{"id":2195,"date":"2020-03-11T20:42:58","date_gmt":"2020-03-11T12:42:58","guid":{"rendered":"http:\/\/www.fatesky.com\/?p=2195"},"modified":"2024-03-19T21:58:57","modified_gmt":"2024-03-19T13:58:57","slug":"consul%e9%9b%86%e7%be%a4%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/www.fatesky.com\/?p=2195","title":{"rendered":"Consul\u96c6\u7fa4\u914d\u7f6e"},"content":{"rendered":"\n<p>\u4e0a\u56fe\u662f\u5b98\u7f51\u63d0\u4f9b\u7684\u4e00\u4e2a\u4e8b\u4f8b\u7cfb\u7edf\u56fe\uff0c\u56fe\u4e2d\u7684Server\u662fconsul\u670d\u52a1\u7aef\u9ad8\u53ef\u7528\u96c6\u7fa4\uff0cClient\u662fconsul\u5ba2\u6237\u7aef\u3002consul\u5ba2\u6237\u7aef\u4e0d\u4fdd\u5b58\u6570\u636e\uff0c\u5ba2\u6237\u7aef\u5c06\u63a5\u6536\u5230\u7684\u8bf7\u6c42\u8f6c\u53d1\u7ed9\u54cd\u5e94\u7684Server\u7aef\u3002Server\u4e4b\u95f4\u901a\u8fc7\u5c40\u57df\u7f51\u6216\u5e7f\u57df\u7f51\u901a\u4fe1\u5b9e\u73b0\u6570\u636e\u4e00\u81f4\u6027\u3002\u6bcf\u4e2aServer\u6216Client\u90fd\u662f\u4e00\u4e2aconsul agent\u3002<\/p>\n\n\n\n<p>Consul\u96c6\u7fa4\u95f4\u4f7f\u7528\u4e86GOSSIP\u534f\u8bae\u901a\u4fe1\u548craft\u4e00\u81f4\u6027\u7b97\u6cd5\u3002\u4e0a\u9762\u8fd9\u5f20\u56fe\u6d89\u53ca\u5230\u4e86\u5f88\u591a\u672f\u8bed\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Agent\u2014\u2014agent\u662f\u4e00\u76f4\u8fd0\u884c\u5728Consul\u96c6\u7fa4\u4e2d\u6bcf\u4e2a\u6210\u5458\u4e0a\u7684\u5b88\u62a4\u8fdb\u7a0b\u3002\u901a\u8fc7\u8fd0\u884c<code>consul agent<\/code>\u6765\u542f\u52a8\u3002agent\u53ef\u4ee5\u8fd0\u884c\u5728client\u6216\u8005server\u6a21\u5f0f\u3002\u6307\u5b9a\u8282\u70b9\u4f5c\u4e3aclient\u6216\u8005server\u662f\u975e\u5e38\u7b80\u5355\u7684\uff0c\u9664\u975e\u6709\u5176\u4ed6agent\u5b9e\u4f8b\u3002\u6240\u6709\u7684agent\u90fd\u80fd\u8fd0\u884cDNS\u6216\u8005HTTP\u63a5\u53e3\uff0c\u5e76\u8d1f\u8d23\u8fd0\u884c\u65f6\u68c0\u67e5\u548c\u4fdd\u6301\u670d\u52a1\u540c\u6b65\u3002<\/li><li>Client\u2014\u2014\u4e00\u4e2aClient\u662f\u4e00\u4e2a\u8f6c\u53d1\u6240\u6709RPC\u5230server\u7684\u4ee3\u7406\u3002\u8fd9\u4e2aclient\u662f\u76f8\u5bf9\u65e0\u72b6\u6001\u7684\u3002client\u552f\u4e00\u6267\u884c\u7684\u540e\u53f0\u6d3b\u52a8\u662f\u52a0\u5165LAN gossip\u6c60\u3002\u8fd9\u6709\u4e00\u4e2a\u6700\u4f4e\u7684\u8d44\u6e90\u5f00\u9500\u5e76\u4e14\u4ec5\u6d88\u8017\u5c11\u91cf\u7684\u7f51\u7edc\u5e26\u5bbd\u3002<\/li><li>Server\u2014\u2014\u4e00\u4e2aserver\u662f\u4e00\u4e2a\u6709\u4e00\u7ec4\u6269\u5c55\u529f\u80fd\u7684\u4ee3\u7406\uff0c\u8fd9\u4e9b\u529f\u80fd\u5305\u62ec\u53c2\u4e0eRaft\u9009\u4e3e\uff0c\u7ef4\u62a4\u96c6\u7fa4\u72b6\u6001\uff0c\u54cd\u5e94RPC\u67e5\u8be2\uff0c\u4e0e\u5176\u4ed6\u6570\u636e\u4e2d\u5fc3\u4ea4\u4e92WAN