Sonatype Nexus高级配置

Sonatype Nexus的安装配置参见:CentOS系统中安装Nexus并导入已有的构件库。Nexus内置了Jetty容器,${NEXUS_HOME}/bin/jsw目录下包含了各个操作系统的启动脚本。当然,如果你不喜欢内置的Jetty容器,也可以下载Nexus的war包,部署在tomcat等容器中。

安装部署后,比较重要的是能够对其进行深入的管理和配置,本文将介绍一些关于Sonatype Nexus的高级配置技巧,方便您进行配置管理。

1、使用Maven上传组件注意事项

  • host类型的仓库才允许上传组件
  • 仓库需要开启允许上传功能,配置选项中的Deployment Policy选择“Allow Redeploy”,见下图Sonatype Nexus高级配置
  • Nexus用户必须具有“Artifact Upload”的权限,Nexus内置了一些角色,比如“Nexus Deployment Role”,就可以上传组件
  • Maven主配置文件中需要配置用户信息及上传的仓库信息,配置示例如下:
  • <server>
    
        <id>thirdparty</id>
    
        <username>deployment</username>
    
        <password>password</password>
    
    </server>

2、修改监听端口

默认情况下,Nexus监听端口8081。可以通过以下方法更改这个端口。

  • 停止Nexus
  • 编辑${NEXUS_HOME}/conf/plexus.properties文件,修改applicationPort的值
  • 重启Nexus。

3、使Nexus支持其它格式的包

Nexus默认支持jar、war、pom、ejb、ear、rar、par等类型的包,如果希望能添加一些其它类型的包,可以配置如下:

在${nexus-work}/conf/packaging2extension-mapping.properties配置文件中增加配置:

my-custom-packaging=myextension

如果该配置文件不存在则手动创建该文件。

4、更新仓库索引

1)强制更新索引

nexus索引经常会出现与远程仓库索引不一致的情况,导致某些包不能正常下载,可以强制更新仓库索引,保持索引同步:

  • 以管理员身份登录
  • 右键点击仓库,选择Expire Cache

    Sonatype Nexus高级配置

  • 右键点击仓库,选择Update Index

    Sonatype Nexus高级配置

2)定时更新索引

  • 以管理员身份登录
  • 左侧导航栏选择Administration->Scheduled Tasks

    Sonatype Nexus高级配置

  • 点击add添加一个计划任务

    Sonatype Nexus高级配置

  • 任务类型选择:Update Repositories Index,Repository/Group选择要更新的仓库,Recurrence选择计划任务的周期类型

5、调试组件下载过程

如果Nexus本地索引中包含组件,但是却不能下载,可能的原因如下:

  • 包含组件的组件库不在group类型的组件库中
  • 路由规则封锁了组件的下载

Nexus提供了可以调试组件下载过程的方法,在组件的下载全路径后面增加参数“?describe”,示例如下:

http://192.168.120.202:8081/nexus/content/groups/public/org/codehaus/mojo/mojo-parent/30/mojo-parent-30.pom?describe

http://localhost:8081/nexus/content/groups/public/foo/bar/1.0/bar-1.0.jar?describe

Nexus将会以json的形式返回调试的输出结果,结果主要包括:

  • 组件的地址
  • 组件是否可以找到以及原因
  • 如果能找到组件,统计查找组件的过程

示例返回结果如下:

    {

      "data":{

        "requestUrl":"http://localhost:8081/nexus/content/groups/public/test/project/1.0/project-1.0.jar?describe",

        "processingTimeMillis":471,

        "request":{

          "requestUrl":"http://localhost:8081/nexus/content

     /groups/public/test/project/1.0/project-1.0.jar?describe",

          "requestPath":"/test/project/1.0/project-1.0.jar",

          "requestContext":[

            "request.received.timestamp=1276286536595",

            "request.address=0:0:0:0:0:0:0:1%0",

            "request.remoteOnly=false",

            "request.url=http://localhost:8081/nexus/content/groups/public/test/project/1.0/project-

