\u4e3b\u8981\u4ecb\u7ecd\u591a\u4e3b\u673a\u7f51\u7edc\u7684\u57fa\u672c\u6982\u5ff5\u548cDocker\u7684Swarm\u6a21\u5f0f,\u4e00\u4e2a\u7528\u4e8e\u7ba1\u7406\u591a\u53f0\u7269\u7406\u673a\u4e0a\u5bb9\u5668\u7684\u5185\u7f6e\u7f16\u6392\u5de5\u5177;<\/p>\n
— Docker\u5f15\u64ce-Swarm\u6a21\u5f0f;
\n\u628aMySQL\u5bb9\u5668\u8fd0\u884c\u5230\u591a\u4e2a\u5bbf\u4e3b\u673a\u4e0a\u4f1a\u6839\u636e\u9009\u62e9\u7684\u96c6\u7fa4\u6280\u672f\u4e0d\u540c\u800c\u53d8\u7684\u590d\u6742;<\/p>\n
\u5728\u6211\u4eec\u5c1d\u8bd5\u628aMySQL\u8fd0\u884c\u5728\u5bb9\u5668+\u591a\u4e3b\u673a\u7f51\u7edc\u7684\u73af\u5883\u4e2d,\u5fc5\u987b\u8981\u7406\u89e3image\u662f\u600e\u4e48\u5de5\u4f5c\u7684;\u6709\u591a\u5c11\u7684\u8d44\u6e90(\u78c1\u76d8,\u5185\u5b58,CPU)\u9700\u8981\u5206\u914d,\u7f51\u7edc(overlay\u7f51\u7edc\u7684\u9009\u62e9:\u9ed8\u8ba4,flannel,weave\u7b49)\u548c\u5bb9\u9519\u6027(\u5bb9\u5668\u662f\u600e\u4e48\u91cd\u65b0\u5206\u5e03,\u6545\u969c\u8f6c\u79fb\u548c\u8d1f\u8f7d\u5747\u8861\u7684);\u6240\u6709\u7684\u8fd9\u4e9b\u90fd\u4f1a\u5f71\u54cd\u6574\u4f53\u7684\u6570\u636e\u5e93\u64cd\u4f5c,\u542f\u52a8\u65f6\u95f4\u548c\u6027\u80fd;\u975e\u5e38\u63a8\u8350\u5728Docker\u5f15\u64ce\u96c6\u7fa4\u7684\u4e0a\u9762\u4f7f\u7528\u4e00\u4e2a\u7f16\u6392\u5de5\u5177\u6765\u83b7\u5f97\u66f4\u597d\u7684\u7ba1\u7406\u6027\u548c\u6269\u5c55\u6027;\u6700\u65b0\u7684Docker\u5f15\u64ce(v1.12,2016.06.14\u53d1\u5e03\u7684)\u5305\u542b\u4e86\u539f\u751f\u7ba1\u7406Docker\u5f15\u64ce\u96c6\u7fa4\u7684\u5de5\u5177,\u53ebSwarm\u6a21\u5f0f;Docker\u5f15\u64ce\u7684Swarm\u6a21\u5f0f\u548cDocker Swarm\u662f\u4e24\u4e2a\u4e0d\u540c\u7684\u9879\u76ee,\u5c3d\u7ba1\u4e24\u8005\u7684\u5de5\u4f5c\u539f\u7406\u5f88\u50cf,\u4f46\u662f\u4f7f\u7528\u4e0d\u540c\u7684\u5b89\u88c5\u6b65\u9aa4;<\/p>\n
\u4e00\u4e9b\u5fc5\u8981\u7684\u77e5\u8bc6:
\n1.\u5fc5\u987b\u8981\u6253\u5f00\u7684\u7aef\u53e3:
\n 1)2377(TCP):\u7528\u4e8e\u96c6\u7fa4\u7ba1\u7406;
\n 2)7946(TCP and UDP):\u7528\u4e8e\u8282\u70b9\u95f4\u901a\u4fe1;
\n 3)4789(TCP and UDP):overlay\u7f51\u7edc\u4f20\u8f93;
\n2.\u4e24\u79cd\u7c7b\u578b\u7684\u8282\u70b9:
\n 1)Manager:\u7ba1\u7406\u8282\u70b9\u6267\u884c\u7f16\u6392\u548c\u96c6\u7fa4\u7ba1\u7406\u51fd\u6570\u4ece\u800c\u7ef4\u62a4swarm\u7684\u671f\u671b\u72b6\u6001(desired state),\u7ba1\u7406\u8282\u70b9\u9009\u4e3e\u51fa\u6765\u4e00\u4e2aleader\u6765\u6784\u5efa\u7f16\u6392\u4efb\u52a1;