gossip\u548c\u8f6c\u53d1\u67e5\u8be2\u7ed9leader\u6216\u8005\u8fdc\u7a0b\u6570\u636e\u4e2d\u5fc3\u3002<\/li><li>DataCenter\u2014\u2014\u867d\u7136\u6570\u636e\u4e2d\u5fc3\u7684\u5b9a\u4e49\u662f\u663e\u800c\u6613\u89c1\u7684\uff0c\u4f46\u662f\u6709\u4e00\u4e9b\u7ec6\u5fae\u7684\u7ec6\u8282\u5fc5\u987b\u8003\u8651\u3002\u4f8b\u5982\uff0c\u5728EC2\u4e2d\uff0c\u591a\u4e2a\u53ef\u7528\u533a\u57df\u88ab\u8ba4\u4e3a\u7ec4\u6210\u4e00\u4e2a\u6570\u636e\u4e2d\u5fc3\u3002\u6211\u4eec\u5b9a\u4e49\u6570\u636e\u4e2d\u5fc3\u4e3a\u4e00\u4e2a\u79c1\u6709\u7684\uff0c\u4f4e\u5ef6\u8fdf\u548c\u9ad8\u5e26\u5bbd\u7684\u4e00\u4e2a\u7f51\u7edc\u73af\u5883\u3002\u8fd9\u4e0d\u5305\u62ec\u8bbf\u95ee\u516c\u5171\u7f51\u7edc\uff0c\u4f46\u662f\u5bf9\u4e8e\u6211\u4eec\u800c\u8a00\uff0c\u540c\u4e00\u4e2aEC2\u4e2d\u7684\u591a\u4e2a\u53ef\u7528\u533a\u57df\u53ef\u4ee5\u88ab\u8ba4\u4e3a\u662f\u4e00\u4e2a\u6570\u636e\u4e2d\u5fc3\u7684\u4e00\u90e8\u5206\u3002<\/li><li>Consensus\u2014\u2014\u4e00\u81f4\u6027\uff0c\u4f7f\u7528Consensus\u6765\u8868\u660e\u5c31leader\u9009\u4e3e\u548c\u4e8b\u52a1\u7684\u987a\u5e8f\u8fbe\u6210\u4e00\u81f4\u3002\u4e3a\u4e86\u4ee5\u5bb9\u9519\u65b9\u5f0f\u8fbe\u6210\u4e00\u81f4\uff0c\u4e00\u822c\u6709\u8d85\u8fc7\u534a\u6570\u4e00\u81f4\u5219\u53ef\u4ee5\u8ba4\u4e3a\u6574\u4f53\u4e00\u81f4\u3002Consul\u4f7f\u7528Raft\u5b9e\u73b0\u4e00\u81f4\u6027\uff0c\u8fdb\u884cleader\u9009\u4e3e\uff0c\u5728consul\u4e2d\u7684\u4f7f\u7528bootstrap\u65f6\uff0c\u53ef\u4ee5\u8fdb\u884c\u81ea\u9009\uff0c\u5176\u4ed6server\u52a0\u5165\u8fdb\u6765\u540ebootstrap\u5c31\u53ef\u4ee5\u53d6\u6d88\u3002<\/li><li>Gossip\u2014\u2014Consul\u5efa\u7acb\u5728Serf\u7684\u57fa\u7840\u4e4b\u4e0a\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7528\u4e8e\u591a\u64ad\u76ee\u7684\u7684\u5b8c\u6574\u7684gossip\u534f\u8bae\u3002Serf\u63d0\u4f9b\u6210\u5458\u5173\u7cfb\uff0c\u6545\u969c\u68c0\u6d4b\u548c\u4e8b\u4ef6\u5e7f\u64ad\u3002Serf\u662f\u53bb\u4e2d\u5fc3\u5316\u7684\u670d\u52a1\u53d1\u73b0\u548c\u7f16\u5236\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u8282\u70b9\u5931\u8d25\u4fa6\u6d4b\u4e0e\u53d1\u73b0\uff0c\u5177\u6709\u5bb9\u9519\u3001\u8f7b\u91cf\u3001\u9ad8\u53ef\u7528\u7684\u7279\u70b9\u3002<\/li><li>LAN Gossip\u2014\u2014\u5b83\u5305\u542b\u6240\u6709\u4f4d\u4e8e\u540c\u4e00\u4e2a\u5c40\u57df\u7f51\u6216\u8005\u6570\u636e\u4e2d\u5fc3\u7684\u6240\u6709\u8282\u70b9\u3002<\/li><li>WAN