     1.0.jar?describe",

            "request.localOnly=false",

            "request.appRootUrl=http://localhost:8081/nexus"

          ]

        },

        "response":{

          "responseType":"NOT_FOUND",

          "processedRepositoriesList":[

            "public",

            "snapshots",

            "thirdparty",

            "central",

            "java.net-m2",

            "java.net-m1-m2",

            "google",

            "apache-snapshots",

            "codehaus-snapshots"

          ],

          "appliedMappings":[

            "public repository applied [11b647d6117038d8=

     [type=EXCLUSION, groupId=public, patterns=[.*/project/.*], mappedRepositories=[releases]]]"

          ]

        }

      }

    }

注意查看其中的response节点,如上例中的"responseType":"NOT_FOUND"表示未找到组件,通过该方法可以详细排查组件不能下载的原因。

再提供一个pom类型的包“mojo-parent-30.pom”的调试示例

    {

        "data": {

            "requestUrl": "http://192.168.120.202:8081/nexus/content/groups/public/org/codehaus/mojo/mojo-parent/30/mojo-parent-30.pom?describe", 

            "processingTimeMillis": 1322, 

            "request": {

                "requestUrl": "http://192.168.120.202:8081/nexus/content/groups/public/org/codehaus/mojo/mojo-parent/30/mojo-parent-30.pom?describe", 

                "requestPath": "/org/codehaus/mojo/mojo-parent/30/mojo-parent-30.pom", 

                "requestContext": [

                    "request.remoteOnly=false", 

                    "request.localOnly=true"

                ]

            }, 

            "response": {

                "responseType": "FILE", 

                "responseActualClass": "org.sonatype.nexus.proxy.item.DefaultStorageFileItem", 

                "responsePath": "/groups/public/org/codehaus/mojo/mojo-parent/30/mojo-parent-30.pom", 

                "responseUid": "central:/org/codehaus/mojo/mojo-parent/30/mojo-parent-30.pom", 

                "originatingRepositoryId": "central", 

                "originatingRepositoryName": "Central", 

                "originatingRepositoryMainFacet": "org.sonatype.nexus.proxy.maven.MavenProxyRepository", 

                "processedRepositoriesList": [ ], 

                "properties": [

                    "created=1333560570000", 

                    "modified=1333560570000", 

                    "lastRequested=1375255131976", 

                    "remoteChecked=1375255131556", 

                    "remoteUrl=http://repo1.maven.org/maven2/org/codehaus/mojo/mojo-parent/30/mojo-parent-30.pom", 

                    "storedLocally=1375255131556", 

                    "isExpired=false", 

                    "readable=true", 

                    "writable=true", 

                    "virtual=false"

                ], 

                "attributes": [

                    "digest.md5=61a1f7765d45a51a6a7bb03bf410588f", 

                    "digest.sha1=be742febdaa3cc7a971dacdf8cdc7ebd94b5765b", 

                    "remote.sha1=be742febdaa3cc7a971dacdf8cdc7ebd94b5765b", 

                    "request.address=192.168.120.121", 

                    "request.user=anonymous", 

                    "storageItem-checkedRemotely=1375255131556", 

                    "storageItem-created=1333560570000", 

                    "storageItem-expired=false", 

                    "storageItem-generation=2", 

                    "storageItem-lastRequested=1375255131976", 

                    "storageItem-length=26627", 

                    "storageItem-modified=1333560570000", 

                    "storageItem-path=/groups/public/org/codehaus/mojo/mojo-parent/30/mojo-parent-30.pom", 

                    "storageItem-readable=true", 

                    "storageItem-remoteUrl=http://repo1.maven.org/maven2/org/codehaus/mojo/mojo-parent/30/mojo-parent-30.pom", 

                    "storageItem-repositoryId=central", 

                    "storageItem-storedLocally=1375255131556", 

                    "storageItem-writable=true"

                ]

            }

        }

    }

 

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