## etcd 集群
下面我们使用 [Docker Compose](%24compose) 模拟启动一个 3 节点的 `etcd` 集群。
编辑 `docker-compose.yml` 文件
```
<pre class="prettyprint"><ol class="linenums"><li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln">version</span><span class="pun">:</span><span class="pln"> </span><span class="str">"3"</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln">services</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> node1</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> image</span><span class="pun">:</span><span class="pln"> quay</span><span class="pun">.</span><span class="pln">io</span><span class="pun">/</span><span class="pln">coreos</span><span class="pun">/</span><span class="pln">etcd</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> volumes</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> node1</span><span class="pun">-</span><span class="pln">data</span><span class="pun">:/</span><span class="pln">etcd</span><span class="pun">-</span><span class="pln">data</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> expose</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="lit">2379</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="lit">2380</span><span class="pln"> </span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> networks</span><span class="pun">:</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> cluster_net</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> ipv4_address</span><span class="pun">:</span><span class="pln"> </span><span class="lit">172.16</span><span class="pun">.</span><span class="lit">238.100</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> environment</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> ETCDCTL_API</span><span class="pun">=</span><span class="lit">3</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> command</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="str">/usr/</span><span class="kwd">local</span><span class="pun">/</span><span class="pln">bin</span><span class="pun">/</span><span class="pln">etcd</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">data</span><span class="pun">-</span><span class="pln">dir</span><span class="pun">=/</span><span class="pln">etcd</span><span class="pun">-</span><span class="pln">data</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">name</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> node1</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">advertise</span><span class="pun">-</span><span class="pln">peer</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//172.16.238.100:2380</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">listen</span><span class="pun">-</span><span class="pln">peer</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//0.0.0.0:2380</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">advertise</span><span class="pun">-</span><span class="pln">client</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//172.16.238.100:2379</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">listen</span><span class="pun">-</span><span class="pln">client</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//0.0.0.0:2379</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">cluster</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> node1</span><span class="pun">=</span><span class="pln">http</span><span class="pun">:</span><span class="com">//172.16.238.100:2380,node2=http://172.16.238.101:2380,node3=http://172.16.238.102:2380</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">cluster</span><span class="pun">-</span><span class="pln">state</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="kwd">new</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">cluster</span><span class="pun">-</span><span class="pln">token</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> docker</span><span class="pun">-</span><span class="pln">etcd</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> node2</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> image</span><span class="pun">:</span><span class="pln"> quay</span><span class="pun">.</span><span class="pln">io</span><span class="pun">/</span><span class="pln">coreos</span><span class="pun">/</span><span class="pln">etcd</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> volumes</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> node2</span><span class="pun">-</span><span class="pln">data</span><span class="pun">:/</span><span class="pln">etcd</span><span class="pun">-</span><span class="pln">data</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> networks</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> cluster_net</span><span class="pun">:</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> ipv4_address</span><span class="pun">:</span><span class="pln"> </span><span class="lit">172.16</span><span class="pun">.