{"id":110,"date":"2021-03-10T17:37:33","date_gmt":"2021-03-10T09:37:33","guid":{"rendered":"\/?p=110"},"modified":"2021-03-10T17:37:53","modified_gmt":"2021-03-10T09:37:53","slug":"12-%e8%af%b4%e4%b8%80%e8%af%b4%e4%b8%8d%e5%b8%b8%e8%a7%81%e7%9a%84project-volume%e5%92%8c%e5%81%a5%e5%ba%b7%e6%8e%a2%e9%92%88","status":"publish","type":"post","link":"http:\/\/xinblog.ltd\/?p=110","title":{"rendered":"12.\u8bf4\u4e00\u8bf4\u4e0d\u5e38\u89c1\u7684Project Volume\u548c\u5065\u5eb7\u63a2\u9488"},"content":{"rendered":"\n<p><\/p>\n\n\n<p>\u5728Kubernetes\u4e2d,Pod\u643a\u5e26\u7684\u4fe1\u606f\u5373\u4e3a\u4e30\u5bcc,\u6bd4\u5982\u8c03\u5ea6,\u955c\u50cf\u76f8\u5173\u7684\u5b57\u6bb5,\u4f46\u662f\u9664\u4e86\u8fd9\u4e9b,\u8fd8\u6709\u4e9b\u7279\u6b8a\u7684\u5c0f\u70b9\u9700\u8981\u6211\u4eec\u4e86\u89e3,\u4ece\u800c\u52a0\u6df1\u5bf9Pod\u7684\u7406\u89e3<\/p>\n<p>\u6bd4\u5982,\u6211\u4eec\u8981\u8bb2\u7684\u7279\u6b8a\u7684Volume,\u53eb\u505aProjected Volume,\u6295\u5c04\u6570\u636e\u5377<\/p>\n<p>\u5728Kubernetes\u4e2d,\u6709\u51e0\u79cd\u7279\u6b8a\u7684Volume,\u5176\u610f\u4e49,\u5c31\u662f\u4e3a\u4e86\u5b58\u653e\u5bb9\u5668\u5185\u7684\u6570\u636e,\u4e5f\u4e0d\u662f\u4e3a\u4e86\u8fdb\u884c\u5bb9\u5668\u548c\u5bbf\u4e3b\u673a\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362,\u8fd9\u4e9bVolume,\u5c31\u662f\u4e3a\u5bb9\u5668\u63d0\u4f9b\u9884\u5148\u5b9a\u4e49\u597d\u7684\u6570\u636e,\u5c31\u597d\u6bd4\u662f\u4eceKubernetes\u6295\u5c04\u8fdb\u5165\u5bb9\u5668\u4e2d\u7684,\u8fd9\u5c31\u662fProjected Volume\u7684\u542b\u4e49<\/p>\n<p>\u5230\u73b0\u5728\u4e3a\u6b62,\u5e38\u89c1\u7684Projected Volume\u4e00\u5171\u6709\u56db\u79cd<\/p>\n<p>Secret<\/p>\n<p>ConfigMap<\/p>\n<p>Download API<\/p>\n<p>ServiceAccountToken<\/p>\n<p>\u9996\u5148\u662fSecret,\u5176\u4f5c\u7528\u662f\u5c06Pod\u4e2d\u60f3\u8981\u8bbf\u95ee\u7684\u52a0\u5bc6\u6570\u636e,\u653e\u5728Etcd\u4e2d,\u8fd9\u6837,\u5c31\u53ef\u4ee5\u5728Pod\u4e2d\u4ee5\u6302\u8f7dVolume\u7684\u65b9\u5f0f,\u8bbf\u95ee\u5230Secret\u91cc\u7684\u4fe1\u606f\u4e86<\/p>\n<p>Serect\u7684\u5178\u578b\u4f7f\u7528\u573a\u666f,\u5c31\u662f\u5728\u5b58\u653e\u6570\u636e\u5e93\u7684\u767b\u5f55\u4fe1\u606f<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>apiVersion: v1<\/p>\n<p>kind: Pod<\/p>\n<p>metadata:<\/p>\n<p>\u00a0 name: test-projected-volume\u00a0<\/p>\n<p>spec:<\/p>\n<p>\u00a0 containers:<\/p>\n<p>\u00a0 &#8211; name: test-secret-volume<\/p>\n<p>\u00a0 \u00a0 image: busybox<\/p>\n<p>\u00a0 \u00a0 args:<\/p>\n<p>\u00a0 \u00a0 &#8211; sleep<\/p>\n<p>\u00a0 \u00a0 &#8211; &#8220;86400&#8221;<\/p>\n<p>\u00a0 \u00a0 volumeMounts:<\/p>\n<p>\u00a0 \u00a0 &#8211; name: mysql-cred<\/p>\n<p>\u00a0 \u00a0 \u00a0 mountPath: &#8220;\/projected-volume&#8221;<\/p>\n<p>\u00a0 \u00a0 \u00a0 readOnly: true<\/p>\n<p>\u00a0 volumes:<\/p>\n<p>\u00a0 &#8211; name: mysql-cred<\/p>\n<p>\u00a0 \u00a0 projected:<\/p>\n<p>\u00a0 \u00a0 \u00a0 sources:<\/p>\n<p>\u00a0 \u00a0 \u00a0 &#8211; secret:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 name: user<\/p>\n<p>\u00a0 \u00a0 \u00a0 &#8211; secret:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 name: pass<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5bb9\u5668,\u6302\u8f7d\u7684Volume,\u4e0d\u662f\u5e38\u89c1\u7684emptyDir\u6216\u8005hostPath\u7c7b\u578b,\u800c\u662fprojected\u7c7b\u578b,\u8fd9\u4e2avolume\u7684\u6570\u636e\u6765\u6e90,\u662fuser\u548cpass\u7684Secret\u5bf9\u8c61,\u5bf9\u5e94\u7684\u5206\u522b\u662f\u6570\u636e\u5e93\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801<\/p>\n<p>\u800c\u8fd9\u4e24\u4e2aprojected volume\u7684\u6765\u6e90,\u6b63\u662f\u4ee5Secret\u5bf9\u8c61\u7684\u65b9\u5f0f\u4ea4\u7ed9Kubernetes\u4fdd\u5b58\u7684,\u5b8c\u6210\u8fd9\u4e2a\u64cd\u4f5c\u7684\u6307\u4ee4<\/p>\n<p>$ cat .\/username.txt<\/p>\n<p>admin<\/p>\n<p>$ cat .\/password.txt<\/p>\n<p>c1oudc0w!<\/p>\n<p>$ kubectl create secret generic user &#8211;from-file=.\/username.txt<\/p>\n<p>$ kubectl create secret generic pass &#8211;from-file=.\/password.txt<\/p>\n<p>\u8fd9\u6837,\u5c31\u521b\u5efa\u4e86\u4e24\u4e2asecret\u5bf9\u8c61,\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u67e5\u770b\u4e00\u4e0b<\/p>\n<p>kubectl get secrets<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" width=\"504\" height=\"62\" class=\"wp-image-111\" src=\"\/wp-content\/uploads\/2021\/03\/unnamed-file-33.png\" alt=\"\u56fe\u7247\" srcset=\"http:\/\/xinblog.ltd\/wp-content\/uploads\/2021\/03\/unnamed-file-33.png 504w, http:\/\/xinblog.ltd\/wp-content\/uploads\/2021\/03\/unnamed-file-33-300x37.png 300w\" sizes=\"(max-width: 504px) 100vw, 504px\" \/><\/p>\n<p>\u5f53\u7136,\u8fd8\u53ef\u4ee5\u4f7f\u7528YAML\u7684\u65b9\u5f0f\u6765\u521b\u5efaSecret\u5bf9\u8c61<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>apiVersion: v1<\/p>\n<p>kind: Secret<\/p>\n<p>metadata:<\/p>\n<p>\u00a0 name: mysecret<\/p>\n<p>type: Opaque<\/p>\n<p>data:<\/p>\n<p>\u00a0 user: YWRtaW4=<\/p>\n<p>\u00a0 pass: MWYyZDFlMmU2N2Rm<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u901a\u8fc7\u5176\u7f16\u5199YAML\u6587\u4ef6\u521b\u5efa\u51fa\u7684Secret\u5bf9\u8c61\u53ea\u6709\u4e00\u4e2a,\u4f46\u662fdata\u5b57\u6bb5,\u5374\u5229\u7528key-value\u4fdd\u5b58\u4e86\u4e24\u4efdSecret\u6570\u636e,\u5176\u4e2duser\u662f\u7b2c\u4e00\u4efd\u6570\u636e\u7684key pass\u662f\u7b2c\u4e8c\u4efd\u6570\u636e\u7684key<\/p>\n<p>\u8fd9\u4e24\u4e2a\u6570\u636e,\u662f\u6211\u4eec\u7ecf\u8fc7Base64\u8f6c\u7801\u5f97\u5230\u7684,\u8fd9\u4e5f\u662fK8s\u8981\u6c42\u7684<\/p>\n<p>\u5f53\u7136,\u7b80\u5355\u7684\u8f6c\u7801\u5e76\u4e0d\u80fd\u6ee1\u8db3\u6211\u4eec\u7684\u52a0\u5bc6\u9700\u6c42,\u4e00\u822c\u8fd8\u9700\u8981\u5f00\u542f\u4e13\u95e8\u7684\u52a0\u5bc6\u63d2\u4ef6,\u5148\u4e0d\u8bf4\u8fd9\u4e2a<\/p>\n<p>\u7136\u540e\u6211\u4eec\u521b\u5efa\u6700\u5f00\u59cb\u7684\u6302\u8f7d\u4e86Volume\u7684\u8fd9\u4e2aPod<\/p>\n<p>kubectl