\n 2)Worker:\u5de5\u4f5c\u8282\u70b9\u63a5\u6536\u5e76\u6267\u884c\u7ba1\u7406\u8282\u70b9\u5206\u6d3e\u7684\u4efb\u52a1,\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u7ba1\u7406\u8282\u70b9\u4e5f\u662f\u5de5\u4f5c\u8282\u70b9,\u4f46\u662f\u53ef\u4ee5\u914d\u7f6e\u7ba1\u7406\u8282\u70b9\u53ea\u505a\u7ba1\u7406\u8282\u70b9;<\/p>\n
\u8fd9\u7bc7\u6587\u7ae0,\u51c6\u5907\u90e8\u7f72\u5e94\u7528\u5bb9\u5668\u5230\u4e09\u53f0Docker\u5bbf\u4e3b\u673a(docker1, docker2, docker3)\u4e0a,\u5e76\u4f7f\u7528Galera\u96c6\u7fa4\u7684\u8d1f\u8f7d\u5747\u8861,\u901a\u8fc7\u591a\u4e3b\u673a\u73af\u5883\u95f4\u7684overlay\u7f51\u7edc\u8fdb\u884c\u7f51\u7edc\u8fde\u63a5;\u5c06\u4f7f\u7528Docker\u5f15\u64ce\u7684Swarm\u6a21\u5f0f\u4f5c\u4e3a\u7f16\u6392\u5de5\u5177;<\/p>\n
— \u542f\u52a8Swarm\u6a21\u5f0f;
\n\u9996\u5148\u9700\u8981\u914d\u7f6eDocker\u8282\u70b9\u5230Swarm\u6a21\u5f0f;Swarm\u6a21\u5f0f\u9700\u8981\u5947\u6570\u4e2a(\u63a8\u8350\u4e09\u4e2a,\u8282\u70b9\u6570\u8d8a\u591a\u6548\u7387\u8d8a\u4f4e)\u7ba1\u7406\u8282\u70b9\u6765\u7ef4\u62a4\u9519\u8bef\u65f6\u7684\u6cd5\u5b9a\u4eba\u6570;\u4f7f\u7528\u4e09\u53f0\u7269\u7406\u673a\u5668\u4f5c\u4e3a\u7ba1\u7406\u8282\u70b9,\u9ed8\u8ba4\u7684\u7ba1\u7406\u8282\u70b9\u4e5f\u662f\u5de5\u4f5c\u8282\u70b9;<\/p>\n
0.\u6d4b\u8bd5\u73af\u5883;
\ndocker1.htsec.com 192.168.10.201
\ndocker2.htsec.com 192.168.10.202
\ndocker3.htsec.com 192.168.10.203<\/p>\n
1.\u9996\u5148\u5728docker1\u4e0a\u521d\u59cb\u5316Swarm\u6a21\u5f0f,\u4f1a\u4f7f\u5f97\u8282\u70b9\u53d8\u6210\u4e3aManager\u548cLeader;
\n[root@docker1 ~]# docker swarm init –advertise-addr 192.168.10.201
\nSwarm initialized: current node (385guihkvrmuuuftm34ubr9v2) is now a manager.<\/p>\n
To add a worker to this swarm, run the following command:<\/p>\n
docker swarm join \\
\n –token SWMTKN-1-43yqmld4mddoddnaxpslsg9s6abxfkkzrbprizzqoofad4rma1-4370suyaolwu0ts8ujv3r7xy2 \\
\n 192.168.10.201:2377<\/p>\n
To add a manager to this swarm, run ‘docker swarm join-token manager’ and follow the instructions.<\/p>\n
2.\u51c6\u5907\u628a\u53e6\u5916\u4e24\u53f0\u7269\u7406\u673a\u4e5f\u4f5c\u4e3aManager,\u751f\u6210\u6ce8\u518c\u6210\u4e3a\u7ba1\u7406\u8282\u70b9\u7684\u547d\u4ee4;