Gossip\u2014\u2014\u5b83\u53ea\u5305\u542bServer\u3002\u8fd9\u4e9bserver\u4e3b\u8981\u5206\u5e03\u5728\u4e0d\u540c\u7684\u6570\u636e\u4e2d\u5fc3\u5e76\u4e14\u901a\u5e38\u901a\u8fc7\u56e0\u7279\u7f51\u6216\u8005\u5e7f\u57df\u7f51\u901a\u4fe1\u3002<\/li><li>RPC\u2014\u2014\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528\u3002\u8fd9\u662f\u4e00\u4e2a\u5141\u8bb8client\u8bf7\u6c42server\u7684\u8bf7\u6c42\/\u54cd\u5e94\u673a\u5236\u3002<\/li><\/ul>\n\n\n\n<p>\u5728\u6bcf\u4e2a\u6570\u636e\u4e2d\u5fc3\uff0cclient\u548cserver\u662f\u6df7\u5408\u7684\u3002\u4e00\u822c\u5efa\u8bae\u67093-5\u53f0server\u3002\u8fd9\u662f\u57fa\u4e8e\u6709\u6545\u969c\u60c5\u51b5\u4e0b\u7684\u53ef\u7528\u6027\u548c\u6027\u80fd\u4e4b\u95f4\u7684\u6743\u8861\u7ed3\u679c\uff0c\u56e0\u4e3a\u8d8a\u591a\u7684\u673a\u5668\u52a0\u5165\u8fbe\u6210\u5171\u8bc6\u8d8a\u6162\u3002\u7136\u800c\uff0c\u5e76\u4e0d\u9650\u5236client\u7684\u6570\u91cf\uff0c\u5b83\u4eec\u53ef\u4ee5\u5f88\u5bb9\u6613\u7684\u6269\u5c55\u5230\u6570\u5343\u6216\u8005\u6570\u4e07\u53f0\u3002<\/p>\n\n\n\n<p>\u540c\u4e00\u4e2a\u6570\u636e\u4e2d\u5fc3\u7684\u6240\u6709\u8282\u70b9\u90fd\u5fc5\u987b\u52a0\u5165gossip\u534f\u8bae\u3002\u8fd9\u610f\u5473\u7740gossip\u534f\u8bae\u5305\u542b\u4e00\u4e2a\u7ed9\u5b9a\u6570\u636e\u4e2d\u5fc3\u7684\u6240\u6709\u8282\u70b9\u3002\u8fd9\u670d\u52a1\u4e8e\u51e0\u4e2a\u76ee\u7684\uff1a\u7b2c\u4e00\uff0c\u4e0d\u9700\u8981\u5728client\u4e0a\u914d\u7f6eserver\u5730\u5740\u3002\u53d1\u73b0\u90fd\u662f\u81ea\u52a8\u5b8c\u6210\u7684\u3002\u7b2c\u4e8c\uff0c\u68c0\u6d4b\u8282\u70b9\u6545\u969c\u7684\u5de5\u4f5c\u4e0d\u662f\u653e\u5728server\u4e0a\uff0c\u800c\u662f\u5206\u5e03\u5f0f\u7684\u3002\u8fd9\u662f\u7684\u6545\u969c\u68c0\u6d4b\u76f8\u6bd4\u5fc3\u8df3\u673a\u5236\u6709\u66f4\u9ad8\u7684\u53ef\u6269\u5c55\u6027\u3002\u7b2c\u4e09\uff1a\u5b83\u7528\u6765\u4f5c\u4e3a\u4e00\u4e2a\u6d88\u606f\u5c42\u6765\u901a\u77e5\u4e8b\u4ef6\uff0c\u6bd4\u5982leader\u9009\u4e3e\u53d1\u751f\u65f6\u3002<\/p>\n\n\n\n<p>\u6bcf\u4e2a\u6570\u636e\u4e2d\u5fc3\u7684server\u90fd\u662fRaft\u8282\u70b9\u96c6\u5408\u7684\u4e00\u90e8\u5206\u3002\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u4e00\u8d77\u5de5\u4f5c\u5e76\u9009\u51fa\u4e00\u4e2aleader\uff0c\u4e00\u4e2a\u6709\u989d\u5916\u5de5\u4f5c\u7684server\u3002leader\u8d1f\u8d23\u5904\u7406\u6240\u6709\u7684\u67e5\u8be2\u548c\u4e8b\u52a1\u3002\u4f5c\u4e3a\u4e00\u81f4\u6027\u534f\u8bae\u7684\u4e00\u90e8\u5206\uff0c\u4e8b\u52a1\u4e5f\u5fc5\u987b\u88ab\u590d\u5236\u5230\u6240\u6709\u5176\u4ed6\u7684\u8282\u70b9\u3002\u56e0\u4e3a\u8fd9\u4e00\u8981\u6c42\uff0c\u5f53\u4e00\u4e2a\u975eleader\u5f97server\u6536\u5230\u4e00\u4e2aRPC\u8bf7\u6c42\u65f6\uff0c\u5b83\u5c06\u8bf7\u6c42\u8f6c\u53d1\u7ed9\u96c6\u7fa4leader\u3002<\/p>\n\n\n\n<p>server\u8282\u70b9\u4e5f\u4f5c\u4e3aWAN gossip Pool\u7684\u4e00\u90e8\u5206\u3002\u8fd9\u4e2aPool\u4e0d\u540c\u4e8eLAN