</span><span class="lit">238.101</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> environment</span><span class="pun">:</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> ETCDCTL_API</span><span class="pun">=</span><span class="lit">3</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> expose</span><span class="pun">:</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="lit">2379</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="lit">2380</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> command</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="str">/usr/</span><span class="kwd">local</span><span class="pun">/</span><span class="pln">bin</span><span class="pun">/</span><span class="pln">etcd</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">data</span><span class="pun">-</span><span class="pln">dir</span><span class="pun">=/</span><span class="pln">etcd</span><span class="pun">-</span><span class="pln">data</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">name</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> node2</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">advertise</span><span class="pun">-</span><span class="pln">peer</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//172.16.238.101:2380</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">listen</span><span class="pun">-</span><span class="pln">peer</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//0.0.0.0:2380</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">advertise</span><span class="pun">-</span><span class="pln">client</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//172.16.238.101:2379</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">listen</span><span class="pun">-</span><span class="pln">client</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//0.0.0.0:2379</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">cluster</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> node1</span><span class="pun">=</span><span class="pln">http</span><span class="pun">:</span><span class="com">//172.16.238.100:2380,node2=http://172.16.238.101:2380,node3=http://172.16.238.102:2380</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">cluster</span><span class="pun">-</span><span class="pln">state</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="kwd">new</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">cluster</span><span class="pun">-</span><span class="pln">token</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> docker</span><span class="pun">-</span><span class="pln">etcd</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> node3</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> image</span><span class="pun">:</span><span class="pln"> quay</span><span class="pun">.</span><span class="pln">io</span><span class="pun">/</span><span class="pln">coreos</span><span class="pun">/</span><span class="pln">etcd</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> volumes</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> node3</span><span class="pun">-</span><span class="pln">data</span><span class="pun">:/</span><span class="pln">etcd</span><span class="pun">-</span><span class="pln">data</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> networks</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> cluster_net</span><span class="pun">:</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> ipv4_address</span><span class="pun">:</span><span class="pln"> </span><span class="lit">172.16</span><span class="pun">.</span><span class="lit">238.102</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> environment</span><span class="pun">:</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> ETCDCTL_API</span><span class="pun">=</span><span class="lit">3</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> expose</span><span class="pun">:</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="lit">2379</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="lit">2380</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> command</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="str">/usr/</span><span class="kwd">local</span><span class="pun">/</span><span class="pln">bin</span><span class="pun">/</span><span class="pln">etcd</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">data</span><span class="pun">-</span><span class="pln">dir</span><span class="pun">=/</span><span class="pln">etcd</span><span class="pun">-</span><span class="pln">data</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">name</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> node3</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">advertise</span><span class="pun">-</span><span class="pln">peer</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//172.16.238.102:2380</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">listen</span><span class="pun">-</span><span class="pln">peer</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//0.0.0.0:2380</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">advertise</span><span class="pun">-</span><span class="pln">client</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//172.16.238.102:2379</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">listen</span><span class="pun">-</span><span class="pln">client</span><span class="pun">-</span><span class="pln">urls</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> http</span><span class="pun">:</span><span class="com">//0.0.0.0:2379</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">cluster</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> node1</span><span class="pun">=</span><span class="pln">http</span><span class="pun">:</span><span class="com">//172.16.238.100:2380,node2=http://172.16.238.101:2380,node3=http://172.16.238.102:2380</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">cluster</span><span class="pun">-</span><span class="pln">state</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="kwd">new</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">--</span><span class="pln">initial</span><span class="pun">-</span><span class="pln">cluster</span><span class="pun">-</span><span