><div class="line">58</div><div class="line">59</div><div class="line">60</div><div class="line">61</div><div class="line">62</div><div class="line">63</div><div class="line">64</div><div class="line">65</div><div class="line">66</div><div class="line">67</div><div class="line">68</div><div class="line">69</div><div class="line">70</div><div class="line">71</div><div class="line">72</div><div class="line">73</div><div class="line">74</div><div class="line">75</div><div class="line">76</div><div class="line">77</div><div class="line">78</div><div class="line">79</div><div class="line">80</div><div class="line">81</div><div class="line">82</div><div class="line">83</div><div class="line">84</div><div class="line">85</div><div class="line">86</div><div class="line">87</div><div class="line">88</div><div class="line">89</div><div class="line">90</div><div class="line">91</div><div class="line">92</div><div class="line">93</div><div class="line">94</div><div class="line">95</div><div class="line">96</div><div class="line">97</div><div class="line">98</div><div class="line">99</div><div class="line">100</div><div class="line">101</div><div class="line">102</div><div class="line">103</div><div class="line">104</div><div class="line">105</div><div class="line">106</div><div class="line">107</div><div class="line">108</div><div class="line">109</div><div class="line">110</div><div class="line">111</div><div class="line">112</div><div class="line">113</div><div class="line">114</div><div class="line">115</div><div class="line">116</div><div class="line">117</div><div class="line">118</div><div class="line">119</div><div class="line">120</div><div class="line">121</div><div class="line">122</div><div class="line">123</div><div class="line">124</div><div class="line">125</div><div class="line">126</div><div class="line">127</div><div class="line">128</div><div class="line">129</div><div class="line">130</div><div class="line">131</div><div class="line">132</div><div class="line">133</div><div class="line">134</div><div class="line">135</div><div class="line">136</div><div class="line">137</div><div class="line">138</div><div class="line">139</div><div class="line">140</div><div class="line">141</div><div class="line">142</div><div class="line">143</div><div class="line">144</div><div class="line">145</div><div class="line">146</div><div class="line">147</div><div class="line">148</div><div class="line">149</div><div class="line">150</div><div class="line">151</div><div class="line">152</div><div class="line">153</div><div class="line">154</div><div class="line">155</div><div class="line">156</div><div class="line">157</div><div class="line">158</div><div class="line">159</div><div class="line">160</div><div class="line">161</div><div class="line">162</div><div class="line">163</div><div class="line">164</div><div class="line">165</div><div class="line">166</div><div class="line">167</div><div class="line">168</div><div class="line">169</div></pre></td><td class="code"><pre><div class="line"><span class="tag"><<span class="name">script</span> <span class="attr">src</span>=<span class="string">"/admin/lib/d3/d3.v4.min.js"</span>></span><span class="undefined"></span><span class="tag"></<span class="name">script</span>></span></div><div class="line"><span class="tag"><<span class="name">style</span>></span><span class="undefined"></span></div><div class="line"> .node circle {</div><div class="line"> fill: #fff;</div><div class="line"> stroke: steelblue;</div><div class="line"> stroke-width: 1.5px;</div><div class="line"> }</div><div class="line"></div><div class="line"> .node {</div><div class="line"> font: 12px sans-serif;</div><div class="line"> }</div><div class="line"></div><div class="line"> .link {</div><div class="line"> fill: none;</div><div class="line"> stroke: #ccc;</div><div class="line"> stroke-width: 1.5px;</div><div class="line"> }</div><div class="line"><span class="tag"></<span class="name">style</span>></span></div><div class="line"><span class="tag"><<span class="name">body</span>></span></div><div class="line"> <span class="tag"><<span class="name">div</span> <span class="attr">id</span>=<span class="string">"auth_body"</span>></span><span class="tag"></<span class="name">div</span>></span></div><div class="line"><span class="tag"></<span class="name">body</span>></span></div><div class="line"></div><div class="line"><span class="tag"><<span class="name">script</span> <span class="attr">type</span>=<span class="string">"text/javascript"</span>></span><span class="undefined"></span></div><div class="line"> var width = 500,</div><div class="line"> height = 500;</div><div class="line"></div><div class="line"> var tree = d3.tree()</div><div class="line"> .size([width, height - 200])</div><div class="line"> .separation(function (a, b) {</div><div class="line"> return (a.parent == b.parent ? 1 : 2);</div><div class="line"> });</div><div class="line"></div><div class="line"> var svg = d3.select("#auth_body").append("svg")</div><div class="line"> .attr("width", width)</div><div class="line"> .attr("height", height)</div><div class="line"> .append("g")</div><div class="line"> .attr("transform", "translate(40,0)");</div><div class="line"></div><div class="line"></div><div class="line"> var root = {</div><div class="line"> "name": "中国",</div><div class="line"> "children": [{</div><div class="line"> "name": "浙江",</div><div class="line"> "children": [{</div><div class="line"> "name": "杭州"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "宁波"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "温州"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "绍兴"</div><div class="line"> }</div><div class="line"> ]</div><div class="line"> },</div><div class="line"></div><div class="line"> {</div><div class="line"> "name": "广西",</div><div class="line"> "children": [{</div><div class="line"> "name": "桂林",</div><div class="line"> "children": [{</div><div class="line"> "name": "秀峰区"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "叠彩区"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "象山区"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "七星区"</div><div class="line"> }</div><div class="line"> ]</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "南宁"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "柳州"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "防城港"</div><div class="line"> }</div><div class="line"> ]</div><div class="line"> },</div><div class="line"></div><div class="line"> {</div><div class="line"> "name": "黑龙江",</div><div class="line"> "children": [{</div><div class="line"> "name": "哈尔滨"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "齐齐哈尔"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "牡丹江"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "大庆"</div><div class="line"> }</div><div class="line"> ]</div><div class="line"> },</div><div class="line"></div><div class="line"> {</div><div class="line"> "name": "新疆",</div><div class="line"> "children": [{</div><div class="line"> "name": "乌鲁木齐"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "克拉玛依"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "吐鲁番"</div><div class="line"> },</div><div class="line"> {</div><div class="line"> "name": "哈密"</div><div class="line"> }</div><div class="line"> ]</div><div class="line"> }</div><div class="line"> ]</div><div class="line"> }</div><div class="line"> var hierarchy = d3.hierarchy(root);</div><div class="line"> tree(hierarchy);</div><div class="line"></div><div class="line"> function diagonal(d) {</div><div class="line"> if (d.parent === hierarchy.descendants[0]) {</div><div class="line"> return "M" + d.y + "," + d.x +</div><div class="line"> " " + d.parent.y + "," + d.parent.x</div><div class="line"> } else {</div><div class="line"> return "M" + d.y + "," + d.x +</div><div class="line"> "C" + (d.parent.y + 100) + "," + d.x +</div><div class="line"> " " + (d.parent.y + 100) + "," + d.parent.x +</div><div class="line"> " " + d.parent.y + "," + d.parent.x;</div><div class="line"> }</div><div class="line"> }</div><div class="line"></div><div class="line"> var link = svg.selectAll(".link")</div><div class="line"> .data(hierarchy.descendants().slice(1))</div><div class="line"> .enter()</div><div class="line"> .append("path")</div><div class="line"> .attr("class", "link")</div><div class="line"> .attr("d", diagonal);</div><div class="line"></div><div class="line"> var node = svg.selectAll(".node")</div><div class="line"> .data(hierarchy.descendants())</div><div class="line"> .enter()</div><div class="line"> .append("g")</div><div class="line"> .attr("class", "node")</div><div class="line"> .attr("transform", function (d) {</div><div class="line"> return "translate(" + d.y + "," + d.x + ")";</div><div class="line"> })</div><div class="line"></div><div class="line"> node.append("circle")</div><div class="line"> .attr("r", 4.5);</div><div class="line"></div><div class="line"> node.append("text")</div><div class="line"> .attr("dx", function (d) {</div><div class="line"> return d.children ? -8 : 8;</div><div class="line"> })</div><div class="line"> .attr("dy", 3)</div><div class="line"> .style("text-anchor", function (d) {</div><div class="line"> return d.children ? "end" : "start";</div><div class="line"> })</div><div class="line"> .text(function (d) {</div><div class="line"> return d.data.name;</div><div class="line"> });</div><div class="line"><span class="tag"></<span class="name">script</span>></span></div></pre></td></tr></table></figure></li>
</ul>
]]></content>
<summary type="html">
<ul>
<li><p>首先贴个小图<br><img src="http://oh14x29vm.bkt.clouddn.com/d3_tree.jpg" alt="d3_tree" title="d3_tree"></p>
</li>
<li><p>下面是显示上面图片的部分代码
</summary>
<category term="d3" scheme="http://blog.codeme.site/tags/d3/"/>
</entry>
<entry>
<title>fluentd+elasticsearch+kibana 收集 flask 日志</title>
<link href="http://blog.codeme.site/2017/06/07/fluentd-elasticsearch-kibana-%E6%94%B6%E9%9B%86%E6%97%A5%E5%BF%97/"/>
<id>http://blog.codeme.site/2017/06/07/fluentd-elasticsearch-kibana-收集日志/</id>
<published>2017-06-07T08:41:54.000Z</published>
<updated>2017-06-08T08:55:25.000Z</updated>
<content type="html"><![CDATA[<p>部署的机器是ubuntu 14.04 内存 2G</p>
<ol>
<li><p>首先是 elasticsearch 安装</p>
<ul>
<li>elasticsearch版本是5.4.1，<a href="https://www.elastic.co/downloads/elasticsearch" target="_blank" rel="external">官网地址</a></li>
<li>需要安装java环境，新版 5.4.1 需要的是jdk1.8，安装步骤如下(ubuntu 14.04)：<ul>
<li>sudo add-apt-repository ppa:openjdk-r/ppa</li>
<li>sudo apt-get update</li>
<li>sudo apt-get install openjdk-8-jdk</li>
<li>如果有多个java版本，可能需要切换<ul>
<li>sudo update-alternatives –config java #查看并选择java的版本</li>
<li>sudo update-alternatives –config javac #配置javac的版本</li>
</ul>
</li>
<li>java -version #查看java版本</li>
</ul>
</li>
<li>解压文件，并放置在特定的目录，<strong>建议创建一个system用户，用来管理和启动相关的程序，后面kibana也要用到</strong></li>
<li><p>使用supervisor启动elasticsearch</p>
<ul>
<li><p>配置文件</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div></pre></td><td class="code"><pre><div class="line">[program:elasticsearch]</div><div class="line">command=/var/log_collecter/elasticsearch-5.4.1/bin/elasticsearch -s -E path.data=/data/es -E indices.fielddata.cache.size=1gb</div><div class="line">directory=/var/log_collecter/elasticsearch-5.4.1</div><div class="line">environment=ES_JAVA_OPTS="-Xms1g -Xmx1536m"</div><div class="line">numprocs=1</div><div class="line">user=log_collecter</div><div class="line">autostart=true</div><div class="line">autorestart=true</div><div class="line">redirect_stderr=true</div><div class="line">stdout_logfile=/var/log/supervisor/%(program_name)s.log</div><div class="line">stdout_logfile_maxbytes=100MB</div><div class="line">stdout_logfile_backups=10</div></pre></td></tr></table></figure>
</li>
<li><p>其中 ES_JAVA_OPTS 的配置主要是机器的内存小才用到的，两个参数均是jvm使用的参数， -Xms配置jvm最小堆内存，-Xmx配置jvm最大堆内存，<a href="https://www.elastic.co/guide/en/elasticsearch/reference/current/heap-size.html" target="_blank" rel="external">详细解释参考elasticsearch文档</a></p>
</li>
<li><strong>sudo ln -s /var/log_collecter/elasticsearch-5.4.1/supervisor_es.conf /etc/supervisor/conf.d/, 创建配置文件软连接到 /etc/supervisor/conf.d</strong></li>
<li>sudo supervisorctl update, 更新启动程序</li>
</ul>
</li>
<li>以上elasticsearch和java的安装只是参考，安装的方法有很多种，只要能保证elasticsearch正常运行即可，curl <a href="http://127.0.0.1:9200" target="_blank" rel="external">http://127.0.0.1:9200</a> 能正常访问即可</li>
</ul>
</li>
<li><p>fluentd 安装</p>
<ul>
<li><p>安装前需要可能需要配置一下系统，<a href="http://docs.fluentd.org/v0.12/articles/before-install" target="_blank" rel="external">官方安装前说明</a></p>
<ul>
<li><p>文件描述符限制，ulimit -n 可以查看，最好大于 65536，如果是 1024等较小的数字，修改方法是编辑 /etc/security/limits.conf ，添加下面的配置，重启机器</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div></pre></td><td class="code"><pre><div class="line">root soft nofile 65536</div><div class="line">root hard nofile 65536</div><div class="line">* soft nofile 65536</div><div class="line">* hard nofile 65536</div></pre></td></tr></table></figure>
</li>
<li><p>网络相关的内核参数的修改，本次没有修改，有需要，请参考<a href="http://docs.fluentd.org/v0.12/articles/before-install" target="_blank" rel="external">官方安装前说明</a></p>
</li>
</ul>
</li>
<li>使用官网提供的命令安装(Trusty 版本)，curl -L <a href="https://toolbelt.treasuredata.com/sh/install-ubuntu-trusty-td-agent2.sh" target="_blank" rel="external">https://toolbelt.treasuredata.com/sh/install-ubuntu-trusty-td-agent2.sh</a> | sh</li>
<li><strong>查看ubuntu版本命令 lsb_release -a, 详细的安装过程请参考<a href="http://docs.fluentd.org/v0.12/articles/install-by-deb" target="_blank" rel="external">官网ubuntu安装指导</a>，本次安装没有踩坑，所以此处较为省略</strong></li>
</ul>
</li>
<li><p>kibana 安装</p>
<ul>
<li>下载kibana-5.4.1，注意版本，一定要和之前elasticsearch兼容，<a href="https://www.elastic.co/downloads/kibana" target="_blank" rel="external">下载网页</a></li>
<li>解压文件，并放置在特定的目录，<strong>建议创建一个system用户，用来管理和启动相关的程序</strong></li>
<li><p>使用supervisor启动 kibana</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div></pre></td><td class="code"><pre><div class="line">[program:kibana]</div><div class="line">command=/var/log_collecter/kibana-5.4.1/bin/kibana -e http://127.0.0.1:9200 -q</div><div class="line">directory=/var/log_collecter/kibana-5.4.1</div><div class="line">numprocs=1</div><div class="line">user=log_collecter</div><div class="line">autostart=true</div><div class="line">autorestart=true</div><div class="line">redirect_stderr=true</div><div class="line">stdout_logfile=/var/log/supervisor/%(program_name)s.log</div><div class="line">stdout_logfile_maxbytes=100MB</div><div class="line">stdout_logfile_backups=10</div></pre></td></tr></table></figure>
</li>
<li><p><strong>sudo ln -s /var/log_collecter/kibana-5.4.1/supervisor_kibana.conf /etc/supervisor/conf.d/, 创建配置文件软连接到 /etc/supervisor/conf.d</strong></p>
</li>
<li>sudo supervisorctl update, 更新启动程序</li>
<li>同样这里使用supervisor等方式也只是一种启动的方式，像 systemctl 等方式也可以实现相同的作用</li>
</ul>
<p>至此，日志收集的工具都已经安装齐全。</p>
</li>
<li><p>修改 fluentd 的配置文件，只收集指定的日志, 建议只绑定到特定的内部地址，不要使用默认的端口号，注释掉原来默认的 @type forward 配置</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div></pre></td><td class="code"><pre><div class="line"><source></div><div class="line"> @type forward</div><div class="line"> bind 10.10.10.10</div><div class="line"> port 10000</div><div class="line"></source></div><div class="line"><match lifemg.**></div><div class="line"> type elasticsearch</div><div class="line"> host 127.0.0.1</div><div class="line"> port 9200</div><div class="line"> include_tag_key true</div><div class="line"> tag_key @log_name</div><div class="line"> logstash_format true</div><div class="line"> flush_interval 10s</div><div class="line"></match></div></pre></td></tr></table></figure>