Pool\uff0c\u56e0\u4e3a\u5b83\u662f\u4e3a\u4e86\u4f18\u5316\u4e92\u8054\u7f51\u66f4\u9ad8\u7684\u5ef6\u8fdf\uff0c\u5e76\u4e14\u5b83\u53ea\u5305\u542b\u5176\u4ed6Consul server\u8282\u70b9\u3002\u8fd9\u4e2aPool\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u5141\u8bb8\u6570\u636e\u4e2d\u5fc3\u80fd\u591f\u4ee5low-touch\u7684\u65b9\u5f0f\u53d1\u73b0\u5f7c\u6b64\u3002\u8fd9\u4f7f\u5f97\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u4e2d\u5fc3\u53ef\u4ee5\u5f88\u5bb9\u6613\u7684\u52a0\u5165\u73b0\u5b58\u7684WAN gossip\u3002\u56e0\u4e3aserver\u90fd\u8fd0\u884c\u5728\u8fd9\u4e2apool\u4e2d\uff0c\u5b83\u4e5f\u652f\u6301\u8de8\u6570\u636e\u4e2d\u5fc3\u8bf7\u6c42\u3002\u5f53\u4e00\u4e2aserver\u6536\u5230\u6765\u81ea\u53e6\u4e00\u4e2a\u6570\u636e\u4e2d\u5fc3\u7684\u8bf7\u6c42\u65f6\uff0c\u5b83\u968f\u5373\u8f6c\u53d1\u7ed9\u6b63\u786e\u6570\u636e\u4e2d\u60f3\u4e00\u4e2aserver\u3002\u8be5server\u518d\u8f6c\u53d1\u7ed9\u672c\u5730leader\u3002<\/p>\n\n\n\n<p>\u8fd9\u4f7f\u5f97\u6570\u636e\u4e2d\u5fc3\u4e4b\u95f4\u53ea\u6709\u4e00\u4e2a\u5f88\u4f4e\u7684\u8026\u5408\uff0c\u4f46\u662f\u7531\u4e8e\u6545\u969c\u68c0\u6d4b\uff0c\u8fde\u63a5\u7f13\u5b58\u548c\u590d\u7528\uff0c\u8de8\u6570\u636e\u4e2d\u5fc3\u7684\u8bf7\u6c42\u90fd\u662f\u76f8\u5bf9\u5feb\u901f\u548c\u53ef\u9760\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"title-1\">consul\u73af\u5883\u51c6\u5907<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"\"><thead><tr><th>IP<\/th><th>\u8282\u70b9\u540d\u79f0<\/th><th>Consul\u89d2\u8272<\/th><\/tr><\/thead><tbody><tr><td>10.200.119.171<\/td><td>s1<\/td><td>Server<\/td><\/tr><tr><td>10.200.119.172<\/td><td>s2<\/td><td>Server<\/td><\/tr><tr><td>10.200.119.173<\/td><td>s3<\/td><td>Server<\/td><\/tr><tr><td>10.200.119.60<\/td><td>c1<\/td><td>Client\uff08UI\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"title-2\">consul\u4e0b\u8f7d\u548c\u76ee\u5f55\u521b\u5efa<\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>https:\/\/releases.hashicorp.com\/consul\/1.4.3\/consul_1.4.3_linux_amd64.zip<\/li><li class=\"\">unzip&nbsp;consul_1.4.3_linux_amd64.zip<\/li><li>mv&nbsp;consul&nbsp;\/usr\/local\/bin\/<\/li><li class=\"\">mkdir&nbsp;-p&nbsp;\/data\/consul\/{data,config}&nbsp;#\u521b\u5efa\u6570\u636e\u76ee\u5f55\u548c\u914d\u7f6e\u76ee\u5f55<\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"title-3\">consul acl<\/h3>\n\n\n\n<p>\u5bf9\u6570\u636e\u4e2d\u5fc3\u7684\u6bcf\u4e2aserver\uff0c\u6dfb\u52a0\/data\/consul\/config\/acl_config.json\u914d\u7f6e:<\/p>\n\n\n\n<p>\u53c2\u8003\uff1a\u300aconsul ACL\u914d\u7f6e\u4f7f\u7528\u300b<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"title-4\">consul