{"id":33534,"date":"2023-05-21T02:56:54","date_gmt":"2023-11-07T16:36:44","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%b0%83%e6%9f%a5kubernetes%e4%b8%adredis%e7%9a%84%e6%93%8d%e4%bd%9c%e5%91%98%e4%bb%a5%e5%ae%9e%e7%8e%b0%e5%86%97%e4%bd%99%e3%80%82\/"},"modified":"2024-04-30T05:12:03","modified_gmt":"2024-04-29T21:12:03","slug":"%e8%b0%83%e6%9f%a5kubernetes%e4%b8%adredis%e7%9a%84%e6%93%8d%e4%bd%9c%e5%91%98%e4%bb%a5%e5%ae%9e%e7%8e%b0%e5%86%97%e4%bd%99%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%b0%83%e6%9f%a5kubernetes%e4%b8%adredis%e7%9a%84%e6%93%8d%e4%bd%9c%e5%91%98%e4%bb%a5%e5%ae%9e%e7%8e%b0%e5%86%97%e4%bd%99%e3%80%82\/","title":{"rendered":"\u8c03\u67e5Kubernetes\u4e2dRedis\u7684\u64cd\u4f5c\u5458\u4ee5\u5b9e\u73b0\u5197\u4f59"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u6700\u8fd1\u6211\u6b63\u5728\u4f7f\u7528Kubernetes\uff08k8s\uff09\u63a5\u89e6Redis\u3002\u5f53\u5c06Redis\u4f5c\u4e3a\u670d\u52a1\u7684\u4e00\u90e8\u5206\u4f7f\u7528\u65f6\uff0c\u6211\u975e\u5e38\u5173\u5fc3\u5728\u8282\u70b9\u6545\u969c\u6216\u4e2d\u95f4\u4ef6\u66f4\u65b0\u65f6\u662f\u5426\u4f1a\u51fa\u73b0\u5b95\u673a\u95ee\u9898\u3002Redis\u672c\u8eab\u5177\u5907\u5197\u4f59\u673a\u5236\uff0c\u4f46\u5728\u4f7f\u7528k8s\u8fdb\u884c\u90e8\u7f72\u65f6\uff0c\u6709\u64cd\u4f5c\u5458\uff08Operator\uff09\u7684\u9009\u62e9\u3002\u672c\u6587\u5c06\u603b\u7ed3\u6211\u5bf9Redis Operator\u7684\u8c03\u7814\u7ed3\u679c\u3002<\/p>\n

Redis\u7684\u5197\u4f59\u89e3\u51b3\u65b9\u6848<\/h1>\n

\u9996\u5148\u662fRedis\u81ea\u8eab\u7684\u5197\u4f59\u65b9\u5f0f\u3002\u7531\u4e8eRedis Operator\u57fa\u4e8eRedis\u7684\u65b9\u5f0f\uff0c\u6211\u4eec\u5728\u8fd9\u91cc\u68b3\u7406\u4e00\u4e0b\u3002
\nRedis\u53ef\u4ee5\u91c7\u7528\u4e3b\u4ece\u67b6\u6784\uff0c\u5e76\u4e14\u53ef\u4ee5\u590d\u5236\u6570\u636e\uff08Replication\uff09\u3002\u4f46\u662f\uff0cReplication\u6ca1\u6709\u6545\u969c\u8f6c\u79fb\u529f\u80fd\uff0c\u5373\u4f7f\u4e3b\u8282\u70b9\u5b95\u673a\uff0c\u4ece\u8282\u70b9\u4e5f\u4e0d\u4f1a\u664b\u5347\u4e3a\u4e3b\u8282\u70b9\u3002
\nRedis Sentinel\u9664\u4e86\u4e3b\u4ece\u8282\u70b9\uff0c\u8fd8\u6709\u4e00\u4e2a\u76d1\u89c6\u8005Sentinel\u3002Sentinel\u4f1a\u76d1\u89c6\u4e3b\u8282\u70b9\u7684\u72b6\u6001\uff0c\u5e76\u5728\u4e3b\u8282\u70b9\u5b95\u673a\u65f6\u6267\u884c\u6545\u969c\u8f6c\u79fb\u3002
\nRedis Cluster\u4e5f\u652f\u6301\u6545\u969c\u8f6c\u79fb\u3002\u6b64\u5916\uff0c\u5b83\u91c7\u7528\u591a\u4e3b\u8282\u70b9\u7ed3\u6784\uff0c\u5c06\u6570\u636e\u5206\u6563\u5230\u591a\u4e2a\u4e3b\u8282\u70b9\u4e0a\u8fdb\u884c\u5206\u7247\u3002\u4f46\u662f\uff0c\u5b83\u65e0\u6cd5\u4f7f\u7528\u591a\u4e2a\u6570\u636e\u5e93\u5e76\u4e14\u65e0\u6cd5\u4f7f\u7528SELECT\u547d\u4ee4\u3002<\/p>\n

\n
\u65b9\u5f0f\u69cb\u6210\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u8ad6\u7406DB\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0Replication\u30de\u30b9\u30bf\u30fc\u3001\u30ec\u30d7\u30ea\u30ab\u00d7\u3007\u00d7Sentinel\u30de\u30b9\u30bf\u30fc\u3001\u30ec\u30d7\u30ea\u30ab\u3001Sentinel\u3007\u3007\u00d7Cluster\u30de\u30eb\u30c1\u30de\u30b9\u30bf\u30fc\u3001\u30ec\u30d7\u30ea\u30ab\u3007\u00d7\u3007<\/div>\n<\/div>\n

\u4f3c\u4e4e\u8fd8\u6709\u4e00\u4e9b\u4e0e\u5916\u90e8\u5de5\u5177\u7ed3\u5408\u7684\u65b9\u6cd5\u3002<\/p>\n

\u203b\u8bf7\u67e5\u9605<\/p>\n

 <\/p>\n

Redis\u3001Sentinel\u7684\u529f\u80fd<\/h1>\n

\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5c06\u4ecb\u7ecd\u5173\u4e8eRedis Sentinel\u7684\u5185\u5bb9\u3002
\n\u9996\u5148\uff0c\u6211\u5c06\u8c08\u53caRedis\u548cSentinel\u7684\u529f\u80fd\uff0c\u7136\u540e\u5728\u540e\u9762\u7684\u5185\u5bb9\u4e2d\u6211\u4f1a\u8be6\u7ec6\u8bf4\u660e\u8fd9\u4e9b\u529f\u80fd\u5728\u64cd\u4f5c\u8005\u89d2\u8272\u4e2d\u7684\u53d8\u5316\u3002<\/p>\n

Redis Sentinel\u7684\u6545\u969c\u8f6c\u79fb\u6d41\u7a0b\u3002<\/h2>\n

\u4ee5\u4e0b\u662f\u7528\u56fe\u793a\u8bb0\u5f55Redis Sentinel\u6545\u969c\u8f6c\u79fb\u7684\u6d41\u7a0b\u3002
\n\u5f53Sentinel\u68c0\u6d4b\u5230\u4e3b\u8282\u70b9\u5b95\u673a\u65f6\uff0c\u5b83\u5c06\u628a\u5176\u4e2d\u4e00\u4e2a\u4ece\u8282\u70b9\u664b\u5347\u4e3a\u65b0\u4e3b\u8282\u70b9\u3002<\/p>\n

\"image.png\"<\/div>\n

\u5728\u6bcf\u4e2a Sentinel \u4e0a\u8fdb\u884c\u6545\u969c\u68c0\u6d4b\u3002\u6bcf\u96942\u79d2\uff0cSentinel \u5411 Redis \u53d1\u9001 hello \u6d88\u606f\u4ee5\u786e\u8ba4\u5176\u72b6\u6001\u3002\u5982\u679c\u53d1\u73b0\u4e3b\u8282\u70b9\u6545\u969c\uff0c\u5c06\u89c6\u4e3a\u4e3b\u89c2\u4e0b\u7ebf\u72b6\u6001\uff08SDOWN\uff09\u3002
\n\u7136\u540e\uff0c\u786e\u8ba4\u5176\u4ed6 Sentinel \u7684\u5224\u65ad\uff0c\u5982\u679c\u53d1\u73b0\u4e3b\u8282\u70b9\u5904\u4e8e\u5ba2\u89c2\u4e0b\u7ebf\u72b6\u6001\uff08ODOWN\uff09\u3002\u662f\u5426\u5904\u4e8e ODOWN \u72b6\u6001\uff0c\u53d6\u51b3\u4e8e\u88ab\u5224\u65ad\u4e3a SDOWN \u7684 Sentinel \u6570\u91cf\u662f\u5426\u5927\u4e8e\u7b49\u4e8e\u914d\u7f6e\u4e2d\u7684 QUORUM \u503c\u3002
\n\u4e00\u65e6\u8fdb\u5165 ODOWN \u72b6\u6001\uff0c\u5c06\u6267\u884c\u6545\u969c\u8f6c\u79fb\u3002<\/p>\n

\"image.png\"<\/div>\n

\u5728\u6545\u969c\u8f6c\u79fb\u8fc7\u7a0b\u4e2d\uff0c\u6bcf\u4e2aSentinel\u90fd\u4f1a\u4e3a\u4e0b\u4e00\u4e2aRedis\u4e3b\u8282\u70b9\u5019\u9009\u8005\u6295\u7968\u3002\u6295\u7968\u5b8c\u6210\u540e\uff0c\u4e00\u4e2aSentinel\u5c06\u6210\u4e3a\u9886\u5bfc\u8005\uff0c\u6c47\u603b\u6295\u7968\u7ed3\u679c\uff0c\u5e76\u9009\u51fa\u83b7\u5f97QUORUM\u6216\u4ee5\u4e0a\u6295\u7968\u6570\u91cf\u7684Redis\u4f5c\u4e3a\u4e0b\u4e00\u4e2a\u4e3b\u8282\u70b9\u3002\u7136\u540e\uff0c\u6210\u4e3a\u9886\u5bfc\u8005\u7684Sentinel\u4f1a\u66f4\u65b0Redis Sentinel\u914d\u7f6e\uff0c\u5e76\u5c06\u526f\u672c\u63d0\u5347\u4e3a\u4e3b\u8282\u70b9\u3002\u5982\u679c\u65e0\u6cd5\u627e\u5230\u83b7\u5f97QUORUM\u6295\u7968\u6570\u91cf\u7684Redis\uff0c\u6545\u969c\u8f6c\u79fb\u5c06\u5931\u8d25\uff0c\u5e76\u5728\u4e00\u5b9a\u65f6\u95f4\u540e\u91cd\u65b0\u5c1d\u8bd5\u3002<\/p>\n