create -f test-projected-volume.yaml<\/p>\n<p>\u7136\u540e\u6211\u4eec\u5c1d\u8bd5\u83b7\u53d6\u5230\u8fd9\u4e2a\u6587\u672c\u5bf9\u8c61<\/p>\n<p>\u5f53Pod\u53d8\u6210Running\u72b6\u6001\u4e4b\u540e\u4e86,\u6211\u4eec\u9a8c\u8bc1\u4e00\u4e0bSecret\u5bf9\u8c61\u662f\u4e0d\u662f\u5df2\u7ecf\u5728\u5bb9\u5668\u4e86<\/p>\n<p>kubectl exec -it test-projected-volume &#8212; \/bin\/sh<\/p>\n<p>\/ # ls \/projected-volume\/<\/p>\n<p>password.txt\u00a0 username.txt<\/p>\n<p>\/ # cd \/projected-volume\/<\/p>\n<p>\/projected-volume # ls<\/p>\n<p>password.txt\u00a0 username.txt<\/p>\n<p>\/projected-volume # cat password.txt\u00a0<\/p>\n<p>wow<\/p>\n<p>\/projected-volume # cat username.txt\u00a0<\/p>\n<p>admin<\/p>\n<p>\/projected-volume #\u00a0<\/p>\n<p>\u8fd9\u6837,\u5c31\u662f\u6211\u4eec\u4ee5\u6587\u4ef6\u7684\u5f62\u5f0f,\u5c55\u793a\u4e86\u5bf9\u5e94\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801<\/p>\n<p>\u8fd9\u4e9b\u5b9e\u9645\u6587\u4ef6\u4e2d\u7684\u6570\u636e,\u5c31\u662f\u4fdd\u5b58\u5728Etcd\u5bf9\u5e94\u7684\u7528\u6237\u548c\u5bc6\u7801,\u4ee5\u6587\u4ef6\u7684\u5f62\u5f0f\u4fdd\u5b58\u5728\u4e86\u8fd9\u91cc,\u8fd9\u4e2a\u6587\u4ef6\u7684\u540d\u5b57,\u5c31\u662f<\/p>\n<p>kubectl create secret \u6307\u4ee4\u7684key\u6216\u8005secret\u5bf9\u8c61\u7684data\u5b57\u6bb5\u7684key<\/p>\n<p>\u800c\u4e14,\u4e00\u65e6\u662f\u4ee5\u6302\u8f7d\u7684\u65b9\u5f0f\u8fdb\u5165\u5bb9\u5668\u7684secret,\u5982\u679cEtcd\u7684\u6570\u636e\u88ab\u66f4\u65b0,\u90a3\u4e48Volume\u5185\u7684\u6587\u4ef6\u4e5f\u4f1a\u88ab\u66f4\u65b0,\u8fd9\u662fkubelet\u7ec4\u4ef6\u5728\u5b9a\u671f\u7684\u7ef4\u62a4\u8fd9\u4e9bvolume<\/p>\n<p>\u8fd9\u4e2a\u66f4\u65b0\u53ef\u80fd\u4f1a\u6709\u4e00\u5b9a\u5ef6\u65f6,\u5728\u7f16\u5199\u5e94\u7528\u7a0b\u5e8f\u65f6\u5019,\u53d1\u8d77\u6570\u636e\u5e93\u8fde\u63a5\u7684\u4ee3\u7801\u5904\u7406\u597d<\/p>\n<p>\u7136\u540e\u5176\u6b21\u662fConfigMap,\u548cSecret\u7684\u533a\u522b\u5728\u4e8e,ConfigMap\u662f\u63d0\u4f9b\u4e0d\u9700\u8981\u8fdb\u884c\u52a0\u5bc6,\u5e94\u7528\u6240\u9700\u8981\u7684\u914d\u7f6e\u4fe1\u606f,ConfigMap\u7684\u7528\u6cd5\u548cSecret\u5b8c\u5168\u76f8\u540c,\u53ef\u4ee5\u4f7f\u7528kubectl create configmap \u4ece\u6587\u4ef6\u6216\u8005\u76ee\u5f55\u521b\u5efaConfigMap,\u53ef\u4ee5\u76f4\u63a5\u7f16\u5199\u5bf9\u5e94\u7684YAML\u6587\u4ef6<\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2aproperties\u7c7b\u578b\u7684\u5bf9\u8c61<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>cat .\/hbase-1.3.5\/conf\/log4j.properties\u00a0<\/p>\n<p># Licensed to the Apache Software Foundation (ASF) under one<\/p>\n<p># or more contributor license agreements.\u00a0 See the NOTICE file<\/p>\n<p># distributed with this work for additional information<\/p>\n<p># regarding copyright ownership.\u00a0 The ASF licenses this file<\/p>\n<p># to you under the Apache License, Version 2.0 (the<\/p>\n<p># &#8220;License&#8221;); you may not use this file except in compliance<\/p>\n<p># with the License.\u00a0 You may obtain a copy of the License at<\/p>\n<p>#<\/p>\n<p>#\u00a0 \u00a0 \u00a0<a href=\"http:\/\/www.apache.org\/licenses\/LICENSE-2.0\">http:\/\/www.apache.org\/licenses\/LICENSE-2.0<\/a><\/p>\n<p>#<\/p>\n<p># Unless required by applicable law or agreed to in writing, software<\/p>\n<p># distributed under the License is distributed on an &#8220;AS IS&#8221; BASIS,<\/p>\n<p># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<\/p>\n<p># See the License for the specific language governing permissions and<\/p>\n<p># limitations under the License.<\/p>\n<p># Define some default values that can be overridden by system properties<\/p>\n<p>hbase.root.logger=INFO,console<\/p>\n<p>hbase.security.logger=INFO,console<\/p>\n<p>hbase.log.dir=.<\/p>\n<p>hbase.log.file=hbase.log<\/p>\n<p># Define the root logger to the system property &#8220;hbase.root.logger&#8221;.<\/p>\n<p>log4j.rootLogger=${hbase.root.logger}<\/p>\n<p># Logging Threshold<\/p>\n<p>log4j.threshold=ALL<\/p>\n<p>#<\/p>\n<p># Daily Rolling File Appender<\/p>\n<p>#<\/p>\n<p>log4j.appender.DRFA=org.apache.log4j.DailyRollingFileAppender<\/p>\n<p>log4j.appender.DRFA.File=${hbase.log.dir}\/${hbase.log.file}<\/p>\n<p># Rollver at midnight<\/p>\n<p>log4j.appender.DRFA.DatePattern=.yyyy-MM-dd<\/p>\n<p># 30-day backup<\/p>\n<p>#log4j.appender.DRFA.MaxBackupIndex=30<\/p>\n<p>log4j.appender.DRFA.layout=org.apache.log4j.PatternLayout<\/p>\n<p># Pattern format: Date LogLevel LoggerName LogMessage<\/p>\n<p>log4j.appender.DRFA.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c{2}: %m%n<\/p>\n<p># Rolling File Appender properties<\/p>\n<p>hbase.log.maxfilesize=256MB<\/p>\n<p>hbase.log.maxbackupindex=20<\/p>\n<p># Rolling File Appender<\/p>\n<p>log4j.appender.RFA=org.apache.log4j.RollingFileAppender<\/p>\n<p>log4j.appender.RFA.File=${hbase.log.dir}\/${hbase.log.file}<\/p>\n<p>log4j.appender.RFA.MaxFileSize=${hbase.log.maxfilesize}<\/p>\n<p>log4j.appender.RFA.MaxBackupIndex=${hbase.log.maxbackupindex}<\/p>\n<p>log4j.appender.RFA.layout=org.apache.log4j.PatternLayout<\/p>\n<p>log4j.appender.RFA.