agent\u53c2\u6570<\/h3>\n\n\n\n<p><code>consul agent --help<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">-advertise\uff1a\u901a\u77e5\u5c55\u73b0\u5730\u5740\u7528\u6765\u6539\u53d8\u6211\u4eec\u7ed9\u96c6\u7fa4\u4e2d\u7684\u5176\u4ed6\u8282\u70b9\u5c55\u73b0\u7684\u5730\u5740\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b-bind\u5730\u5740\u5c31\u662f\u5c55\u73b0\u5730\u5740&nbsp;-bootstrap\uff1a\u7528\u6765\u63a7\u5236\u4e00\u4e2aserver\u662f\u5426\u5728bootstrap\u6a21\u5f0f\uff0c\u5728\u4e00\u4e2adatacenter\u4e2d\u53ea\u80fd\u6709\u4e00\u4e2aserver\u5904\u4e8ebootstrap\u6a21\u5f0f\uff0c\u5f53\u4e00\u4e2aserver\u5904\u4e8ebootstrap\u6a21\u5f0f\u65f6\uff0c\u53ef\u4ee5\u81ea\u5df1\u9009\u4e3e\u4e3araft leader\u3002-bootstrap-expect\uff1a\u5728\u4e00\u4e2adatacenter\u4e2d\u671f\u671b\u63d0\u4f9b\u7684server\u8282\u70b9\u6570\u76ee\uff0c\u5f53\u8be5\u503c\u63d0\u4f9b\u7684\u65f6\u5019\uff0cconsul\u4e00\u76f4\u7b49\u5230\u8fbe\u5230\u6307\u5b9asever\u6570\u76ee\u7684\u65f6\u5019\u624d\u4f1a\u5f15\u5bfc\u6574\u4e2a\u96c6\u7fa4\uff0c\u8be5\u6807\u8bb0\u4e0d\u80fd\u548cbootstrap\u516c\u7528\u3002&nbsp;-bind\uff1a\u8be5\u5730\u5740\u7528\u6765\u5728\u96c6\u7fa4\u5185\u90e8\u7684\u901a\u8baf\uff0c\u96c6\u7fa4\u5185\u7684\u6240\u6709\u8282\u70b9\u5230\u5730\u5740\u90fd\u5fc5\u987b\u662f\u53ef\u8fbe\u7684\uff0c\u9ed8\u8ba4\u662f0.0.0.0\u3002&nbsp;-client\uff1aconsul\u7ed1\u5b9a\u5728\u54ea\u4e2aclient\u5730\u5740\u4e0a\uff0c\u8fd9\u4e2a\u5730\u5740\u63d0\u4f9bHTTP\u3001DNS\u3001RPC\u7b49\u670d\u52a1\uff0c\u9ed8\u8ba4\u662f127.0.0.1\u3002&nbsp;-config-file\uff1a\u660e\u786e\u7684\u6307\u5b9a\u8981\u52a0\u8f7d\u54ea\u4e2a\u914d\u7f6e\u6587\u4ef6\u3002&nbsp;-config-dir\uff1a\u914d\u7f6e\u6587\u4ef6\u76ee\u5f55\uff0c\u91cc\u9762\u6240\u6709\u4ee5.json\u7ed3\u5c3e\u7684\u6587\u4ef6\u90fd\u4f1a\u88ab\u52a0\u8f7d&nbsp;-data-dir\uff1a\u63d0\u4f9b\u4e00\u4e2a\u76ee\u5f55\u7528\u6765\u5b58\u653eagent\u7684\u72b6\u6001\uff0c\u6240\u6709\u7684agent\u90fd\u9700\u8981\u8be5\u76ee\u5f55\uff0c\u8be5\u76ee\u5f55\u5fc5\u987b\u662f\u7a33\u5b9a\u7684\uff0c\u7cfb\u7edf\u91cd\u542f\u540e\u90fd\u7ee7\u7eed\u5b58\u5728\u3002&nbsp;-dc\uff1a\u8be5\u6807\u8bb0\u63a7\u5236agent\u7684datacenter\u7684\u540d\u79f0\uff0c\u9ed8\u8ba4\u662fdc1\u3002&nbsp;-encrypt\uff1a\u6307\u5b9asecret key\uff0c\u4f7fconsul\u5728\u901a\u8baf\u65f6\u8fdb\u884c\u52a0\u5bc6\uff0ckey\u53ef\u4ee5\u901a\u8fc7consul