\u203b \u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff0c\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7528\u4e2d\u6587\u8fdb\u884c\u91ca\u4e49\uff1a<\/p>\n

 <\/p>\n

\u5c06Redis\u6570\u636e\u6301\u4e45\u5316<\/h2>\n

\u5c06 Redis \u6570\u636e\u4fdd\u5b58\u5728\u78c1\u76d8\u4e0a\uff0c\u5e76\u5728\u91cd\u542f\u540e\u6062\u590d\u6570\u636e\u7684\u65b9\u6cd5\u8bf4\u660e\u3002
\n\u4fdd\u5b58\u6570\u636e\u7684\u65b9\u6cd5\u6709 RDB \u548c AOF\uff08\u8ffd\u52a0\u6a21\u5f0f\u6587\u4ef6\uff09\u4e24\u79cd\u3002
\nRDB \u65b9\u6cd5\u5c06\u6570\u636e\u538b\u7f29\u5e76\u4fdd\u5b58\u5728\u6587\u4ef6\u4e2d\u3002\u60a8\u53ef\u4ee5\u8bbe\u7f6e\u4fdd\u5b58\u9891\u7387\u4ee5\u6ee1\u8db3\u6307\u5b9a\u65f6\u95f4\u5185\u66f4\u6539\u7684\u6570\u636e\u91cf\u3002
\nAOF \u65b9\u6cd5\u5c06\u6570\u636e\u548c\u547d\u4ee4\u4fdd\u5b58\u5728\u6587\u4ef6\u4e2d\uff0c\u800c\u4e0d\u8fdb\u884c\u538b\u7f29\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u3002<\/p>\n