</li>
<li><p>flask 相关的配置</p>
<ul>
<li>安装 fluentd 的第三方包 fluent</li>
<li>配置相关的log<figure class="highlight python"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div></pre></td><td class="code"><pre><div class="line"><span class="keyword">import</span> logging</div><div class="line"><span class="keyword">import</span> fluent.handler</div><div class="line"></div><div class="line"><span class="comment">#class FilterObject(logging.Filter):</span></div><div class="line"><span class="comment"># def __init__(self, filterFunc):</span></div><div class="line"><span class="comment"># self.filterFunc = filterFunc</span></div><div class="line"></div><div class="line"><span class="comment"># def filter(self, record):</span></div><div class="line"><span class="comment"># return self.filterFunc(record)</span></div><div class="line"></div><div class="line">logger = logging.getLogger(<span class="string">"log_prefix"</span>)</div><div class="line">fluentHandler = fluent.handler.FluentHandler(</div><div class="line"> <span class="string">"log_prefix"</span>,</div><div class="line"> host=self.fluent_host,</div><div class="line"> port=self.fluent_port</div><div class="line">)</div><div class="line">fluent_format = {</div><div class="line"> <span class="string">'host'</span>: <span class="string">'%(hostname)s'</span>,</div><div class="line"> <span class="string">'where'</span>: <span class="string">'%(filename)s.%(lineno)d'</span>, <span class="comment">#具体到文件、函数</span></div><div class="line"> <span class="string">'type'</span>: <span class="string">'%(levelname)s'</span>,</div><div class="line"> <span class="string">'func'</span>: <span class="string">'%(funcName)s'</span>,</div><div class="line"> <span class="string">'stack_trace'</span>: <span class="string">'%(exc_text)s'</span>,</div><div class="line"> <span class="string">'real_log_name'</span>:<span class="string">'%(name)s'</span>,</div><div class="line"> <span class="string">'process_id'</span>:<span class="string">'%(process)d'</span>,</div><div class="line">}</div><div class="line">fluentHandler.setFormatter(fluent.handler.FluentRecordFormatter(fluent_format))</div><div class="line"><span class="comment">#fluentHandler.addFilter(FilterObject(</span></div><div class="line"><span class="comment"># lambda x: self.fluent_host and self.fluent_port</span></div><div class="line"><span class="comment">#))</span></div><div class="line">logger.addHandler(fluentHandler)</div><div class="line">logger.propagate = <span class="keyword">False</span></div></pre></td></tr></table></figure>
</li>
</ul>
</li>
<li><p>启动flask程序，打开kibana地址，就可以看到收集到的log</p>
</li>
</ol>
<p>最后，贴上一张 kibana 界面的图片<br><img src="http://oh14x29vm.bkt.clouddn.com/kibana.png" alt="kibana" title="kibana"></p>
]]></content>
<summary type="html">
<p>部署的机器是ubuntu 14.04 内存 2G</p>
<ol>
<li><p>首先是 elasticsearch 安装</p>
<ul>
<li>elasticsearch版本是5.4.1，<a href="https://www.elastic.co/download
</summary>
</entry>
<entry>
<title>python 使用 logging</title>
<link href="http://blog.codeme.site/2017/06/01/python-%E4%BD%BF%E7%94%A8-logging/"/>
<id>http://blog.codeme.site/2017/06/01/python-使用-logging/</id>
<published>2017-06-01T04:12:53.000Z</published>
<updated>2017-06-01T04:17:15.000Z</updated>
<content type="html"><![CDATA[<p>首先是json格式的配置文件, 其中配置的有 DatagramHandler ，udp形式的日志<br><figure class="highlight json"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div><div class="line">33</div><div class="line">34</div><div class="line">35</div><div class="line">36</div><div class="line">37</div><div class="line">38</div><div class="line">39</div><div class="line">40</div><div class="line">41</div><div class="line">42</div><div class="line">43</div><div class="line">44</div><div class="line">45</div><div class="line">46</div><div class="line">47</div><div class="line">48</div><div class="line">49</div><div class="line">50</div><div class="line">51</div><div class="line">52</div><div class="line">53</div><div class="line">54</div><div class="line">55</div><div class="line">56</div><div class="line">57</div><div class="line">58</div><div class="line">59</div></pre></td><td class="code"><pre><div class="line">{</div><div class="line"> <span class="attr">"version"</span>: <span class="number">1</span>,</div><div class="line"> <span class="attr">"disable_existing_loggers"</span>: <span class="literal">false</span>,</div><div class="line"> <span class="attr">"formatters"</span>: {</div><div class="line"> <span class="attr">"simple"</span>: {</div><div class="line"> <span class="attr">"format"</span>: <span class="string">"%(asctime)s - %(name)s - %(levelname)s - %(message)s"</span></div><div class="line"> }</div><div class="line"> },</div><div class="line"></div><div class="line"> <span class="attr">"handlers"</span>: {</div><div class="line"> <span class="attr">"console"</span>: {</div><div class="line"> <span class="attr">"class"</span>: <span class="string">"logging.StreamHandler"</span>,</div><div class="line"> <span class="attr">"level"</span>: <span class="string">"DEBUG"</span>,</div><div class="line"> <span class="attr">"formatter"</span>: <span class="string">"simple"</span>,</div><div class="line"> <span class="attr">"stream"</span>: <span class="string">"ext://sys.stdout"</span></div><div class="line"> },</div><div class="line"></div><div class="line"> <span class="attr">"info_file_handler"</span>: {</div><div class="line"> <span class="attr">"class"</span>: <span class="string">"logging.handlers.RotatingFileHandler"</span>,</div><div class="line"> <span class="attr">"level"</span>: <span class="string">"INFO"</span>,</div><div class="line"> <span class="attr">"formatter"</span>: <span class="string">"simple"</span>,</div><div class="line"> <span class="attr">"filename"</span>: <span class="string">"info.log"</span>,</div><div class="line"> <span class="attr">"maxBytes"</span>: <span class="number">10485760</span>,</div><div class="line"> <span class="attr">"backupCount"</span>: <span class="number">20</span>,</div><div class="line"> <span class="attr">"encoding"</span>: <span class="string">"utf8"</span></div><div class="line"> },</div><div class="line"></div><div class="line"> <span class="attr">"error_file_handler"</span>: {</div><div class="line"> <span class="attr">"class"</span>: <span class="string">"logging.handlers.RotatingFileHandler"</span>,</div><div class="line"> <span class="attr">"level"</span>: <span class="string">"ERROR"</span>,</div><div class="line"> <span class="attr">"formatter"</span>: <span class="string">"simple"</span>,</div><div class="line"> <span class="attr">"filename"</span>: <span class="string">"errors.log"</span>,</div><div class="line"> <span class="attr">"maxBytes"</span>: <span class="number">10485760</span>,</div><div class="line"> <span class="attr">"backupCount"</span>: <span class="number">20</span>,</div><div class="line"> <span class="attr">"encoding"</span>: <span class="string">"utf8"</span></div><div class="line"> },</div><div class="line"></div><div class="line"> <span class="attr">"udp_handler"</span>: {</div><div class="line"> <span class="attr">"class"</span>: <span class="string">"logging.handlers.DatagramHandler"</span>,</div><div class="line"> <span class="attr">"level"</span>: <span class="string">"INFO"</span>,</div><div class="line"> <span