\n[root@docker1 ~]# docker swarm join-token manager
\nTo add a manager to this swarm, run the following command:<\/p>\n
docker swarm join \\
\n –token SWMTKN-1-43yqmld4mddoddnaxpslsg9s6abxfkkzrbprizzqoofad4rma1-2mnogcl6y71n85msftv40vbnb \\
\n 192.168.10.201:2377<\/p>\n
3.\u5728\u8282\u70b9docker2\u548c\u8282\u70b9docker3\u5206\u522b\u6267\u884c\u547d\u4ee4\u6ce8\u518c\u4e3a\u7ba1\u7406\u8282\u70b9;
\n[root@docker2 ~]# docker swarm join \\
\n> –token SWMTKN-1-43yqmld4mddoddnaxpslsg9s6abxfkkzrbprizzqoofad4rma1-2mnogcl6y71n85msftv40vbnb \\
\n> 192.168.10.201:2377
\nThis node joined a swarm as a manager.<\/p>\n
[root@docker3 ~]# docker swarm join \\
\n> –token SWMTKN-1-43yqmld4mddoddnaxpslsg9s6abxfkkzrbprizzqoofad4rma1-2mnogcl6y71n85msftv40vbnb \\
\n> 192.168.10.201:2377
\nThis node joined a swarm as a manager.<\/p>\n
4.\u9a8c\u8bc1\u6240\u6709\u7684\u8282\u70b9;
\n[root@docker1 ~]# docker node ls
\nID HOSTNAME STATUS AVAILABILITY MANAGER STATUS
\n385guihkvrmuuuftm34ubr9v2 * docker1.htsec.com Ready Active Leader
\n63o59qn38i70iej61h7edm1s1 docker3.htsec.com Ready Active Reachable
\nahorta43as7m7yupv3bsnc7pg docker2.htsec.com Ready Active Reachable<\/p>\n
\u6b64\u65f6docker1.htsec.com\u662fLeader\u8282\u70b9;<\/p>\n
— overlay\u7f51\u7edc;
\n\u4f7f\u8fd0\u884c\u5728\u4e0d\u540c\u5bbf\u4e3b\u673a\u4e0a\u7684\u5bb9\u5668\u53ef\u4ee5\u4e92\u76f8\u901a\u4fe1\u7684\u552f\u4e00\u65b9\u6cd5\u662f\u4f7f\u7528overlay\u7f51\u7edc;\u53ef\u4ee5\u8ba4\u4e3a,\u5bb9\u5668\u7684\u7f51\u7edc\u662f\u6784\u5efa\u5728\u5176\u5b83\u7684\u7f51\u7edc\u4e4b\u4e0a\u7684(\u5728\u8fd9\u4e2a\u73af\u5883\u4e2d,\u662f\u6784\u5efa\u5728\u5bbf\u4e3b\u673a\u7f51\u7edc\u4e0a\u7684);Docker Swarm\u6a21\u5f0f\u7684\u9ed8\u8ba4overlay\u7f51\u7edc\u5b9e\u73b0\u4e86\u4e00\u4e2a\u57fa\u4e8eVxLAN\u7684\u89e3\u51b3\u65b9\u6848,\u5e95\u5c42\u4f9d\u8d56\u4e8elibnetwork\u548clibkv\u5e93,\u6240\u4ee5overlay\u7f51\u7edc\u9700\u8981\u4e00\u4e2akey-value\u5b58\u50a8\u670d\u52a1,\u7528\u4e8e\u5728\u4e0d\u540c\u7684docker\u5f15\u64ce\u95f4\u4ea4\u6362\u4fe1\u606f;\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u5176\u4ed6\u5916\u90e8\u7684overlay\u7f51\u7edc\u9a71\u52a8(\u6bd4\u5982Flannel,Calico\u6216\u8005Weave),\u4f46\u662f\u9700\u8981\u989d\u5916\u7684\u5b89\u88c5\u6b65\u9aa4;<\/p>\n