root@redis-pod:\/data# redis-cli set test <\/span>1\r\nroot@redis-pod:\/data# cat <\/span>appendonlydir\/appendonly.aof.1.incr.aof\r\n*<\/span>2\r\n$6<\/span>\r\nSELECT\r\n$1<\/span>\r\n0\r\n*<\/span>3\r\n$3<\/span>\r\nset<\/span>\r\n$4<\/span>\r\ntest<\/span>\r\n$1<\/span>\r\n1\r\n<\/code><\/pre>\n
\u6211\u5c06\u9488\u5bf9\u6bcf\u4e2a\u6bd4\u8f83\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n
\n
\u9805\u76ee\u6bd4\u8f03\u30e1\u30e2\u5fc5\u8981\u306a\u30c7\u30a3\u30b9\u30af\u30b5\u30a4\u30baRDB<AOFAOF\u306f\u5727\u7e2e\u305b\u305a\u30b3\u30de\u30f3\u30c9\u3068\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u3002Redis\u30c0\u30a6\u30f3\u6642\u306e\u30c7\u30fc\u30bf\u30ed\u30b9\u306e\u5927\u304d\u3055RDB>AOFAOF\u306f\u8ffd\u8a18\u5206\u3060\u3051\u4fdd\u5b58\u3059\u308b\u3002\u305d\u306e\u305f\u3081\u4fdd\u5b58\u983b\u5ea6\u3092\u5927\u304d\u304f\u3057\u3066\u30ed\u30b9\u3092\u5c0f\u3055\u304f\u3057\u3084\u3059\u3044\u3002\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u901f\u5ea6RDB>AOFAOF\u3067\u306f\u30c7\u30fc\u30bf\u306b\u52a0\u3048\u30b3\u30de\u30f3\u30c9\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3044\u308b\u305f\u3081\u3002\u6c38\u7d9a\u5316\u5931\u6557\u306e\u53ef\u80fd\u6027RDB<AOFRDB\u306f\u30a2\u30c8\u30df\u30c3\u30af\u306b\u4fdd\u5b58\u304c\u53ef\u80fd\u3002AOF\u306f\u30d0\u30b0\u3067\u5fa9\u5143\u304c\u5931\u6557\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u3089\u3057\u3044\u3002\u30d5\u30a1\u30a4\u30eb\u5fa9\u5143\u306e\u3057\u3084\u3059\u3055RDB<AOFAOF\u3067\u306f\u7834\u640d\u3092\u4fee\u6b63\u3059\u308b\u30c4\u30fc\u30eb\u304c\u3042\u308b\u3002\u307e\u305f\u76f4\u63a5\u30d5\u30a1\u30a4\u30eb\u3092\u4fee\u6b63\u3057\u3084\u3059\u3044\u305f\u3081\u3002<\/div>\n<\/div>\n
\u6839\u636e\u4f7f\u7528\u573a\u666f\u7684\u4e0d\u540c\uff0c\u4e24\u8005\u90fd\u6709\u4f18\u70b9\u548c\u7f3a\u70b9\uff0c\u5e94\u6839\u636e\u9700\u8981\u9009\u62e9\u5176\u4e2d\u4e00\u79cd\u6216\u540c\u65f6\u91c7\u7528\u4e24\u79cd\u3002<\/p>\n
\u203b\u4ec5\u9700\u4e00\u79cd\u9009\u9879\uff1a\u8bf7\u7528\u4e2d\u6587\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7b80\u6d01\u5730\u8868\u8fbe\u51fa\u6765\u3002<\/p>\n
\u53c2\u8003<\/p>\n
 <\/p>\n
Redis\u7684\u5b89\u5168<\/h2>\n
\u5728Redis\u4e2d\uff0c\u60a8\u53ef\u4ee5\u8bbe\u7f6e\u8bbf\u95ee\u9650\u5236\u3002\u901a\u8fc7bind\u8bbe\u7f6e\uff0c\u60a8\u53ef\u4ee5\u9650\u5236\u53ef\u4ee5\u8bbf\u95ee\u7684\u5ba2\u6237\u7aef\u7684IP\u5730\u5740\u3002
\n\u6b64\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u521b\u5efa\u7528\u6237\u5e76\u8bbe\u7f6e\u8eab\u4efd\u9a8c\u8bc1\u548c\u6743\u9650\u3002\u4ee5\u4e0b\u662f\u521b\u5efa\u5177\u6709set\u548cget\u547d\u4ee4\u6743\u9650\u7684\u7528\u6237”myaccount”\u7684\u793a\u4f8b\u3002<\/p>\n
root@redis-pod:\/data# redis-cli\r\n127.0.0.1:6379> acl list\r\n1)<\/span> \"user default on nopass ~* &* +@all\"<\/span>\r\n127.0.0.1:6379> acl setuser myaccount on ~*<\/span> &*<\/span> ><\/span>mypassword -@all +get +set\r\nOK\r\n127.0.0.1:6379> acl list\r\n1)<\/span> \"user default on nopass ~* &* +@all\"<\/span>\r\n2)<\/span> \"user myaccount on #89e01536ac207279409d4de1e5253e01f4a1769e696db0d6062ca9b8f56767c8 ~* &* -@all +set +get\"<\/span>\r\n127.0.0.1:6379> exit\r\n<\/span>root@redis-pod:\/data# redis-cli --user<\/span> myaccount --pass<\/span> mypassword\r\nWarning: Using a password with '-a'<\/span> or '-u'<\/span> option on the command <\/span>line interface may not be safe.\r\n127.0.0.1:6379> set test <\/span>aaa\r\nOK\r\n127.0.0.1:6379> get test<\/span>\r\n\"aaa\"<\/span>\r\n127.0.0.1:6379> config get dir<\/span>\r\n(<\/span>error)<\/span> NOPERM this user has no permissions to run the 'config|get'<\/span> command<\/span>\r\n<\/code><\/pre>\n
\u203b\u4ec5\u9700\u8981\u4e00\u79cd\u9009\u9879\uff1a\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7528\u4e2d\u6587\u8fdb\u884c\u672c\u5730\u5316\u6539\u5199\uff1a<\/p>\n
 <\/p>\n
Redis\u8fd0\u7b97\u7b26\u7684\u529f\u80fd\u3002<\/h1>\n
\u672c\u6b21\u5c06\u4ecb\u7ecd\u4f7f\u7528Sentinel\u7684\u4ee5\u4e0bGitHub\u64cd\u4f5c\u5668\u3002<\/p>\n
(Note: The translation is provided in Simplified Chinese)<\/p>\n
 <\/p>\n
\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528k8s\u7684\u529f\u80fd\uff0c\u53d8\u5f97\u66f4\u52a0\u65b9\u4fbf\u4e86\u3002<\/p>\n
\u76d1\u63a7Redis Sentinel\u7684\u914d\u7f6e\u548c\u8bbe\u7f6e\u3002<\/h2>\n
\u8fd0\u8425\u5546\u4f1a\u786e\u8ba4\u4ee5\u4e0b\u5185\u5bb9\uff0c\u5e76\u5728\u6709\u95ee\u9898\u65f6\u81ea\u52a8\u8fdb\u884c\u4fee\u6b63\u3002<\/p>\n
\u30fbRedis\u542f\u52a8\u7684\u6570\u91cf\u4e0e\u8bbe\u7f6e\u4e00\u81f4\u3002
\n\u30fbSentinel\u542f\u52a8\u7684\u6570\u91cf\u4e0e\u8bbe\u7f6e\u4e00\u81f4\u3002
\n\u30fb\u53ea\u6709\u4e00\u53f0\u4e3b\u8282\u70b9\u542f\u52a8\u3002
\n\u30fb\u526f\u672c\u8fde\u63a5\u5230\u76f8\u540c\u7684\u4e3b\u8282\u70b9\u3002
\n\u30fbSentinel\u76d1\u89c6\u76f8\u540c\u7684\u4e3b\u8282\u70b9\u3002
\n\u30fbSentinel\u6ca1\u6709\u76d1\u89c6\u5df2\u7ecf\u5b95\u673a\u7684Redis\u548cSentinel\u3002<\/p>\n
\u6211\u89c9\u5f97\u6ca1\u6709\u4f7f\u7528Operator\u4e0e\u4f7f\u7528Operator\u76f8\u6bd4\u7684\u4e00\u4e2a\u4e3b\u8981\u533a\u522b\u662f\uff0cOperator\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u786e\u8ba4Redis\u7684\u6570\u91cf\u3002\u5982\u679c\u6ca1\u6709\u4f7f\u7528Operator\uff0c\u5f53\u4e3b\u8282\u70b9\u51fa\u73b0\u6545\u969c\u5e76\u8fdb\u884c\u6545\u969c\u8f6c\u79fb\u540e\uff0c\u914d\u7f6e\u4e2d\u5c06\u4e0d\u5b58\u5728\u4efb\u4f55\u526f\u672c\u3002\u800c\u4f7f\u7528Operator\uff0c\u5219\u53ef\u4ee5\u542f\u52a8\u4e00\u4e2a\u65b0\u7684Redis POD\u4f5c\u4e3a\u526f\u672c\uff0c\u4fdd\u6301\u4e3b\u4ece\u590d\u5236\u7ed3\u6784\u7684\u5b8c\u6574\u6027\u3002
\n\u6b64\u5916\uff0cOperator\u8fd8\u76d1\u63a7Redis\u548cSentinel\u7684\u8fde\u63a5\u76ee\u6807\uff0c\u56e0\u6b64\u5f53\u8fde\u63a5\u76ee\u6807\u7531\u4e8e\u547d\u4ee4\u9519\u8bef\u7b49\u539f\u56e0\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u4f1a\u5bf9\u5176\u8fdb\u884c\u4fee\u6b63\u3002<\/p>\n
\u203b \u4ec5\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a\u53c2\u8003<\/p>\n
 <\/p>\n
\u53ef\u4ee5\u4f5c\u4e3a\u81ea\u5b9a\u4e49\u8d44\u6e90\u7684\u4e00\u90e8\u5206\u8fdb\u884c\u8bbe\u7f6e<\/h2>\n
\u5728\u64cd\u4f5c\u5458\u4e2d\uff0c\u53ef\u4ee5\u5c06PV\uff08\u6301\u4e45\u5377\uff09\u5b9a\u4e49\u4e3a\u81ea\u5b9a\u4e49\u8d44\u6e90\u7684\u4e00\u90e8\u5206\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u6301\u4e45\u5316\u3002
\n\u901a\u8fc7\u4f7f\u7528PV\uff0c\u53ef\u4ee5\u5c06\u7528\u4e8eRedis\u5916\u90e8\u7684\u6570\u636e\u6301\u4e45\u5316\u6587\u4ef6\u4fdd\u5b58\u8d77\u6765\u3002\u5982\u679c\u6ca1\u6709\u64cd\u4f5c\u5458\uff0cPV\u7684\u5b9a\u4e49\u5fc5\u987b\u4e0e\u81ea\u5b9a\u4e49\u8d44\u6e90\u5206\u5f00\uff0c\u56e0\u6b64\u64cd\u4f5c\u5458\u53ef\u4ee5\u7b80\u5316\u8d44\u6e90\u7ba1\u7406\u3002<\/p>\n
\u5c1d\u8bd5\u4f7f\u7528Redis\u64cd\u4f5c\u5668<\/h1>\n
\u6211\u4f1a\u4eb2\u81ea\u521b\u5efa\u4e00\u4e2a\u5177\u6709Operator\u7684k8s\u73af\u5883\u5e76\u8fdb\u884c\u5c1d\u8bd5\u3002<\/p>\n
\u521b\u5efak8s\u73af\u5883<\/h2>\n
\u9996\u5148\u6211\u4eec\u521b\u5efa\u4e00\u4e2ak8s\u73af\u5883\u3002\u57fa\u672c\u4e0a\u548c\u4ee5\u524d\u4e00\u6837\uff0c\u4f46\u662f\u6709\u4e00\u6b21\u9047\u5230\u4e86\u6ca1\u6709\u6307\u5b9a\u8f6f\u4ef6\u5305\u7248\u672c\u800c\u5bfc\u81f4\u56f0\u6270\u7684\u7ecf\u9a8c\uff0c\u6240\u4ee5\u6211\u4f1a\u8fdb\u884c\u6307\u5b9a\u3002<\/p>\n
 <\/p>\n