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c{2}: %m%n<\/p>\n<p>#<\/p>\n<p># Security audit appender<\/p>\n<p>#<\/p>\n<p>hbase.security.log.file=SecurityAuth.audit<\/p>\n<p>hbase.security.log.maxfilesize=256MB<\/p>\n<p>hbase.security.log.maxbackupindex=20<\/p>\n<p>log4j.appender.RFAS=org.apache.log4j.RollingFileAppender<\/p>\n<p>log4j.appender.RFAS.File=${hbase.log.dir}\/${hbase.security.log.file}<\/p>\n<p>log4j.appender.RFAS.MaxFileSize=${hbase.security.log.maxfilesize}<\/p>\n<p>log4j.appender.RFAS.MaxBackupIndex=${hbase.security.log.maxbackupindex}<\/p>\n<p>log4j.appender.RFAS.layout=org.apache.log4j.PatternLayout<\/p>\n<p>log4j.appender.RFAS.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n<\/p>\n<p>log4j.category.SecurityLogger=${hbase.security.logger}<\/p>\n<p>log4j.additivity.SecurityLogger=false<\/p>\n<p>#log4j.logger.SecurityLogger.org.apache.hadoop.hbase.security.access.AccessController=TRACE<\/p>\n<p>#log4j.logger.SecurityLogger.org.apache.hadoop.hbase.security.visibility.VisibilityController=TRACE<\/p>\n<p>#<\/p>\n<p># Null Appender<\/p>\n<p>#<\/p>\n<p>log4j.appender.NullAppender=org.apache.log4j.varia.NullAppender<\/p>\n<p>#<\/p>\n<p># console<\/p>\n<p># Add &#8220;console&#8221; to rootlogger above if you want to use this<\/p>\n<p>#<\/p>\n<p>log4j.appender.console=org.apache.log4j.ConsoleAppender<\/p>\n<p>log4j.appender.console.target=System.err<\/p>\n<p>log4j.appender.console.layout=org.apache.log4j.PatternLayout<\/p>\n<p>log4j.appender.console.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c{2}: %m%n<\/p>\n<p>log4j.appender.asyncconsole=org.apache.hadoop.hbase.AsyncConsoleAppender<\/p>\n<p>log4j.appender.asyncconsole.target=System.err<\/p>\n<p># Custom Logging levels<\/p>\n<p>log4j.logger.org.apache.zookeeper=INFO<\/p>\n<p>#log4j.logger.org.apache.hadoop.fs.FSNamesystem=DEBUG<\/p>\n<p>log4j.logger.org.apache.hadoop.hbase=INFO<\/p>\n<p># Make these two classes INFO-level. Make them DEBUG to see more zk debug.<\/p>\n<p>log4j.logger.org.apache.hadoop.hbase.zookeeper.ZKUtil=INFO<\/p>\n<p>log4j.logger.org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher=INFO<\/p>\n<p>#log4j.logger.org.apache.hadoop.dfs=DEBUG<\/p>\n<p># Set this class to log INFO only otherwise its OTT<\/p>\n<p># Enable this to get detailed connection error\/retry logging.<\/p>\n<p># log4j.logger.org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation=TRACE<\/p>\n<p># Uncomment this line to enable tracing on _every_ RPC call (this can be a lot of output)<\/p>\n<p>#log4j.logger.org.apache.hadoop.ipc.HBaseServer.trace=DEBUG<\/p>\n<p># Uncomment the below if you want to remove logging of client region caching&#8217;<\/p>\n<p># and scan of hbase:meta messages<\/p>\n<p># log4j.logger.org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation=INFO<\/p>\n<p># log4j.logger.org.apache.hadoop.hbase.client.MetaScanner=INFO<\/p>\n<p># Prevent metrics subsystem start\/stop messages (HBASE-17722)<\/p>\n<p>log4j.logger.org.apache.hadoop.metrics2.impl.MetricsConfig=WARN<\/p>\n<p>log4j.logger.org.apache.hadoop.metrics2.impl.MetricsSinkAdapter=WARN<\/p>\n<p>log4j.logger.org.apache.hadoop.metrics2.impl.MetricsSystemImpl=WARN<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7136\u540e\u8fdb\u884c\u521b\u5efa<\/p>\n<p>kubectl create configmap hbasemap &#8211;from-file=.\/hbase-1.3.5\/conf\/log4j.properties\u00a0<\/p>\n<p>\u6700\u540e\u6211\u4eec\u5c1d\u8bd5\u83b7\u53d6\u5230\u8fd9\u4e2aConfigMap\u4e2d\u4fdd\u5b58\u7684\u6570\u636e<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>kubectl get configmap -o yaml<\/p>\n<p>apiVersion: v1<\/p>\n<p>items:<\/p>\n<p>&#8211; apiVersion: v1<\/p>\n<p>\u00a0 data:<\/p>\n<p>\u00a0 \u00a0 log4j.properties: |<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Licensed to the Apache Software Foundation (ASF) under one<\/p>\n<p>\u00a0 \u00a0 \u00a0 # or more contributor license agreements.\u00a0 See the NOTICE file<\/p>\n<p>\u00a0 \u00a0 \u00a0 # distributed with this work for additional information<\/p>\n<p>\u00a0 \u00a0 \u00a0 # regarding copyright ownership.\u00a0 The ASF licenses this file<\/p>\n<p>\u00a0 \u00a0 \u00a0 # to you under the Apache License, Version 2.0 (the<\/p>\n<p>\u00a0 \u00a0 \u00a0 # &#8220;License&#8221;); you may not use this file except in compliance<\/p>\n<p>\u00a0 \u00a0 \u00a0 # with the License.\u00a0 You may obtain a copy of the License at<\/p>\n<p>\u00a0 \u00a0 \u00a0 #<\/p>\n<p>\u00a0 \u00a0 \u00a0 #\u00a0 \u00a0 \u00a0<a href=\"http:\/\/www.apache.org\/licenses\/LICENSE-2.0\">http:\/\/www.apache.org\/licenses\/LICENSE-2.0<\/a><\/p>\n<p>\u00a0 \u00a0 \u00a0 #<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Unless required by applicable law or agreed to in writing, software<\/p>\n<p>\u00a0 \u00a0 \u00a0 # distributed under the License is distributed on an &#8220;AS IS&#8221; BASIS,<\/p>\n<p>\u00a0 \u00a0 \u00a0 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<\/p>\n<p>\u00a0 \u00a0 \u00a0 # See the License for the specific language governing permissions and<\/p>\n<p>\u00a0 \u00a0 \u00a0 # limitations under the License.<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Define some default values that can be overridden by system properties<\/p>\n<p>\u00a0 \u00a0 \u00a0 hbase.root.logger=INFO,console<\/p>\n<p>\u00a0 \u00a0 \u00a0 hbase.security.logger=INFO,console<\/p>\n<p>\u00a0 \u00a0 \u00a0 hbase.log.dir=.<\/p>\n<p>\u00a0 \u00a0 \u00a0 hbase.log.file=hbase.log<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Define the root logger to the system property &#8220;hbase.root.logger&#8221;.