\u4f7f\u7528Docker\u5f15\u64ce\u7684Swarm\u6a21\u5f0f,\u53ef\u4ee5\u5728\u7ba1\u7406\u8282\u70b9\u521b\u5efa\u4e00\u4e2aoverlay\u7f51\u7edc,\u4e0d\u9700\u8981\u5916\u90e8\u7684key-value\u5b58\u50a8(\u6bd4\u5982etcd,consul\u6216\u8005Zookeeper);<\/p>\n
Swarm\u4f1a\u4f7foverlay\u7f51\u7edc\u5728\u9700\u8981\u8fd0\u884c\u670d\u52a1\u7684\u8282\u70b9\u4e0a\u90fd\u6709\u6548;\u5f53\u4f60\u521b\u5efa\u4e00\u4e2a\u4f7f\u7528overlay\u7f51\u7edc\u7684\u670d\u52a1,\u7ba1\u7406\u8282\u70b9\u4f1a\u81ea\u52a8\u6269\u5c55overlay\u7f51\u7edc\u5230\u8fd0\u884c\u670d\u52a1\u4efb\u52a1\u7684\u8282\u70b9;<\/p>\n
\u9996\u5148\u521b\u5efa\u4e00\u4e2aoverlay\u7f51\u7edc,\u6765\u628aPercona XtraDB Cluster\u548c\u5e94\u7528\u5bb9\u5668\u8fd0\u884c\u5728\u4e0d\u540c\u7684Docker\u670d\u52a1\u5668\u4e0a,\u4ece\u800c\u8fbe\u5230\u5bb9\u707e\u7684\u6548\u679c;\u8fd9\u4e9b\u5bb9\u5668\u5fc5\u987b\u8fd0\u884c\u5728\u540c\u4e00\u4e2aoverlay\u7f51\u7edc\u4e0a,\u4ee5\u81f3\u4e8e\u5b83\u4eec\u53ef\u4ee5\u4e92\u76f8\u901a\u4fe1;<\/p>\n
1.\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u53eb”mynet”\u7684overlay\u7f51\u7edc,\u8fd9\u4e2a\u7f51\u7edc\u53ea\u80fd\u5728\u7ba1\u7406\u8282\u70b9\u521b\u5efa;
\n[root@docker1 ~]# docker network create –driver overlay mynet
\n32tayer754amlqnwti9a0c4ht<\/p>\n
2.\u67e5\u770b\u5f53\u524d\u73af\u5883\u7684\u7f51\u7edc\u72b6\u51b5;
\n[root@docker1 ~]# docker network ls
\nNETWORK ID NAME DRIVER SCOPE
\n9e1f395cbd90 bridge bridge local
\n3c63a1302938 docker_gwbridge bridge local
\n3996de1d0f28 host host local
\n3uvc0j5s4t1y ingress overlay swarm
\n32tayer754am mynet overlay swarm
\n3e1b264a2086 none null local <\/p>\n
\u5728swarm\u8303\u56f4\u5185\u6709\u4e24\u4e2aoverlay\u7f51\u7edc,”mynet”\u7f51\u7edc\u662f\u521a\u521a\u521b\u5efa\u5e76\u7528\u4e8e\u90e8\u7f72MySQL\u96c6\u7fa4\u7684\u7f51\u7edc,”ingress”\u7f51\u7edc\u662f\u9ed8\u8ba4\u7684overlay\u7f51\u7edc;Swarm\u7684Manager\u4f7f\u7528”ingress”\u6765\u5b9e\u73b0\u670d\u52a1\u95f4\u7684\u8d1f\u8f7d\u5747\u8861;<\/p>\n
— \u4f7f\u7528\u670d\u52a1\u548c\u4efb\u52a1\u8fdb\u884c\u90e8\u7f72;
\n\u8ba1\u5212\u4f7f\u7528\u670d\u52a1\u548c\u4efb\u52a1\u6765\u90e8\u7f72Galera Cluster\u5bb9\u5668;\u5f53\u521b\u5efa\u4e00\u4e2a\u670d\u52a1,\u9700\u8981\u6307\u5b9a\u4f7f\u7528\u54ea\u4e00\u4e2a\u5bb9\u5668\u955c\u50cf\u548c\u5728\u8fd0\u884c\u7684\u5bb9\u5668\u91cc\u9762\u8fd0\u884c\u54ea\u4e9b\u547d\u4ee4;<\/p>\n