#!\/bin\/bash -ex<\/span>\r\necho<\/span> 'install docker'<\/span>\r\nsudo <\/span>yum install<\/span> -y<\/span> docker-20.10.13-2.amzn2.x86_64\r\nsudo <\/span>systemctl start docker\r\nsudo <\/span>systemctl enable <\/span>docker\r\n\r\necho<\/span> 'install k8s'<\/span>\r\necho<\/span> \"<\/span>`<\/span>ip -4<\/span> a show eth0 | grep<\/span> -oP<\/span> '(?<=inet\\s)\\d+(\\.\\d+){3}'<\/span>`<\/span> `<\/span>hostname<\/span>`<\/span>\"<\/span> | sudo tee<\/span> -a<\/span> \/etc\/hosts\r\necho<\/span> \"\r\n[kubernetes]\r\nname=Kubernetes\r\nbaseurl=https:\/\/packages.cloud.google.com\/yum\/repos\/kubernetes-el7-x86_64\r\nenabled=1\r\ngpgcheck=1\r\nrepo_gpgcheck=0\r\ngpgkey=https:\/\/packages.cloud.google.com\/yum\/doc\/yum-key.gpg https:\/\/packages.cloud.google.com\/yum\/doc\/rpm-package-key.gpg\r\n\"<\/span> | sudo tee<\/span> -a<\/span> \/etc\/yum.repos.d\/kubernetes.repo ><\/span> \/dev\/null\r\nsudo sed<\/span> -i<\/span> 's\/^SELINUX=enforcing$\/SELINUX=permissive\/'<\/span> \/etc\/selinux\/config\r\nsudo <\/span>yum install<\/span> -y<\/span> kubelet-1.24.0-0.x86_64 kubeadm-1.24.0-0.x86_64 kubectl-1.24.0-0.x86_64 --disableexcludes<\/span>=<\/span>kubernetes\r\nsudo <\/span>swapoff -a<\/span>\r\nsudo <\/span>systemctl start kubelet\r\nsudo <\/span>systemctl enable <\/span>kubelet\r\n\r\necho<\/span> '\r\n{\r\n  \"exec-opts\": [\"native.cgroupdriver=systemd\"]\r\n}\r\n'<\/span> | sudo tee<\/span> \/etc\/docker\/daemon.json ><\/span> \/dev\/null\r\nsudo <\/span>systemctl daemon-reload\r\nsudo <\/span>systemctl restart docker\r\nsudo <\/span>systemctl restart kubelet\r\nsudo <\/span>kubeadm init\r\n\r\nmkdir<\/span> -p<\/span> $HOME<\/span>\/.kube\r\nsudo cp<\/span> -i<\/span> \/etc\/kubernetes\/admin.conf $HOME<\/span>\/.kube\/config\r\nsudo chown<\/span> $(<\/span>id<\/span> -u<\/span>)<\/span>:$(<\/span>id<\/span> -g<\/span>)<\/span> $HOME<\/span>\/.kube\/config\r\n\r\necho<\/span> 'setup control-plane node'<\/span>\r\nK8S_VERSION<\/span>=<\/span>$(<\/span>kubectl version | base64<\/span> | tr<\/span> -d<\/span> '\\n'<\/span>)<\/span>\r\nkubectl apply -f<\/span> \"https:\/\/cloud.weave.works\/k8s\/net?k8s-version=<\/span>$K8S_VERSION<\/span>\"<\/span>\r\nCONTROL_PLANE<\/span>=<\/span>`<\/span>kubectl get node | grep<\/span> 'control-plane'<\/span> | cut<\/span> -d<\/span>' '<\/span> -f1<\/span>`<\/span>\r\nkubectl taint nodes $CONTROL_PLANE<\/span> node-role.kubernetes.io\/master:NoSchedule-\r\nkubectl taint nodes $CONTROL_PLANE<\/span> node-role.kubernetes.io\/control-plane:NoSchedule-\r\n<\/code><\/pre>\n
\u4f46\u662f\uff0c\u5e08\u5085\uff0c\u4e3b\u4ece\u7684\u79f0\u547c\u6b63\u5728\u53d1\u751f\u53d8\u5316\u7684\u8d8b\u52bf\uff0c\u800c\u4e14\u547d\u4ee4\u4e5f\u7a0d\u6709\u53d8\u5316\u3002<\/p>\n
 <\/p>\n
\u5b89\u88c5Redis Operator<\/h2>\n
\u4f7f\u7528Helm\u5b89\u88c5Redis Operator\u3002<\/p>\n
#!\/bin\/bash -ex<\/span>\r\nSCRIPT_DIR<\/span>=<\/span>$(<\/span>cd<\/span> $(<\/span>dirname<\/span> $0<\/span>)<\/span>;<\/span> pwd<\/span>)<\/span>\r\n\r\necho<\/span> 'install helm'<\/span>\r\nHELM_VERSION<\/span>=<\/span>'v3.8.1'<\/span>\r\ncd<\/span> $HOME<\/span>\r\ncurl \"https:\/\/get.helm.sh\/helm-<\/span>${<\/span>HELM_VERSION<\/span>}<\/span>-linux-amd64.tar.gz\"<\/span> -o<\/span> helm.tar.gz\r\ntar<\/span> -zxvf<\/span> helm.tar.gz\r\nmv <\/span>linux-amd64 helm\r\necho<\/span> 'export PATH=$PATH:$HOME\/helm'<\/span> >><\/span> $HOME<\/span>\/.bashrc\r\nsource<\/span> .bashrc\r\nhelm version\r\n\r\necho<\/span> 'install redis-operator'<\/span>\r\nREDIS_OPERATOR_VERSION<\/span>=<\/span>'v1.1.1'<\/span>\r\nREDIS_NAMESPACE<\/span>=<\/span>'redis'<\/span>\r\ncd<\/span> $SCRIPT_DIR<\/span>\r\nhelm repo add redis-operator https:\/\/spotahome.github.io\/redis-operator\r\nhelm repo update\r\nhelm install <\/span>redis-operator redis-operator\/redis-operator \\<\/span>\r\n--set<\/span> image.tag=<\/span>$REDIS_OPERATOR_VERSION<\/span> \\<\/span>\r\n-n<\/span> $REDIS_NAMESPACE<\/span> \\<\/span>\r\n--create-namespace<\/span> \\<\/span>\r\n-f<\/span> config\/redis-operator-values.yaml\r\n<\/code><\/pre>\n
image<\/span>:<\/span>\r\n  repository<\/span>:<\/span> quay.io\/spotahome\/redis-operator<\/span>\r\n  pullPolicy<\/span>:<\/span> Always<\/span>\r\n\r\nresources<\/span>:<\/span>\r\n  requests<\/span>:<\/span>\r\n    cpu<\/span>:<\/span> 100m<\/span>\r\n    memory<\/span>:<\/span> 128Mi<\/span>\r\n  limits<\/span>:<\/span>\r\n    cpu<\/span>:<\/span> 100m<\/span>\r\n    memory<\/span>:<\/span> 128Mi<\/span>\r\n<\/code><\/pre>\n
\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\uff0c\u60a8\u53ef\u4ee5\u6307\u5b9a\u64cd\u4f5c\u5458\u7684\u5185\u5b58\u3001CPU\u7b49\u3002<\/p>\n
\u521b\u5efaRedis Sentinel<\/h2>\n
\u4f7f\u7528\u6837\u4f8b\u53c2\u8003\u521b\u5efa\u4e00\u4e2ayaml\u6587\u4ef6\uff0c\u5e76\u521b\u5efaRedis Sentinel\u3002<\/p>\n
 <\/p>\n
\u6b64\u5916\uff0c\u60a8\u53ef\u4ee5\u5728\u81ea\u5b9a\u4e49\u8d44\u6e90\u4e2d\u50cfPod\u4e00\u6837\u653e\u5165\u5404\u79cd\u914d\u7f6e\u3002<\/p>\n
apiVersion<\/span>:<\/span> databases.spotahome.com\/v1<\/span>\r\nkind<\/span>:<\/span> RedisFailover<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> redisfailover<\/span>\r\n  namespace<\/span>:<\/span> redis<\/span>\r\nspec<\/span>:<\/span>\r\n  sentinel<\/span>:<\/span>\r\n    replicas<\/span>:<\/span> 3<\/span>\r\n    resources<\/span>:<\/span>\r\n      requests<\/span>:<\/span>\r\n        cpu<\/span>:<\/span> 100m<\/span>\r\n      limits<\/span>:<\/span>\r\n        memory<\/span>:<\/span> 100Mi<\/span>\r\n  redis<\/span>:<\/span>\r\n    replicas<\/span>:<\/span> 2<\/span>\r\n    resources<\/span>:<\/span>\r\n      requests<\/span>:<\/span>\r\n        cpu<\/span>:<\/span> 100m<\/span>\r\n        memory<\/span>:<\/span> 100Mi<\/span>\r\n      limits<\/span>:<\/span>\r\n        cpu<\/span>:<\/span> 400m<\/span>\r\n        memory<\/span>:<\/span> 500Mi<\/span>\r\n    storage<\/span>:<\/span>\r\n      persistentVolumeClaim<\/span>:<\/span>\r\n        metadata<\/span>:<\/span>\r\n          name<\/span>:<\/span> rf-data<\/span>\r\n        spec<\/span>:<\/span>\r\n          accessModes<\/span>:<\/span>\r\n            -<\/span> ReadWriteOnce<\/span>\r\n          storageClassName<\/span>:<\/span> local-storage<\/span>\r\n          resources<\/span>:<\/span>\r\n            requests<\/span>:<\/span>\r\n              storage<\/span>:<\/span> 1Gi<\/span>\r\n    affinity<\/span>:<\/span>\r\n      podAntiAffinity<\/span>:<\/span>\r\n        preferredDuringSchedulingIgnoredDuringExecution<\/span>:<\/span>\r\n        -<\/span> weight<\/span>:<\/span> 100<\/span>\r\n          podAffinityTerm<\/span>:<\/span>\r\n            topologyKey<\/span>:<\/span> kubernetes.io\/hostname<\/span>\r\n<\/code><\/pre>\n
\u7701\u7565\u81ea\u5b9a\u4e49\u8d44\u6e90\u4ee5\u5916\u7684\u8d44\u6e90\u5b9a\u4e49\u3002
\n\u8fd9\u6b21\u6211\u4eec\u5c06\u5404\u79cd\u8bbe\u7f6e\u653e\u5728\u4e86\u81ea\u5b9a\u4e49\u8d44\u6e90\u4e2d\u3002
\n\u6b64\u5916\uff0cRedis\u64cd\u4f5c\u5458\u7684\u914d\u7f6e\u672c\u8eab\u53ea\u9700\u5e94\u7528yaml\u6587\u4ef6\u5373\u53ef\u5b8c\u6210\u3002\u975e\u5e38\u7b80\u5355\u65b9\u4fbf\u3002<\/p>\n
kubectl apply -f<\/span> rf-basic.yaml\r\n<\/code><\/pre>\n
\u6211\u5011\u4f86\u4ecb\u7d39\u5728\u81ea\u8a02\u8cc7\u6e90\u4e2d\u7684\u8a2d\u5b9a\u3002<\/p>\n
\u4f7f\u7528PV\u8fdb\u884c\u6570\u636e\u6301\u4e45\u5316\u3002
\n\u5c06PV\u6302\u8f7d\u5230\/data\u76ee\u5f55\u4e0b\uff0c\u5e76\u5c06\u6587\u4ef6\u5199\u5165\u5176\u4e2d\u3002<\/p>\n
[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfr-redisfailover-0 -it<\/span> --<\/span> sh\r\n\/data $ <\/span>ls\r\n<\/span>dump.rdb\r\n\/data $ <\/span>pwd<\/span>\r\n\/data\r\n<\/code><\/pre>\n
\u51fa\u4e8e\u65f6\u95f4\u8003\u8651\uff0c\u672c\u6b21\u4f7f\u7528\u4e86\u672c\u5730\u5b58\u50a8\u6765\u7f16\u5199\u6587\u7ae0\uff0c\u4f46\u4e5f\u53ef\u4ee5\u4f7f\u7528AWS\u7684EBS\u6216EFS\u8fdb\u884c\u5b58\u50a8\u3002<\/p>\n
 <\/p>\n
\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u4eb2\u548c\u6027\u53ef\u4ee5\u5728\u8282\u70b9\u7ea7\u522b\u4e0a\u8fdb\u884cPOD\u7684\u5206\u6563\u914d\u7f6e\uff0c\u4f46\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u6ca1\u6709\u7279\u522b\u7684\u610f\u4e49\u3002<\/p>\n
 <\/p>\n