keygen\u751f\u6210\uff0c\u540c\u4e00\u4e2a\u96c6\u7fa4\u4e2d\u7684\u8282\u70b9\u5fc5\u987b\u4f7f\u7528\u76f8\u540c\u7684key\u3002&nbsp;-join\uff1a\u52a0\u5165\u4e00\u4e2a\u5df2\u7ecf\u542f\u52a8\u7684agent\u7684ip\u5730\u5740\uff0c\u53ef\u4ee5\u591a\u6b21\u6307\u5b9a\u591a\u4e2aagent\u7684\u5730\u5740\u3002\u5982\u679cconsul\u4e0d\u80fd\u52a0\u5165\u4efb\u4f55\u6307\u5b9a\u7684\u5730\u5740\u4e2d\uff0c\u5219agent\u4f1a\u542f\u52a8\u5931\u8d25\u3002\u9ed8\u8ba4agent\u542f\u52a8\u65f6\u4e0d\u4f1a\u52a0\u5165\u4efb\u4f55\u8282\u70b9\u3002&nbsp;-retry-join\uff1a\u548cjoin\u7c7b\u4f3c\uff0c\u4f46\u662f\u5141\u8bb8\u4f60\u5728\u7b2c\u4e00\u6b21\u5931\u8d25\u540e\u8fdb\u884c\u5c1d\u8bd5\u3002&nbsp;-retry-interval\uff1a\u4e24\u6b21join\u4e4b\u95f4\u7684\u65f6\u95f4\u95f4\u9694\uff0c\u9ed8\u8ba4\u662f30s\u3002&nbsp;-retry-max\uff1a\u5c1d\u8bd5\u91cd\u590djoin\u7684\u6b21\u6570\uff0c\u9ed8\u8ba4\u662f0\uff0c\u4e5f\u5c31\u662f\u65e0\u9650\u6b21\u5c1d\u8bd5\u3002&nbsp;-log-level\uff1aconsul agent\u542f\u52a8\u540e\u663e\u793a\u7684\u65e5\u5fd7\u4fe1\u606f\u7ea7\u522b\u3002\u9ed8\u8ba4\u662finfo\uff0c\u53ef\u9009\uff1atrace\u3001debug\u3001info\u3001warn\u3001err\u3002&nbsp;-node\uff1a\u8282\u70b9\u5728\u96c6\u7fa4\u4e2d\u7684\u540d\u79f0\uff0c\u5728\u4e00\u4e2a\u96c6\u7fa4\u4e2d\u5fc5\u987b\u662f\u552f\u4e00\u7684\uff0c\u9ed8\u8ba4\u662f\u8be5\u8282\u70b9\u7684\u4e3b\u673a\u540d\u3002&nbsp;-protocol\uff1aconsul\u4f7f\u7528\u7684\u534f\u8bae\u7248\u672c\u3002&nbsp;-rejoin\uff1a\u4f7fconsul\u5ffd\u7565\u5148\u524d\u7684\u79bb\u5f00\uff0c\u5728agent\u518d\u6b21\u542f\u52a8\u540e\u4ecd\u65e7\u5c1d\u8bd5\u52a0\u5165\u96c6\u7fa4\u4e2d\u3002\u4e5f\u5c31\u662f\u8bf4\u5982\u679c\u4e0d\u52a0\u5165\u8fd9\u4e2a\u53c2\u6570\uff0c\u5f53\u524d\u8282\u70b9\u4e00\u65e6\u9000\u51fa\uff0c\u4e0b\u6b21\u91cd\u542f\u540e\u662f\u4e0d\u4f1a\u81ea\u52a8\u52a0\u5165\u5230\u96c6\u7fa4\u4e2d\u53bb\u7684\uff0c\u9664\u975e\u662f\u624b\u52a8\u89e6\u53d1 consul join xxxx \uff0c\u6240\u4ee5\u4e3a\u4e86\u964d\u4f4e\u91cd\u542f\u540e\u5bf9\u672c\u8eab\u670d\u52a1\u7684\u5f71\u54cd\uff0c\u8fd9\u91cc\u7edf\u4e00\u4f7f\u7528 -rejoin\u53c2\u6570\u3002-server\uff1a\u5b9a\u4e49agent\u8fd0\u884c\u5728server\u6a21\u5f0f\uff0c\u6bcf\u4e2a\u96c6\u7fa4\u81f3\u5c11\u6709\u4e00\u4e2aserver\uff0c\u5efa\u8bae\u6bcf\u4e2a\u96c6\u7fa4\u7684server\u4e0d\u8981\u8d85\u8fc75\u4e2a\u3002&nbsp;-syslog\uff1a\u5f00\u542f\u7cfb\u7edf\u65e5\u5fd7\u529f\u80fd\uff0c\u53ea\u5728linux\/osx\u4e0a\u751f\u6548\u3002&nbsp;-ui\uff1a\u542f\u7528\u5185\u7f6eWeb UI\u670d\u52a1&nbsp;-ui-dir:\u63d0\u4f9b\u5b58\u653eweb