{"id":261,"date":"2018-06-06T15:48:39","date_gmt":"2018-06-06T07:48:39","guid":{"rendered":"https:\/\/blog.espnlol.com\/?p=261"},"modified":"2022-04-20T18:29:50","modified_gmt":"2022-04-20T10:29:50","slug":"centos7%e5%ae%89%e8%a3%85etcd%e5%92%8cflannel","status":"publish","type":"post","link":"https:\/\/blog.espnlol.com\/?p=261","title":{"rendered":"CentOS7\u5b89\u88c5etcd\u548cflannel"},"content":{"rendered":"

\u73af\u5883\u7b80\u4ecb:<\/h1>\n

CentOS Linux release 7.4.1708 (Core)
\nLinux 3.10.0-693.el7.x86_64
\n3\u53f0linux\u670d\u52a1\u5668
\n172.16.10.100
\n172.16.10.101
\n172.16.10.102<\/p>\n

\u8f6f\u4ef6\u7248\u672c:
\netcd-v3.3.5-linux-amd64
\nflannel-0.7.1-3.el7.x86_64
\ndocker-1.13.1-63.git94f4240.el7.centos.x86_64<\/p>\n

etcd\u5b89\u88c5\u53ca\u914d\u7f6e<\/h2>\n

\u662f\u4e00\u4e2a\u952e\u503c\u5b58\u50a8\u4ed3\u5e93\uff0c\u5374\u6ca1\u6709\u91cd\u89c6\u5b98\u65b9\u5b9a\u4e49\u7684\u540e\u534a\u53e5\uff0c\u7528\u4e8e\u914d\u7f6e\u5171\u4eab\u548c\u670d\u52a1\u53d1\u73b0\u3002
\n\u5b9e\u9645\u4e0a\uff0cetcd\u4f5c\u4e3a\u4e00\u4e2a\u53d7\u5230Zookeeper\u4e0edoozer\u542f\u53d1\u800c\u50ac\u751f\u7684\u9879\u76ee\uff0c\u9664\u4e86\u62e5\u6709\u4e0e\u4e4b\u7c7b\u4f3c\u7684\u529f\u80fd\u5916\uff0c\u66f4\u5177\u6709\u4ee5\u4e0b4\u4e2a\u7279\u70b9{![\u5f15\u81eaDocker\u5b98\u65b9\u6587\u6863]}\u3002
\n\u7b80\u5355\uff1a\u57fa\u4e8eHTTP+JSON\u7684API\u8ba9\u4f60\u7528curl\u547d\u4ee4\u5c31\u53ef\u4ee5\u8f7b\u677e\u4f7f\u7528\u3002
\n\u5b89\u5168\uff1a\u53ef\u9009SSL\u5ba2\u6237\u8ba4\u8bc1\u673a\u5236\u3002
\n\u5feb\u901f\uff1a\u6bcf\u4e2a\u5b9e\u4f8b\u6bcf\u79d2\u652f\u6301\u4e00\u5343\u6b21\u5199\u64cd\u4f5c\u3002
\n\u53ef\u4fe1\uff1a\u4f7f\u7528Raft\u7b97\u6cd5\u5145\u5206\u5b9e\u73b0\u4e86\u5206\u5e03\u5f0f\u3002<\/p>\n