class="attr">"formatter"</span>: <span class="string">"simple"</span>,</div><div class="line"> <span class="attr">"host"</span>: <span class="string">"localhost"</span>,</div><div class="line"> <span class="attr">"port"</span>: <span class="number">11111</span></div><div class="line"> }</div><div class="line"> },</div><div class="line"></div><div class="line"> <span class="attr">"loggers"</span>: {</div><div class="line"> <span class="attr">"lifemg"</span>: {</div><div class="line"> <span class="attr">"level"</span>: <span class="string">"INFO"</span>,</div><div class="line"> <span class="attr">"handlers"</span>: [<span class="string">"udp_handler"</span>],</div><div class="line"> <span class="attr">"propagate"</span>: <span class="string">"no"</span></div><div class="line"> }</div><div class="line"> },</div><div class="line"></div><div class="line"> <span class="attr">"root"</span>: {</div><div class="line"> <span class="attr">"level"</span>: <span class="string">"INFO"</span>,</div><div class="line"> <span class="attr">"handlers"</span>: [<span class="string">"console"</span>]</div><div class="line"> }</div><div class="line">}</div></pre></td></tr></table></figure></p>
<p>程序中配置log，并使用<br><figure class="highlight python"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div></pre></td><td class="code"><pre><div class="line"><span class="keyword">import</span> json</div><div class="line"><span class="keyword">import</span> logging</div><div class="line"><span class="keyword">import</span> logging.config</div><div class="line"><span class="keyword">import</span> os</div><div class="line"></div><div class="line"><span class="function"><span class="keyword">def</span> <span class="title">setup_logging</span><span class="params">(</span></span></div><div class="line"> default_path=<span class="string">'logging.json'</span>, </div><div class="line"> default_level=logging.INFO,</div><div class="line"> env_key=<span class="string">'LOG_CFG'</span></div><div class="line">):</div><div class="line"> <span class="string">"""Setup logging configuration</span></div><div class="line"></div><div class="line"> """</div><div class="line"> path = default_path</div><div class="line"> value = os.getenv(env_key, <span class="keyword">None</span>)</div><div class="line"> <span class="keyword">if</span> value:</div><div class="line"> path = value</div><div class="line"> <span class="keyword">if</span> os.path.exists(path):</div><div class="line"> <span class="keyword">with</span> open(path, <span class="string">'rt'</span>) <span class="keyword">as</span> f:</div><div class="line"> config = json.load(f)</div><div class="line"> logging.config.dictConfig(config)</div><div class="line"> <span class="keyword">else</span>:</div><div class="line"> logging.basicConfig(level=default_level)</div><div class="line"></div><div class="line"><span class="keyword">if</span> __name__ == <span class="string">"__main__"</span>:</div><div class="line"> setup_logging()</div><div class="line"> logger = logging.getLogger(<span class="string">"lifemg"</span>)</div><div class="line"> logger.debug(<span class="string">"this is a debugmsg!"</span>)</div><div class="line"> logger.info(<span class="string">"this is a infomsg!"</span>)</div><div class="line"> logger.warn(<span class="string">"this is a warn msg!"</span>)</div><div class="line"> logger.error(<span class="string">"this is a error msg!"</span>)</div><div class="line"> logger.critical(<span class="string">"this is a critical msg!"</span>)</div></pre></td></tr></table></figure></p>
<p>udp的服务端接受log, 只是接收，并未做任何处理<br><figure class="highlight python"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div></pre></td><td class="code"><pre><div class="line"><span class="keyword">import</span> socket </div><div class="line"></div><div class="line"><span class="keyword">if</span> __name__ == <span class="string">"__main__"</span>:</div><div class="line"> address = (<span class="string">'localhost'</span>, <span class="number">11111</span>) </div><div class="line"> s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) </div><div class="line"> s.bind(address) </div><div class="line"> <span class="keyword">print</span> <span class="string">"start udp: localhost:11111"</span></div><div class="line"> <span class="keyword">while</span> <span class="keyword">True</span>:</div><div class="line"> data, addr = s.recvfrom(<span class="number">2048</span>)</div><div class="line"> <span class="keyword">if</span> <span class="keyword">not</span> data: </div><div class="line"> <span class="keyword">print</span> <span class="string">"client has exist"</span> </div><div class="line"> <span class="keyword">break</span> </div><div class="line"> <span class="keyword">print</span> <span class="string">"received:"</span>, len(data), <span class="string">"from"</span>, addr, <span class="string">"type:"</span>, type(data)</div><div class="line"> </div><div class="line"> s.close()</div></pre></td></tr></table></figure></p>
]]></content>
<summary type="html">
<p>首先是json格式的配置文件, 其中配置的有 DatagramHandler ，udp形式的日志<br><figure class="highlight json"><table><tr><td class="gutter"><pre><div class="line">1
</summary>
</entry>
<entry>
<title>Hello World</title>
<link href="http://blog.codeme.site/2017/05/25/hello-world/"/>
<id>http://blog.codeme.site/2017/05/25/hello-world/</id>
<published>2017-05-25T01:24:50.000Z</published>
<updated>2017-05-25T01:24:50.000Z</updated>
<content type="html"><![CDATA[<p>Welcome to <a href="https://hexo.io/" target="_blank" rel="external">Hexo</a>! This is your very first post. Check <a href="https://hexo.io/docs/" target="_blank" rel="external">documentation</a> for more info. If you get any problems when using Hexo, you can find the answer in <a href="https://hexo.io/docs/troubleshooting.html" target="_blank" rel="external">troubleshooting</a> or you can ask me on <a href="https://github.com/hexojs/hexo/issues" target="_blank" rel="external">GitHub</a>.</p>
<h2 id="Quick-Start"><a href="#Quick-Start" class="headerlink" title="Quick Start"></a>Quick Start</h2><h3 id="Create-a-new-post"><a href="#Create-a-new-post" class="headerlink" title="Create a new post"></a>Create a new post</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">$ hexo new <span class="string">"My New Post"</span></div></pre></td></tr></table></figure>
<p>More info: <a href="https://hexo.io/docs/writing.html" target="_blank" rel="external">Writing</a></p>
<h3 id="Run-server"><a href="#Run-server" class="headerlink" title="Run server"></a>Run server</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">$ hexo server</div></pre></td></tr></table></figure>
<p>More info: <a href="https://hexo.io/docs/server.html" target="_blank" rel="external">Server</a></p>
<h3 id="Generate-static-files"><a href="#Generate-static-files" class="headerlink" title="Generate static files"></a>Generate static files</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">$ hexo generate</div></pre></td></tr></table></figure>
<p>More info: <a href="https://hexo.io/docs/generating.html" target="_blank" rel="external">Generating</a></p>
<h3 id="Deploy-to-remote-sites"><a href="#Deploy-to-remote-sites" class="headerlink" title="Deploy to remote sites"></a>Deploy to remote sites</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">$ hexo deploy</div></pre></td></tr></table></figure>
<p>More info: <a href="https://hexo.io/docs/deployment.html" target="_blank" rel="external">Deployment</a></p>
]]></content>
<summary type="html">
<p>Welcome to <a href="https://hexo.io/" target="_blank" rel="external">Hexo</a>! This is your very first post. Check <a href="https://hexo.