ui\u8d44\u6e90\u7684\u8def\u5f84\uff0c\u8be5\u76ee\u5f55\u5fc5\u987b\u662f\u53ef\u8bfb\u7684\u3002&nbsp;-pid-file:\u63d0\u4f9b\u4e00\u4e2a\u8def\u5f84\u6765\u5b58\u653epid\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u8be5\u6587\u4ef6\u8fdb\u884cSIGINT\/SIGHUP(\u5173\u95ed\/\u66f4\u65b0)agent\u3002<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"title-5\">consul\u914d\u7f6e\u6587\u4ef6<\/h3>\n\n\n\n<p>\u672c\u6587\u4e0d\u9002\u7528acl\u89c4\u5219<\/p>\n\n\n\n<p>10.200.119.171:\/etc\/sysconfig\/consul<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>CMD_OPTS=&#8221;agent&nbsp;-server&nbsp;-data-dir=\/data\/consul\/data&nbsp;-node=s1&nbsp;-config-dir=\/data\/consul\/config&nbsp;-bind=10.200.119.171&nbsp;-rejoin&nbsp;-client=0.0.0.0&nbsp;-bootstrap&#8221;<\/li><\/ol>\n\n\n\n<p>10.200.119.172:\/etc\/sysconfig\/consul<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>CMD_OPTS=&#8221;agent&nbsp;-server&nbsp;-data-dir=\/data\/consul\/data&nbsp;-node=s2&nbsp;-config-dir=\/data\/consul\/config&nbsp;-bind=10.200.119.172&nbsp;-rejoin&nbsp;-client=0.0.0.0&#8243;<\/li><\/ol>\n\n\n\n<p>10.200.119.173:\/etc\/sysconfig\/consul<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>CMD_OPTS=&#8221;agent&nbsp;-server&nbsp;-data-dir=\/data\/consul\/data&nbsp;-node=s3&nbsp;-config-dir=\/data\/consul\/config&nbsp;-bind=10.200.119.173&nbsp;-rejoin&nbsp;-client=0.0.0.0&#8243;<\/li><\/ol>\n\n\n\n<p>10.200.119.60:\/etc\/sysconfig\/consul<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>CMD_OPTS=&#8221;agent&nbsp;-ui&nbsp;-data-dir=\/data\/consul\/data&nbsp;-node=c1&nbsp;-config-dir=\/data\/consul\/config&nbsp;-bind=10.200.119.60&nbsp;-rejoin&nbsp;-client=0.0.0.0&#8243;<\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"title-6\">consul systemd\u81ea\u542f\u52a8<\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>cat&nbsp;<strong>&gt;<\/strong>&nbsp;\/lib\/systemd\/system\/consul.service&nbsp;<strong>&lt;<\/strong><strong>&lt;<\/strong>&nbsp;<strong>EOF<\/strong><\/li><li class=\"\">[Unit]<\/li><li>Description=Consul&nbsp;is&nbsp;a&nbsp;tool&nbsp;for&nbsp;service&nbsp;discovery&nbsp;and&nbsp;configuration.&nbsp;Consul&nbsp;is&nbsp;distributed,&nbsp;highly&nbsp;available,&nbsp;and&nbsp;extremely&nbsp;scalable.<\/li><li class=\"\">Documentation=http:\/\/www.consul.io<\/li><li>After=network-online.target<\/li><li class=\"\">Wants=network-online.target<\/li><li class=\"\">[Service]<\/li><li>LimitCORE=infinity<\/li><li class=\"\">LimitNOFILE=100000<\/li><li>LimitNPROC=100000<\/li><li class=\"\">EnvironmentFile=-\/etc\/sysconfig\/consul<\/li><li>ExecStart=\/usr\/local\/bin\/consul&nbsp;\\$CMD_OPTS<\/li><li class=\"\">ExecReload=\/bin\/kill&nbsp;-HUP&nbsp;\\$MAINPID<\/li><li>KillSignal=SIGINT<\/li><li>[Install]<\/li><li