\u6709\u4e24\u79cd\u7c7b\u578b\u7684\u670d\u52a1:
\n1)Replicated services:\u57fa\u4e8e\u8bbe\u7f6e\u7684\u671f\u671b\u72b6\u6001(desired state),\u4f1a\u5728\u96c6\u7fa4\u7684\u8282\u70b9\u4e0a\u5206\u5e03\u6307\u5b9a\u6570\u91cf\u7684\u4efb\u52a1\u6765\u8fbe\u5230\u6269\u5c55\u7684\u76ee\u7684,\u4f8b\u5982:”–replicas 3″;
\n2)Global services:\u96c6\u7fa4\u4e2d\u6bcf\u4e00\u4e2a\u53ef\u7528\u7684\u8282\u70b9\u4e0a\u90fd\u8fd0\u884c\u4e00\u4e2a\u670d\u52a1\u7684\u4efb\u52a1,\u4f8b\u5982:”–mode global”;\u5982\u679c\u5728swarm\u4e2d\u67097\u4e2adocker\u8282\u70b9,\u5219\u6bcf\u4e00\u4e2a\u8282\u70b9\u90fd\u4f1a\u8fd0\u884c\u4e00\u4e2a\u5bb9\u5668;<\/p>\n
Docker Swarm\u6a21\u5f0f\u5728\u7ba1\u7406\u6301\u4e45\u6027\u6570\u636e\u5b58\u50a8\u65b9\u9762\u6709\u4e00\u5b9a\u7684\u5c40\u9650,\u5f53\u4e00\u4e2a\u8282\u70b9\u5931\u8d25,Manager\u4f1a\u9664\u6389\u8fd9\u4e2a\u5bb9\u5668\u5e76\u4e14\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6765\u66ff\u6362\u65e7\u7684,\u4ece\u800c\u8fbe\u5230\u671f\u671b\u72b6\u6001;\u56e0\u4e3a\u4e00\u4e2a\u5bb9\u5668\u5931\u8d25\u540e\u4f1a\u88ab\u4e22\u5f03,\u76f8\u5e94\u7684\u4e5f\u4f1a\u5931\u53bb\u6570\u636e\u5377;\u5e78\u8fd0\u7684\u662f,\u5bf9\u4e8eGalera\u96c6\u7fa4\u6765\u8bf4,\u5f53\u65b0\u7684MySQL\u5bb9\u5668\u53ef\u4ee5\u81ea\u52a8\u7684\u8fbe\u5230\u76f8\u5e94\u72b6\u6001;<\/p>\n
— \u90e8\u7f72Key-Value\u5b58\u50a8;
\n\u4f7f\u7528\u7684Docker\u955c\u50cf\u6765\u81eaPercona,\u5f53\u96c6\u7fa4\u521d\u59cb\u5316\u548c\u5f15\u5bfc\u65f6,\u8fd9\u4e2a\u955c\u50cf\u9700\u8981MySQL\u5bb9\u5668\u8bbf\u95ee\u4e00\u4e2akey-value\u5b58\u50a8(\u4ec5\u652f\u6301etcd),\u4ece\u800c\u6765\u53d1\u73b0\u76f8\u5e94\u7684IP\u5730\u5740;\u8fd9\u4e9b\u5bb9\u5668\u4f1a\u4eceetcd\u4e2d\u67e5\u770b\u5176\u5b83\u7684IP\u5730\u5740,\u5982\u679c\u4fdd\u5b58\u7684\u6709IP\u5730\u5740,\u5219\u4f1a\u4f7f\u7528\u4e00\u4e2a\u9002\u5408\u7684wsrep_cluster_address\u53c2\u6570\u6765\u542f\u52a8MySQL,\u5426\u5219,\u7b2c\u4e00\u4e2a\u5bb9\u5668\u4f1a\u4f7f\u7528”gcomm:\/\/”\u6765\u4f5c\u4e3a\u5f15\u5bfc\u5730\u5740;<\/p>\n
1.\u9996\u5148\u5728docker1\u4e0a\u8fd0\u884c\u4e00\u4e2aetcd\u670d\u52a1(\u4e5f\u53ef\u4ee5\u4f7f\u7528\u670d\u52a1\u53d1\u73b0\u7684\u65b9\u5f0f);
