上文宜人贷蜂巢API网关技术解密之Netty使用实践提到了,API网关“承外对内”,将外部请求,转发到内部各个抓取服务。在网关中,不只能够作鉴权、加解密、路由、限流功能;若是想了解各服务接口的调用次数、调用时间、成功次数、失败次数等接口相关的统计,均可以网关中埋点,采集相关信息,经过logstash放入elasticsearch(简称es),在kibana中或经过es的http请求得到各服务接口的统计信息。php
前段时间有一个需求,咱们的es须要做为一个服务提供出来。考虑到es内保存着敏感数据,须要对es添加权限管理功能。搜寻es权限管理,大概有三套方案:css
考虑到X-Pack Security是收费软件,自开发一个权限管理模块成本比较高,最后选用了Search Guard的社区版本,其支持的功能已经知足当前需求。
java
ps -ef | grep elasticsearch | grep -v grep |
awk {'print $2'} | xargs kill -9node
/opt/soft/elasticsearch-5.5.1-guard/bin/
elasticsearch-plugin install -b
com.floragunn:search-guard-5:5.5.1-14linux
若是线上服务器不能访问外网,能够事先下载对应版本的 Search Guard,再以本地模式安装nginx
/opt/soft/elasticsearch-5.5.1-guard/bin/
elasticsearch-plugin install -b
file:///opt/soft/search-guard-5-5.5.1-15.zipgit
若是在测试环境安装es,可使用软件自带的脚本,生成CA及相应证书,并自动配置了esgithub
sh /opt/soft/elasticsearch-5.5.1-guard/plugins/search-guard-5/tools/install_demo_configuration.shswift
但以上方式不适用于线上环境,咱们的es但愿在线上环境能提供权限访问控制,因此采用了search-guard-ssl生成线上证书后端
git clone https://github.com/floragunncom/search-guard-ssl.git
生成证书,能够参考官方文档详细说明复制代码
example-pki-scripts/etc/root-ca.conf
example-pki-scripts/etc/signing-ca.conf
sh ./example.sh
cluster.name: honeycomb-es-guard-5.5.1# node 1 to 5
node.name: node-1
path.data: /data01/elasticsearch-guard
path.logs: /opt/logs/elasticsearch-guard
network.host: 0.0.0.0
http.cors.enabled: true
http.cors.allow-origin: "*"
thread_pool.bulk.queue_size: 50
searchguard.ssl.transport.keystore_filepath: node-1-keystore.jks
searchguard.ssl.transport.keystore_password: node_es
searchguard.ssl.transport.truststore_filepath: truststore.jks
searchguard.ssl.transport.truststore_password: r_ca_honeycomb
searchguard.ssl.transport.enforce_hostname_verification: false
searchguard.ssl.transport.enable_openssl_if_available: true
searchguard.ssl.transport.resolve_hostname: false
searchguard.ssl.http.enabled: true
searchguard.ssl.http.keystore_filepath: node-1-keystore.jks
searchguard.ssl.http.keystore_password: node_es
searchguard.ssl.http.truststore_filepath: truststore.jks
searchguard.ssl.http.truststore_password: r_ca_honeycomb
searchguard.authcz.admin_dn:
- CN=*,OU=client,O=client,L=test, C=de
- CN=kirk,OU=client,O=client,L=test,C=DE
searchguard.ssl.http.clientauth_mode: NONE
复制代码
su elk
/opt/soft/elasticsearch-5.5.1-guard/bin/elasticsearch -d
<span style="font-family:monospace;font-size:14px;">/opt/soft/elasticsearch-5.5.1-guard/plugins/search-guard-5/tools/sgadmin.sh -cd /opt/soft/elasticsearch-5.5.1-guard/plugins/search-guard-5/sgconfig/ -cn honeycomb-es-guard-5.5.1 -ks /opt/soft/elasticsearch-5.5.1-guard/config/kirk-keystore.jks -kspass ki_ca_1 -ts /opt/soft/elasticsearch-5.5.1-guard/config/truststore.jks -tspass r_ca_honeycomb –nhnv</span>复制代码
curl -k -u admin:admin 'https://localhost:9200/_searchguard/authinfo?pretty'
es装上Search Guard后的ELK框架
/opt/soft/kibana-5.5.1-linux-x86_64-guard/bin/kibana-plugin install file:///opt/soft/searchguard-kibana-5.5.1-4.zip复制代码
server.port: 5601
server.host: "0.0.0.0"
elasticsearch.url: "https://localhost:9200"
kibana.index: ".kibana"
elasticsearch.username: "kibanaserver"
elasticsearch.password: "kibanaserver"
elasticsearch.ssl.verificationMode: none
/opt/soft/kibana-5.5.1-linux-x86_64-guard/bin/kibana &
logstash在按照官方文档配置,且咨询Search Guard官方后,并无安装成功;现列出操做过程及问题现象,若有哪位读者了解,还望不吝赐教
例如,hosts => "https://..."