\u6b64\u5916\uff0cGitHub\u9875\u9762\u4e2d\u63d0\u5230\u53ef\u4ee5\u5229\u7528Secret\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u7684\u8bbe\u7f6e\uff0c\u4f46\u7531\u4e8e\u53d1\u751f\u9519\u8bef\u800c\u65e0\u6cd5\u6267\u884c\u3002<\/p>\n
[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl get pod -n<\/span> redis\r\nNAME                                 READY   STATUS    RESTARTS   AGE\r\nredis-operator-777cdb655b-f2qxq      1\/1     Running   0          143m\r\nrfr-redisfailover-0                  0\/1     Running   0          35m\r\nrfr-redisfailover-1                  0\/1     Running   0          35m\r\nrfs-redisfailover-55b5fd485b-g9kz9   1\/1     Running   0          35m\r\nrfs-redisfailover-55b5fd485b-ldlvn   1\/1     Running   0          35m\r\nrfs-redisfailover-55b5fd485b-qhsct   1\/1     Running   0          35m\r\n[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl logs -n<\/span> redis redis-operator-777cdb655b-f2qxq | tail<\/span> -n<\/span> 3\r\ntime<\/span>=<\/span>\"2022-05-21T14:09:35Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"podDisruptionBudget updated\"<\/span> namespace<\/span>=<\/span>redis podDisruptionBudget<\/span>=<\/span>rfs-redisfailover service<\/span>=<\/span>k8s.podDisruptionBudget src<\/span>=<\/span>\"poddisruptionbudget.go:79\"<\/span>\r\ntime<\/span>=<\/span>\"2022-05-21T14:09:35Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"deployment updated\"<\/span> deployment<\/span>=<\/span>rfs-redisfailover namespace<\/span>=<\/span>redis service<\/span>=<\/span>k8s.deployment src<\/span>=<\/span>\"deployment.go:102\"<\/span>\r\ntime<\/span>=<\/span>\"2022-05-21T14:09:35Z\"<\/span> level<\/span>=<\/span>error msg<\/span>=<\/span>\"error on object processing: WRONGPASS invalid username-password pair or user is disabled.\"<\/span> controller-id=<\/span>redisfailover object-key=<\/span>redis\/redisfailover operator<\/span>=<\/span>redisfailover service<\/span>=<\/span>kooper.controller src<\/span>=<\/span>\"controller.go:279\"<\/span>\r\n<\/code><\/pre>\n
\u8bbf\u95eeRedis\u8fd0\u8425\u5546<\/h2>\n
\u6211\u5c06\u5c1d\u8bd5\u4ece\u5ba2\u6237\u7aef\u8bbf\u95ee\u5df2\u521b\u5efa\u7684Redis Sentinel\u3002\u6211\u5c06\u521b\u5efa\u4e00\u4e2a\u53ef\u4ee5\u4f7f\u7528redis-cli\u547d\u4ee4\u7684POD\u6765\u8fdb\u884c\u5c1d\u8bd5\u3002<\/p>\n
[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl apply -f<\/span> redis.yaml\r\npod\/redis-pod created\r\n[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl get svc -n<\/span> redis\r\nNAME                TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(<\/span>S)<\/span>     AGE\r\nredis-operator      ClusterIP   10.105.178.232   <none>        9710\/TCP    164m\r\nrfs-redisfailover   ClusterIP   10.100.210.109   <none>        26379\/TCP   13m\r\n[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis redis-pod -it<\/span> --<\/span> bash\r\nroot@redis-pod:\/data# redis-cli -h<\/span> rfs-redisfailover -p<\/span> 26379 sentinel get-master-addr-by-name mymaster\r\n1)<\/span> \"10.32.0.8\"<\/span>\r\n2)<\/span> \"6379\"<\/span>\r\nroot@redis-pod:\/data# redis-cli -h<\/span> 10.32.0.8 set <\/span>testdata 100\r\nOK\r\nroot@redis-pod:\/data# redis-cli -h<\/span> rfs-redisfailover -p<\/span> 26379 sentinel replicas mymaster\r\n1)<\/span>  1)<\/span> \"name\"<\/span>\r\n    2)<\/span> \"10.32.0.9:6379\"<\/span>\r\n    3)<\/span> \"ip\"<\/span>\r\n    4)<\/span> \"10.32.0.9\"<\/span>\r\n    5)<\/span> \"port\"<\/span>\r\n    6)<\/span> \"6379\"<\/span>\r\n    7)<\/span> \"runid\"<\/span>\r\n    8)<\/span> \"5dd7d0cb8c3aabea01c5ec95cab15ec89a992db8\"<\/span>\r\n    9)<\/span> \"flags\"<\/span>\r\n   10)<\/span> \"slave\"<\/span>\r\n   11)<\/span> \"link-pending-commands\"<\/span>\r\n   12)<\/span> \"0\"<\/span>\r\n   13)<\/span> \"link-refcount\"<\/span>\r\n   14)<\/span> \"1\"<\/span>\r\n   15)<\/span> \"last-ping-sent\"<\/span>\r\n   16)<\/span> \"0\"<\/span>\r\n   17)<\/span> \"last-ok-ping-reply\"<\/span>\r\n   18)<\/span> \"109\"<\/span>\r\n   19)<\/span> \"last-ping-reply\"<\/span>\r\n   20)<\/span> \"109\"<\/span>\r\n   21)<\/span> \"down-after-milliseconds\"<\/span>\r\n   22)<\/span> \"5000\"<\/span>\r\n   23)<\/span> \"info-refresh\"<\/span>\r\n   24)<\/span> \"3605\"<\/span>\r\n   25)<\/span> \"role-reported\"<\/span>\r\n   26)<\/span> \"slave\"<\/span>\r\n   27)<\/span> \"role-reported-time\"<\/span>\r\n   28)<\/span> \"826627\"<\/span>\r\n   29)<\/span> \"master-link-down-time\"<\/span>\r\n   30)<\/span> \"0\"<\/span>\r\n   31)<\/span> \"master-link-status\"<\/span>\r\n   32)<\/span> \"ok\"<\/span>\r\n   33)<\/span> \"master-host\"<\/span>\r\n   34)<\/span> \"10.32.0.8\"<\/span>\r\n   35)<\/span> \"master-port\"<\/span>\r\n   36)<\/span> \"6379\"<\/span>\r\n   37)<\/span> \"slave-priority\"<\/span>\r\n   38)<\/span> \"100\"<\/span>\r\n   39)<\/span> \"slave-repl-offset\"<\/span>\r\n   40)<\/span> \"381554\"<\/span>\r\n   41)<\/span> \"replica-announced\"<\/span>\r\n   42)<\/span> \"1\"<\/span>\r\nroot@redis-pod:\/data# redis-cli -h<\/span> 10.32.0.9 get testdata\r\n\"100\"<\/span>\r\n<\/code><\/pre>\n
\u53ea\u8981\u4ece Sentinel \u7684 Service \u4e2d\u786e\u8ba4\u4e3b\u5730\u5740\uff0c\u5c31\u80fd\u5728 Redis \u4e2d\u8fdb\u884c\u6570\u636e\u7684\u8bfb\u5199\u3002<\/p>\n
\u786e\u8ba4\u6545\u969c\u8f6c\u79fb\u65f6\u7684\u884c\u4e3a\u3002<\/h2>\n
\u7136\u540e\u6211\u4eec\u5c06\u89c2\u5bdfRedis\u4e3b\u8282\u70b9\u5b95\u673a\u65f6\u7684\u6545\u969c\u8f6c\u79fb\u884c\u4e3a\u3002\u4f5c\u4e3a\u5b95\u673a\u7684\u60c5\u51b5\uff0c\u6211\u4eec\u5c06\u5220\u9664Redis\u4e3b\u8282\u70b9\u7684POD\u3002<\/p>\n
[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl get pod -n<\/span> redis -o<\/span> wide\r\nNAME                                 READY   STATUS    RESTARTS   AGE    IP           NODE                                           NOMINATED NODE   READINESS GATES\r\nredis-operator-777cdb655b-f2qxq      1\/1     Running   0          170m   10.32.0.4    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nredis-pod                            1\/1     Running   0          12m    10.32.0.10   ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nrfr-redisfailover-0                  1\/1     Running   0          19m    10.32.0.8    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nrfr-redisfailover-1                  1\/1     Running   0          19m    10.32.0.9    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nrfs-redisfailover-55b5fd485b-2967z   1\/1     Running   0          19m    10.32.0.5    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nrfs-redisfailover-55b5fd485b-6pw27   1\/1     Running   0          19m    10.32.0.6    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nrfs-redisfailover-55b5fd485b-fds5w   1\/1     Running   0          19m    10.32.0.7    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\n[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfs-redisfailover-55b5fd485b-2967z --<\/span> redis-cli -p<\/span> 26379 info | grep <\/span>mymaster\r\nDefaulted container \"sentinel\"<\/span> out of: sentinel, sentinel-config-copy (<\/span>init)<\/span>\r\nmaster0:name=<\/span>mymaster,status=<\/span>ok,address=<\/span>10.32.0.8:6379,slaves=<\/span>1,sentinels=<\/span>3\r\n[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl delete pod -n<\/span> redis rfr-redisfailover-0\r\npod \"rfr-redisfailover-0\"<\/span> deleted\r\n<\/code><\/pre>\n
\u5f53\u4e3b\u8282\u70b9\u5931\u6548\u65f6\uff0c\u5c06\u6267\u884c\u6545\u969c\u5207\u6362\u3002\u6545\u969c\u5207\u6362\u4f1a\u786e\u8ba4\u4e3b\u8282\u70b9\u5df2\u7ecf\u66f4\u6539\u3002<\/p>\n