\n[root@docker1 ~]# export HostIP=”192.168.10.201″
\n[root@docker1 ~]# docker run -d -p 2379:2379 -p 2380:2380 -p 4001:4001 –name etcd elcolio\/etcd \\
\n> -name etcd1 \\
\n> -advertise-client-urls http:\/\/${HostIP}:2379,http:\/\/${HostIP}:4001 \\
\n> -listen-client-urls http:\/\/0.0.0.0:2379,http:\/\/0.0.0.0:4001 \\
\n> -initial-advertise-peer-urls http:\/\/${HostIP}:2380 \\
\n> -listen-peer-urls http:\/\/0.0.0.0:2380 \\
\n> -initial-cluster-token etcd-cluster \\
\n> -initial-cluster etcd1=http:\/\/${HostIP}:2380 \\
\n> -initial-cluster-state new
\nfc994bb85036b57bef06e55e1856ef1c6f12198b7700744a9be61c22ea62f170
\n[root@docker1 ~]# docker ps
\nCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
\nfc994bb85036 elcolio\/etcd “\/bin\/run.sh -name et” 6 seconds ago Up 4 seconds 0.0.0.0:2379-2380->2379-2380\/tcp, 0.0.0.0:4001->4001\/tcp, 7001\/tcp etcd<\/p>\n
2.\u6b64\u65f6\u53ef\u4ee5\u901a\u8fc7http:\/\/192.168.10.201:2379\u8bbf\u95eeetcd\u670d\u52a1(\u5982\u679c\u662f\u4f7f\u7528\u670d\u52a1\u542f\u52a8\u7684etcd,\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4:docker service inspect etcd -f “{{ .Endpoint.VirtualIPs }}”\u67e5\u770b);
\n[root@docker1 ~]# curl http:\/\/192.168.10.201:2379\/v2\/members
\n{“members”:[{“id”:”e4379b6d6b63f88c”,”name”:”etcd1″,”peerURLs”:[“http:\/\/192.168.10.201:2380″],”clientURLs”:[“http:\/\/192.168.10.201:2379″,”http:\/\/192.168.10.201:4001”]}]}<\/p>\n
— \u90e8\u7f72\u6570\u636e\u5e93\u96c6\u7fa4;
\n1.\u5728\u90e8\u7f72Galera(Percona XtraDB Cluster)\u5bb9\u5668\u7684\u547d\u4ee4\u4e2d\u6307\u5b9aetcd\u7684\u670d\u52a1\u5730\u5740;
\n[root@docker1 ~]# docker service create –name mysql-galera –replicas 3 \\
\n> -p 3306:3306 –network mynet \\
\n> –env MYSQL_ROOT_PASSWORD=mypassword \\
\n> –env DISCOVERY_SERVICE=192.168.10.201:2379 \\
\n> –env XTRABACKUP_PASSWORD=mypassword \\
\n> –env CLUSTER_NAME=galera \\
\n> percona\/percona-xtradb-cluster
\nb8uica0izpvytrtw097csjfrz<\/p>\n
2.\u67e5\u770b\u670d\u52a1\u7684\u72b6\u6001,\u4f1a\u53d1\u73b0\u5728\u4e09\u4e2a\u8282\u70b9\u4e0a\u5206\u522b\u8fd0\u884c\u4e86percona-xtradb-cluster\u5bb9\u5668;
\n[root@docker1 ~]# docker service ps mysql-galera
\nID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR
\neknbellxg7y3zpujxzmv05dd5 mysql-galera.1 percona\/percona-xtradb-cluster docker1.htsec.com Running Running 30 seconds ago
\n67bs9tu87zt81mjn5salk4rtn mysql-galera.2 percona\/percona-xtradb-cluster docker3.htsec.com Running Running 30 seconds ago
\n6njkyk7pj4r02rdef3ihikrcj mysql-galera.3 percona\/percona-xtradb-cluster docker2.htsec.com Running Running 30 seconds ago <\/p>\n
3.\u67e5\u770bmysql-galera\u670d\u52a1\u7684\u72b6\u6001,\u6b63\u5728\u6b63\u5e38\u8fd0\u884c;
\n[root@docker1 ~]# docker service ls
\nID NAME REPLICAS IMAGE COMMAND
\nb8uica0izpvy mysql-galera 3\/3 percona\/percona-xtradb-cluster <\/p>\n
4.Swarm\u6a21\u5f0f\u5185\u90e8\u7684DNS\u7ec4\u4ef6\u53ef\u4ee5\u81ea\u52a8\u7684\u7ed9\u670d\u52a1\u7684\u6bcf\u4e2a\u4efb\u52a1\u5206\u914dIP,\u6240\u4ee5\u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u540d\u67e5\u770b\u5230\u5bf9\u5e94\u7684\u865a\u62dfIP\u5730\u5740;
\n[root@docker1 ~]# docker service inspect mysql-galera -f “{{ .Endpoint.VirtualIPs }}”
\n[{3uvc0j5s4t1yuzi9yfxmt4s22 10.255.0.6\/16} {32tayer754amlqnwti9a0c4ht 10.0.0.2\/24}]<\/p>\n
https:\/\/www.percona.com\/blog\/2016\/06\/10\/percona-xtradb-cluster-in-a-multi-host-docker-network\/
\nhttp:\/\/severalnines.com\/blog\/mysql-docker-introduction-docker-swarm-mode-and-multi-host-networking
\nhttps:\/\/hub.docker.com\/r\/percona\/percona-xtradb-cluster\/<\/p>\n
2016-11-21T14:38:09.786753Z 0 [ERROR] WSREP: failed to open gcomm backend connection: 131: No address to connect (FATAL)
\n at gcomm\/src\/gmcast.cpp:connect_precheck():286
\n2016-11-21T14:38:09.786761Z 0 [ERROR] WSREP: gcs\/src\/gcs_core.cpp:gcs_core_open():208: Failed to open backend connection: -131 (State not recoverable)
\n2016-11-21T14:38:09.786921Z 0 [ERROR] WSREP: gcs\/src\/gcs.cpp:gcs_open():1407: Failed to open channel ‘galera’ at ‘gcomm:\/\/10.255.0.9,10.255.0.7,10.255.0.9’: -131 (State not recoverable)
\n2016-11-21T14:38:09.786930Z 0 [ERROR] WSREP: gcs connect failed: State not recoverable
\n2016-11-21T14:38:09.786933Z 0 [ERROR] WSREP: wsrep::connect(gcomm:\/\/10.255.0.9,10.255.0.7,10.255.0.9) failed: 7<\/p>\n
— \u76f8\u5173\u6280\u672f;