</summary>
</entry>
<entry>
<title>Dockerfile demo</title>
<link href="http://blog.codeme.site/2017/05/19/Dockerfile-demo/"/>
<id>http://blog.codeme.site/2017/05/19/Dockerfile-demo/</id>
<published>2017-05-19T08:13:49.000Z</published>
<updated>2017-05-25T01:24:50.000Z</updated>
<content type="html"><![CDATA[<p>一个简单的Dockerfile的demo</p>
<figure class="highlight dockerfile"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div><div class="line">33</div><div class="line">34</div><div class="line">35</div><div class="line">36</div><div class="line">37</div><div class="line">38</div><div class="line">39</div><div class="line">40</div><div class="line">41</div><div class="line">42</div><div class="line">43</div><div class="line">44</div><div class="line">45</div><div class="line">46</div><div class="line">47</div><div class="line">48</div><div class="line">49</div><div class="line">50</div><div class="line">51</div><div class="line">52</div><div class="line">53</div><div class="line">54</div><div class="line">55</div><div class="line">56</div><div class="line">57</div><div class="line">58</div><div class="line">59</div><div class="line">60</div><div class="line">61</div><div class="line">62</div><div class="line">63</div><div class="line">64</div><div class="line">65</div><div class="line">66</div><div class="line">67</div><div class="line">68</div><div class="line">69</div><div class="line">70</div><div class="line">71</div><div class="line">72</div><div class="line">73</div><div class="line">74</div></pre></td><td class="code"><pre><div class="line"><span class="keyword">FROM</span> python:<span class="number">2.7</span>-slim</div><div class="line"><span class="keyword">MAINTAINER</span> XX <XX@yy.com></div><div class="line"></div><div class="line"><span class="keyword">RUN</span> apt-get update && \</div><div class="line"> apt-get install -y supervisor \</div><div class="line"> libmysqlclient-dev unzip libaio1 \</div><div class="line"> build-essential libssl-dev libffi-dev curl && \</div><div class="line"> apt-get clean && \</div><div class="line"> rm -rf /var/lib/apt/lists/* \</div><div class="line"> /tmp/* \</div><div class="line"> /var/tmp/*</div><div class="line"></div><div class="line"><span class="keyword">ENV</span> MYSQL_DATABASE tmp</div><div class="line"><span class="keyword">ENV</span> MYSQL_USER tmp</div><div class="line"><span class="keyword">ENV</span> MYSQL_PASSWORD tmp</div><div class="line"><span class="keyword">ENV</span> MYSQL_HOST mysql_db</div><div class="line"><span class="keyword">ENV</span> MYSQL_PORT <span class="number">3306</span></div><div class="line"><span class="keyword">ENV</span> HOST_IP <span class="string">'127.0.0.1'</span></div><div class="line"><span class="keyword">ENV</span> HOST_PORT <span class="number">5000</span></div><div class="line"><span class="keyword">ENV</span> GIT_BRANCH_NAME <span class="string">'UNKOWN'</span></div><div class="line"><span class="keyword">ENV</span> ES_HOST es_db</div><div class="line"><span class="keyword">ENV</span> ES_PORT <span class="number">9200</span></div><div class="line"><span class="keyword">ENV</span> REDIS_HOST redis_db</div><div class="line"><span class="keyword">ENV</span> REDIS_PORT <span class="number">6379</span></div><div class="line"><span class="keyword">ENV</span> FLASK_ENV docker</div><div class="line"></div><div class="line"><span class="keyword">WORKDIR</span> /opt/oracle/</div><div class="line"><span class="keyword">ADD</span> instantclient-basic-linux.x64-12.2.0.1.0.zip .</div><div class="line"><span class="keyword">ADD</span> instantclient-sdk-linux.x64-12.2.0.1.0.zip .</div><div class="line"><span class="keyword">RUN</span> unzip instantclient-basic-linux.x64-12.2.0.1.0.zip && \</div><div class="line"> unzip instantclient-sdk-linux.x64-12.2.0.1.0.zip && \</div><div class="line"> rm instantclient-basic-linux.x64-12.2.0.1.0.zip && \</div><div class="line"> rm instantclient-sdk-linux.x64-12.2.0.1.0.zip && \</div><div class="line"> cd instantclient_12_2 && \</div><div class="line"> ln -s libclntsh.so.12.1 libclntsh.so && \</div><div class="line"> ln -s libocci.so.12.1 libocci.so</div><div class="line"></div><div class="line"><span class="keyword">ENV</span> ORACLE_HOME <span class="string">"/opt/oracle/instantclient_12_2"</span></div><div class="line"><span class="keyword">ENV</span> DYLD_LIBRARY_PATH <span class="string">"$ORACLE_HOME:$ORACLE_HOME/sdk/oracle/ott:$DYLD_LIBRARY_PATH"</span></div><div class="line"><span class="keyword">ENV</span> LD_LIBRARY_PATH <span class="string">"$ORACLE_HOME/sdk/include:$LD_LIBRARY_PATH"</span></div><div class="line"></div><div class="line"><span class="keyword">RUN</span> curl https://raw.githubusercontent.com/creationix/nvm/v0.29.0/install.sh -o - | bash && \</div><div class="line"> export NVM_DIR="/root/.nvm" && . "$NVM_DIR/nvm.sh" && \</div><div class="line"> nvm install v0.12.7 && \</div><div class="line"> nvm use v0.12.7 && \</div><div class="line"> npm config set user 0 && npm config set unsafe-perm true && \</div><div class="line"> npm install -g fis && \</div><div class="line"> npm install -g fis-postprocessor-require-async && \</div><div class="line"> npm install -g fis-parser-ejs && \</div><div class="line"> npm install -g fis-parser-sass && \</div><div class="line"> npm install -g fis-postpackager-autoload</div><div class="line"></div><div class="line"><span class="keyword">WORKDIR</span> /opt/lifemg</div><div class="line"><span class="keyword">ADD</span> requirements.txt .</div><div class="line"><span class="keyword">RUN</span> pip --no-cache-dir --disable-pip-version-check install -r requirements.txt</div><div class="line"></div><div class="line"><span class="keyword">ADD</span> manage.py .</div><div class="line"><span class="keyword">ADD</span> scripts scripts</div><div class="line"><span class="keyword">ADD</span> configs configs</div><div class="line"><span class="keyword">ADD</span> lws lws</div><div class="line"></div><div class="line"><span class="keyword">RUN</span> ls -l && pybabel compile -d ./lws/translations && \</div><div class="line"> export NVM_DIR="/root/.nvm" && . "$NVM_DIR/nvm.sh" && \</div><div class="line"> nvm use v0.12.7 && \</div><div class="line"> fis release --root ./lws/frontend/ -pcmd ./lws/ && \</div><div class="line"> rm -rf $NVM_DIR</div><div class="line"></div><div class="line"><span class="comment"># RUN ln -s ./configs/supervisor_docker_app.conf /etc/supervisor/conf.d/supervisor_docker_app.conf</span></div><div class="line"></div><div class="line"><span class="keyword">EXPOSE</span> <span class="number">443</span></div><div class="line"><span class="keyword">EXPOSE</span> <span class="number">80</span></div><div class="line"></div><div class="line"><span class="comment"># CMD supervisorctl start lifemg && tail -f /dev/null</span></div><div class="line"><span class="keyword">CMD</span> gunicorn -w 2 -b 0.0.0.0:80 -k sync --log-level debug manage:app && tail -f /dev/null</div></pre></td></tr></table></figure>]]></content>