[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl get pod -n<\/span> redis -o<\/span> wide\r\nNAME                                 READY   STATUS    RESTARTS   AGE    IP           NODE                                           NOMINATED NODE   READINESS GATES\r\nredis-operator-777cdb655b-f2qxq      1\/1     Running   0          173m   10.32.0.4    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nredis-pod                            1\/1     Running   0          15m    10.32.0.10   ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nrfr-redisfailover-0                  1\/1     Running   0          93s    10.32.0.8    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nrfr-redisfailover-1                  1\/1     Running   0          23m    10.32.0.9    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nrfs-redisfailover-55b5fd485b-2967z   1\/1     Running   0          23m    10.32.0.5    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nrfs-redisfailover-55b5fd485b-6pw27   1\/1     Running   0          23m    10.32.0.6    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\nrfs-redisfailover-55b5fd485b-fds5w   1\/1     Running   0          23m    10.32.0.7    ip-10-0-0-53.ap-northeast-1.compute.internal   <none>           <none>\r\n[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfs-redisfailover-55b5fd485b-2967z --<\/span> redis-cli -p<\/span> 26379 info | grep <\/span>mymaster\r\nDefaulted container \"sentinel\"<\/span> out of: sentinel, sentinel-config-copy (<\/span>init)<\/span>\r\nmaster0:name=<\/span>mymaster,status=<\/span>ok,address=<\/span>10.32.0.9:6379,slaves=<\/span>1,sentinels=<\/span>3\r\n[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfs-redisfailover-55b5fd485b-2967z --<\/span> redis-cli -p<\/span> 26379 sentinel replicas mymaster\r\nDefaulted container \"sentinel\"<\/span> out of: sentinel, sentinel-config-copy (<\/span>init)<\/span>\r\nname\r\n10.32.0.8:6379\r\nip\r\n10.32.0.8\r\nport\r\n6379\r\nrunid\r\n4ae072844f52afdffff3f166a0f4dfbdf603c40c\r\nflags\r\nslave\r\nlink-pending-commands\r\n0\r\nlink-refcount\r\n1\r\nlast-ping-sent\r\n0\r\nlast-ok-ping-reply\r\n568\r\nlast-ping-reply\r\n568\r\ndown-after-milliseconds\r\n5000\r\ninfo-refresh\r\n2217\r\nrole-reported\r\nslave\r\nrole-reported-time\r\n192467\r\nmaster-link-down-time\r\n0\r\nmaster-link-status\r\nok\r\nmaster-host\r\n10.32.0.9\r\nmaster-port\r\n6379\r\nslave-priority\r\n100\r\nslave-repl-offset\r\n485233\r\nreplica-announced\r\n1\r\n<\/code><\/pre>\n
\u6839\u636e\u7ed3\u679c\u786e\u8ba4\uff0cRedis\u4e3b\u670d\u52a1\u5668\u5df2\u4ecerfr-redisfailover-0\uff0810.32.0.8\uff09\u66f4\u6539\u4e3arfr-redisfailover-1\uff0810.32.0.9\uff09\u3002rfr-redisfailover-0\u5df2\u6210\u4e3a\u4ece\u670d\u52a1\u5668\u3002
\n\u5728Redis Operator\u4e2d\uff0c\u5373\u4f7fPOD\u88ab\u5220\u9664\uff0cIP\u5730\u5740\u4e5f\u4e0d\u4f1a\u6539\u53d8\u3002Redis\u548cSentinel\u7684IP\u5730\u5740\u90fd\u4e0d\u4f1a\u6539\u53d8\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u5bf9\u4e8eRedis\u6765\u8bf4\uff0cIP\u5730\u5740\u7684\u53d8\u5316\u4e0d\u518d\u9020\u6210\u4efb\u4f55\u4e0d\u4fbf\uff0c\u4e00\u5207\u95ee\u9898\u90fd\u5f97\u5230\u4e86\u89e3\u51b3\u3002<\/p>\n
\u786e\u8ba4\u68c0\u67e5\u5f53\u8bbe\u7f6e\u9519\u8bef\u65f6\u7684\u884c\u4e3a<\/h2>\n
\u7531\u4e8e\u64cd\u4f5c\u5458\u76d1\u63a7Redis\u548cSentinel\u7684\u914d\u7f6e\u65b9\u9762\uff0c\u6240\u4ee5\u6211\u5c06\u8fdb\u884c\u786e\u8ba4\u3002
\n\u8fd9\u6b21\u6211\u5c06\u5c1d\u8bd5\u5220\u9664Sentinel\u7684\u4e3b\u8282\u70b9\u76d1\u89c6\u5bf9\u8c61\u3002<\/p>\n
[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfs-redisfailover-55b5fd485b-2967z --<\/span> redis-cli -p<\/span> 26379 sentinel remove mymaster\r\nDefaulted container \"sentinel\"<\/span> out of: sentinel, sentinel-config-copy (<\/span>init)<\/span>\r\nOK\r\n[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfs-redisfailover-55b5fd485b-2967z --<\/span> redis-cli -p<\/span> 26379 info | grep <\/span>mymaster\r\nDefaulted container \"sentinel\"<\/span> out of: sentinel, sentinel-config-copy (<\/span>init)<\/span>\r\nmaster0:name=<\/span>mymaster,status=<\/span>ok,address=<\/span>10.32.0.9:6379,slaves=<\/span>1,sentinels=<\/span>3\r\n[<\/span>ec2-user@ip-10-0-0-53 ~]$ <\/span>kubectl logs -n<\/span> redis rfs-redisfailover-55b5fd485b-2967z\r\n\u30fb\u30fb\u30fb\r\n1:X 21 May 2022 14:45:59.027 # -monitor master mymaster 10.32.0.9 6379<\/span>\r\n1:X 21 May 2022 14:46:06.318 # +monitor master mymaster 10.32.0.9 6379 quorum 2<\/span>\r\n\u30fb\u30fb\u30fb\r\n<\/code><\/pre>\n
\u7d50\u679c\u986f\u793a\uff0c\u5728\u8a2d\u5b9a\u8b8a\u66f4\u4e4b\u5f8c\uff0c\u5927\u7d04\u7d93\u904e7\u79d2\uff0c\u91cd\u65b0\u8a2d\u5b9a\u5df2\u7d93\u751f\u6548\u3002
\n\u9019\u662fRedis Sentinel\u6240\u4e0d\u5177\u5099\u7684\u529f\u80fd\uff0c\u6211\u975e\u5e38\u611f\u6fc0\u3002<\/p>\n
\u786e\u8ba4\u5728Split Brain\u72b6\u6001\u4e0b\u7684\u884c\u4e3a<\/h2>\n
\u4ee5\u4e0b\u662f\u5173\u4e8e\u53d1\u751f\u62c6\u79bb\u5927\u8111\u65f6\u7684\u884c\u4e3a\u63cf\u8ff0\u3002
\n\u5728Redis Sentinel\u4e2d\u7684\u62c6\u79bb\u5927\u8111\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2aSentinel\u90fd\u8ba4\u4e3a\u5b83\u4eec\u5404\u81ea\u8fde\u63a5\u7684Redis\u662f\u4e3b\u8282\u70b9\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u56fe\u793a\u4f8b\uff1a<\/p>\n
\"image.png\"<\/div>\n
\u4e0a\u56fe\u8003\u8651\u4e86Sentinel\u4e4b\u95f4\u4ee5\u53caSentinel\u4e0eRedis\u4e4b\u95f4\u540c\u65f6\u53d1\u751f\u8fde\u63a5\u6545\u969c\u7684\u60c5\u51b5\u3002
\n\u8fd9\u65f6\uff0c\u5bf9\u4e8eSentinel1\u6765\u8bf4\uff0cSentinel2\u3001Sentinel3\u548cRedis2\uff08\u526f\u672c\uff09\u4f3c\u4e4e\u90fd\u5df2\u7ecf\u5b95\u673a\u3002
\n\u5bf9\u4e8eSentinel2\u548cSentinel3\u6765\u8bf4\uff0cSentinel1\u548cRedis1\uff08\u4e3b\u670d\u52a1\u5668\uff09\u4f3c\u4e4e\u90fd\u5df2\u7ecf\u5b95\u673a\u3002
\n\u7531\u4e8eSentinel2\u548cSentinel3\u8ba4\u4e3a\u4e3b\u670d\u52a1\u5668\u5df2\u7ecf\u5b95\u673a\uff0c\u5b83\u4eec\u6267\u884c\u6545\u969c\u8f6c\u79fb\u5c06Redis2\u5347\u7ea7\u4e3a\u4e3b\u670d\u52a1\u5668\u3002\u7136\u800c\uff0cSentinel1\u5e76\u4e0d\u77e5\u60c5\uff0c\u4ecd\u7136\u8ba4\u4e3aRedis1\u662f\u4e3b\u670d\u52a1\u5668\u3002\u7ed3\u679c\u5c31\u662f\uff0cSentinel1\u4e0eSentinel2\u3001Sentinel3\u8fde\u63a5\u7684\u662f\u4e0d\u540c\u7684Redis\u4e3b\u670d\u52a1\u5668\u3002\u5982\u679c\u6b64\u65f6\u6709\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u6570\u636e\u4e22\u5931\u7684\u60c5\u51b5\u3002
\n\u5728Redis Operator\u4e2d\uff0c\u6211\u4eec\u5c06\u9a8c\u8bc1\u5f53\u51fa\u73b0\u8111\u88c2\u65f6\u4f1a\u53d1\u751f\u4ec0\u4e48\u3002<\/p>\n
\u4f5c\u4e3a\u51c6\u5907\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5chaos-mesh\u3002<\/p>\n
#!\/bin\/bash -ex<\/span>\r\nSCRIPT_DIR<\/span>=<\/span>$(<\/span>cd<\/span> $(<\/span>dirname<\/span> $0<\/span>)<\/span>;<\/span> pwd<\/span>)<\/span>\r\n\r\necho<\/span> 'install chaos-mesh'<\/span>\r\nCHAOS_MESH_VERSION<\/span>=<\/span>'2.1.3'<\/span>\r\nINSTALL_NAMESPACE<\/span>=<\/span>'chaos-testing'<\/span>\r\ncd<\/span> $SCRIPT_DIR<\/span>\r\nhelm repo add chaos-mesh https:\/\/charts.chaos-mesh.org\r\nhelm install <\/span>chaos-mesh chaos-mesh\/chaos-mesh \\<\/span>\r\n--version<\/span> $CHAOS_MESH_VERSION<\/span> \\<\/span>\r\n-n<\/span> $INSTALL_NAMESPACE<\/span> \\<\/span>\r\n--create-namespace<\/span> \\<\/span>\r\n-f<\/span> config\/chaos-mesh-values.yaml\r\n\r\necho<\/span> 'annotate redis node'<\/span>\r\nCONTROL_PLANE<\/span>=<\/span>`<\/span>kubectl get node | grep<\/span> 'control-plane'<\/span> | cut<\/span> -d<\/span>' '<\/span> -f1<\/span>`<\/span>\r\nkubectl annotate node $CONTROL_PLANE<\/span> chaos-mesh.org\/inject=<\/span>enabled\r\n<\/code><\/pre>\n
controllerManager<\/span>:<\/span>\r\n  enableFilterNamespace<\/span>:<\/span> '<\/span>true'<\/span>\r\n\r\nchaosDaemon<\/span>:<\/span>\r\n  runtime<\/span>:<\/span> '<\/span>containerd'<\/span>\r\n  socketPath<\/span>:<\/span> '<\/span>\/var\/run\/containerd\/containerd.sock'<\/span>\r\n<\/code><\/pre>\n
\u901a\u8fc7Redis Operator\u5f15\u8d77\u8fde\u63a5\u6545\u969c\u3002
\n\u521b\u5efa\u4ee5\u4e0byaml\u6587\u4ef6\uff0c\u7528\u4e8e\u65ad\u5f00\u6307\u5b9aPOD\u7684\u8fde\u63a5\u3002<\/p>\n
