我遇到的困难是Logstash无法连接到启用了Xpack的Elasticsearch集群。
这是一个Elasticsearch集群，由至少四个node节点组成，它启用了xpack，我为这个集群的transport. ssl设置了一个新证书，并在配置文件中应用了它。

在上面的屏幕截图中，在集群中启用xpack之前，创建了名为"jsonfile-daemonset-syslog-2022.12.21"的索引。在集群中启用xpack之后，无法将新日志从logstash发送到集群，也无法创建新索引。

root@esnode-1:/etc/elasticsearch# cat /etc/hosts
127.0.0.1 localhost

172.16.20.66 esnode-1
172.16.20.60 esnode-2
172.16.20.105 esnode-3
172.16.100.28 esnode-4
172.16.20.87   logstash

root@esnode-1:/etc/elasticsearch# cat elasticsearch.yml |grep -v '^$' | grep -v '^#'
cluster.name: will-cluster1
node.name: esnode-1
path.data: /data/elasticsearch
path.logs: /var/log/elasticsearch
network.host: 172.16.20.66
http.port: 9200
discovery.seed_hosts: ["esnode-1","esnode-2","esnode-3","esnode-4"]
cluster.initial_master_nodes: ["esnode-1","esnode-2","esnode-3","esnode-4"]
xpack.security.enabled: true
xpack.security.enrollment.enabled: true
xpack.security.http.ssl:
  enabled: true
  keystore.path: certs/http.p12
xpack.security.transport.ssl:
  enabled: true
  verification_mode: certificate
  keystore.path: certs/elastic-certificates.p12
  truststore.path: certs/elastic-certificates.p12
http.host: 0.0.0.0

$/usr/share/搜索邮箱/搜索证书（没有设置密码）
$/usr/share/ElasticSearch/bin/ElasticSearch证书--ca弹性堆栈-ca.p12（设置密码：小行星123456

• • 注：**

用户：弹性
请输入密码：
用户：kibana_系统
请输入密码：
用户：日志存储系统
请输入密码：

root@esnode-1:/etc/elasticsearch# curl --cacert /etc/elasticsearch/certs/http_ca.crt -u elastic  https://localhost:9200
Enter host password for user 'elastic':
{
  "name" : "esnode-1",
  "cluster_name" : "will-cluster1",
  "cluster_uuid" : "5aT8AVA5STity523pJhvGQ",
  "version" : {
    "number" : "8.5.3",
    "build_flavor" : "default",
    "build_type" : "deb",
    "build_hash" : "4ed5ee9afac63de92ec98f404ccbed7d3ba9584e",
    "build_date" : "2022-12-05T18:22:22.226119656Z",
    "build_snapshot" : false,
    "lucene_version" : "9.4.2",
    "minimum_wire_compatibility_version" : "7.17.0",
    "minimum_index_compatibility_version" : "7.0.0"
  },
  "tagline" : "You Know, for Search"
}

 root@logstash:/etc/logstash# cat /etc/logstash/logstash.yml |grep -v '^$' | grep -v '^#'
        path.data: /var/lib/logstash
        path.logs: /var/log/logstash
 root@logstash:/etc/logstash#
 root@logstash:/etc/logstash# cat /etc/logstash/conf.d/logsatsh-daemonset-jsonfile-kafka-to-es.conf 
    input {
      kafka {
        bootstrap_servers => "172.16.1.67:9092,172.16.1.37:9092,172.16.1.203:9092"
        topics => ["jsonfile-log-topic"]
        codec => "json"
      }
    }
    
    output {
      stdout { codec => rubydebug }
    }
    
    
    output {
      #if [fields][type] == "app1-access-log" {
      if [type] == "jsonfile-daemonset-applog" {
        elasticsearch {
          hosts => ["https://172.16.20.66:9200","https://172.16.20.60:9200","https://172.16.20.105:9200","https://172.16.100.28:9200"]
          index => "jsonfile-daemonset-applog-%{+YYYY.MM.dd}"
          truststore => "/etc/logstash/elastic-certificates.p12"
          user => "logstash_system"
          password => "logstashXyZ235#"
        }}
    
      if [type] == "jsonfile-daemonset-syslog" {
        elasticsearch {
          hosts => ["https://172.16.20.66:9200","https://172.16.20.60:9200","https://172.16.20.105:9200","https://172.16.100.28:9200"]
          index => "jsonfile-daemonset-syslog-%{+YYYY.MM.dd}"
          truststore => "/etc/logstash/elastic-certificates.p12"
          user => "logstash_system"
          password => "logstashXyZ235#"
        }}
    