<summary type="html">
<p>一个简单的Dockerfile的demo</p>
<figure class="highlight dockerfile"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="lin
</summary>
</entry>
<entry>
<title>docker中安装cx-Oracle</title>
<link href="http://blog.codeme.site/2017/05/17/docker%E4%B8%AD%E5%AE%89%E8%A3%85cx-Oracle/"/>
<id>http://blog.codeme.site/2017/05/17/docker中安装cx-Oracle/</id>
<published>2017-05-17T00:31:31.000Z</published>
<updated>2017-05-25T01:24:50.000Z</updated>
<content type="html"><![CDATA[<ol>
<li><p>下载下面两个压缩文件 <a href="http://www.oracle.com/technetwork/topics/linuxx86-64soft-092277.html" target="_blank" rel="external">地址</a></p>
<ul>
<li>instantclient-basic-linux.x64-12.2.0.1.0.zip</li>
<li>instantclient-sdk-linux.x64-12.2.0.1.0.zip </li>
</ul>
</li>
<li><p>将下载的两个压缩包放至Dockerfile所在目录，或者镜像构建时可以访问的其他目录</p>
</li>
<li><p>docker 构建时使用的命令(部分)</p>
<figure class="highlight dockerfile"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div></pre></td><td class="code"><pre><div class="line"><span class="keyword">RUN</span> apt-get update && \</div><div class="line"> apt-get install -y unzip libaio1 && \</div><div class="line"> apt-get clean && \</div><div class="line"> rm -rf /var/lib/apt/lists/* \</div><div class="line"> /tmp/* \</div><div class="line"> /var/tmp/*</div><div class="line"><span class="keyword">WORKDIR</span> /opt/oracle/</div><div class="line"><span class="keyword">ADD</span> instantclient-basic-linux.x64-12.2.0.1.0.zip .</div><div class="line"><span class="keyword">ADD</span> instantclient-sdk-linux.x64-12.2.0.1.0.zip .</div><div class="line"><span class="keyword">RUN</span> unzip instantclient-basic-linux.x64-12.2.0.1.0.zip && \</div><div class="line"> unzip instantclient-sdk-linux.x64-12.2.0.1.0.zip && \</div><div class="line"> cd instantclient_12_2 && \</div><div class="line"> ln -s libclntsh.so.12.1 libclntsh.so && \</div><div class="line"> ln -s libocci.so.12.1 libocci.so</div><div class="line"></div><div class="line"><span class="keyword">ENV</span> ORACLE_HOME <span class="string">"/opt/oracle/instantclient_12_2"</span></div><div class="line"><span class="keyword">ENV</span> DYLD_LIBRARY_PATH <span class="string">"$ORACLE_HOME:$ORACLE_HOME/sdk/oracle/ott:$DYLD_LIBRARY_PATH"</span></div><div class="line"><span class="keyword">ENV</span> LD_LIBRARY_PATH <span class="string">"$ORACLE_HOME/sdk/include:$LD_LIBRARY_PATH"</span></div></pre></td></tr></table></figure>
</li>
<li><p>至此，在使用pip安装python中的cx-Oracle就正常了</p>
</li>
</ol>
<p><strong> 在oracle的文件下载页面也有相关设置的说明 </strong></p>
]]></content>
<summary type="html">
<ol>
<li><p>下载下面两个压缩文件 <a href="http://www.oracle.com/technetwork/topics/linuxx86-64soft-092277.html" target="_blank" rel="external">地址</a><
</summary>
</entry>
<entry>
<title>etcd配置</title>
<link href="http://blog.codeme.site/2017/05/04/etcd%E9%85%8D%E7%BD%AE/"/>
<id>http://blog.codeme.site/2017/05/04/etcd配置/</id>
<published>2017-05-04T03:04:09.000Z</published>
<updated>2017-05-25T01:24:50.000Z</updated>
<content type="html"><![CDATA[<p>下载和解压etcd的相关文件，略过</p>
<p>不输的文件夹是 /var/lib/etcd，其中 etcd 和 etcdctl 需要在 /usr/bin/ 下创建相关软连接，以便后续的service文件使用，也可以修改service文件</p>
<p>启动 etcd 服务的命令是 sudo systemctl start etcd<br>启动后检查，curl <a href="http://127.0.0.1:2379/v2/members" target="_blank" rel="external">http://127.0.0.1:2379/v2/members</a> 或者使用其他工具请求这个链接，IP地址为部署的任意机器的IP<br><figure class="highlight json"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div><div class="line">33</div><div class="line">34</div></pre></td><td class="code"><pre><div class="line">{</div><div class="line"> <span class="attr">"members"</span>: [</div><div class="line"> {</div><div class="line"> <span class="attr">"id"</span>: <span class="string">"5b123c0b90e015"</span>,</div><div class="line"> <span class="attr">"name"</span>: <span class="string">"etcd01"</span>,</div><div class="line"> <span class="attr">"peerURLs"</span>: [</div><div class="line"> <span class="string">"http://192.168.56.101:2380"</span></div><div class="line"> ],</div><div class="line"> <span class="attr">"clientURLs"</span>: [</div><div class="line"> <span class="string">"http://192.168.56.101:2379"</span></div><div class="line"> ]</div><div class="line"> },</div><div class="line"> {</div><div class="line"> <span class="attr">"id"</span>: <span class="string">"b082d7cebafd0896"</span>,</div><div class="line"> <span class="attr">"name"</span>: <span class="string">"etcd02"</span>,</div><div class="line"> <span class="attr">"peerURLs"</span>: [</div><div class="line"> <span class="string">"http://192.168.56.102:2380"</span></div><div class="line"> ],</div><div class="line"> <span class="attr">"clientURLs"</span>: [</div><div class="line"> <span class="string">"http://192.168.56.102:2379"</span></div><div class="line"> ]</div><div class="line"> },</div><div class="line"> {</div><div class="line"> <span class="attr">"id"</span>: <span class="string">"ea85a2410887d0cd"</span>,</div><div class="line"> <span class="attr">"name"</span>: <span class="string">"etcd03"</span>,</div><div class="line"> <span class="attr">"peerURLs"</span>: [</div><div class="line"> <span class="string">"http://192.168.56.103:2380"</span></div><div class="line"> ],</div><div class="line"> <span class="attr">"clientURLs"</span>: [</div><div class="line"> <span class="string">"http://192.168.56.103:2379"</span></div><div class="line"> ]</div><div class="line"> }</div><div class="line"> ]</div><div class="line">}</div></pre></td></tr></table></figure></p>
<p>etcdctl 查看所有集群成员, 命令：etcdctl member list<br><figure class="highlight bash"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div></pre></td><td class="code"><pre><div class="line">5b123c0b90e015: name=etcd01 peerURLs=http://192.168.56.101:2380 clientURLs=http://192.168.56.101:2379 isLeader=<span class="literal">true</span></div><div class="line">b082d7cebafd0896: name=etcd02 peerURLs=http://192.168.56.102:2380 clientURLs=http://192.168.56.102:2379 isLeader=<span class="literal">false</span></div><div class="line">ea85a2410887d0cd: name=etcd03 peerURLs=http://192.168.56.103:2380 clientURLs=http://192.168.56.103:2379 isLeader=<span class="literal">false</span></div></pre></td></tr></table></figure></p>
<hr>