class=\"\">WantedBy=multi-user.target<\/li><li>EOF<\/li><li>systemctl&nbsp;enable&nbsp;consul<\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"title-7\">consul\u8282\u70b9\u52a0\u5165\u96c6\u7fa4<\/h3>\n\n\n\n<p>4\u4e2a\u8282\u70b9\u5206\u522b\u542f\u52a8consul<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>systemctl&nbsp;start&nbsp;consul<\/li><\/ol>\n\n\n\n<p>\u5728s2\u3001s3\u3001c1\u52a0\u5165s1\u96c6\u7fa4\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>consul&nbsp;join&nbsp;10.200.119.171<\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"title-8\">consul\u67e5\u770b\u72b6\u6001<\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>[root@10-200-119-60&nbsp;~]#&nbsp;consul&nbsp;members<\/li><li class=\"\">Node&nbsp;Address&nbsp;Status&nbsp;Type&nbsp;Build&nbsp;Protocol&nbsp;DC&nbsp;Segment<\/li><li>s1&nbsp;10.200.119.171:8301&nbsp;alive&nbsp;server&nbsp;1.4.3&nbsp;2&nbsp;dc1&nbsp;<strong>&lt;<\/strong><strong>all<\/strong><strong>&gt;<\/strong><\/li><li class=\"\">s2&nbsp;10.200.119.172:8301&nbsp;alive&nbsp;server&nbsp;1.4.3&nbsp;2&nbsp;dc1&nbsp;<strong>&lt;<\/strong><strong>all<\/strong><strong>&gt;<\/strong><\/li><li>s3&nbsp;10.200.119.173:8301&nbsp;alive&nbsp;server&nbsp;1.4.3&nbsp;2&nbsp;dc1&nbsp;<strong>&lt;<\/strong><strong>all<\/strong><strong>&gt;<\/strong><\/li><li class=\"\">c1&nbsp;10.200.119.60:8301&nbsp;alive&nbsp;client&nbsp;1.4.3&nbsp;2&nbsp;dc1&nbsp;<strong>&lt;<\/strong><strong>default<\/strong><strong>&gt;<\/strong><\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"title-9\">consul UI<\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/linuxeye.com\/wp-content\/uploads\/2019\/03\/consul-ui.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/linuxeye.com\/wp-content\/uploads\/2019\/03\/consul-ui.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"Consul\u96c6\u7fa4\u914d\u7f6e\"\/><\/div><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0a\u56fe\u662f\u5b98\u7f51\u63d0\u4f9b\u7684\u4e00\u4e2a\u4e8b\u4f8b\u7cfb\u7edf\u56fe\uff0c\u56fe\u4e2d\u7684Server\u662fconsul\u670d\u52a1\u7aef\u9ad8\u53ef\u7528\u96c6\u7fa4\uff0cClient\u662fconsul\u5ba2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2214,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[52,35],"class_list":["post-2195","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2","tag-consul","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts\/2195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2195"}],"version-history":[{"count":1,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts\/2195\/revisions"}],"predecessor-version":[{"id":3386,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts\/2195\/revisions\/3386"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/media\/2214"}],"wp:attachment":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}