\n1.VXLAN(Virtual eXtensible LAN,\u53ef\u6269\u5c55\u865a\u62df\u5c40\u57df\u7f51):\u662f\u57fa\u4e8eIP\u7f51\u7edc\u4e4b\u4e0a,\u91c7\u7528\u7684\u662fMAC in UDP\u6280\u672f,\u672c\u6765OSI\u4e03\u5c42\u6a21\u578b\u91cc\u5c31\u662f\u4e00\u5c42\u53e0\u4e00\u5c42\u7684,\u8fd9\u79cd\u548cGRE\/IPSEC\u7b49tunnel\u6280\u672f\u662f\u4e0d\u662f\u5f88\u50cf,\u8fd9\u79cd\u5c01\u88c5\u6280\u672f\u5bf9\u4e2d\u95f4\u7f51\u7edc\u6ca1\u6709\u7279\u6b8a\u8981\u6c42,\u53ea\u8981\u4f60\u80fd\u8bc6\u522bIP\u62a5\u6587\u5373\u53ef\u8fdb\u884c\u4f20\u9001;<\/p>\n
2.\u4e3a\u4f55\u9700\u8981Vxlan:
\n1)\u865a\u62df\u673a\u89c4\u6a21\u53d7\u5230\u7f51\u7edc\u89c4\u683c\u7684\u9650\u5236,\u5927L2\u7f51\u7edc\u91cc,\u62a5\u6587\u901a\u8fc7\u67e5\u8be2MAC\u5730\u5740\u8f6c\u53d1,MAC\u8868\u5bb9\u91cf\u9650\u5236\u4e86\u865a\u62df\u673a\u7684\u6570\u91cf;
\n2)\u7f51\u7edc\u9694\u79bb\u7684\u9650\u5236,\u666e\u901a\u7684VLAN\u548cVPN\u914d\u7f6e\u65e0\u6cd5\u6ee1\u8db3\u52a8\u6001\u7f51\u7edc\u8c03\u6574\u7684\u9700\u6c42,\u540c\u65f6\u914d\u7f6e\u590d\u6742;
\n3)\u865a\u62df\u5668\u642c\u8fc1\u53d7\u5230\u9650\u5236,\u865a\u62df\u673a\u542f\u52a8\u540e\u5047\u5982\u5728\u4e1a\u52a1\u4e0d\u4e2d\u65ad\u57fa\u7840\u4e0a\u5c06\u8be5\u865a\u62df\u673a\u8fc1\u79fb\u5230\u53e6\u5916\u4e00\u53f0\u7269\u7406\u673a\u4e0a\u53bb,\u9700\u8981\u4fdd\u6301\u865a\u62df\u673a\u7684IP\u5730\u5740\u548cMAC\u5730\u5740\u7b49\u53c2\u6570\u4fdd\u6301\u4e0d\u53d8,\u8fd9\u5c31\u8981\u6c42\u4e1a\u52a1\u7f51\u7edc\u662f\u4e00\u4e2a\u4e8c\u5c42\u7684\u7f51\u7edc;<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e3b\u8981\u4ecb\u7ecd\u591a\u4e3b\u673a\u7f51\u7edc\u7684\u57fa\u672c\u6982\u5ff5\u548cDocker\u7684Swarm\u6a21\u5f0f,\u4e00\u4e2a\u7528\u4e8e\u7ba1\u7406\u591a\u53f0\u7269\u7406\u673a\u4e0a\u5bb9\u5668\u7684\u5185\u7f6e\u7f16\u6392\u5de5\u5177; &# […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[27],"class_list":["post-1329","post","type-post","status-publish","format-standard","hentry","category-mysql","tag-mysql"],"_links":{"self":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/1329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1329"}],"version-history":[{"count":1,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/1329\/revisions"}],"predecessor-version":[{"id":1330,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/1329\/revisions\/1330"}],"wp:attachment":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}