<p>etcd使用的配置文件内容，位置：/var/lib/etcd/etcd.conf<br><figure class="highlight bash"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div></pre></td><td class="code"><pre><div class="line"><span class="comment"># node-1</span></div><div class="line">ETCD_NAME=etcd01</div><div class="line">ETCD_DATA_DIR=<span class="string">"/var/lib/etcd/data"</span></div><div class="line">ETCD_LISTEN_PEER_URLS=<span class="string">"http://192.168.56.101:2380"</span></div><div class="line">ETCD_LISTEN_CLIENT_URLS=<span class="string">"http://192.168.56.101:2379,http://127.0.0.1:2379"</span></div><div class="line">ETCD_INITIAL_ADVERTISE_PEER_URLS=<span class="string">"http://192.168.56.101:2380"</span></div><div class="line">ETCD_ADVERTISE_CLIENT_URLS=<span class="string">"http://192.168.56.101:2379"</span></div><div class="line">ETCD_INITIAL_CLUSTER_STATE=<span class="string">"new"</span></div><div class="line">ETCD_INITIAL_CLUSTER_TOKEN=<span class="string">"etcd-cluster1"</span></div><div class="line">ETCD_INITIAL_CLUSTER=<span class="string">"etcd01=http://192.168.56.101:2380,etcd02=http://192.168.56.102:2380,etcd03=http://192.168.56.103:2380"</span></div><div class="line"></div><div class="line"><span class="comment"># node-2</span></div><div class="line">ETCD_NAME=etcd02</div><div class="line">ETCD_DATA_DIR=<span class="string">"/var/lib/etcd/data"</span></div><div class="line">ETCD_LISTEN_PEER_URLS=<span class="string">"http://192.168.56.102:2380"</span></div><div class="line">ETCD_LISTEN_CLIENT_URLS=<span class="string">"http://192.168.56.102:2379,http://127.0.0.1:2379"</span></div><div class="line">ETCD_INITIAL_ADVERTISE_PEER_URLS=<span class="string">"http://192.168.56.102:2380"</span></div><div class="line">ETCD_ADVERTISE_CLIENT_URLS=<span class="string">"http://192.168.56.102:2379"</span></div><div class="line">ETCD_INITIAL_CLUSTER_STATE=<span class="string">"new"</span></div><div class="line">ETCD_INITIAL_CLUSTER_TOKEN=<span class="string">"etcd-cluster1"</span></div><div class="line">ETCD_INITIAL_CLUSTER=<span class="string">"etcd01=http://192.168.56.101:2380,etcd02=http://192.168.56.102:2380,etcd03=http://192.168.56.103:2380"</span></div><div class="line"></div><div class="line"><span class="comment"># node-3</span></div><div class="line">ETCD_NAME=etcd03</div><div class="line">ETCD_DATA_DIR=<span class="string">"/var/lib/etcd/data"</span></div><div class="line">ETCD_LISTEN_PEER_URLS=<span class="string">"http://192.168.56.103:2380"</span></div><div class="line">ETCD_LISTEN_CLIENT_URLS=<span class="string">"http://192.168.56.103:2379,http://127.0.0.1:2379"</span></div><div class="line">ETCD_INITIAL_ADVERTISE_PEER_URLS=<span class="string">"http://192.168.56.103:2380"</span></div><div class="line">ETCD_ADVERTISE_CLIENT_URLS=<span class="string">"http://192.168.56.103:2379"</span></div><div class="line">ETCD_INITIAL_CLUSTER_STATE=<span class="string">"new"</span></div><div class="line">ETCD_INITIAL_CLUSTER_TOKEN=<span class="string">"etcd-cluster1"</span></div><div class="line">ETCD_INITIAL_CLUSTER=<span class="string">"etcd01=http://192.168.56.101:2380,etcd02=http://192.168.56.102:2380,etcd03=http://192.168.56.103:2380"</span></div></pre></td></tr></table></figure></p>
<p>首先贴一个etcd使用的service文件，使用systemctl启动使用的，文件位置(ubuntu 16.04) /lib/systemd/system/etcd.service<br><figure class="highlight bash"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div></pre></td><td class="code"><pre><div class="line">[Unit]</div><div class="line">Description=Etcd Server</div><div class="line">After=network.target</div><div class="line">After=network-online.target</div><div class="line">Wants=network-online.target</div><div class="line"></div><div class="line">[Service]</div><div class="line">Type=notify</div><div class="line">WorkingDirectory=/var/lib/etcd/</div><div class="line">EnvironmentFile=-/var/lib/etcd/etcd.conf</div><div class="line">User=life</div><div class="line"><span class="comment"># set GOMAXPROCS to number of processors</span></div><div class="line">ExecStart=/bin/bash -c <span class="string">"GOMAXPROCS=<span class="variable">$(nproc)</span> /usr/bin/etcd --name=\"<span class="variable">${ETCD_NAME}</span>\" --data-dir=\"<span class="variable">${ETCD_DATA_DIR}</span>\" --listen-client-urls=\"<span class="variable">${ETCD_LISTEN_CLIENT_URLS}</span>\" --listen-peer-urls=\"<span class="variable">${ETCD_LISTEN_PEER_URLS}</span>\" --advertise-client-urls=\"<span class="variable">${ETCD_ADVERTISE_CLIENT_URLS}</span>\" --initial-cluster-token=\"<span class="variable">${ETCD_INITIAL_CLUSTER_TOKEN}</span>\" --initial-cluster=\"<span class="variable">${ETCD_INITIAL_CLUSTER}</span>\" --initial-cluster-state=\"<span class="variable">${ETCD_INITIAL_CLUSTER_STATE}</span>\" "</span></div><div class="line">Restart=on-failure</div><div class="line">LimitNOFILE=65536</div><div class="line"></div><div class="line">[Install]</div><div class="line">WantedBy=multi-user.target</div></pre></td></tr></table></figure></p>
]]></content>
<summary type="html">
<p>下载和解压etcd的相关文件，略过</p>
<p>不输的文件夹是 /var/lib/etcd，其中 etcd 和 etcdctl 需要在 /usr/bin/ 下创建相关软连接，以便后续的service文件使用，也可以修改service文件</p>
<p>启动 etcd 服务
</summary>
</entry>
<entry>
<title>git使用问题记录</title>
<link href="http://blog.codeme.site/2017/04/28/git%E4%BD%BF%E7%94%A8%E9%97%AE%E9%A2%98%E8%AE%B0%E5%BD%95/"/>
<id>http://blog.codeme.site/2017/04/28/git使用问题记录/</id>
<published>2017-04-28T03:00:01.000Z</published>
<updated>2017-05-25T01:24:50.000Z</updated>
<content type="html"><![CDATA[<ol>
<li><p>git pull 失败 ,提示：fatal: refusing to merge unrelated histories<br> <em>本地使用git init命令初始化后，并关联了远程仓库，本地和远程均有commit，首次推送出现的问题</em><br> 解决方法： <strong>git pull origin master –allow-unrelated-histories</strong></p>
</li>
<li><p>本地仓库关联远程仓库<br> 命令：<strong>git remote add origin remote-url</strong></p>
</li>
</ol>
]]></content>
<summary type="html">
<ol>
<li><p>git pull 失败 ,提示：fatal: refusing to merge unrelated histories<br> <em>本地使用git init命令初始化后，并关联了远程仓库，本地和远程均有commit，首次推送出现的问题</em><br
</summary>
</entry>
<entry>
<title>多表连接查询统计sql示例</title>
<link href="http://blog.codeme.site/2017/04/27/%E5%A4%9A%E8%A1%A8%E8%BF%9E%E6%8E%A5%E6%9F%A5%E8%AF%A2%E7%BB%9F%E8%AE%A1sql%E7%A4%BA%E4%BE%8B/"/>
<id>http://blog.codeme.site/2017/04/27/多表连接查询统计sql示例/</id>
<published>2017-04-27T00:49:44.000Z</published>
<updated>2017-05-25T01:24:50.000Z</updated>
<content type="html"><![CDATA[<p><strong>背景：</strong> 一个电商类似的项目，这个是后台统计使用的sql，之前使用的sqlalchemy ，但是运行的时间太长，400条记录，运行时间在1分钟左右，使用sql后运行时间在3秒左右</p>
<p>下面是示例的sql语句<br><figure class="highlight sql"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div><div class="line">33</div><div class="line">34</div><div class="line">35</div><div class="line">36</div></pre></td><td class="code"><pre><div class="line"><span class="keyword">SELECT</span> </div><div class="line">table_1.id <span class="keyword">AS</span> table_1_id, </div><div class="line">table_1.item_id <span class="keyword">AS</span> table_1_item_id, </div><div class="line">table_1.sku_no <span class="keyword">AS</span> table_1_sku_no, </div><div class="line">table_1.sku_name <span class="keyword">AS</span> table_1_sku_name, </div><div class="line">table_1.MDM_code <span class="keyword">AS</span> table_1_MDM_code,</div><div class="line">table_1.created_at <span class="keyword">AS</span> table_1_created_at, </div><div class="line">table_1.created_by <span class="keyword">AS</span> table_1_created_by, </div><div class="line">table_2.id <span class="keyword">AS</span> item_id, </div><div class="line">table_2.name <span class="keyword">AS</span> item_name, </div><div class="line">table_2.item_no <span class="keyword">AS</span> item_item_no, </div><div class="line">table_2.item_type <span class="keyword">AS</span> item_item_type, </div><div class="line">table_2.price <span class="keyword">AS</span> item_price, </div><div