    }

启动logstash的错误消息如下所示：

root@logstash:/etc/logstash/conf.d# /usr/share/logstash/bin/logstash  -f /etc/logstash/conf.d/logsatsh-daemonset-jsonfile-kafka-to-es.conf --path.settings=/etc/logstash
Using bundled JDK: /usr/share/logstash/jdk
Sending Logstash logs to /var/log/logstash which is now configured via log4j2.properties
[2022-12-24T12:09:04,135][INFO ][logstash.runner          ] Log4j configuration path used is: /etc/logstash/log4j2.properties
[2022-12-24T12:09:04,143][INFO ][logstash.runner          ] Starting Logstash {"logstash.version"=>"8.5.3", "jruby.version"=>"jruby 9.3.9.0 (2.6.8) 2022-10-24 537cd1f8bc OpenJDK 64-Bit Server VM 17.0.5+8 on 17.0.5+8 +indy +jit [x86_64-linux]"}
[2022-12-24T12:09:04,152][INFO ][logstash.runner          ] JVM bootstrap flags: [-Xms1g, -Xmx1g, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djruby.compile.invokedynamic=true, -Djruby.jit.threshold=0, -XX:+HeapDumpOnOutOfMemoryError, -Djava.security.egd=file:/dev/urandom, -Dlog4j2.isThreadContextMapInheritable=true, -Djruby.regexp.interruptible=true, -Djdk.io.File.enableADS=true, --add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED, --add-opens=java.base/java.security=ALL-UNNAMED, --add-opens=java.base/java.io=ALL-UNNAMED, --add-opens=java.base/java.nio.channels=ALL-UNNAMED, --add-opens=java.base/sun.nio.ch=ALL-UNNAMED, --add-opens=java.management/sun.management=ALL-UNNAMED]
[2022-12-24T12:09:04,702][WARN ][logstash.config.source.multilocal] Ignoring the 'pipelines.yml' file because modules or command line options are specified
[2022-12-24T12:09:06,947][ERROR][logstash.agent           ] Failed to execute action {:action=>LogStash::PipelineAction::Create/pipeline_id:main, :exception=>"Java::OrgLogstashSecretStore::SecretStoreException::LoadException", :message=>"Found a file at /etc/logstash/logstash.keystore, but it is not a valid Logstash keystore.", :backtrace=>["org.logstash.secret.store.backend.JavaKeyStore.load(JavaKeyStore.java:294)", "org.logstash.secret.store.backend.JavaKeyStore.load(JavaKeyStore.java:77)", "org.logstash.secret.store.SecretStoreFactory.doIt(SecretStoreFactory.java:129)", "org.logstash.secret.store.SecretStoreFactory.load(SecretStoreFactory.java:115)", "org.logstash.secret.store.SecretStoreExt.getIfExists(SecretStoreExt.java:60)", "org.logstash.execution.AbstractPipelineExt.getSecretStore(AbstractPipelineExt.java:582)", "org.logstash.execution.AbstractPipelineExt.initialize(AbstractPipelineExt.java:181)", "org.logstash.execution.JavaBasePipelineExt.initialize(JavaBasePipelineExt.java:72)", "org.logstash.execution.JavaBasePipelineExt$INVOKER$i$1$0$initialize.call(JavaBasePipelineExt$INVOKER$i$1$0$initialize.gen)", "org.jruby.internal.runtime.methods.JavaMethod$JavaMethodN.call(JavaMethod.java:846)", "org.jruby.ir.runtime.IRRuntimeHelpers.instanceSuper(IRRuntimeHelpers.java:1229)", "org.jruby.ir.runtime.IRRuntimeHelpers.instanceSuperSplatArgs(IRRuntimeHelpers.java:1202)", "org.jruby.ir.targets.indy.InstanceSuperInvokeSite.invoke(InstanceSuperInvokeSite.java:29)", "usr.share.logstash.logstash_minus_core.lib.logstash.java_pipeline.RUBY$method$initialize$0(/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:48)", "org.jruby.internal.runtime.methods.CompiledIRMethod.call(CompiledIRMethod.java:139)", "org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:112)", "org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:329)", "org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:87)", "org.jruby.RubyClass.newInstance(RubyClass.java:911)", "org.jruby.RubyClass$INVOKER$i$newInstance.call(RubyClass$INVOKER$i$newInstance.gen)", "org.jruby.ir.targets.indy.InvokeSite.invoke(InvokeSite.java:208)", "usr.share.logstash.logstash_minus_core.lib.logstash.pipeline_action.create.RUBY$method$execute$0(/usr/share/logstash/logstash-core/lib/logstash/pipeline_action/create.rb:50)", "usr.share.logstash.logstash_minus_core.lib.logstash.pipeline_action.create.RUBY$method$execute$0$__VARARGS__(/usr/share/logstash/logstash-core/lib/logstash/pipeline_action/create.rb:49)", "org.jruby.internal.runtime.methods.CompiledIRMethod.call(CompiledIRMethod.java:139)", "org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:112)", "org.jruby.ir.targets.indy.InvokeSite.invoke(InvokeSite.java:208)", "usr.share.logstash.logstash_minus_core.lib.logstash.agent.RUBY$block$converge_state$2(/usr/share/logstash/logstash-core/lib/logstash/agent.rb:386)", "org.jruby.runtime.CompiledIRBlockBody.callDirect(CompiledIRBlockBody.java:141)", "org.jruby.runtime.IRBlockBody.call(IRBlockBody.java:64)", "org.jruby.runtime.IRBlockBody.call(IRBlockBody.java:58)", "org.jruby.runtime.Block.call(Block.java:143)", "org.jruby.RubyProc.call(RubyProc.java:309)", "org.jruby.internal.runtime.RubyRunnable.run(RubyRunnable.java:107)", "java.base/java.lang.Thread.run(Thread.java:833)"]}
[2022-12-24T12:09:07,088][INFO ][logstash.agent           ] Successfully started Logstash API endpoint {:port=>9600, :ssl_enabled=>false}
[2022-12-24T12:09:07,161][INFO ][logstash.runner          ] Logstash shut down.
[2022-12-24T12:09:07,178][FATAL][org.logstash.Logstash    ] Logstash stopped processing because of an error: (SystemExit) exit
org.jruby.exceptions.SystemExit: (SystemExit) exit
    at org.jruby.RubyKernel.exit(org/jruby/RubyKernel.java:790) ~[jruby.jar:?]
    at org.jruby.RubyKernel.exit(org/jruby/RubyKernel.java:753) ~[jruby.jar:?]
    at usr.share.logstash.lib.bootstrap.environment.<main>(/usr/share/logstash/lib/bootstrap/environment.rb:91) ~[?:?]