<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.rootLogger=${hbase.root.logger}<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Logging Threshold<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.threshold=ALL<\/p>\n<p>\u00a0 \u00a0 \u00a0 #<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Daily Rolling File Appender<\/p>\n<p>\u00a0 \u00a0 \u00a0 #<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.DRFA=org.apache.log4j.DailyRollingFileAppender<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.DRFA.File=${hbase.log.dir}\/${hbase.log.file}<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Rollver at midnight<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.DRFA.DatePattern=.yyyy-MM-dd<\/p>\n<p>\u00a0 \u00a0 \u00a0 # 30-day backup<\/p>\n<p>\u00a0 \u00a0 \u00a0 #log4j.appender.DRFA.MaxBackupIndex=30<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.DRFA.layout=org.apache.log4j.PatternLayout<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Pattern format: Date LogLevel LoggerName LogMessage<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.DRFA.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c{2}: %m%n<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Rolling File Appender properties<\/p>\n<p>\u00a0 \u00a0 \u00a0 hbase.log.maxfilesize=256MB<\/p>\n<p>\u00a0 \u00a0 \u00a0 hbase.log.maxbackupindex=20<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Rolling File Appender<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFA=org.apache.log4j.RollingFileAppender<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFA.File=${hbase.log.dir}\/${hbase.log.file}<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFA.MaxFileSize=${hbase.log.maxfilesize}<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFA.MaxBackupIndex=${hbase.log.maxbackupindex}<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFA.layout=org.apache.log4j.PatternLayout<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFA.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c{2}: %m%n<\/p>\n<p>\u00a0 \u00a0 \u00a0 #<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Security audit appender<\/p>\n<p>\u00a0 \u00a0 \u00a0 #<\/p>\n<p>\u00a0 \u00a0 \u00a0 hbase.security.log.file=SecurityAuth.audit<\/p>\n<p>\u00a0 \u00a0 \u00a0 hbase.security.log.maxfilesize=256MB<\/p>\n<p>\u00a0 \u00a0 \u00a0 hbase.security.log.maxbackupindex=20<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFAS=org.apache.log4j.RollingFileAppender<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFAS.File=${hbase.log.dir}\/${hbase.security.log.file}<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFAS.MaxFileSize=${hbase.security.log.maxfilesize}<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFAS.MaxBackupIndex=${hbase.security.log.maxbackupindex}<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFAS.layout=org.apache.log4j.PatternLayout<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.RFAS.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.category.SecurityLogger=${hbase.security.logger}<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.additivity.SecurityLogger=false<\/p>\n<p>\u00a0 \u00a0 \u00a0 #log4j.logger.SecurityLogger.org.apache.hadoop.hbase.security.access.AccessController=TRACE<\/p>\n<p>\u00a0 \u00a0 \u00a0 #log4j.logger.SecurityLogger.org.apache.hadoop.hbase.security.visibility.VisibilityController=TRACE<\/p>\n<p>\u00a0 \u00a0 \u00a0 #<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Null Appender<\/p>\n<p>\u00a0 \u00a0 \u00a0 #<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.NullAppender=org.apache.log4j.varia.NullAppender<\/p>\n<p>\u00a0 \u00a0 \u00a0 #<\/p>\n<p>\u00a0 \u00a0 \u00a0 # console<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Add &#8220;console&#8221; to rootlogger above if you want to use this<\/p>\n<p>\u00a0 \u00a0 \u00a0 #<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.console=org.apache.log4j.ConsoleAppender<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.console.target=System.err<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.console.layout=org.apache.log4j.PatternLayout<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.console.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c{2}: %m%n<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.asyncconsole=org.apache.hadoop.hbase.AsyncConsoleAppender<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.appender.asyncconsole.target=System.err<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Custom Logging levels<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.logger.org.apache.zookeeper=INFO<\/p>\n<p>\u00a0 \u00a0 \u00a0 #log4j.logger.org.apache.hadoop.fs.FSNamesystem=DEBUG<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.logger.org.apache.hadoop.hbase=INFO<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Make these two classes INFO-level. Make them DEBUG to see more zk debug.<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.logger.org.apache.hadoop.hbase.zookeeper.ZKUtil=INFO<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.logger.org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher=INFO<\/p>\n<p>\u00a0 \u00a0 \u00a0 #log4j.logger.org.apache.hadoop.dfs=DEBUG<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Set this class to log INFO only otherwise its OTT<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Enable this to get detailed connection error\/retry logging.