class="line"><span class="keyword">count</span>(<span class="keyword">DISTINCT</span> table_3.id) <span class="keyword">AS</span> browse_times, <span class="comment">/*用 DISTINCT 去重，统计数量*/</span></div><div class="line"><span class="keyword">count</span>(<span class="keyword">DISTINCT</span> table_4.id) <span class="keyword">AS</span> like_times, </div><div class="line"><span class="keyword">count</span>(<span class="keyword">DISTINCT</span> table_5.id) <span class="keyword">AS</span> item_share_times, </div><div class="line"><span class="keyword">count</span>(<span class="keyword">DISTINCT</span> table_6.id) <span class="keyword">AS</span> add_cart_times, </div><div class="line"><span class="keyword">count</span>(<span class="keyword">DISTINCT</span> table_7.id) <span class="keyword">AS</span> table_7_times, </div><div class="line"><span class="keyword">count</span>(<span class="keyword">DISTINCT</span> table_8.id) <span class="keyword">AS</span> comment_times, </div><div class="line"><span class="keyword">count</span>(<span class="keyword">DISTINCT</span> table_9.id) <span class="keyword">AS</span> table_9_order_count,</div><div class="line"><span class="keyword">sum</span>(table_9.cnt)/(<span class="keyword">count</span>(table_9.order_id)/<span class="keyword">count</span>(<span class="keyword">distinct</span> table_9.order_id)) <span class="keyword">AS</span> table_9_sku_count,</div><div class="line"><span class="keyword">sum</span>(table_9.cnt * table_9.price)/(<span class="keyword">count</span>(table_9.order_id)/<span class="keyword">count</span>(<span class="keyword">distinct</span> table_9.order_id)) <span class="keyword">AS</span> table_9_total_price</div><div class="line"><span class="comment">/* sum算总和的时候除掉重复的次数，目前没有找到什么更好的办法来解决 */</span></div><div class="line"></div><div class="line"><span class="keyword">FROM</span> table_1 <span class="keyword">JOIN</span> table_2 <span class="keyword">ON</span> table_1.item_id = table_2.id</div><div class="line"></div><div class="line"><span class="keyword">LEFT</span> <span class="keyword">OUTER</span> <span class="keyword">JOIN</span> table_3 <span class="keyword">ON</span> table_3.detail = table_1.item_id <span class="keyword">AND</span> table_3.act_time <span class="keyword">BETWEEN</span> <span class="string">'1487981301.0'</span> <span class="keyword">AND</span> <span class="string">'1493165301.0'</span> </div><div class="line"><span class="keyword">LEFT</span> <span class="keyword">OUTER</span> <span class="keyword">JOIN</span> table_4 <span class="keyword">ON</span> table_4.detail = table_1.item_id <span class="keyword">AND</span> table_4.act_time <span class="keyword">BETWEEN</span> <span class="string">'1487981301.0'</span> <span class="keyword">AND</span> <span class="string">'1493165301.0'</span> </div><div class="line"><span class="keyword">LEFT</span> <span class="keyword">OUTER</span> <span class="keyword">JOIN</span> table_5 <span class="keyword">ON</span> table_5.detail = table_1.item_id <span class="keyword">AND</span> table_5.act_time <span class="keyword">BETWEEN</span> <span class="string">'1487981301.0'</span> <span class="keyword">AND</span> <span class="string">'1493165301.0'</span> </div><div class="line"><span class="keyword">LEFT</span> <span class="keyword">OUTER</span> <span class="keyword">JOIN</span> table_6 <span class="keyword">ON</span> table_6.detail = table_1.item_id <span class="keyword">AND</span> table_6.act_time <span class="keyword">BETWEEN</span> <span class="string">'1487981301.0'</span> <span class="keyword">AND</span> <span class="string">'1493165301.0'</span> </div><div class="line"><span class="keyword">LEFT</span> <span class="keyword">OUTER</span> <span class="keyword">JOIN</span> table_8 <span class="keyword">ON</span> table_8.item_id = table_1.item_id <span class="keyword">AND</span> table_8.created_at <span class="keyword">BETWEEN</span> <span class="string">'2017-02-25 08:08:21'</span> <span class="keyword">AND</span> <span class="string">'2017-04-26 08:08:21'</span> </div><div class="line"><span class="keyword">LEFT</span> <span class="keyword">OUTER</span> <span class="keyword">JOIN</span> table_7 <span class="keyword">ON</span> table_7.sku_id = table_1.id <span class="keyword">AND</span> table_7.created_at <span class="keyword">BETWEEN</span> <span class="string">'2017-02-25 08:08:21'</span> <span class="keyword">AND</span> <span class="string">'2017-04-26 08:08:21'</span> </div><div class="line"><span class="keyword">LEFT</span> <span class="keyword">OUTER</span> <span class="keyword">JOIN</span> table_9 <span class="keyword">ON</span> table_9.sku_id = table_1.id <span class="keyword">AND</span> table_9.order_id <span class="keyword">in</span> </div><div class="line"> (<span class="keyword">select</span> table_10.id <span class="keyword">from</span> table_10 <span class="keyword">WHERE</span> table_10.created_at <span class="keyword">BETWEEN</span> <span class="string">'2017-02-25 08:08:21'</span> <span class="keyword">AND</span> <span class="string">'2017-04-26 08:08:21'</span>)</div><div class="line"></div><div class="line"><span class="keyword">GROUP</span> <span class="keyword">BY</span> table_1.id;</div></pre></td></tr></table></figure></p>
]]></content>
<summary type="html">
<p><strong>背景：</strong> 一个电商类似的项目，这个是后台统计使用的sql，之前使用的sqlalchemy ，但是运行的时间太长，400条记录，运行时间在1分钟左右，使用sql后运行时间在3秒左右</p>
<p>下面是示例的sql语句<br><figure c
</summary>
</entry>
<entry>
<title>Hexo搭建博客</title>
<link href="http://blog.codeme.site/2017/01/06/Hexo%E6%90%AD%E5%BB%BA%E5%8D%9A%E5%AE%A2/"/>
<id>http://blog.codeme.site/2017/01/06/Hexo搭建博客/</id>
<published>2017-01-06T13:48:17.000Z</published>
<updated>2017-05-25T01:24:50.000Z</updated>
<content type="html"><![CDATA[<h2 id="Hexo-搭建个人博客"><a href="#Hexo-搭建个人博客" class="headerlink" title="Hexo 搭建个人博客"></a>Hexo 搭建个人博客</h2><hr>
<p>Hexo是基于nodejs的工具，需要先安装nodejs</p>
<ol>
<li>windows下自己接下载nodejs的安装包，安装即可。</li>
<li>nodejs自带npm工具。</li>
<li><p>使用npm安装Hexo。</p>
<figure class="highlight sh"><figcaption><span>install-hexo</span></figcaption><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">npm install -g hexo-cli</div></pre></td></tr></table></figure>
</li>
<li><p>初始化博客的目录</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">hexo init [directory]</div></pre></td></tr></table></figure>
</li>
<li><p>添加文章</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">hexo new name</div></pre></td></tr></table></figure>
</li>
<li><p>部署</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">hexo deploy --generate</div></pre></td></tr></table></figure>
</li>
</ol>
<p>写在最后的问题：</p>
<ul>
<li>绑定域名，使用的是二级域名<ol>
<li>购买域名，略过</li>
<li>添加 CNAME 文件到github的项目，内容写自己的域名即可</li>
<li>在域名解析中添加一条cmane的记录，指向 <strong>[name].github.io</strong>, name替换为自己的名字，即可</li>
</ol>
</li>
</ul>
]]></content>
<summary type="html">
<h2 id="Hexo-搭建个人博客"><a href="#Hexo-搭建个人博客" class="headerlink" title="Hexo 搭建个人博客"></a>Hexo 搭建个人博客</h2><hr>
<p>Hexo是基于nodejs的工具，需要先安装nodejs<
</summary>
</entry>
</feed>