logstash不须要验证es的证书,因此设置ssl_certificate_verification => false
若是进行证书验证,需配置CA路径及密码
output {
elasticsearch {
hosts => ["https://xx.xx.xx.32:9200"]
index => "%{log_project}-%{+YYYY-MM-dd}"
ssl => true
ssl_certificate_verification => false
#truststore => "/opt/soft/elasticsearch-5.5.1-guard/config/truststore.jks"
#truststore_password => r_ca_honeycomb
user => logstash
password => logstash
}
}复制代码
/opt/soft/logstash-2.4.1-guard/bin/logstash -f /opt/soft/logstash-2.4.1-guard/conf/honeycomb-logstash.conf
** WARNING ** Detected UNSAFE options in elasticsearch output configuration!
** WARNING ** You have enabled encryption but DISABLED certificate verification.
** WARNING ** To make sure your data is secure change :ssl_certificate_verification to true {:level=>:warn}
PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target {:class=>"Manticore::ClientProtocolException", :level=>:error}
Pipeline main started复制代码
Attempted to send a bulk request to Elasticsearch configured at '["https://xx.xx.xx.32:9200"]',
but an error occurred and it failed! Are you sure you can reach elasticsearch from this machine using the configuration provided?
{:error_message=>"PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target", :error_class=>"Manticore::ClientProtocolException", :backtrace=>["/opt/soft/logstash- 2.4.1-guard/vendor/bundle/jruby/1.9/gems/manticore-0.6.0-java/lib/manticore/response.rb:37:in `initialize'",
"org/jruby/RubyProc.java:281:in `call'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/manticore-0.6.0-java/lib/manticore/response.rb:79:in `call'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/manticore-0.6.0-java/lib/manticore/response.rb:256:in `call_once'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/manticore-0.6.0-java/lib/manticore/response.rb:153:in `code'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.1.0/lib/elasticsearch/transport/transport/http/manticore.rb:84:in `perform_request'",
"org/jruby/RubyProc.java:281:in `call'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.1.0/lib/elasticsearch/transport/transport/base.rb:257:in `perform_request'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.1.0/lib/elasticsearch/transport/transport/http/manticore.rb:67:in `perform_request'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.1.0/lib/elasticsearch/transport/client.rb:128:in `perform_request'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/elasticsearch-api-1.1.0/lib/elasticsearch/api/actions/bulk.rb:93:in `bulk'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:53:in `non_threadsafe_bulk'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'",
"org/jruby/ext/thread/Mutex.java:149:in `synchronize'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/common.rb:172:in `safe_bulk'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/common.rb:101:in `submit'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/common.rb:86:in `retrying_submit'", "/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/common.rb:29:in `multi_receive'", "org/jruby/RubyArray.java:1653:in `each_slice'", "/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.7.1-java/lib/logstash/outputs/elasticsearch/common.rb:28:in `multi_receive'", "/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-core-2.4.1-java/lib/logstash/output_delegator.rb:130:in `worker_multi_receive'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-core-2.4.1-java/lib/logstash/output_delegator.rb:114:in `multi_receive'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-core-2.4.1-java/lib/logstash/pipeline.rb:301:in `output_batch'",
"org/jruby/RubyHash.java:1342:in `each'", "/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-core-2.4.1-java/lib/logstash/pipeline.rb:301:in `output_batch'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-core-2.4.1-java/lib/logstash/pipeline.rb:232:in `worker_loop'",
"/opt/soft/logstash-2.4.1-guard/vendor/bundle/jruby/1.9/gems/logstash-core-2.4.1-java/lib/logstash/pipeline.rb:201:in `start_workers'"], :level=>:error}复制代码
看日志彷佛是目的不可达,但在logstash机器上,经过命令测试,是能够访问的
curl -k -u logstash:logstash 'xx.xx.xx.32:9200/_searchguard/authinfo?pretty'
另外es有打印错误日志
[2017-08-24T10:39:20,834][ERROR][c.f.s.h.SearchGuardHttpServerTransport] [node-2] SSL Problem Received fatal alert: certificate_unknown
javax.net.ssl.SSLException: Received fatal alert: certificate_unknown
at sun.security.ssl.Alerts.getSSLException(Alerts.java:208) ~[?:?]