apiVersion<\/span>:<\/span> chaos-mesh.org\/v1alpha1<\/span>\r\nkind<\/span>:<\/span> Workflow<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> rf-chaos<\/span>\r\n  namespace<\/span>:<\/span> chaos-testing<\/span>\r\nspec<\/span>:<\/span>\r\n  entry<\/span>:<\/span> rf-networkchaos<\/span>\r\n  templates<\/span>:<\/span>\r\n    -<\/span> name<\/span>:<\/span> rf-networkchaos<\/span>\r\n      templateType<\/span>:<\/span> Parallel<\/span>\r\n      children<\/span>:<\/span>\r\n        -<\/span> redis-master<\/span>\r\n        -<\/span> redis-slave<\/span>\r\n        -<\/span> sentinel<\/span>\r\n    -<\/span> name<\/span>:<\/span> redis-master<\/span>\r\n      templateType<\/span>:<\/span> NetworkChaos<\/span>\r\n      networkChaos<\/span>:<\/span>\r\n        action<\/span>:<\/span> partition<\/span>\r\n        mode<\/span>:<\/span> all<\/span>\r\n        selector<\/span>:<\/span>\r\n          pods<\/span>:<\/span>\r\n            redis<\/span>:<\/span>\r\n              -<\/span> rfr-redisfailover-0<\/span>\r\n        direction<\/span>:<\/span> to<\/span>\r\n        target<\/span>:<\/span>\r\n          mode<\/span>:<\/span> all<\/span>\r\n          selector<\/span>:<\/span>\r\n            pods<\/span>:<\/span>\r\n              redis<\/span>:<\/span>\r\n                -<\/span> rfs-redisfailover-55b5fd485b-jks7t<\/span>\r\n                -<\/span> rfs-redisfailover-55b5fd485b-pp6qg<\/span>\r\n    -<\/span> name<\/span>:<\/span> redis-slave<\/span>\r\n      templateType<\/span>:<\/span> NetworkChaos<\/span>\r\n      networkChaos<\/span>:<\/span>\r\n        action<\/span>:<\/span> partition<\/span>\r\n        mode<\/span>:<\/span> all<\/span>\r\n        selector<\/span>:<\/span>\r\n          pods<\/span>:<\/span>\r\n            redis<\/span>:<\/span>\r\n              -<\/span> rfr-redisfailover-1<\/span>\r\n        direction<\/span>:<\/span> to<\/span>\r\n        target<\/span>:<\/span>\r\n          mode<\/span>:<\/span> all<\/span>\r\n          selector<\/span>:<\/span>\r\n            pods<\/span>:<\/span>\r\n              redis<\/span>:<\/span>\r\n                -<\/span> rfs-redisfailover-55b5fd485b-4cltl<\/span>\r\n    -<\/span> name<\/span>:<\/span> sentinel<\/span>\r\n      templateType<\/span>:<\/span> NetworkChaos<\/span>\r\n      networkChaos<\/span>:<\/span>\r\n        action<\/span>:<\/span> partition<\/span>\r\n        mode<\/span>:<\/span> all<\/span>\r\n        selector<\/span>:<\/span>\r\n          pods<\/span>:<\/span>\r\n            redis<\/span>:<\/span>\r\n              -<\/span> rfs-redisfailover-55b5fd485b-4cltl<\/span>\r\n        direction<\/span>:<\/span> to<\/span>\r\n        target<\/span>:<\/span>\r\n          mode<\/span>:<\/span> all<\/span>\r\n          selector<\/span>:<\/span>\r\n            pods<\/span>:<\/span>\r\n              redis<\/span>:<\/span>\r\n                -<\/span> rfs-redisfailover-55b5fd485b-jks7t<\/span>\r\n                -<\/span> rfs-redisfailover-55b5fd485b-pp6qg<\/span>\r\n<\/code><\/pre>\n
\u5e94\u7528\u4e0a\u8ff0\u7684yaml\u6587\u4ef6\u3002<\/p>\n
[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl apply -f<\/span> rf-netchaos.yaml\r\nworkflow.chaos-mesh.org\/rf-chaos created\r\n<\/code><\/pre>\n
\u6211\u8981\u67e5\u770bRedis Operator\u7684\u72b6\u6001\u3002<\/p>\n
[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfs-redisfailover-55b5fd485b-4cltl --<\/span> redis-cli -p<\/span> 26379 info | grep <\/span>mymaster\r\nDefaulted container \"sentinel\"<\/span> out of: sentinel, sentinel-config-copy (<\/span>init)<\/span>\r\nmaster0:name=<\/span>mymaster,status=<\/span>ok,address=<\/span>10.32.0.13:6379,slaves=<\/span>1,sentinels=<\/span>3\r\n[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfs-redisfailover-55b5fd485b-jks7t --<\/span> redis-cli -p<\/span> 26379 info | grep <\/span>mymaster\r\nDefaulted container \"sentinel\"<\/span> out of: sentinel, sentinel-config-copy (<\/span>init)<\/span>\r\nmaster0:name=<\/span>mymaster,status=<\/span>ok,address=<\/span>10.32.0.14:6379,slaves=<\/span>1,sentinels=<\/span>3\r\n[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfs-redisfailover-55b5fd485b-pp6qg --<\/span> redis-cli -p<\/span> 26379 info | grep <\/span>mymaster\r\nDefaulted container \"sentinel\"<\/span> out of: sentinel, sentinel-config-copy (<\/span>init)<\/span>\r\nmaster0:name=<\/span>mymaster,status=<\/span>ok,address=<\/span>10.32.0.14:6379,slaves=<\/span>1,sentinels=<\/span>3\r\n<\/code><\/pre>\n
\u5f53\u4ece Sentinel \u67e5\u8be2 Redis \u4e3b\u670d\u52a1\u5668\u7684 IP \u5730\u5740\u65f6\uff0c\u6211\u4eec\u53d1\u73b0\u53ea\u6709\u4e00\u53f0 IP \u5730\u5740\u4e0e\u5176\u4ed6\u4e0d\u540c\uff0c\u8fd9\u8868\u660e\u53d1\u751f\u4e86\u8111\u88c2\u95ee\u9898\u3002
\n\u53e6\u5916\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u89c2\u5bdf POD \u7684\u72b6\u6001\u3002<\/p>\n
[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl get pod -n<\/span> redis -o<\/span> wide\r\nNAME                                 READY   STATUS    RESTARTS   AGE     IP           NODE                                            NOMINATED NODE   READINESS GATES\r\nredis-operator-777cdb655b-2w546      1\/1     Running   0          24m     10.32.0.4    ip-10-0-0-199.ap-northeast-1.compute.internal   <none>           <none>\r\nrfr-redisfailover-0                  1\/1     Running   0          4m24s   10.32.0.13   ip-10-0-0-199.ap-northeast-1.compute.internal   <none>           <none>\r\nrfr-redisfailover-1                  1\/1     Running   0          4m24s   10.32.0.14   ip-10-0-0-199.ap-northeast-1.compute.internal   <none>           <none>\r\nrfs-redisfailover-55b5fd485b-4cltl   1\/1     Running   0          4m23s   10.32.0.11   ip-10-0-0-199.ap-northeast-1.compute.internal   <none>           <none>\r\nrfs-redisfailover-55b5fd485b-jks7t   1\/1     Running   0          4m23s   10.32.0.10   ip-10-0-0-199.ap-northeast-1.compute.internal   <none>           <none>\r\nrfs-redisfailover-55b5fd485b-pp6qg   1\/1     Running   0          4m23s   10.32.0.12   ip-10-0-0-199.ap-northeast-1.compute.internal   <none>           <none>\r\n<\/code><\/pre>\n
\u68c0\u67e5\u5230READY\u680f\u4f4d\u4e3a1\/1\uff0c\u8bf4\u660e\u5ba2\u6237\u7aef\u53ef\u4ee5\u8bbf\u95ee\u3002\u5982\u679c\u6570\u636e\u4e22\u5931\u6210\u4e3a\u95ee\u9898\uff0c\u6211\u8ba4\u4e3a\u9700\u8981\u91c7\u53d6\u4e00\u4e9b\u63aa\u65bd\u3002\u67e5\u770b\u64cd\u4f5c\u5458\u65e5\u5fd7\u8bb0\u5f55\u3002<\/p>\n
[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl logs -n<\/span> redis redis-operator-777cdb655b-2w546 | tail\r\ntime<\/span>=<\/span>\"2022-05-22T02:26:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"configMap updated\"<\/span> configMap<\/span>=<\/span>rfr-redisfailover namespace<\/span>=<\/span>redis service<\/span>=<\/span>k8s.configMap src<\/span>=<\/span>\"configmap.go:78\"<\/span>\r\nW0522 02:26:21.493347       1 warnings.go:70] policy\/v1beta1 PodDisruptionBudget is deprecated in <\/span>v1.21+, unavailable in <\/span>v1.25+;<\/span> use policy\/v1 PodDisruptionBudget\r\nW0522 02:26:21.497182       1 warnings.go:70] policy\/v1beta1 PodDisruptionBudget is deprecated in <\/span>v1.21+, unavailable in <\/span>v1.25+;<\/span> use policy\/v1 PodDisruptionBudget\r\ntime<\/span>=<\/span>\"2022-05-22T02:26:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"podDisruptionBudget updated\"<\/span> namespace<\/span>=<\/span>redis podDisruptionBudget<\/span>=<\/span>rfr-redisfailover service<\/span>=<\/span>k8s.podDisruptionBudget src<\/span>=<\/span>\"poddisruptionbudget.go:79\"<\/span>\r\ntime<\/span>=<\/span>\"2022-05-22T02:26:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"statefulSet updated\"<\/span> namespace<\/span>=<\/span>redis service<\/span>=<\/span>k8s.statefulSet src<\/span>=<\/span>\"statefulset.go:102\"<\/span> statefulSet<\/span>=<\/span>rfr-redisfailover\r\nW0522 