<\/p>\n<p>\u00a0 \u00a0 \u00a0 # log4j.logger.org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation=TRACE<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Uncomment this line to enable tracing on _every_ RPC call (this can be a lot of output)<\/p>\n<p>\u00a0 \u00a0 \u00a0 #log4j.logger.org.apache.hadoop.ipc.HBaseServer.trace=DEBUG<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Uncomment the below if you want to remove logging of client region caching&#8217;<\/p>\n<p>\u00a0 \u00a0 \u00a0 # and scan of hbase:meta messages<\/p>\n<p>\u00a0 \u00a0 \u00a0 # log4j.logger.org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation=INFO<\/p>\n<p>\u00a0 \u00a0 \u00a0 # log4j.logger.org.apache.hadoop.hbase.client.MetaScanner=INFO<\/p>\n<p>\u00a0 \u00a0 \u00a0 # Prevent metrics subsystem start\/stop messages (HBASE-17722)<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.logger.org.apache.hadoop.metrics2.impl.MetricsConfig=WARN<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.logger.org.apache.hadoop.metrics2.impl.MetricsSinkAdapter=WARN<\/p>\n<p>\u00a0 \u00a0 \u00a0 log4j.logger.org.apache.hadoop.metrics2.impl.MetricsSystemImpl=WARN<\/p>\n<p>\u00a0 kind: ConfigMap<\/p>\n<p>\u00a0 metadata:<\/p>\n<p>\u00a0 \u00a0 creationTimestamp: 2020-09-07T06:57:16Z<\/p>\n<p>\u00a0 \u00a0 name: hbasemap<\/p>\n<p>\u00a0 \u00a0 namespace: default<\/p>\n<p>\u00a0 \u00a0 resourceVersion: &#8220;911931&#8221;<\/p>\n<p>\u00a0 \u00a0 selfLink: \/api\/v1\/namespaces\/default\/configmaps\/hbasemap<\/p>\n<p>\u00a0 \u00a0 uid: 5da36979-f0d7-11ea-9934-000c29945dd1<\/p>\n<p>kind: List<\/p>\n<p>metadata:<\/p>\n<p>\u00a0 resourceVersion: &#8220;&#8221;<\/p>\n<p>\u00a0 selfLink: &#8220;&#8221;<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u540e\u662fDownward API ,\u8ba9Pod\u5bb9\u5668\u80fd\u76f4\u63a5\u83b7\u53d6\u5230Pod Api\u5bf9\u8c61\u672c\u8eab\u7684\u4fe1\u606f<\/p>\n<p>\u6211\u4eec\u5c1d\u8bd5\u5b9a\u4e49\u4e00\u4e2aPod<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>apiVersion: v1<\/p>\n<p>kind: Pod<\/p>\n<p>metadata:<\/p>\n<p>\u00a0 name: test-downwardapi-volume<\/p>\n<p>\u00a0 labels:<\/p>\n<p>\u00a0 \u00a0 zone: us-est-coast<\/p>\n<p>\u00a0 \u00a0 cluster: test-cluster1<\/p>\n<p>\u00a0 \u00a0 rack: rack-22<\/p>\n<p>spec:<\/p>\n<p>\u00a0 containers:<\/p>\n<p>\u00a0 \u00a0 &#8211; name: client-container<\/p>\n<p>\u00a0 \u00a0 \u00a0 image: k8s.gcr.io\/busybox<\/p>\n<p>\u00a0 \u00a0 \u00a0 command: [&#8220;sh&#8221;, &#8220;-c&#8221;]<\/p>\n<p>\u00a0 \u00a0 \u00a0 args:<\/p>\n<p>\u00a0 \u00a0 \u00a0 &#8211; while true; do<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 if [[ -e \/etc\/podinfo\/labels ]]; then<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 echo -en &#8216;\\n\\n&#8217;; cat \/etc\/podinfo\/labels; fi;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 sleep 5;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 done;<\/p>\n<p>\u00a0 \u00a0 \u00a0 volumeMounts:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 &#8211; name: podinfo<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 mountPath: \/etc\/podinfo<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 readOnly: false<\/p>\n<p>\u00a0 volumes:<\/p>\n<p>\u00a0 \u00a0 &#8211; name: podinfo<\/p>\n<p>\u00a0 \u00a0 \u00a0 projected:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 sources:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 &#8211; downwardAPI:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 items:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 &#8211; path: &#8220;labels&#8221;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 fieldRef:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 fieldPath: metadata.labels<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5728\u8fd9\u4e2aPod\u7684Yaml\u6587\u4ef6\u4e2d,\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5bb9\u5668,\u58f0\u660e\u4e86\u4e00\u4e2aprojected\u7c7b\u578b\u7684volume,\u4e0d\u8fc7\u8fd9\u4e2avolume\u7684\u6570\u636e\u6e90,\u53d8\u6210\u4e86Downward API,\u8fd9\u4e2aDownward API Volume,\u58f0\u660e\u4e86\u8981\u66b4\u9732\u7684Pod\u7684metedata.labels\u4fe1\u606f\u7ed9\u5bb9\u5668<\/p>\n<p>\u901a\u8fc7\u8fd9\u6837\u7684\u58f0\u660e\u8ba9\u662f,\u6211\u4eec\u5c31\u80fd\u83b7\u53d6\u5230Labels\u4e2d\u7684\u5b57\u6bb5<\/p>\n<p>\u8fd9\u4e2a\u5bb9\u5668,\u4f1a\u4e0d\u65ad\u7684\u6253\u5370\u8fd9\u4e2alabels\u4e2d\u7684\u6307\u4ee4,\u6240\u4ee5,\u521b\u5efa\u4e86Pod\u4e4b\u540e,\u5c31\u53ef\u4ee5\u901a\u8fc7kubectl logs,\u67e5\u770b\u8fd9\u4e9bLabels\u5b57\u6bb5\u88ab\u6253\u5370\u51fa\u6765<\/p>\n<p>kubectl logs test-peojected-volume<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>1. \u4f7f\u7528fieldRef\u53ef\u4ee5\u58f0\u660e\u4f7f\u7528:<\/p>\n<p>spec.nodeName &#8211; \u5bbf\u4e3b\u673a\u540d\u5b57<\/p>\n<p>status.hostIP &#8211; \u5bbf\u4e3b\u673aIP<\/p>\n<p>metadata.name &#8211; Pod\u7684\u540d\u5b57<\/p>\n<p>metadata.namespace &#8211; Pod\u7684Namespace<\/p>\n<p>status.podIP &#8211; Pod\u7684IP<\/p>\n<p>spec.serviceAccountName &#8211; Pod\u7684Service Account\u7684\u540d\u5b57<\/p>\n<p>metadata.uid &#8211; Pod\u7684UID<\/p>\n<p>metadata.labels[&#8216;&lt;KEY&gt;&#8217;] &#8211; \u6307\u5b9a&lt;KEY&gt;\u7684Label\u503c<\/p>\n<p>metadata.annotations[&#8216;&lt;KEY&gt;&#8217;] &#8211; \u6307\u5b9a&lt;KEY&gt;\u7684Annotation\u503c<\/p>\n<p>metadata.labels &#8211; Pod\u7684\u6240\u6709Label<\/p>\n<p>metadata.annotations &#8211; Pod\u7684\u6240\u6709Annotation<\/p>\n<p>2. \u4f7f\u7528resourceFieldRef\u53ef\u4ee5\u58f0\u660e\u4f7f\u7528:<\/p>\n<p>\u5bb9\u5668\u7684CPU limit<\/p>\n<p>\u5bb9\u5668\u7684CPU request<\/p>\n<p>\u5bb9\u5668\u7684memory limit<\/p>\n<p>\u5bb9\u5668\u7684memory