at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1666) ~[?:?]
at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1634) ~[?:?]
at sun.security.ssl.SSLEngineImpl.recvAlert(SSLEngineImpl.java:1800) ~[?:?]
at sun.security.ssl.SSLEngineImpl.readRecord(SSLEngineImpl.java:1083) ~[?:?]
at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:907) ~[?:?]
at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:781) ~[?:?]
at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624) ~[?:1.8.0_131]
at io.netty.handler.ssl.SslHandler$SslEngineType$3.unwrap(SslHandler.java:254) ~[netty-handler-4.1.11.Final.jar:4.1.11.Final]
at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1156) ~[netty-handler-4.1.11.Final.jar:4.1.11.Final]
at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1078) ~[netty-handler-4.1.11.Final.jar:4.1.11.Final]
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:489) ~[netty-codec-4.1.11.Final.jar:4.1.11.Final]
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:428) ~[netty-codec-4.1.11.Final.jar:4.1.11.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265) ~[netty-codec-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:544) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:498) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) [netty-transport-4.1.11.Final.jar:4.1.11.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-common-4.1.11.Final.jar:4.1.11.Final]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]
[2017-08-24T10:39:21,663][ERROR][c.f.s.h.SearchGuardHttpServerTransport] [node-2] SSL Problem Received fatal alert: certificate_unknown
javax.net.ssl.SSLException: Received fatal alert: certificate_unknown
at sun.security.ssl.Alerts.getSSLException(Alerts.java:208) ~[?:?]
at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1666) ~[?:?]
at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1634) ~[?:?]
at sun.security.ssl.SSLEngineImpl.recvAlert(SSLEngineImpl.java:1800) ~[?:?]
at sun.security.ssl.SSLEngineImpl.readRecord(SSLEngineImpl.java:1083) ~[?:?]
at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:907) ~[?:?]
at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:781) ~[?:?]
at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624) ~[?:1.8.0_131]
at io.netty.handler.ssl.SslHandler$SslEngineType$3.unwrap(SslHandler.java:254) ~[netty-handler-4.1.11.Final.jar:4.1.11.Final]
at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1156) ~[netty-handler-4.1.11.Final.jar:4.1.11.Final]
at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1078) ~[netty-handler-4.1.11.Final.jar:4.1.11.Final]
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:489) ~[netty-codec-4.1.11.Final.jar:4.1.11.Final]
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:428) ~[netty-codec-4.1.11.Final.jar:4.1.11.Final]复制代码
es部分配置
searchguard.ssl.http.clientauth_mode: NONE
复制代码
虽然logstash与es通讯暂时没有成功,可是在尝试开通es权限的过程当中,也积累了些经验和成果
nginx能够处理来自外部的https请求,但目前不支持https代理,即nginx不能访问后端的https服务。若是仍然使用Search Guard,能够考虑使用四层负载均衡器lvs或者硬件负载均衡器,将请求透传给后端服务器;另外知乎文章上有推荐使用Squid。
做者:蜂巢团队
宜信技术学院