class="pln">token</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span><span class="pln"> docker</span><span class="pun">-</span><span class="pln">etcd</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln">volumes</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> node1</span><span class="pun">-</span><span class="pln">data</span><span class="pun">:</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> node2</span><span class="pun">-</span><span class="pln">data</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> node3</span><span class="pun">-</span><span class="pln">data</span><span class="pun">:</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln">networks</span><span class="pun">:</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> cluster_net</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> driver</span><span class="pun">:</span><span class="pln"> bridge</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> ipam</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> driver</span><span class="pun">:</span><span class="pln"> </span><span class="kwd">default</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> config</span><span class="pun">:</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> </span><span class="pun">-</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln"> subnet</span><span class="pun">:</span><span class="pln"> </span><span class="lit">172.16</span><span class="pun">.</span><span class="lit">238.0</span><span class="pun">/</span><span class="lit">24</span></code></li>
</ol>
```
使用 `docker-compose up` 启动集群之后使用 `docker exec` 命令登录到任一节点测试 `etcd` 集群。
```
<pre class="prettyprint"><ol class="linenums"><li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pun">/</span><span class="pln"> </span><span class="com"># etcdctl member list</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln">daf3fd52e3583ff</span><span class="pun">,</span><span class="pln"> started</span><span class="pun">,</span><span class="pln"> node3</span><span class="pun">,</span><span class="pln"> http</span><span class="pun">://</span><span class="lit">172.16</span><span class="pun">.</span><span class="lit">238.102</span><span class="pun">:</span><span class="lit">2380</span><span class="pun">,</span><span class="pln"> http</span><span class="pun">://</span><span class="lit">172.16</span><span class="pun">.</span><span class="lit">238.102</span><span class="pun">:</span><span class="lit">2379</span></code></li>
<li class="l"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="lit">422a74f03b622fef</span><span class="pun">,</span><span class="pln"> started</span><span class="pun">,</span><span class="pln"> node1</span><span class="pun">,</span><span class="pln"> http</span><span class="pun">://</span><span class="lit">172.16</span><span class="pun">.</span><span class="lit">238.100</span><span class="pun">:</span><span class="lit">2380</span><span class="pun">,</span><span class="pln"> http</span><span class="pun">://</span><span class="lit">172.16</span><span class="pun">.</span><span class="lit">238.100</span><span class="pun">:</span><span class="lit">2379</span></code></li>
<li class="l1"><code class="pcalibre10 pcalibre11 pcalibre9"><span class="pln">ed635d2a2dbef43d</span><span class="pun">,</span><span class="pln"> started</span><span class="pun">,</span><span class="pln"> node2</span><span class="pun">,</span><span class="pln"> http</span><span class="pun">://</span><span class="lit">172.16</span><span class="pun">.</span><span class="lit">238.101</span><span class="pun">:</span><span class="lit">2380</span><span class="pun">,</span><span class="pln"> http</span><span class="pun">://</span><span class="lit">172.16</span><span class="pun">.</span><span class="lit">238.101</span><span class="pun">:</span><span class="lit">2379</span></code></li>
</ol>
```
- 致谢
- 目录
- 01. 前言
- 02. 修订记录
- 03. 如何贡献
- 04. Docker 简介
- 什么是 Docker
- 为什么要用 Docker
- 05. 基本概念
- 镜像
- 容器
- 仓库
- 06. 安装 Docker
- Ubuntu
- Debian
- CentOS
- Raspberry Pi
- macOS
- Windows PC
- 镜像加速器
- 07.使用镜像
- 获取镜像
- 列出镜像
- 删除本地镜像
- 利用 commit 理解镜像构成
- 使用 Dockerfile 定制镜像
- Dockerfile 指令详解
- COPY 复制文件
- ADD 更高级的复制文件
- CMD 容器启动命令
- ENTRYPOINT 入口点
- ENV 设置环境变量
- ARG 构建参数
- VOLUME 定义匿名卷
- EXPOSE 暴露端口
- WORKDIR 指定工作目录
- USER 指定当前用户
- HEALTHCHECK 健康检查
- ONBUILD 为他人作嫁衣裳
- 参考文档
- Dockerfile 多阶段构建
- 其它制作镜像的方式
- 实现原理
- 08. 操作容器
- 启动
- 守护态运行
- 终止
- 进入容器
- 导出和导入
- 删除
- 09. 访问仓库
- Docker Hub
- 私有仓库
- 私有仓库高级配置
- 10. 数据管理
- 数据卷
- 监听主机目录
- 11. 使用网络
- 外部访问容器
- 容器互联
- 配置 DNS
- 12. 高级网络配置
- 快速配置指南
- 容器访问控制
- 配置 docker0 网桥
- 自定义网桥
- 工具和示例
- 编辑网络配置文件
- 实例：创建一个点到点连接
- 映射容器端口到宿主主机的实现
- 13. Docker 三剑客之 Compose 项目
- 简介
- 安装与卸载
- 使用
- 命令说明
- Compose 模板文件
- 实战 Django
- 实战 Rails
- 实战 WordPress
- 14. Docker 三剑客之 Machine 项目
- 安装
- 使用
- 15. Docker 三剑客之 Docker Swarm
- 16. Swarm mode
- 基本概念
- 创建 Swarm 集群
- 部署服务
- 使用 compose 文件
- 管理敏感数据
- 管理配置信息
- 17. 安全
- 内核命名空间
- 控制组
- 服务端防护
- 内核能力机制
- 其它安全特性
- 总结
- 18. 底层实现
- 基本架构
- 命名空间
- 控制组
- 联合文件系统
- 容器格式
- 网络
- 19. Etcd 项目
- 简介
- 安装
- 集群
- 使用 etcdctl
- 使用 etcdctl v2
- 20. CoreOS 项目
- 简介
- 工具
- 快速搭建 CoreOS 集群
- 21. Kubernetes 项目
- 简介
- 快速上手
- 基本概念
- kubectl 使用
- 架构设计
- 22. Mesos - 优秀的集群资源调度平台
- Mesos 简介
- 安装与使用
- 原理与架构
- Mesos 配置项解析
- 日志与监控
- 常见应用框架
- 本章小结
- 23. 容器与云计算
- 简介
- 亚马逊云
- 腾讯云
- 阿里云
- 小结
- 24. 实战案例-操作系统
- Busybox
- Alpine
- Debian Ubuntu
- CentOS Fedora
- 本章小结
- 25. 实战案例-CI-CD
- Drone
- 26. Docker 开源项目
- LinuxKit
- 27. 附录
- 附录一：常见问题总结
- 附录二：热门镜像介绍
- Ubuntu
- CentOS
- MySQL
- MongoDB
- Redis
- Nginx
- WordPress
- Node.js
- 附录三：Docker 命令查询
- 附录四：Dockerfile 最佳实践
- 附录五：资源链接
- 附录六：Docker 中文资源