request<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd9\u4e2a\u5217\u8868\u8fd8\u5728\u4e0d\u65ad\u7684\u589e\u957f\u4e2d<\/p>\n<p>\u901a\u8fc7\u8fd9\u4e09\u4e2aVolume\u5b9a\u4e49\u7684\u4fe1\u606f,\u5176\u5b9e\u5927\u591a\u8fd8\u53ef\u4ee5\u901a\u8fc7\u73af\u5883\u53d8\u91cf\u7684\u65b9\u5f0f\u6765\u51fa\u73b0\u5728\u5bb9\u5668\u4e2d,\u4f46\u662f\u4e00\u822c\u901a\u8fc7\u73af\u5883\u53d8\u91cf\u7684\u8bbe\u7f6e\u7684,\u662f\u4e0d\u5177\u6709\u81ea\u52a8\u66f4\u65b0\u529f\u80fd\u7684,\u6240\u4ee5,\u8fd8\u662f\u5efa\u8bae\u901a\u8fc7Volume\u6587\u4ef6\u65b9\u5f0f\u6765\u83b7\u53d6\u4fe1\u606f<\/p>\n<p>\u5176\u6b21\u662fPod\u4e2d\u4e00\u4e2a\u5bc6\u5207\u76f8\u5173\u7684\u6982\u5ff5,Service Account<\/p>\n<p>\u8fd9\u4e2a\u662f\u7528\u4e8e\u4e00\u4e2a\u6982\u5ff5,\u5c31\u662f\u5728Pod\u4e2d\u63d0\u4f9bKubernetes\u7684Api<\/p>\n<p>Service Account\u7684\u4f5c\u7528,\u5c31\u662fKubernetes\u5185\u7f6e\u7684\u4e00\u79cd\u670d\u52a1\u8d26\u6237,\u662fKubernetes\u8fdb\u884c\u6743\u9650\u5206\u914d\u7684\u5bf9\u8c61,\u6bd4\u5982Service Account A,\u53ea\u88ab\u5141\u8bb8\u5bf9Kubernetes Api\u8fdb\u884c GET\u64cd\u4f5c, Service Account B,\u53ef\u4ee5\u8fdb\u884c\u6240\u6709\u64cd\u4f5c<\/p>\n<p>\u8fd9\u4e2aService Account,\u5176\u5b9e\u672c\u8d28\u4e0a,\u662f\u4e00\u4e2a\u7279\u6b8a\u7684Secret\u5bf9\u8c61,\u8fd9\u4e2a\u7279\u6b8a\u7684Secret\u5bf9\u8c61,\u53eb\u505aServiceAccountToken,<\/p>\n<p>\u6240\u4ee5\u8bf4,Kubernetes\u4e2d\u7684Projected Volume\u53ea\u6709\u4e09\u79cd,\u7b2c\u56db\u79cdServiceAccountToken,\u53ea\u662f\u4e00\u79cd\u7279\u6b8a\u7684Secret\u800c\u5df2<\/p>\n<p>\u5f53\u7136,\u4e3a\u4e86\u65b9\u4fbf\u4f7f\u7528,Kubernetes\u63d0\u4f9b\u4e86\u4e00\u4e2a\u9ed8\u8ba4\u7684\u670d\u52a1\u8d26\u6237,\u5728\u4efb\u4f55\u7684Pod\u4e2d,\u90fd\u53ef\u4ee5\u9ed8\u8ba4\u7684\u4f7f\u7528\u8fd9\u4e2aService Account<\/p>\n<p>\u8fd9\u662f\u5982\u4f55\u505a\u5230\u7684\u5462?<\/p>\n<p>\u9760\u7684\u8fd8\u662fProjected Volume\u673a\u5236<\/p>\n<p>\u5982\u679c\u67e5\u770b\u4efb\u4f55\u4e00\u4e2a\u8fd0\u884c\u5728K8S\u96c6\u7fa4\u4e2d\u7684Pod,\u90fd\u4f1a\u5df2\u7ecf\u6302\u8f7d\u4e86\u4e00\u4e2aVolume<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" width=\"399\" height=\"71\" class=\"wp-image-112\" src=\"\/wp-content\/uploads\/2021\/03\/unnamed-file-34.png\" alt=\"\u56fe\u7247\" srcset=\"http:\/\/xinblog.ltd\/wp-content\/uploads\/2021\/03\/unnamed-file-34.png 399w, http:\/\/xinblog.ltd\/wp-content\/uploads\/2021\/03\/unnamed-file-34-300x53.png 300w\" sizes=\"(max-width: 399px) 100vw, 399px\" \/><\/p>\n<p>\u8fd9\u4e2a\u9ed8\u8ba4\u7684Secret\u7c7b\u578b\u7684Volume,\u6b63\u662f\u9ed8\u8ba4Service Account\u5bf9\u5e94\u7684ServiceAccountToken,\u6240\u4ee5\u8bf4,Kubernetes\u5728\u6bcf\u4e2aPod\u90fd\u521b\u5efa\u7684\u65f6\u5019,\u518d\u5176spec.volumes\u90e8\u5206\u6dfb\u52a0\u4e0a\u4e86\u9ed8\u8ba4ServiceAccountToken\u7684\u5b9a\u4e49,\u6574\u4e2a\u8fc7\u7a0b\u5bf9\u7528\u6237\u6765\u8bf4\u662f\u5b8c\u5168\u900f\u660e\u7684<\/p>\n<p>\u4e00\u65e6Pod\u521b\u5efa\u5b8c\u6210,\u5bb9\u5668\u5185\u5c31\u4f1a\u76f4\u63a5\u4ece\u8fd9\u4e2a\u9ed8\u8ba4\u7684ServiceAccountToken\u4e2d\u83b7\u53d6\u5230\u6388\u6743\u4fe1\u606f<\/p>\n<p>\u8fd9\u4e2a\u6388\u6743\u4fe1\u606f\u7684\u8def\u5f84\u5728K8S\u4e2d\u662f\u56fa\u5b9a\u7684,\u5373\u4e3a\/var\/run\/secrets\/kubernetes\/serviceaccount<\/p>\n<p>\u5176\u4e2d\u7684\u5185\u5bb9\u5982\u4e0b<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" width=\"374\" height=\"49\" class=\"wp-image-113\" src=\"\/wp-content\/uploads\/2021\/03\/unnamed-file-35.png\" alt=\"\u56fe\u7247\" srcset=\"http:\/\/xinblog.ltd\/wp-content\/uploads\/2021\/03\/unnamed-file-35.png 374w, http:\/\/xinblog.ltd\/wp-content\/uploads\/2021\/03\/unnamed-file-35-300x39.png 300w\" sizes=\"(max-width: 374px) 100vw, 374px\" \/><\/p>\n<p>\u8fd9\u6837,\u53ea\u8981\u52a0\u8f7d\u8fd9\u4e9b\u6388\u6743\u6587\u4ef6,\u5c31\u53ef\u4ee5\u8bbf\u95ee\u64cd\u4f5cK8s\u7684API\u4e86,\u5982\u679c\u662f\u5b98\u65b9\u7684client\u5305,\u53ef\u4ee5\u81ea\u52a8\u52a0\u8f7d\u8fd9\u4e2a\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6,\u4e0d\u9700\u8981\u505a\u4efb\u4f55\u7684\u914d\u7f6e\u6216\u8005\u7f16\u7801\u64cd\u4f5c<\/p>\n<p>\u8fd9\u79cd\u5c06Kubernetes\u5ba2\u6237\u7aef\u4ee5\u5bb9\u5668\u7684\u65b9\u5f0f\u8fd0\u884c\u5728\u96c6\u7fa4,\u7136\u540e\u8fdb\u884c\u7ba1\u7406\u7684\u65b9\u5f0f,\u53eb\u505aInClusterConfig,\u4e5f\u662f\u6781\u597d\u7684\u5904\u7406\u65b9\u5f0f<\/p>\n<p>\u5f53\u7136,\u53ef\u4ee5\u9009\u62e9\u8bbe\u7f6e\u9ed8\u8ba4\u4e0d\u4e3aPod\u6302\u8f7d\u8fd9\u4e2aVolume<\/p>\n<p>\u5728Kubernetes\u4e2d,\u53ef\u4ee5\u4e3aPod\u4e2d\u7684\u5bb9\u5668\u5b9a\u4e49\u4e00\u4e2a\u5065\u5eb7\u68c0\u67e5\u7684\u63a2\u9488,\u8fd9\u4e2a\u673a\u5236\u53eb\u505aProbe,\u8fd9\u6837,kubelet\u4f1a\u6839\u636eProbe\u7684\u8fd4\u56de\u503c\u6765\u786e\u5b9a\u8fd9\u4e2a\u5bb9\u5668\u7684\u72b6\u6001,\u800c\u4e0d\u662f\u6839\u636eDocker\u72b6\u6001\u6765\u786e\u5b9a<\/p>\n<p>\u8fd9\u79cd\u673a\u5236,\u975e\u5e38\u9002\u5408\u751f\u4ea7\u73af\u5883\u53bb\u4fdd\u8bc1\u5065\u5eb7\u5b58\u6d3b<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>apiVersion: v1<\/p>\n<p>kind: Pod<\/p>\n<p>metadata:<\/p>\n<p>\u00a0 labels:<\/p>\n<p>\u00a0 \u00a0 test: liveness<\/p>\n<p>\u00a0 name: test-liveness-exec<\/p>\n<p>spec:<\/p>\n<p>\u00a0 containers:<\/p>\n<p>\u00a0 &#8211; name: liveness<\/p>\n<p>\u00a0 \u00a0 image: busybox<\/p>\n<p>\u00a0 \u00a0 args:<\/p>\n<p>\u00a0 \u00a0 &#8211; \/bin\/sh<\/p>\n<p>\u00a0 \u00a0 &#8211; -c<\/p>\n<p>\u00a0 \u00a0 &#8211; touch \/tmp\/healthy; sleep 30; rm -rf \/tmp\/healthy; sleep 600<\/p>\n<p>\u00a0 \u00a0 livenessProbe:<\/p>\n<p>\u00a0 \u00a0 \u00a0 exec:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 command:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 &#8211; cat<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 &#8211; \/tmp\/healthy<\/p>\n<p>\u00a0 \u00a0 \u00a0 initialDelaySeconds: 5<\/p>\n<p>\u00a0 \u00a0 \u00a0 periodSeconds: 5<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6211\u4eec\u5c1d\u8bd5\u5b9a\u4e49\u4e00\u4e2a\u5bb9\u5668,\u5728\u542f\u52a8\u4e4b\u540e\u505a\u7684\u7b2c\u4e00\u4ef6\u4e8b,\u5c31\u662f\u5728\/tmp\u76ee\u5f55\u4e0b\u521b\u5efa\u4e86\u4e00\u4e2ahealthy\u7684\u6587\u4ef6,\u4f5c\u4e3a\u81ea\u5df1\u6b63\u5e38\u8fd0\u884c\u7684\u6807\u5fd7,30s\u540e,\u8fdb\u884c\u5220\u9664<\/p>\n<p>\u7136\u540e,\u5728\u4e0b\u9762,\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2alivenessProbe\u5065\u5eb7\u68c0\u67e5,\u7c7b\u578b\u662fexec,\u5728\u542f\u52a8\u4e4b\u540e,\u5bb9\u5668\u5185\u6267\u884c\u4e00\u6761\u6267\u884c\u7684\u547d\u4ee4,\u6bd4\u5982 cat\u4e0a\u9762\u7684healthy\u6587\u4ef6,\u67e5\u770b\u8fd4\u56de\u503c\u662f\u5426\u4e3a0\u6765\u5224\u65ad\u662f\u5426\u662f\u5065\u5eb7\u7684,\u8fd9\u4e2a\u5065\u5eb7\u68c0\u67e5,\u5728\u5bb9\u5668\u542f\u52a85s\u540e\u6267\u884c,\u6bcf5\u79d2\u6267\u884c\u4e00\u6b21<\/p>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u8bd5\u9a8c\u4e0b\u8fd9\u4e2apod<\/p>\n<p>kubectl create -f test-liveness-exec.yaml<\/p>\n<p>\u7136\u540e\u67e5\u770b\u8fd9\u4e2aPod\u72b6\u6001<\/p>\n<p>$ kubectl get pod<\/p>\n<p>NAME\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 READY\u00a0 \u00a0 \u00a0STATUS\u00a0 \u00a0 RESTARTS\u00a0 \u00a0AGE<\/p>\n<p>test-liveness-exec\u00a0 \u00a01\/1\u00a0 \u00a0 \u00a0 \u00a0Running\u00a0 \u00a00\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 10s<\/p>\n<p>\u7136\u540e\u8fc7\u4e8630\u79d2,\u67e5\u770b\u8fd9\u4e2aPod\u7684Events<\/p>\n<p>$ kubectl describe pod test-liveness-exec<\/p>\n<p>\u4f1a\u53d1\u73b0\u5728Eevets\u4e2d\u62a5\u544a\u4e86\u4e00\u4e2a\u5f02\u5e38<\/p>\n<p>FirstSeen LastSeen\u00a0 \u00a0 Count\u00a0 \u00a0From\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 SubobjectPath\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Type\u00a0 \u00a0 \u00a0 \u00a0 Reason\u00a0 \u00a0 \u00a0 Message<\/p>\n<p>&#8212;&#8212;&#8212; &#8212;&#8212;&#8211;\u00a0 \u00a0 &#8212;&#8211;\u00a0 \u00a0&#8212;-\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 &#8212;&#8212;&#8212;&#8212;-\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0&#8212;&#8212;&#8211;\u00a0 \u00a0 &#8212;&#8212;\u00a0 \u00a0 \u00a0 &#8212;&#8212;-<\/p>\n<p>2s\u00a0 \u00a0 \u00a0 \u00a0 2s\u00a0 \u00a0 \u00a0 1\u00a0 \u00a0{kubelet worker0}\u00a0 \u00a0spec.containers{liveness}\u00a0 \u00a0Warning\u00a0 \u00a0 \u00a0Unhealthy\u00a0 \u00a0Liveness probe failed: cat: can&#8217;t open &#8216;\/tmp\/healthy&#8217;: No such file or directory<\/p>\n<p>\u4f46\u662f,\u8fd9\u4e2aPod\u72b6\u6001\u4ecd\u7136\u662fRunning<\/p>\n<p>\u8fd9\u662f\u56e0\u4e3a\u8fd9\u4e2a\u5f02\u5e38\u7684\u5bb9\u5668\u5df2\u7ecf\u88abKubernetes\u91cd\u542f\u4e86,\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d,Pod\u4fdd\u6301Running\u4e0d\u53d8<\/p>\n<p>\u800c\u8fd9\u4e2a\u91cd\u542f,\u5b9e\u9645\u4e0a\u662f\u91cd\u65b0\u521b\u5efa\u4e86\u5bb9\u5668<\/p>\n<p>\u8fd9\u5c31\u662fKubernetes\u4e2d\u7684Pods\u6062\u590d\u673a\u5236,\u9ed8\u8ba4\u7684\u503c\u662fAlways,\u4e00\u65e6\u53d1\u751f\u4e86\u5f02\u5e38,\u5c31\u4e00\u5b9a\u4f1a\u88ab\u91cd\u65b0\u521b\u5efa<\/p>\n<p>Pod\u7684\u6062\u590d\u8fc7\u7a0b,\u6c38\u8fdc\u90fd\u5728\u5f53\u524d\u8282\u70b9\u4e0a,\u800c\u4e0d\u4f1a\u8dd1\u5230\u522b\u7684\u8282\u70b9\u4e0a,\u6240\u4ee5\u5f53\u8282\u70b9\u5b95\u673a\u4e86,\u4e5f\u4e0d\u4f1a\u4e3b\u52a8\u7684\u8fc1\u79fb\u5230\u522b\u7684\u8282\u70b9<\/p>\n<p>\u5982\u679c\u662f\u5e0c\u671b,\u53ef\u4ee5\u51fa\u73b0\u5728\u522b\u7684\u8282\u70b9\u4e0a,\u5c31\u9700\u8981\u4f7f\u7528\u4e00\u4e2aDeployment\u8fd9\u6837\u7684\u63a7\u5236\u5668<\/p>\n<p>\u800c\u4e14\u6062\u590d\u673a\u5236restartPolicy,\u9664\u4e86Always,\u8fd8\u6709OnFailure\u548cNever\u4e24\u79cd\u60c5\u51b5<\/p>\n<p>Always,\u5728\u4efb\u4f55\u7684\u60c5\u51b5\u4e0b,\u53ea\u8981\u5bb9\u5668\u4e0d\u518d\u8fd0\u884c,\u5c31\u81ea\u52a8\u91cd\u542f<\/p>\n<p>OnFailure,\u5728\u5bb9\u5668\u5f02\u5e38\u65f6\u5019\u624d\u4f1a\u81ea\u52a8\u91cd\u542f\u5bb9\u5668<\/p>\n<p>Never,\u4ece\u6765\u4e0d\u91cd\u542f\u5bb9\u5668<\/p>\n<p>\u603b\u7ed3\u4e0b\u6765,<\/p>\n<p>\u5bf9\u4e8ePod\u7684restartPolicy\u6307\u5b9a\u7684\u7b56\u7565\u5141\u8bb8\u91cd\u542f\u5f02\u5e38\u7684\u5bb9\u5668,\u90a3\u4e48\u8fd9\u4e2aPod\u5c31\u4f1a\u4e00\u76f4\u4fdd\u6301Running\u72b6\u6001,\u8fdb\u884c\u5bb9\u5668\u91cd\u542f,\u4e0d\u7136,Pod\u5c31\u4f1a\u8fdb\u5165Failed\u72b6\u6001<\/p>\n<p>\u5bf9\u4e8e\u591a\u4e2a\u5bb9\u5668\u7684Pod,\u53ea\u6709\u6240\u6709\u7684\u5bb9\u5668\u90fd\u8fdb\u5165\u4e86\u5f02\u5e38\u72b6\u6001\u540e,Pod\u624d\u4f1a\u8fdb\u5165Failed\u72b6\u6001,\u4e0d\u7136\u5c31\u662fRunning\u72b6\u6001,Pod\u7684Ready\u4f1a\u663e\u793a\u6b63\u5e38\u5bb9\u5668\u7684\u4e2a\u6570<\/p>\n<p>$ kubectl get pod test-liveness-exec<\/p>\n<p>NAME\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0READY\u00a0 \u00a0 \u00a0STATUS\u00a0 \u00a0 RESTARTS\u00a0 \u00a0AGE<\/p>\n<p>liveness-exec\u00a0 \u00a00\/1\u00a0 \u00a0 \u00a0 \u00a0Running\u00a0 \u00a01\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1m<\/p>\n<p>\u800c\u4e14,\u9664\u4e86\u5728\u5bb9\u5668\u5185\u6267\u884c\u547d\u4ee4\u5916,livenessProbe\u5b9a\u4e49\u53d1\u8d77HTTP\u6216\u8005TCP\u8bf7\u6c42,\u4f8b\u5982<\/p>\n<p>livenessProbe:<\/p>\n<p>\u00a0 \u00a0 \u00a0httpGet:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0path: \/healthz<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0port: 8080<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0httpHeaders:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0&#8211; name: X-Custom-Header<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0value: Awesome<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0initialDelaySeconds: 3<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0periodSeconds: 3<\/p>\n<p>\u6216\u8005<\/p>\n<p>\u00a0 \u00a0 livenessProbe:<\/p>\n<p>\u00a0 \u00a0 \u00a0 tcpSocket:<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 port: 8080<\/p>\n<p>\u00a0 \u00a0 \u00a0 initialDelaySeconds: 15<\/p>\n<p>\u00a0 \u00a0 \u00a0 periodSeconds: 20<\/p>\n<p>Pod\u53ef\u4ee5\u66b4\u9732\u4e00\u4e2a\u5065\u5eb7\u68c0\u67e5\u7684URL,\u6765\u68c0\u67e5\u5bf9\u5e94\u7684\u670d\u52a1\u72b6\u6001<\/p>\n<p>\u6700\u540e,\u8bf4\u4e00\u4e0bKubernetes\u7684\u9ed8\u8ba4\u6a21\u677f<\/p>\n<p>\u5bf9\u4e8eKuberenetes\u4e2d,\u6211\u4eec\u63d0\u4ea4\u4e86\u4e00\u4e2a\u57fa\u672c\u7684\u7b80\u5355\u7684Pod,\u7531K8s\u6765\u5bf9Pod\u52a0\u4e0a\u5bf9\u5e94\u7684\u5fc5\u8981\u4fe1\u606f,\u6bd4\u5982labels,annotations,volumes<\/p>\n<p>\u8fd9\u6837,\u5c31\u964d\u4f4e\u4e86Pod Yaml\u7684\u7f16\u5199\u95e8\u69db,\u8fd9\u4e2a\u673a\u5236\u53eb\u505aPodPreset<\/p>\n<p>\u6211\u4eec,\u76f4\u63a5\u770b\u4e00\u4e0bPodPreset\u5bf9\u8c61\u7684\u5b9a\u4e49,\u5c31\u662f\u5728\u5f00\u53d1\u4eba\u5458\u7f16\u5199\u7684Pod\u91cc\u8ffd\u52a0\u7684\u5b57\u6bb5,\u90fd\u53ef\u4ee5\u63d0\u524d\u5b9a\u4e49\u597d<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>apiVersion: settings.k8s.io\/v1alpha1<\/p>\n<p>kind: PodPreset<\/p>\n<p>metadata:<\/p>\n<p>\u00a0 name: allow-database<\/p>\n<p>spec:<\/p>\n<p>\u00a0 selector:<\/p>\n<p>\u00a0 \u00a0 matchLabels:<\/p>\n<p>\u00a0 \u00a0 \u00a0 role: frontend<\/p>\n<p>\u00a0 env:<\/p>\n<p>\u00a0 \u00a0 &#8211; name: DB_PORT<\/p>\n<p>\u00a0 \u00a0 \u00a0 value: &#8220;6379&#8221;<\/p>\n<p>\u00a0 volumeMounts:<\/p>\n<p>\u00a0 \u00a0 &#8211; mountPath: \/cache<\/p>\n<p>\u00a0 \u00a0 \u00a0 name: cache-volume<\/p>\n<p>\u00a0 volumes:<\/p>\n<p>\u00a0 \u00a0 &#8211; name: cache-volume<\/p>\n<p>\u00a0 \u00a0 \u00a0 emptyDir: {}<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5728\u8fd9\u4e2aPodPreset\u4e2d,\u9996\u5148\u662f\u4e00\u4e2aselector,\u610f\u5473\u7740\u8fd9\u4e2a\u540e\u9762\u8ffd\u52a0\u7684\u8bf7\u6c42,\u53ea\u4f1a\u4f5c\u7528\u4e8eselector\u5b9a\u4e49\u7684,\u5e26\u6709role:frontend\u6807\u7b7ePod\u5bf9\u8c61,\u9632\u6b62\u8bef\u4f24<\/p>\n<p>\u7136\u540e\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u7ec4Pod\u4e2d\u7684\u5b57\u6bb5,\u6765\u8fdb\u884c\u6302\u8f7d<\/p>\n<p>env\u5b9a\u4e49\u4e86\u73af\u5883\u53d8\u91cf<\/p>\n<p>volumeMounts\u5b9a\u4e49\u4e86\u5bb9\u5668volume\u7684\u6302\u8f7d\u76ee\u5f55<\/p>\n<p>volumes\u5b9a\u4e49\u4e86\u4e00\u4e2aemptyDir\u7684Volume<\/p>\n<p>\u8fd9\u6837\u6211\u4eec\u521b\u5efa\u8fd9\u4e2aPodPreset\u5bf9\u8c61<\/p>\n<p>kubectl create -f preset.yaml<\/p>\n<p>\u8fd9\u6837,\u540e\u9762\u5e26\u6709selector\u4e2d\u5339\u914d\u7684\u4e0a\u7684 role: frontend\u7684Pod\u5c31\u4f1a\u88ab\u4fee\u6539\u4e0a<\/p>\n<p>\u8981\u8bf4\u660e\u7684\u662f,Pod API\u5bf9\u8c61\u88ab\u521b\u5efa\u4e4b\u524d\u8ffd\u52a0\u5230\u8fd9\u4e2a\u5bf9\u8c61\u672c\u8eab\u4e0a,\u800c\u4e0d\u4f1a\u5f71\u54cd\u5230\u4efb\u4f55Pod\u7684\u63a7\u5236\u5668\u7684\u5b9a\u4e49<\/p>\n<p>\u6bd4\u5982\u63d0\u4ea4\u7684\u662f\u4e00\u4e2adeployment,\u90a3\u4e48\u8fd9\u4e2aDeployement\u672c\u8eab\u4e0d\u4f1a\u88abPodPresent\u6539\u53d8,\u88ab\u4fee\u6539\u7684\u662fDeployment\u521b\u5efa\u51fa\u6765\u7684\u6240\u6709Pod<\/p>\n<p>\u800c\u4e14,\u5982\u679c\u5b9a\u4e49\u4e86\u591a\u4e2a\u540c\u65f6\u4f5c\u7528\u4e8e\u540c\u4e00\u4e2aPod\u5bf9\u8c61\u7684\u591a\u4e2apodPresent,\u4f1a\u53d1\u751f\u4ec0\u4e48?<\/p>\n<p>\u4f1a\u8fdb\u884c\u5408\u5e76\u591a\u4e2aPodPresent\u505a\u7684\u4fee\u6539,\u4f46\u662f\u4fee\u6539\u6709\u51b2\u7a81\u7684\u8bdd,\u51b2\u7a81\u5b57\u6bb5\u4e0d\u4f1a\u88ab\u4fee\u6539<\/p>\n<p>\u672c\u7ae0\u603b\u7ed3\u4e00\u4e0b<\/p>\n<p>\u6211\u4eec\u8bf4\u4e86Pod\u5bf9\u8c61\u4e2d\u7684\u7279\u6b8a\u5bf9\u8c61,\u548c\u4e00\u4e9b\u5173\u4e8e\u9ed8\u8ba4Pod\u7684\u8bbe\u7f6e<\/p>\n<p>\u5728\u6b64\u8fc7\u7a0b\u4e2d<\/p>\n<p>\u6211\u4eec\u5b66\u4e60\u4e86Secret\u5bf9\u8c61\u4fdd\u5b58\u5e94\u7528\u7684\u5bc6\u7801,\u4fdd\u5b58\u914d\u7f6e\u4fe1\u606f\u7684\u662fConfigMap\u5bf9\u8c61<\/p>\n<p>\u6700\u540e\u662f\u81ea\u52a8\u586b\u5145\u7684PodPreset\u5bf9Pod\u8fdb\u884c\u6279\u91cf\u5316,\u81ea\u52a8\u5316\u4fee\u6539\u7684\u5de5\u5177\u5bf9\u8c61<\/p>\n<p>\u601d\u8003\u9898:<\/p>\n<p>\u5728\u6ca1\u6709Kubernetes\u7684\u65f6\u5019,\u662f\u901a\u8fc7\u4ec0\u4e48\u65b9\u5f0f\u8fdb\u884c\u7684\u5065\u5eb7\u68c0\u67e5\u7684,Kubernetes\u7684livenessProbe\u662f\u5426\u8db3\u591f\u4e86<\/p>\n<p>\u4e4b\u524d\u5229\u7528shell\u811a\u672c\u6765\u8fdb\u884c\u8fc7\u63a2\u6d4b,\u4e5f\u662f\u5229\u7528\u7684\u5065\u5eb7\u76d1\u6d4b\u63a5\u53e3,\u4e00\u65e6\u8fd4\u56de\u503c\u4e0d\u662f200,\u76f4\u63a5\u6740\u6b7b\u8fdb\u7a0b,\u7136\u540ejava -jar\u547d\u4ee4\u5c1d\u8bd5\u91cd\u542f<\/p>\n<p>probe\u539f\u7406\u662fsidecar\u5bb9\u5668\u6765\u5b9e\u73b0\u7684<\/p>\n<p>\u4e0d\u662f\u7684,\u662f\u4f7f\u7528\u7684exec<\/p>\n<p>\u800c\u4e14Deployment\u4e2d,\u5176\u91cd\u542f\u7b56\u7565\u4e00\u76f4\u662falways\u7684<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5728Kubernetes\u4e2d,Po [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts\/110"}],"collection":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=110"}],"version-history":[{"count":0,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts\/110\/revisions"}],"wp:attachment":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=110"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}