\u5b89\u88c5etcd<\/h3>\n

\u4e0b\u8f7d\u94fe\u63a5:https:\/\/github.com\/coreos\/etcd\/releases\/<\/p>\n

wget https:\/\/github.com\/coreos\/etcd\/releases\/download\/v3.3.5\/etcd-v3.3.5-linux-amd64.tar.gz\r\ntar -xf etcd-v3.3.5-linux-amd64.tar.gz\r\ncd etcd-v3.3.5-linux-amd64\r\n\r\n#\u5c06etcd\u4e0eetcdctl copy\u5230\/usr\/local\/bin\r\ncp etcd etcdctl \/usr\/local\/bin\r\n\r\n#\u6dfb\u52a0\u73af\u5883\u53d8\u91cf\r\necho \"PATH=$PATH:\/usr\/local\/bin\" >> \/etc\/profile<\/pre>\n
#\u7f16\u5199etcd\u914d\u7f6e\u6587\u4ef6<\/p>\n
vi \/etc\/etcd\/etcd.conf\r\nETCD_DATA_DIR=\/var\/lib\/etcd\r\nETCD_NAME=etcd100\r\nETCD_INITIAL_CLUSTER=etcd100=http:\/\/172.16.10.100:2380,etcd101=http:\/\/172.16.10.101:2380,etcd102=http:\/\/172.16.10.102:2380\r\nETCD_INITIAL_CLUSTER_STATE=new\r\nETCD_LISTEN_PEER_URLS=http:\/\/172.16.10.100:2380\r\nETCD_INITIAL_ADVERTISE_PEER_URLS=http:\/\/172.16.10.100:2380\r\nETCD_ADVERTISE_CLIENT_URLS=http:\/\/172.16.10.100:2379\r\nETCD_LISTEN_CLIENT_URLS=http:\/\/172.16.10.100:2379,http:\/\/127.0.0.1:2379\r\nGOMAXPROCS=$(nproc)<\/pre>\n
#\u5c06\u914d\u7f6e\u4f20\u7ed9\u5176\u4ed6\u4e24\u53f0\u4e3b\u673a\u5e76\u6839\u636e\u4e3b\u673aIP\u4fee\u6539\u4ee5\u4e0b\u53d8\u91cf:ETCD_NAME,ETCD_LISTEN_PEER_URLS,ETCD_INITIAL_ADVERTISE_PEER_URLS,ETCD_ADVERTISE_CLIENT_URLS,ETCD_LISTEN_CLIENT_URLS.<\/p>\n
#\u914d\u7f6esystemd\u7ba1\u7406\u63a7\u5236\u542f\u52a8\u7a0b\u5e8f<\/p>\n
[Unit]\r\nDescription=Etcd Server\r\nDocumentation=https:\/\/github.com\/coreos\/etcd\r\nAfter=network.target\r\n\r\n[Service]\r\nUser=root\r\nType=simple\r\nEnvironmentFile=-\/etc\/etcd\/etcd.conf\r\nExecStart=\/usr\/local\/bin\/etcd\r\nRestart=on-failure\r\nRestartSec=3s\r\nLimitNOFILE=65536\r\n\r\n[Install]\r\nWantedBy=multi-user.target<\/pre>\n
#\u5206\u522b\u5728\u4e09\u53f0\u542f\u52a8etcd\u5e76\u6d4b\u8bd5<\/p>\n
systemctl start etcd\r\nsystemctl enable etcd\r\n\r\n#\u6d4b\u8bd5\u7a0b\u5e8f\r\netcdctl cluster-health\r\netcdctl mk \/test\r\netcdctl ls \/<\/pre>\n
#\u81f3\u6b64etcd\u96c6\u7fa4\u5df2\u7ecf\u90e8\u7f72\u5b8c\u6bd5,\u4ece\u96c6\u7fa4\u4efb\u610f\u4e00\u53f0\u5747\u53ef\u67e5\u5230etcd\u914d\u7f6e<\/p>\n
docker\u4e0eflannel\u5b89\u88c5\u53ca\u914d\u7f6e<\/h2>\n
yum install docker flannel -y\r\n\r\n#\u4fee\u6539\/etc\/sysconfig\/flanneld\u914d\u7f6e\r\nvi etc\/sysconfig\/flanneld\r\n# Flanneld configuration options\r\n\r\n# etcd url location.  Point this to the server where etcd runs\r\nFLANNEL_ETCD_ENDPOINTS=\"http:\/\/172.16.10.100:2379,http:\/\/172.16.10.101:2379,http:\/\/172.16.10.102:2379\"\r\n\r\n# etcd config key.  This is the configuration key that flannel queries\r\n# For address range assignment\r\nFLANNEL_ETCD_PREFIX=\"\/atomic.io\/network\"\r\n\r\n# Any additional options that you want to pass\r\n#FLANNEL_OPTIONS=\"\"\r\n\r\n#\u5728etcd\u4e2d\u6dfb\u52a0\u7f51\u7edc\u4fe1\u606f\r\netcdctl mk \/atomic.io\/network\/config '{\"Network\":\"192.167.0.0\/16\", \"SubnetMin\": \"192.167.1.0\", \"SubnetMax\": \"192.167.254.0\"}'<\/pre>\n
#\u5206\u522b\u542f\u52a8flannel\u548cdocker<\/p>\n
systemctl start flanneld\r\nsystemctl start docker\r\nsystemctl enable flanneld\r\nsystemctl enable docker\r\n\r\n#\u4f7f\u7528ifconfig\u67e5\u770b\u7f51\u7edc,\u4f1a\u770b\u5230flannel0\u4ee5\u53cadocker0\u4e24\u4e2a\u7f51\u5361\u542f\u52a8\u5e76\u4e14\u5206\u914d\u4e86\u9884\u8bbe\u503c\u7684\u7f51\u6bb5,3\u53f0\u8bbe\u5907\u7684\u7269\u7406\u7f51\u6bb5\u5230\u865a\u62df\u7f51\u6bb5\u53ef\u4ee5\u5b8c\u5168\u4e92\u8054\u4e92\u901a\r\ndocker0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500\r\n        inet 192.167.46.1  netmask 255.255.255.0  broadcast 0.0.0.0\r\n        ether 02:42:83:3f:3e:d5  txqueuelen 0  (Ethernet)\r\n        RX packets 0  bytes 0 (0.0 B)\r\n        RX errors 0  dropped 0  overruns 0  frame 0\r\n        TX packets 0  bytes 0 (0.0 B)\r\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\r\n\r\nens192: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500\r\n        inet 172.16.10.102  netmask 255.255.255.0  broadcast 172.16.10.255\r\n        inet6 fe80::250:56ff:feba:49a5  prefixlen 64  scopeid 0x20<link>\r\n        ether 00:50:56:ba:49:a5  txqueuelen 1000  (Ethernet)\r\n        RX packets 3511949  bytes 363753229 (346.9 MiB)\r\n        RX errors 0  dropped 40  overruns 0  frame 0\r\n        TX packets 3454048  bytes 287758009 (274.4 MiB)\r\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\r\n\r\nflannel0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST>  mtu 1472\r\n        inet 192.167.46.0  netmask 255.255.0.0  destination 192.167.46.0\r\n        inet6 fe80::2089:87b0:329d:68ec  prefixlen 64  scopeid 0x20<link>\r\n        unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  txqueuelen 500  (UNSPEC)\r\n        RX packets 2  bytes 168 (168.0 B)\r\n        RX errors 0  dropped 0  overruns 0  frame 0\r\n        TX packets 5  bytes 312 (312.0 B)\r\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0<\/pre>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u73af\u5883\u7b80\u4ecb: CentOS Linux release 7.4.1708 (Cor … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-261","post","type-post","status-publish","format-standard","hentry","category-k8s"],"_links":{"self":[{"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/posts\/261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=261"}],"version-history":[{"count":3,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/posts\/261\/revisions"}],"predecessor-version":[{"id":269,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/posts\/261\/revisions\/269"}],"wp:attachment":[{"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}