02:26:21.507657       1 warnings.go:70] policy\/v1beta1 PodDisruptionBudget is deprecated in <\/span>v1.21+, unavailable in <\/span>v1.25+;<\/span> use policy\/v1 PodDisruptionBudget\r\nW0522 02:26:21.511551       1 warnings.go:70] policy\/v1beta1 PodDisruptionBudget is deprecated in <\/span>v1.21+, unavailable in <\/span>v1.25+;<\/span> use policy\/v1 PodDisruptionBudget\r\ntime<\/span>=<\/span>\"2022-05-22T02:26:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"podDisruptionBudget updated\"<\/span> namespace<\/span>=<\/span>redis podDisruptionBudget<\/span>=<\/span>rfs-redisfailover service<\/span>=<\/span>k8s.podDisruptionBudget src<\/span>=<\/span>\"poddisruptionbudget.go:79\"<\/span>\r\ntime<\/span>=<\/span>\"2022-05-22T02:26:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"deployment updated\"<\/span> deployment<\/span>=<\/span>rfs-redisfailover namespace<\/span>=<\/span>redis service<\/span>=<\/span>k8s.deployment src<\/span>=<\/span>\"deployment.go:102\"<\/span>\r\ntime<\/span>=<\/span>\"2022-05-22T02:26:21Z\"<\/span> level<\/span>=<\/span>error msg<\/span>=<\/span>\"error on object processing: More than one master, fix manually\"<\/span> controller-id=<\/span>redisfailover object-key=<\/span>redis\/redisfailover operator<\/span>=<\/span>redisfailover service<\/span>=<\/span>kooper.controller src<\/span>=<\/span>\"controller.go:279\"<\/span>\r\n<\/code><\/pre>\n
\u5728\u65e5\u5fd7\u7684\u6700\u540e\u4e00\u53e5\u8bdd\u4e2d\uff0c\u51fa\u73b0\u4e86\u9700\u8981\u624b\u52a8\u4fee\u6b63\u7684\u9519\u8bef\u6d88\u606f\uff0c\u539f\u56e0\u662f\u7531\u4e8e\u5b58\u5728\u591a\u4e2a\u4e3b\u670d\u52a1\u5668\u3002\u6700\u540e\u5c1d\u8bd5\u89e3\u51b3\u8fde\u63a5\u95ee\u9898\u3002<\/p>\n
[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl delete -f<\/span> rf-netchaos.yaml\r\nworkflow.chaos-mesh.org \"rf-chaos\"<\/span> deleted\r\n[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl logs -n<\/span> redis redis-operator-777cdb655b-2w546 | tail<\/span> -n<\/span> 20\r\n\u30fb\u30fb\u30fb\r\ntime<\/span>=<\/span>\"2022-05-22T02:28:51Z\"<\/span> level<\/span>=<\/span>error msg<\/span>=<\/span>\"error on object processing: More than one master, fix manually\"<\/span> controller-id=<\/span>redisfailover object-key=<\/span>redis\/redisfailover operator<\/span>=<\/span>redisfailover service<\/span>=<\/span>kooper.controller src<\/span>=<\/span>\"controller.go:279\"<\/span>\r\ntime<\/span>=<\/span>\"2022-05-22T02:29:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"configMap updated\"<\/span> configMap<\/span>=<\/span>rfs-redisfailover namespace<\/span>=<\/span>redis service<\/span>=<\/span>k8s.configMap src<\/span>=<\/span>\"configmap.go:78\"<\/span>\r\ntime<\/span>=<\/span>\"2022-05-22T02:29:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"configMap updated\"<\/span> configMap<\/span>=<\/span>rfr-s-redisfailover namespace<\/span>=<\/span>redis service<\/span>=<\/span>k8s.configMap src<\/span>=<\/span>\"configmap.go:78\"<\/span>\r\ntime<\/span>=<\/span>\"2022-05-22T02:29:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"configMap updated\"<\/span> configMap<\/span>=<\/span>rfr-readiness-redisfailover namespace<\/span>=<\/span>redis service<\/span>=<\/span>k8s.configMap src<\/span>=<\/span>\"configmap.go:78\"<\/span>\r\ntime<\/span>=<\/span>\"2022-05-22T02:29:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"configMap updated\"<\/span> configMap<\/span>=<\/span>rfr-redisfailover namespace<\/span>=<\/span>redis service<\/span>=<\/span>k8s.configMap src<\/span>=<\/span>\"configmap.go:78\"<\/span>\r\nW0522 02:29:21.474784       1 warnings.go:70] policy\/v1beta1 PodDisruptionBudget is deprecated in <\/span>v1.21+, unavailable in <\/span>v1.25+;<\/span> use policy\/v1 PodDisruptionBudget\r\nW0522 02:29:21.478397       1 warnings.go:70] policy\/v1beta1 PodDisruptionBudget is deprecated in <\/span>v1.21+, unavailable in <\/span>v1.25+;<\/span> use policy\/v1 PodDisruptionBudget\r\ntime<\/span>=<\/span>\"2022-05-22T02:29:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"podDisruptionBudget updated\"<\/span> namespace<\/span>=<\/span>redis podDisruptionBudget<\/span>=<\/span>rfr-redisfailover service<\/span>=<\/span>k8s.podDisruptionBudget src<\/span>=<\/span>\"poddisruptionbudget.go:79\"<\/span>\r\ntime<\/span>=<\/span>\"2022-05-22T02:29:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"statefulSet updated\"<\/span> namespace<\/span>=<\/span>redis service<\/span>=<\/span>k8s.statefulSet src<\/span>=<\/span>\"statefulset.go:102\"<\/span> statefulSet<\/span>=<\/span>rfr-redisfailover\r\nW0522 02:29:21.487929       1 warnings.go:70] policy\/v1beta1 PodDisruptionBudget is deprecated in <\/span>v1.21+, unavailable in <\/span>v1.25+;<\/span> use policy\/v1 PodDisruptionBudget\r\nW0522 02:29:21.491568       1 warnings.go:70] policy\/v1beta1 PodDisruptionBudget is deprecated in <\/span>v1.21+, unavailable in <\/span>v1.25+;<\/span> use policy\/v1 PodDisruptionBudget\r\ntime<\/span>=<\/span>\"2022-05-22T02:29:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"podDisruptionBudget updated\"<\/span> namespace<\/span>=<\/span>redis podDisruptionBudget<\/span>=<\/span>rfs-redisfailover service<\/span>=<\/span>k8s.podDisruptionBudget src<\/span>=<\/span>\"poddisruptionbudget.go:79\"<\/span>\r\ntime<\/span>=<\/span>\"2022-05-22T02:29:21Z\"<\/span> level<\/span>=<\/span>info msg<\/span>=<\/span>\"deployment updated\"<\/span> deployment<\/span>=<\/span>rfs-redisfailover namespace<\/span>=<\/span>redis service<\/span>=<\/span>k8s.deployment src<\/span>=<\/span>\"deployment.go:102\"<\/span>\r\n[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfs-redisfailover-55b5fd485b-4cltl --<\/span> redis-cli -p<\/span> 26379 info | grep <\/span>mymaster\r\nDefaulted container \"sentinel\"<\/span> out of: sentinel, sentinel-config-copy (<\/span>init)<\/span>\r\nmaster0:name=<\/span>mymaster,status=<\/span>ok,address=<\/span>10.32.0.14:6379,slaves=<\/span>1,sentinels=<\/span>3\r\n[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfs-redisfailover-55b5fd485b-jks7t --<\/span> redis-cli -p<\/span> 26379 info | grep <\/span>mymaster\r\nDefaulted container \"sentinel\"<\/span> out of: sentinel, sentinel-config-copy (<\/span>init)<\/span>\r\nmaster0:name=<\/span>mymaster,status=<\/span>ok,address=<\/span>10.32.0.14:6379,slaves=<\/span>1,sentinels=<\/span>3\r\n[<\/span>ec2-user@ip-10-0-0-199 ~]$ <\/span>kubectl exec<\/span> -n<\/span> redis rfs-redisfailover-55b5fd485b-pp6qg --<\/span> redis-cli -p<\/span> 26379 info | grep <\/span>mymaster\r\nDefaulted container \"sentinel\"<\/span> out of: sentinel, sentinel-config-copy (<\/span>init)<\/span>\r\nmaster0:name=<\/span>mymaster,status=<\/span>ok,address=<\/span>10.32.0.14:6379,slaves=<\/span>1,sentinels=<\/span>3\r\n<\/code><\/pre>\n
\u8fc7\u4e86\u4e00\u6bb5\u65f6\u95f4\uff0c\u914d\u7f6e\u5df2\u66f4\u65b0\u3002\u6240\u6709Sentinel\u8fde\u63a5\u5230\u7684Redis\u4e3b\u8282\u70b9\u5df2\u7ecf\u66f4\u6539\u4e3a\u6545\u969c\u8f6c\u79fb\u540e\u7684\u8282\u70b9\u3002\u4e00\u65e6\u8fde\u63a5\u6545\u969c\u89e3\u9664\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5c1d\u8bd5\u6062\u590d\u8fde\u63a5\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u786e\u8ba4\u4e86\u8111\u5206\u79bb\u7684\u95ee\u9898\u3002<\/p>\n
\u603b\u7ed3<\/h1>\n
\u6211\u5c1d\u8bd5\u4f7f\u7528Redis Operator\uff0c\u5b9e\u9645\u662f\u5426\u91c7\u7528Operator\u53d6\u51b3\u4e8e\u5177\u4f53\u60c5\u51b5\u3002\u7136\u800c\uff0c\u5982\u679c\u53ef\u4ee5\u901a\u8fc7Operator\u5b9e\u73b0\u4f7f\u7528Redis\u7684\u76ee\u6807\uff0c\u90a3\u5c06\u662f\u5f88\u65b9\u4fbf\u7684\u3002\u6211\u8fd8\u6709\u5f88\u591a\u4e0d\u4e86\u89e3\u7684\u57fa\u7840\u8bbe\u65bd\u77e5\u8bc6\uff0c\u6211\u4f1a\u7ee7\u7eed\u5b66\u4e60\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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